165 results on '"Stuart JJ"'
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2. Early or late pregnancy loss and development of clinical cardiovascular disease risk factors: a prospective cohort study.
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Horn, J, Tanz, LJ, Stuart, JJ, Markovitz, AR, Skurnik, G, Rimm, EB, Missmer, SA, Rich‐Edwards, JW, Tanz, L J, Stuart, J J, Markovitz, A R, Rimm, E B, Missmer, S A, and Rich-Edwards, J W
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MISCARRIAGE ,CARDIOVASCULAR diseases risk factors ,CARDIOVASCULAR diseases in pregnancy ,HYPERCHOLESTEREMIA ,STILLBIRTH ,HYPERTENSION epidemiology ,ABORTION statistics ,CONFIDENCE intervals ,GESTATIONAL age ,HYPERTENSION ,LONGITUDINAL method ,EVALUATION of medical care ,TYPE 2 diabetes ,PERINATAL death ,PREGNANCY ,RESEARCH funding ,PROPORTIONAL hazards models - Abstract
Objective: To assess the association between the outcome of a woman's first pregnancy and risk of clinical cardiovascular disease risk factors.Design: Prospective cohort study.Setting and Population: Nurses' Health Study II.Methods: Multivariable-adjusted Cox proportional hazards models were used to compute hazard ratios (HRs) and 95% confidence intervals (CIs) for the associations between first pregnancy outcome and hypertension, type 2 diabetes, and hypercholesterolemia.Main Outcome Measures: Hypertension, type 2 diabetes, and hypercholesterolemia.Results: Compared to women who reported a singleton live first birth, women with early spontaneous abortion (<12 weeks) had a greater rate of type 2 diabetes (HR: 1.20; 95% CI: 1.07-1.34) and hypercholesterolemia (HR: 1.06; 95% CI: 1.02-1.10), and a marginally increased rate of hypertension (HR: 1.05, 95% CI: 1.00-1.11). Late spontaneous abortion (12-19 weeks) was associated with an increased rate of type 2 diabetes (HR: 1.38; 95% CI: 1.14-1.65), hypercholesterolemia (HR: 1.11; 95% CI: 1.03-1.19), and hypertension (HR: 1.15; 95% CI: 1.05-1.25). The rates of type 2 diabetes (HR: 1.45; 95% CI: 1.13-1.87) and hypertension (HR: 1.15; 95% CI: 1.01-1.30) were higher in women who delivered stillbirth. In contrast, women whose first pregnancy ended in an induced abortion had lower rates of hypertension (HR: 0.87; 95% CI: 0.84-0.91) and type 2 diabetes (HR: 0.89; 95% CI: 0.79-0.99) than women with a singleton live birth.Conclusions: Several types of pregnancy loss were associated with an increased rate of hypertension, type 2 diabetes, and hypercholesterolemia, which may provide novel insight into the pathways through which pregnancy outcomes and CVD are linked.Tweetable Abstract: Pregnancy loss is associated with later maternal risk of hypertension, type 2 diabetes, and hypercholesterolemia. [ABSTRACT FROM AUTHOR]- Published
- 2019
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3. Treatment of poor risk acute leukemia with sequential high-dose ARA-C and asparaginase
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Capizzi, RL, Poole, M, Cooper, MR, Richards, F 2d, Stuart, JJ, Jackson, DV Jr, White, DR, Spurr, CL, Hopkins, JO, and Muss, HB
- Abstract
Resistance of leukemia cells to cytosine arabinoside (ARA-C) may be due to any one or combination of biochemical processes, which in certain instances may be substantially reversed by an appropriate increase in ARA-C dosage. Based on these and other laboratory observations indicating pharmacologic synergy between sequential high-dose ARA-C and asparaginase (HiDAC----ASNase), a therapeutic program was developed for the treatment of patients with acute nonlymphocytic leukemia (ANLL) refractory to conventional doses of ARA-C, as well as patients with high risk ANLL and advanced acute lymphocytic leukemia (ALL). Treatment consisted of 3-hr intravenous infusions of 3 g/sq m of ARA-C given at 12-hr intervals for 4 doses, followed by 6,000 IU/sq m ASNase given i.m. at hour 42. The same schedule was repeated on day 8. In 32 induction attempts, only 4 patients proved to be truly refractory, i.e., failed to achieve substantial leukemia cell cytoreduction. Complete remissions were achieved with HiDAC---- ASNase in 9 of 13 patients with refractory ANLL, 6 of 9 patients with antecedent hematologic disorders, and 3 of 10 patients with advanced ALL. These include 9 of 14 patients who had either failed induction or who had relapsed on active ARA-C therapy and 6 of 8 patients who had had no prior exposure to ARA-C. The median duration of unmaintained remission in ANLL was 5 mo. In a patient with central nervous system (CNS) leukemia, there was clearance of cerebral spinal fluid (CSF) blasts without intrathecal therapy, suggesting a role for HiDAC in CNS prophylaxis. In general, toxicity was tolerable and reversible. These data suggest that HiDAC----ASNase is an exceptionally effective and well tolerated regimen in leukemic patients with antecedent hematologic disorders and in those refractory to conventional doses of ARA-C.
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- 1984
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4. Ticarcillin-Induced Hemorrhage in a Patient With Thrombocytosis
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Stuart Jj
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Adult ,Male ,Severe bleeding ,medicine.medical_specialty ,Bleeding Time ,Hemorrhage ,Penicillins ,Gastroenterology ,Normal renal function ,Text mining ,Internal medicine ,polycyclic compounds ,medicine ,Humans ,Ticarcillin ,heterocyclic compounds ,Platelet ,Thrombocytosis ,business.industry ,organic chemicals ,General Medicine ,biochemical phenomena, metabolism, and nutrition ,Carbenicillin ,medicine.disease ,Template Bleeding Time ,bacteria ,business ,medicine.drug - Abstract
A patient with thrombocytosis, normal renal function, and severe ticarcillin-induced hemorrhage is described. Like carbenicillin, ticarcillin can cause severe bleeding in some individuals by creating a qualitative platelet defect. The template bleeding time is the most useful diagnostic test.
- Published
- 1980
5. Sexual orientation disparities in gestational diabetes and hypertensive disorders of pregnancy.
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Chakraborty P, Everett BG, Reynolds CA, Hoatson T, Stuart JJ, McKetta SC, Soled KRS, Huang AK, Chavarro JE, Eliassen AH, Obedin-Maliver J, Austin SB, Rich-Edwards JW, Haneuse S, and Charlton BM
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- Humans, Female, Pregnancy, Adult, United States epidemiology, Sexual Behavior statistics & numerical data, Pre-Eclampsia epidemiology, Health Status Disparities, Risk Factors, Diabetes, Gestational epidemiology, Hypertension, Pregnancy-Induced epidemiology, Sexual and Gender Minorities statistics & numerical data
- Abstract
Background: Sexual minority (SM) individuals (e.g., those with same-sex attractions/partners or who identify as lesbian/gay/bisexual) experience a host of physical and mental health disparities. However, little is known about sexual orientation-related disparities in gestational diabetes mellitus (GDM) and hypertensive disorders of pregnancy (HDP; gestational hypertension [gHTN] and preeclampsia)., Objective: To estimate disparities in GDM, gHTN and preeclampsia by sexual orientation., Methods: We used data from the Nurses' Health Study II-a cohort of nurses across the US enrolled in 1989 at 25-42 years of age-restricted to those with pregnancies ≥20 weeks gestation and non-missing sexual orientation data (63,518 participants; 146,079 pregnancies). Our primary outcomes were GDM, gHTN and preeclampsia, which participants reported for each of their pregnancies. Participants also reported their sexual orientation identity and same-sex attractions/partners. We compared the risk of each outcome in pregnancies among heterosexual participants with no same-sex experience (reference) to those among SM participants overall and within subgroups: (1) heterosexual with same-sex experience, (2) mostly heterosexual, (3) bisexual and (4) lesbian/gay participants. We used modified Poisson models to estimate risk ratios (RR) and 95% confidence intervals (CI), fit via weighted generalised estimating equations, to account for multiple pregnancies per person over time and informative cluster sizes., Results: The overall prevalence of each outcome was ≤5%. Mostly heterosexual participants had a 31% higher risk of gHTN (RR 1.31, 95% CI 1.03, 1.66), and heterosexual participants with same-sex experience had a 31% higher risk of GDM (RR 1.31, 95% CI 1.13, 1.50), compared to heterosexual participants with no same-sex experience. The magnitudes of the risk ratios were high among bisexual participants for gHTN and preeclampsia and among lesbian/gay participants for gHTN., Conclusions: Some SM groups may be disparately burdened by GDM and HDP. Elucidating modifiable mechanisms (e.g., structural barriers, discrimination) for reducing adverse pregnancy outcomes among SM populations is critical., (© 2024 John Wiley & Sons Ltd.)
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- 2024
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6. How Payers Can Improve Care After Adverse Pregnancy Outcomes.
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Garabedian LF, Pace LE, and Stuart JJ
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- Humans, Pregnancy, Female, Pregnancy Complications therapy, Quality Improvement, Pregnancy Outcome epidemiology
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- 2024
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7. Accuracy of Maternal Self-Report of Recent Preeclampsia Among Healthy Women.
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Stuart JJ, Skurnik G, Roche AT, Tsigas E, Rich-Edwards JW, and Seely EW
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- Humans, Female, Pregnancy, Adult, Surveys and Questionnaires, Reproducibility of Results, Pre-Eclampsia diagnosis, Self Report
- Abstract
Background: Preeclampsia history signals a higher risk for cardiovascular disease, but its value as a risk marker relies primarily on self-report. To identify the accuracy of maternal self-reports of recent preeclampsia, we conducted a validation study among women recruited to a web-based trial. Methods: Women with preeclampsia in the past 5 years were recruited to Heart Health 4 Moms. Preeclampsia was self-reported through an online recruitment questionnaire and affirmed via phone screen. Accuracy of maternal self-report was quantified using positive predictive value (PPV) versus medical record evidence of preeclampsia using three definitions: (1) documentation of clinician diagnosis, (2) American College of Obstetricians and Gynecologists (ACOG) 2002 diagnostic criteria (gestational hypertension and proteinuria), and (3) ACOG 2013 diagnostic criteria (gestational hypertension and proteinuria or systemic symptoms). Results: Complete medical records were received for 290 women who delivered from 2011 to 2016 and were predominantly non-Hispanic White (81.7%) with a mean age of 31.2 ± 4.8 years. Mean length of recall was 13.6 ± 14.7 months. The majority of women (92.1%) had medical record evidence of preeclampsia using ≥1 of the definitions. Maternal self-report of preeclampsia was validated for 88.3% based on clinician diagnosis, 59.0% with ACOG 2002, and 65.2% with ACOG 2013. Conclusions: In this validation study of U.S. women, the majority accurately self-reported their preeclampsia diagnosis based on medical record review. A higher proportion of self-reports validated by clinician diagnosis than ACOG criteria, suggesting women remember the diagnosis given by their provider and providers may not always follow or document criteria when making a diagnosis.
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- 2024
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8. Signs or symptoms of suspected preeclampsia - A retrospective national database study of prevalence, costs, and outcomes.
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Khosla K, Jin Y, Espinoza J, Kent M, Gencay M, Kunz LH, Mueller A, Xiao Y, Frank Peacock W, Neath SX, Stuart JJ, Woelkers D, Harris JM, and Rana S
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- Humans, Female, Pregnancy, Retrospective Studies, Adult, Prevalence, Young Adult, United States epidemiology, Health Care Costs statistics & numerical data, Pre-Eclampsia epidemiology, Pre-Eclampsia economics, Pre-Eclampsia diagnosis, Databases, Factual, Pregnancy Outcome epidemiology
- Abstract
Background: Most patients with signs or symptoms (s/s) of suspected preeclampsia are not diagnosed with preeclampsia. We sought to determine and compare the prevalence of s/s, pregnancy outcomes, and costs between patients with and without diagnosed preeclampsia., Methods: This retrospective cohort study analyzed a large insurance research database. Pregnancies with s/s of preeclampsia versus a confirmed preeclampsia diagnosis were identified using International Classification of Diseases codes. S/s include hypertension, proteinuria, headache, visual symptoms, edema, abdominal pain, and nausea/vomiting. Pregnancies were classed as 1) s/s of preeclampsia without a confirmed preeclampsia diagnosis (suspicion only), 2) s/s with a confirmed diagnosis (preeclampsia with suspicion), 3) diagnosed preeclampsia without s/s recorded (preeclampsia only), and 4) no s/s, nor preeclampsia diagnosis (control)., Results: Of 1,324,424 pregnancies, 29.2 % had ≥1 documented s/s of suspected preeclampsia, and 14.2 % received a preeclampsia diagnosis. Hypertension and headache were the most common s/s, leading 20.2 % and 9.2 % pregnancies developed to preeclampsia diagnosis, respectively. Preeclampsia, with or without suspicion, had the highest rates of hypertension-related severe maternal morbidity (HR [95 % CI]: 3.0 [2.7, 3.2] and 3.6 [3.3, 4.0], respectively) versus controls. A similar trend was seen in neonatal outcomes such as preterm delivery and low birth weight. Cases in which preeclampsia was suspected but not confirmed had the highest average total maternal care costs ($6096 [95 % CI: 602, 6170] over control)., Conclusion: There is a high prevalence but poor selectivity of traditional s/s of preeclampsia, highlighting a clinical need for improved screening method and cost-effectiveness disease management., Competing Interests: Declaration of competing interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: YJ and MG are employees of Roche Diagnostics and hold stocks. LK, JH and YX were employees of Roche Diagnostics at the time the study was conducted. S-XN has received support for travel and meeting attendance, and consulting fees, both from Roche Diagnostics. JJS has received payments from Roche Diagnostics as a consultant for the current project and as an advisory board member. SR reports serving as a consultant to Roche Diagnostics and ThermoFisher Scientific, and has received funding from Roche Diagnostics and Siemens for studies related to the use of angiogenic factors in pregnancy. AM has received statistical consulting fees from Roche Diagnostics. KK, MK and JE report no conflicts of interest. WFP reports research grants from Brainbox, and Quidel; serving as a consultant for Abbott, Brainbox, Instrument Labs, Janssen, Osler, Roche, Siemens, Spinchip, and Vifor; as well as having stock/ownership interests in AseptiScope Inc, Brainbox Inc, Braincheck Inc, Coagulo Inc, Comprehensive Research Associates LLC, Comprehensive Research Management Inc, Emergencies in Medicine LLC, Fast Inc, Forrest Devices, Ischemia DX LLC, Lucia Inc, Prevencio Inc, RCE Technologies, ROMTech, ScPharma, Trivirum Inc, and Upstream Inc. DW has received honoraria for scientific presentations from Roche Diagnostics, Inc., and Progenity, Inc., and consulting fees for advisory board attendance from Progenity, Inc., and Quidel, Inc., (Copyright © 2024 International Society for the Study of Hypertension in Pregnancy. Published by Elsevier B.V. All rights reserved.)
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- 2024
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9. Prepregnancy plant-based diets and risk of hypertensive disorders of pregnancy.
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Mitsunami M, Wang S, Soria-Contreras DC, Mínguez-Alarcón L, Ortiz-Panozo E, Stuart JJ, Souter I, Rich-Edwards JW, and Chavarro JE
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- Adult, Pregnancy, Female, Humans, Prospective Studies, Diet, Plant-Based, Diet, Hypertension, Pregnancy-Induced epidemiology, Pre-Eclampsia epidemiology
- Abstract
Background: Plant-based diets have been associated with a lower risk of cardiovascular disease in nonpregnant adults, but specific evidence for their effects on risk of hypertensive disorders of pregnancy is scarce., Objective: This study aimed to evaluate the prospective association between adherence to plant-based diets before pregnancy and the risk for hypertensive disorders of pregnancy. We hypothesized that women with higher adherence to plant-based diets would have a lower risk for hypertensive disorders of pregnancy., Study Design: We followed 11,459 parous women (16,780 singleton pregnancies) without chronic diseases, a history of preeclampsia, and cancers who participated in the Nurses' Health Study II (1991-2009), which was a prospective cohort study. Diet was assessed every 4 years using a validated food frequency questionnaire from which we calculated the plant-based diet index (higher score indicates higher adherence) to evaluate the health associations of plant-based diets among participants while accounting for the quality of plant-based foods. Participants self-reported hypertensive disorders of pregnancy, including preeclampsia and gestational hypertension. We estimated the relative risk of hypertensive disorders of pregnancy in relation to plant-based diet index adherence in quintiles using generalized estimating equations log-binomial regression while adjusting for potential confounders and accounting for repeated pregnancies for the same woman., Results: The mean (standard deviation) age at first in-study pregnancy was 35 (4) years. A total of 1033 cases of hypertensive disorders of pregnancy, including 482 cases of preeclampsia (2.9%) and 551 cases of gestational hypertension (3.3%) were reported. Women in the highest quintile of plant-based diet index were significantly associated with a lower risk for hypertensive disorders of pregnancy than women in the lowest quintile (relative risk, 0.76; 95% confidence interval, 0.62-0.93). There was an inverse dose-response relationship between plant-based diet index and risk for hypertensive disorders of pregnancy. The multivariable-adjusted relative risk (95% confidence interval) of hypertensive disorders of pregnancy for women in increasing quintiles of plant-based diet index were 1 (ref), 0.93 (0.78-1.12), 0.86 (0.72-1.03), 0.84 (0.69-1.03), and 0.76 (0.62-0.93) with a significant linear trend across quintiles (P trend=.005). This association was slightly stronger for gestational hypertension (relative risk, 0.77; 95% confidence interval, 0.60-0.99) than for preeclampsia (relative risk, 0.80; 95% confidence interval, 0.61-1.04). Mediation analysis suggested that body mass index evaluation for dietary assessment and pregnancy explained 39% (95% confidence interval, 15%-70%]) of the relation between plant-based diet index and hypertensive disorders of pregnancy and 48% (95% confidence interval, 12%-86%]) of the relation between plant-based diet index and gestational hypertension., Conclusion: Higher adherence to plant-based diets was associated with a lower risk of developing hypertensive disorders of pregnancy. Much of the benefit seems to be related to improved weight control., (Copyright © 2023 Elsevier Inc. All rights reserved.)
- Published
- 2024
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10. Validation of parental recall questionnaire to classify preterm delivery subtypes: Spontaneous preterm labour, preterm premature rupture of membranes and clinician-initiated preterm delivery.
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Rich-Edwards JW, Stuart JJ, Becene IA, Largier LF, Rexrode KM, Cantonwine DE, Carpenter MO, McElrath TF, and Gray KJ
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- Pregnancy, Infant, Newborn, Female, Humans, Parents, Massachusetts epidemiology, Premature Birth diagnosis, Premature Birth epidemiology, Fetal Membranes, Premature Rupture diagnosis
- Abstract
Background: Preterm delivery (PTD) includes three main presenting subtypes: spontaneous preterm labour (sPTL), preterm premature rupture of membranes (pPROM) and clinician-initiated preterm delivery (ciPTD). PTD subtype data are rarely available from birth registries and are onerous to derive from medical records., Objectives: To develop and test the validity of a questionnaire to classify PTD subtype based on birthing parent recall of labour and delivery events., Methods: The questionnaire was sent in 2022 to 581 patients with PTD history documented in the LIFECODES study, a hospital-based birth cohort in Boston, Massachusetts. Eighty-two respondents reported 94 PTDs that could be linked to medical records. Data on PTD subtype were extracted from medical records as the reference standard., Results: Medical records indicated 47 spontaneous (24 sPTL, 23 pPROM) and 47 ciPTD deliveries occurring a median eight years earlier. The sensitivity and specificity of the recall questionnaire were 88% (95% confidence interval: 68, 97%) and 89% (79, 95%) for sPTL; 96% (78, 100%) and 94% (86, 98%) for pPROM; and 83% (69, 92%) and 100% (92, 100%) for ciPTD, respectively. Greater time since pregnancy did not degrade the sensitivity or specificity of the parental recall questionnaire., Conclusions: Although derived from a modest sample, the moderate-to-high sensitivity and specificity of the parental recall questionnaire to classify sPTL, pPROM and ciPTD demonstrates its potential for large studies of PTD and for correction of misclassification bias. Future studies are required to test the questionnaire in a variety of populations., (© 2023 The Authors. Paediatric and Perinatal Epidemiology published by John Wiley & Sons Ltd.)
- Published
- 2023
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11. Hypertensive disorders of pregnancy and risk of asthma and chronic obstructive pulmonary disease: a prospective cohort study.
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Wang YX, Varraso R, Dumas O, Stuart JJ, Florio A, Wang L, Rich-Edwards JW, Camargo CA Jr, and Chavarro JE
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Background: Hypertensive disorders of pregnancy (HDPs) have been associated with respiratory dysfunction during pregnancy and postpartum. In this study, we explored the associations between HDPs (gestational hypertension and preeclampsia) and the risk of incident asthma and chronic obstructive pulmonary disease (COPD) during adulthood and the potential mediating role of chronic hypertension., Methods: We included parous nurses in the Nurses' Health Study II reporting a pregnancy lasting no less than 6 months. The associations between HDPs and asthma and COPD were estimated using Cox proportional hazards models with adjustment for confounders., Findings: We included 73,807 nurses [92.5% (68,246 of 73,807) White] in asthma analyses and 79,843 [92.4% (73,746 of 79,843) White] in COPD analyses, whose mean (SD, range) age, at baseline, were both 34.8 (4.7, 25.0-44.0) years. During 24 years of follow-up, we identified 2663 incident cases of asthma and 537 COPD. Compared with nurses without HDPs, nurses reporting HDPs had an increased HR for incident asthma and COPD of 1.22 (95% CI 1.10-1.36) and 1.39 (95% CI 1.11-1.74), respectively. The risk of asthma was similar when gestational hypertension and preeclampsia were assessed separately [HR = 1.25 (95% CI 1.08-1.43) and 1.24 (95% CI 1.11-1.38), respectively]. However, only nurses with preeclampsia had a higher risk of COPD (HR = 1.41, 95% CI 1.11-1.78). Mediation analyses estimated that chronic hypertension explained 18.6% (95% CI 8.9-35.0%) and 10.7% (95% CI 2.9-32.4%) of the associations between HDPs and asthma and COPD, respectively., Interpretation: HDPs may serve as useful markers of increased susceptibility to chronic respiratory diseases during adulthood., Funding: The National Institutes of Health grants., Competing Interests: JEC and CAC report financial support from the 10.13039/100000002National Institutes of Health, outside the submitted work. All other authors declare no competing interests., (© 2023 The Authors.)
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- 2023
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12. Novel Methods for Leveraging Large Cohort Studies for Qualitative and Mixed-Methods Research.
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Nguyen KTNH, Stuart JJ, Shah AH, Becene IA, West MG, Berrill J, Gelaye B, Borba CPC, and Rich-Edwards JW
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- Humans, Surveys and Questionnaires, Qualitative Research, Cohort Studies, Reproducibility of Results, Research Design
- Abstract
Qualitative research methods, while rising in popularity, are still a relatively underutilized tool in public health research. Usually reserved for small samples, qualitative research techniques have the potential to enhance insights gained from large questionnaires and cohort studies, both deepening the interpretation of quantitative data and generating novel hypotheses that might otherwise be missed by standard approaches; this is especially true where exposures and outcomes are new, understudied, or rapidly changing, as in a pandemic. However, methods for the conduct of qualitative research within large samples are underdeveloped. Here, we describe a novel method of applying qualitative research methods to free-text comments collected in a large epidemiologic questionnaire. Specifically, this method includes: 1) a hierarchical system of coding through content analysis; 2) a qualitative data management application; and 3) an adaptation of Cohen's κ and percent agreement statistics for use by a team of coders, applying multiple codes per record from a large codebook. The methods outlined in this paper may help direct future applications of qualitative and mixed methods within large cohort studies., (© The Author(s) 2023. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health.)
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- 2023
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13. Prepregnancy Migraine, Migraine Phenotype, and Risk of Adverse Pregnancy Outcomes.
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Purdue-Smithe AC, Stuart JJ, Farland LV, Kang JH, Harriott AM, Rich-Edwards JW, and Rexrode K
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- Pregnancy, Humans, Female, Pregnancy Outcome epidemiology, Prospective Studies, Birth Weight, Hypertension, Pregnancy-Induced epidemiology, Pre-Eclampsia epidemiology, Premature Birth epidemiology, Diabetes, Gestational epidemiology, Diabetes, Gestational prevention & control
- Abstract
Background and Objective: Migraine is a highly prevalent neurovascular disorder among reproductive-aged women. Whether migraine history and migraine phenotype might serve as clinically useful markers of obstetric risk is not clear. The primary objective of this study was to examine associations of prepregnancy migraine and migraine phenotype with risks of adverse pregnancy outcomes., Methods: We estimated associations of self-reported physician-diagnosed migraine and migraine phenotype with adverse pregnancy outcomes in the prospective Nurses' Health Study II (1989-2009). Log-binomial and log-Poisson models with generalized estimating equations were used to estimate relative risks (RRs) and 95% CIs for gestational diabetes mellitus (GDM), preeclampsia, gestational hypertension, preterm delivery, and low birthweight., Results: The analysis included 30,555 incident pregnancies after cohort enrollment among 19,694 participants without a history of cardiovascular disease, diabetes, or cancer. After adjusting for age, adiposity, and other health and behavioral factors, prepregnancy migraine (11%) was associated with higher risks of preterm delivery (RR = 1.17; 95% CI = 1.05-1.30), gestational hypertension (RR = 1.28; 95% CI = 1.11-1.48), and preeclampsia (RR = 1.40; 95% CI = 1.19-1.65) compared with no migraine. Migraine was not associated with low birthweight (RR = 0.99; 95% CI = 0.85-1.16) or GDM (RR = 1.05; 95% CI = 0.91-1.22). Risk of preeclampsia was somewhat higher among participants with migraine with aura (RR vs no migraine = 1.51; 95% CI = 1.22-1.88) than migraine without aura (RR vs no migraine = 1.30; 95% CI = 1.04-1.61; p- heterogeneity = 0.32), whereas other outcomes were similar by migraine phenotype. Participants with migraine who reported regular prepregnancy aspirin use had lower risks of preterm delivery (<2×/week RR = 1.24; 95% CI = 1.11-1.38; ≥2×/week RR = 0.55; 95% CI = 0.35-0.86; p -interaction < 0.01) and preeclampsia (<2×/week RR = 1.48; 95% CI = 1.25-1.75; ≥2×/week RR = 1.10; 95% CI = 0.62-1.96; p -interaction = 0.39); however, power for these stratified analyses was limited., Discussion: Migraine history, and to a lesser extent migraine phenotype, appear to be important considerations in obstetric risk assessment and management. Future research should determine whether aspirin prophylaxis may be beneficial for preventing adverse pregnancy outcomes among pregnant individuals with a history of migraine., (© 2023 American Academy of Neurology.)
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- 2023
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14. A qualitative analysis of psychosocial stressors and health impacts of the COVID-19 pandemic on frontline healthcare personnel in the United States.
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Shah AH, Becene IA, Nguyen KTNH, Stuart JJ, West MG, Berrill JES, Hankins J, Borba CPC, and Rich-Edwards JW
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There is a dearth of qualitative studies exploring the lived experiences of frontline healthcare personnel (HCP) during the coronavirus disease (COVID-19) pandemic. We examined workplace stressors, psychological manifestations of said stressors, and coping strategies reported through coded open-text responses from 1024 online surveys completed over two months by 923 HCP participating in three nationwide cohorts from Spring 2020. Our findings suggest that risk, job insecurity, frustration with hospital administration, inadequate access to personal protective equipment, and witnessing patient suffering and death contributed to deteriorating mental and physical health. Negative health impacts included the onset or exacerbation of anxiety, depression, and somatic symptoms, including weight fluctuation, fatigue, and migraines. Coping mechanisms included substance use and food consumption, meditation and wellness, fitness, socializing with loved ones, and religious activities. Insights garnered from participants' responses will enable more personalized and effective psychosocial crisis prevention and intervention for frontline HCP in future health crises., (© 2022 The Authors.)
- Published
- 2022
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15. Changes in Vascular Function from Preconception to Postpartum Among Mongolian Women.
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Enkhmaa D, Ganmaa D, Tanz LJ, Rich-Edwards JW, Stuart JJ, Enkhtur S, Gantsetseg G, Batkhishig B, Fitzmaurice G, Bayalag M, Nasantogtokh E, Bairey Merz CN, and Shufelt CL
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- Pregnancy, Female, Humans, Pulse Wave Analysis, Prospective Studies, Blood Pressure physiology, Postpartum Period, Pre-Eclampsia, Vascular Stiffness
- Abstract
Background: Pregnancy is associated with physiological changes to meet the metabolic demands of the growing fetus. To understand adverse pregnancy outcomes it is important to establish vascular changes throughout pregnancy. We examined longitudinal changes in vascular measurements from prepregnancy through postpartum. Materials and Methods: Seventy women planning to conceive in Ulaanbaatar, Mongolia enrolled in this prospective study. Within 6 months, 44 (63%) had conceived; of which 36 (82%) delivered. Ten (28%) developed complex pregnancies and were analyzed separately. Vascular measures included central systolic blood pressure (cSBP), central diastolic blood pressure (cDBP), augmentation index corrected for heart rate of 75 beats/minute (AIx-75), and pulse wave velocity (PWV). Measurements were performed at prepregnancy, second trimester (22-24 weeks), third trimester (34-36 weeks), and 2 months postpartum. Missing values ( n = 0-6 per time period) were replaced by multiple imputation. A repeated measures analysis of variance analyzed changes within individual women over the four time points adjusted for age, parity, and body mass index. Results: We observed significant reductions from prepregnancy to second trimester for mean Alx-75 (17.1%-12.6%; p = 0.006) and cSBP (91.7-86.8 mmHg; p = 0.03) but not for cDBP or PWV. Both mean AIx-75 and cSBP increased in third trimester. In the postpartum, cSBP returned to prepregnancy levels, whereas AIx-75 exceeded prepregnancy levels, although this fell short of significance ( p = 0.09). Similar vascular patterns were observed in women with complex pregnancies for AIx-75; however, PWV increased from the second trimester and remained higher through postpartum, although not significant. Conclusion: In Mongolian women, we observed a decrease in AIx-75 and cSBP from prepregnancy through second trimester, which resolved postpartum. These results provide an understanding of changes across pregnancies in an Asian country. Future studies should assess vascular changes across pregnancies to determine if it can predict conditions such as pre-eclampsia.
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- 2022
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16. Menstrual Cycle Regularity and Length Across the Reproductive Lifespan and Risk of Cardiovascular Disease.
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Wang YX, Stuart JJ, Rich-Edwards JW, Missmer SA, Rexrode KM, Farland LV, Mukamal KJ, Nelson SM, Solomon CG, Fraser A, and Chavarro JE
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- Female, Humans, Adult, Middle Aged, Adolescent, Young Adult, Cohort Studies, Risk Factors, Prospective Studies, Longevity, Menstrual Cycle, Cardiovascular Diseases epidemiology, Cardiovascular Diseases etiology, Diabetes Mellitus, Type 2 complications, Hypercholesterolemia, Hypertension epidemiology, Hypertension complications
- Abstract
Importance: Menstrual cycle characteristics may be associated with an increased risk of cardiovascular disease (CVD). However, existing studies are limited, and few have explored the mediating role of established CVD risk factors., Objective: To explore the associations of menstrual cycle characteristics across the reproductive lifespan with the risk of CVD and to what extent these associations were mediated by hypercholesterolemia, chronic hypertension, and type 2 diabetes., Design, Setting, and Participants: This cohort study prospectively followed Nurses' Health Study II participants between 1993 and 2017 who reported menstrual cycle regularity and length for ages 14 to 17 years and 18 to 22 years at enrollment in 1989 and updated current cycle characteristics in 1993 (at ages 29 to 46 years). Data analysis was performed from October 1, 2019, to January 1, 2022., Exposures: Menstrual cycle regularity and length across the reproductive lifespan., Main Outcomes and Measures: Incident CVD events of interest, including fatal and nonfatal coronary heart disease (CHD; myocardial infarction [MI] or coronary revascularization) and stroke., Results: A total of 80 630 Nurses' Health Study II participants were included in the analysis, with a mean (SD) age of 37.7 (4.6) years and body mass index of 25.1 (5.6) at baseline. Over 24 years of prospective follow-up, 1816 women developed their first CVD event. Multivariable Cox proportional hazards models showed that, compared with women reporting very regular cycles at the same ages, women who had irregular cycles or no periods at ages 14 to 17, 18 to 22, or 29 to 46 years had hazard ratios for CVD of 1.15 (95% CI, 0.99-1.34), 1.36 (95% CI, 1.06-1.75), and 1.40 (95% CI, 1.14-1.71), respectively. Similarly, compared with women reporting a cycle length of 26 to 31 days, women reporting a cycle length 40 days or more or a cycle too irregular to estimate from ages 18 to 22 or 29 to 46 years had hazard ratios for CVD of 1.44 (95% CI, 1.13-1.84) and 1.30 (95% CI, 1.09-1.57), respectively. Mediation analyses showed that subsequent development of hypercholesteremia, chronic hypertension, and type 2 diabetes only explained 5.4% to 13.5% of the observed associations., Conclusions and Relevance: In this cohort study, both irregular and long menstrual cycles were associated with increased rates of CVD, which persisted even after accounting for subsequently established CVD risk factors.
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- 2022
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17. Pre-pregnancy fat intake in relation to hypertensive disorders of pregnancy.
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Arvizu M, Minguez-Alarcon L, Wang S, Mitsunami M, Stuart JJ, Rich-Edwards JW, Rosner B, and Chavarro JE
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- Dietary Fats, Fatty Acids, Fatty Acids, Monounsaturated, Female, Humans, Pregnancy, Fatty Acids, Omega-3, Hypertension, Pregnancy-Induced epidemiology, Hypertension, Pregnancy-Induced etiology, Pre-Eclampsia epidemiology, Trans Fatty Acids adverse effects
- Abstract
Background: Many studies have linked intakes of fat and of specific fatty acids during pregnancy with preeclampsia; however, information on the association of intake before pregnancy with hypertensive disorders of pregnancy (HDP) is scant., Objectives: We evaluated the associations of intakes of major and specific types of fat before pregnancy with the risks of HDP, including preeclampsia and gestational hypertension (GHTN)., Methods: We followed 11,535 women without chronic disease participating in the Nurses' Health Study II from 1991 and 2009. Pre-pregnancy dietary fat was assessed by an FFQ. Intakes of total fat, saturated fat, trans fatty acid (TFA), MUFAs, PUFAs, and fat subtypes (omega-3 and omega-6) were categorized into quintiles of intake. HDP were self-reported. The RRs (95% CIs) of HDP were estimated by log-binomial generalized estimating equation regression models, with an exchangeable correlation matrix to account for repeated pregnancies while adjusting for potential confounders., Results: During 19 years of follow-up, there were 495 cases of preeclampsia (2.9%) and 561 (3.3%) cases of GHTN in 16,892 singleton pregnancies. The mean age at pregnancy was 34.6 years (SD, 3.9 years). Among major fat types, only pre-pregnancy TFA was related to a higher risk of HDP (RR, 1.32; 95% CI: 1.05-1.66), and only for preeclampsia (RR, 1.50; 95% CI: 1.07-2.10) but not for GHTN (RR, 1.21; 95% CI: 0.87-1.70). Among specific types of PUFAs, intake of arachidonic acid was positively related with GHTN (RR, 1.43; 95% CI: 1.00-2.04) but not preeclampsia (RR, 1.08; 95% CI: 0.75-1.57). In analyses restricted to pregnancies 1 year after the diet assessment, women with the highest intake of long-chain omega-3 fatty acids had a 31% lower risk of HDP (95% CI: 3%-51%), which was driven by preeclampsia (RR, 0.55; 95% CI: 0.33-0.92)., Conclusions: Pre-pregnancy intakes of total fat, saturated fat, and MUFA were unrelated to HDP, whereas TFA was positively related to HDP. These findings highlight the importance of ongoing efforts to eliminate TFA from the global food supply., (© The Author(s) 2022. Published by Oxford University Press on behalf of the American Society for Nutrition.)
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- 2022
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18. Cardiovascular Risk Factors Mediate the Long-Term Maternal Risk Associated With Hypertensive Disorders of Pregnancy.
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Stuart JJ, Tanz LJ, Rimm EB, Spiegelman D, Missmer SA, Mukamal KJ, Rexrode KM, and Rich-Edwards JW
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- Female, Heart Disease Risk Factors, Humans, Pregnancy, Risk Factors, Cardiovascular Diseases epidemiology, Cardiovascular Diseases etiology, Diabetes Mellitus, Type 2 complications, Diabetes Mellitus, Type 2 epidemiology, Hypercholesterolemia complications, Hypertension, Pregnancy-Induced, Pre-Eclampsia epidemiology
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Background: Hypertensive disorders of pregnancy (HDP), including gestational hypertension and preeclampsia, are associated with an increased risk of CVD., Objectives: The purpose of this study was to evaluate associations between HDP and long-term CVD and identify the proportion of the association mediated by established CVD risk factors., Methods: Parous participants without CVD in the Nurses' Health Study II (n = 60,379) were followed for incident CVD from first birth through 2017. Cox proportional hazards models estimated HRs and 95% CIs for the relationship between HDP and CVD, adjusting for potential confounders, including prepregnancy body mass index, smoking, and parental history of CVD. To evaluate the proportion of the association jointly accounted for by chronic hypertension, hypercholesterolemia, type 2 diabetes, and changes in body mass index, we used the difference method., Results: Women with HDP in first pregnancy had a 63% higher rate of CVD (95% CI: 1.37-1.94) compared with women with normotensive pregnancies. This association was mediated by established CVD risk factors (proportion mediated = 64%). The increased rate of CVD was higher for preeclampsia (HR: 1.72; 95% CI: 1.42-2.10) than gestational hypertension (HR: 1.41; 95% CI: 1.03-1.93). Established CVD risk factors accounted for 57% of the increased rate of CVD for preeclampsia but 84% for gestational hypertension (both P < 0.0001)., Conclusions: Established CVD risk factors arising after pregnancy explained most (84%) of the increased risk of CVD conferred by gestational hypertension and 57% of the risk among women with preeclampsia. Screening for chronic hypertension, hypercholesterolemia, type 2 diabetes, and overweight/obesity after pregnancy may be especially helpful in CVD prevention among women with a history of HDP., Competing Interests: Funding Support and Author Disclosures This research was funded by the following grants from the National Institutes of Health: U01 CA176726, R01 HL088521, R01 HL34594, and U01 HL145386. This work was supported by awards from the American Heart Association (12PRE9110014, 13GRNT17070022). Dr Stuart was supported by Training Grant T32HL098048 from the National Heart, Lung, and Blood Institute and by Training Grant T32HD060454 from the National Institute of Child Health and Human Development. Dr Tanz was supported by F31HL131222 from the National Heart, Lung, and Blood Institute under the Ruth L. Kirschstein National Research Service Award. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. All other authors have reported that they have no relationships relevant to the contents of this paper to disclose., (Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved.)
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- 2022
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19. Physical activity before pregnancy and the risk of hypertensive disorders of pregnancy.
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Arvizu M, Minguez-Alarcon L, Stuart JJ, Mitsunami M, Rosner B, Rich-Edwards JW, and Chavarro JE
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- Female, Humans, Pregnancy, Exercise, Parity, Hypertension, Pregnancy-Induced diagnosis, Hypertension, Pregnancy-Induced epidemiology, Hypertension, Pregnancy-Induced etiology, Pre-Eclampsia diagnosis, Pre-Eclampsia epidemiology, Pre-Eclampsia etiology, Pregnancy Complications
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Background: It is unclear whether prepregnancy physical activity influences the risk of hypertensive disorders of pregnancy and whether any impact is similar for preeclampsia and gestational hypertension., Objective: To evaluate the relation of prepregnancy physical activity with hypertensive disorders of pregnancy and its alignment with the current recommendations for physical activity for the general population., Study Design: We studied 28,147 singleton pregnancies from 18,283 women without chronic hypertension, cardiovascular disease, or cancer, participating in the Nurses' Health Study-II between 1989 and 2010. The women self-reported their physical activity before pregnancy and pregnancy complications, including preeclampsia and gestational hypertension. Logistic regression models using generalized estimating equations to account for within-woman correlations across pregnancies were used to estimate the relative risk (95% confidence interval) of preeclampsia and gestational hypertension across quartiles of prepregnancy physical activity, adjusting for age at pregnancy, parity, smoking, multivitamin use, infertility history, marital status, race, year of pregnancy, and history of preeclampsia., Results: We identified 842 (3.0%) pregnancies with preeclampsia and 905 (3.2%) pregnancies with gestational hypertension. Physical activity before pregnancy was related to a lower risk of hypertensive disorders of pregnancy (relative risk, 0.75 [95% confidence interval, 0.65-0.87] for women in the highest quartile compared with the lowest quartile). This relation was driven by a 39% lower risk of gestational hypertension (relative risk, 0.61; 95% confidence interval, 0.50-0.76) comparing women in the highest quartile of physical activity (≥30.6 metabolic equivalents of task-hours/week) vs women in the lowest quartile (<6.0 metabolic equivalents of task-hours/week). Women whose moderate physical activity levels exceeded those recommended in the Physical Activity Guidelines for Americans (>5 hours/week) had a 50% lower (relative risk, 0.50; 95% confidence interval, 0.36-0.69) risk of gestational hypertension than women who did not meet this recommendation (<2.5 hours/week). For vigorous physical activity, the risk of gestational hypertension was lower among the women who met (1.25-2.5 hours/week; relative risk, 0.77; 95% confidence interval, 0.64-0.93) or exceeded (>2.5 hours/week; relative risk, 0.76; 95% confidence interval, 0.62-0.92) the recommendations than women whose activity levels were below those recommended. Physical activity was not related to the risk of preeclampsia (relative risk, 0.93; 95% confidence interval, 0.76-1.14)., Conclusion: Physical activity before pregnancy may lower the risk of developing gestational hypertension but not preeclampsia., (Copyright © 2021 Elsevier Inc. All rights reserved.)
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- 2022
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20. Contributions of Preterm Delivery to Cardiovascular Disease Risk Prediction in Women.
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Tanz LJ, Stuart JJ, Williams PL, Rimm EB, Missmer SA, Mukamal KJ, Rexrode KM, and Rich-Edwards JW
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- Adult, Aged, Female, Humans, Infant, Newborn, Parity, Pregnancy, Proportional Hazards Models, Risk Assessment, Risk Factors, Young Adult, Cardiovascular Diseases diagnosis, Cardiovascular Diseases epidemiology, Premature Birth epidemiology
- Abstract
Background: Preterm delivery is associated with a 1.4- to 2-fold increased risk of cardiovascular disease (CVD), but inclusion of preterm delivery in CVD risk prediction algorithms has not been tested. We evaluated whether including preterm delivery and parity in CVD risk scores improved identification of women at high risk versus scores based on traditional risk factors. Methods: We predicted 10-year CVD risk using 119,587 observations contributed by 76,512 women ≥40 years of age and 20-year CVD risk with 72,533 women ≥40 years of age and 72,872 women ≥30 years of age from the Nurses' Health Study II. Cox proportional hazards models were fit with established CVD risk factors (Model 1) and established risk factors plus preterm delivery and parity (Model 2). We evaluated model fit, calibration, discrimination, and risk reclassification. Results: Very preterm delivery (<32 weeks) was associated with CVD in all 10- and 20-year models that included the established CVD risk factors ( e.g. , hazard ratio: 1.61, 95% confidence interval: 1.19 to 2.20 in 10-year risk model). Model 2 had improved fit relative to Model 1, but discrimination was not improved in Model 2 based on the C-difference or net reclassification index. Similar models for 20-year CVD risk prediction at age ≥30 years indicated improved discrimination when including preterm delivery and parity. Conclusions: Incorporating preterm delivery and parity into CVD risk scores appears most useful when women are young, before they develop established CVD risk factors. Observed improvements in risk prediction were small and warrant further investigation to confirm our findings and assess utility in a clinical setting.
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- 2021
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21. Adverse Pregnancy Outcomes and Cardiovascular Disease Risk: Unique Opportunities for Cardiovascular Disease Prevention in Women: A Scientific Statement From the American Heart Association.
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Parikh NI, Gonzalez JM, Anderson CAM, Judd SE, Rexrode KM, Hlatky MA, Gunderson EP, Stuart JJ, and Vaidya D
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- Female, Humans, Pregnancy, Risk Factors, United States, American Heart Association organization & administration, Cardiovascular Diseases prevention & control, Pregnancy Outcome epidemiology
- Abstract
This statement summarizes evidence that adverse pregnancy outcomes (APOs) such as hypertensive disorders of pregnancy, preterm delivery, gestational diabetes, small-for-gestational-age delivery, placental abruption, and pregnancy loss increase a woman's risk of developing cardiovascular disease (CVD) risk factors and of developing subsequent CVD (including fatal and nonfatal coronary heart disease, stroke, peripheral vascular disease, and heart failure). This statement highlights the importance of recognizing APOs when CVD risk is evaluated in women, although their value in reclassifying risk may not be established. A history of APOs is a prompt for more vigorous primordial prevention of CVD risk factors and primary prevention of CVD. Adopting a heart-healthy diet and increasing physical activity among women with APOs, starting in the postpartum setting and continuing across the life span, are important lifestyle interventions to decrease CVD risk. Lactation and breastfeeding may lower a woman's later cardiometabolic risk. Black and Asian women experience a higher proportion APOs, with more severe clinical presentation and worse outcomes, than White women. More studies on APOs and CVD in non-White women are needed to better understand and address these health disparities. Future studies of aspirin, statins, and metformin may better inform our recommendations for pharmacotherapy in primary CVD prevention among women who have had an APO. Several opportunities exist for health care systems to improve transitions of care for women with APOs and to implement strategies to reduce their long-term CVD risk. One proposed strategy includes incorporation of the concept of a fourth trimester into clinical recommendations and health care policy.
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- 2021
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22. Hypertensive Disorders of Pregnancy and Subsequent Risk of Premature Mortality.
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Wang YX, Arvizu M, Rich-Edwards JW, Wang L, Rosner B, Stuart JJ, Rexrode KM, and Chavarro JE
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- Adult, Female, Humans, Pregnancy, Retrospective Studies, United States epidemiology, Young Adult, Hypertension, Pregnancy-Induced mortality
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Background: Hypertensive disorders of pregnancy (HDPs) are leading causes of maternal and perinatal morbidity and mortality. However, it is uncertain whether HDPs are associated with long-term risk of premature mortality (before age 70 years)., Objectives: The objective of this study was to evaluate whether HDPs were associated with premature mortality., Methods: Between 1989 and 2017, the authors followed 88,395 parous female nurses participating in the Nurses' Health Study II. The study focused on gestational hypertension and pre-eclampsia within the term HDPs. Hazard ratios (HRs) and 95% confidence intervals (CIs) for the associations between HDPs and premature mortality were estimated by using Cox proportional hazards models, with adjustment for relevant confounders., Results: The authors documented that 2,387 women died before age 70 years, including 1,141 cancer deaths and 212 CVD deaths. The occurrence of HDPs, either gestational hypertension or pre-eclampsia, was associated with an HR of 1.31 (95% CI: 1.18 to 1.46) for premature death during follow-up. When specific causes of death were examined, these relations were strongest for CVD-related mortality (HR: 2.26; 95% CI: 1.67 to 3.07). The association between HDPs and all-cause premature death persisted, regardless of the subsequent development of chronic hypertension (HR: 1.20 [95% CI: 1.02 to 1.40] for HDPs only and HR: 2.02 [95% CI: 1.75 to 2.33] for both HDPs and subsequent chronic hypertension)., Conclusions: An occurrence of HDPs, either gestational hypertension or pre-eclampsia, was associated with an increased risk of premature mortality, particularly CVD mortality, even in the absence of chronic hypertension., Competing Interests: Funding Support and Author Disclosures This study was supported by grants U01-HL145386, U01-CA176726, R01-HL034594, and R01-HL088521 from the National Institutes of Health. The authors have reported that they have no relationships relevant to the contents of this paper to disclose., (Copyright © 2021 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.)
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- 2021
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23. Cardiovascular Health After Preeclampsia: Patient and Provider Perspective.
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Seely EW, Celi AC, Chausmer J, Graves C, Kilpatrick S, Nicklas JM, Rosser ML, Rexrode KM, Stuart JJ, Tsigas E, Voelker J, Zelop C, and Rich-Edwards JW
- Subjects
- Female, Humans, Pregnancy, Risk Factors, Risk Reduction Behavior, Cardiovascular Diseases epidemiology, Cardiovascular Diseases prevention & control, Cardiovascular System, Obstetrics, Pre-Eclampsia
- Abstract
Background: Preeclampsia predicts future cardiovascular disease (CVD) yet few programs exist for post-preeclampsia care. Methods: The Health after Preeclampsia Patient and Provider Engagement Network workshop was convened at the Radcliffe Institute for Advanced Study in June 2018. The workshop sought to identify: 1) patient perspectives on barriers and facilitators to CVD risk reduction; 2) clinical programs specialized in post-preeclampsia care; 3) recommendations by national organizations for risk reduction; and 4) next steps. Stakeholders included the Preeclampsia Foundation, patients, clinicians who had initiated CVD risk reduction programs for women with prior preeclampsia, researchers, and national task force members. Results: Participants agreed there is insufficient awareness and action to prevent CVD after preeclampsia. Patients suggested a clinician checklist to ensure communication of CVD risks, enhanced training for clinicians on the link between preeclampsia and CVD, and a post-delivery appointment with a clinician knowledgeable about this link. Clinical programs primarily served patients in the first postpartum year, bridging obstetrical and primary care. They recommended CVD risk modification with periodic blood pressure, weight, lipid and diabetes screening. Barriers included the paucity of programs designed for this population and gaps in insurance coverage after delivery. The American Heart Association, the American College of Obstetricians and Gynecologists, and the Preeclampsia Foundation have developed guidelines and materials for patients and providers to guide management of women with prior preeclampsia. Conclusions: Integrated efforts of patients, caregivers, researchers, and national organizations are needed to improve CVD prevention after preeclampsia. This meeting's recommendations can serve as a resource and catalyst for this effort.
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- 2021
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24. Prepregnancy adherence to dietary recommendations for the prevention of cardiovascular disease in relation to risk of hypertensive disorders of pregnancy.
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Arvizu M, Stuart JJ, Rich-Edwards JW, Gaskins AJ, Rosner B, and Chavarro JE
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- Adult, Female, Humans, Pre-Eclampsia prevention & control, Pregnancy, Pregnancy Outcome, Risk Factors, Dietary Approaches To Stop Hypertension, Hypertension, Pregnancy-Induced prevention & control, Pregnancy Complications, Cardiovascular prevention & control
- Abstract
Background: It is unclear whether adherence to diet recommendations for the prevention of cardiovascular disease (CVD) in the general population is also related to the risk of hypertensive disorders of pregnancy, including pre-eclampsia and gestational hypertension (GHTN)., Objectives: The aim was to evaluate the relation of prepregnancy adherence to the American Heart Association (AHA) diet recommendations and the Dietary Approaches to Stop Hypertension (DASH) with the risk of pre-eclampsia and GHTN., Methods: Between 1991 and 2009, we prospectively followed 16,892 singleton pregnancies among 11,535 women who participated in the Nurses' Health Study II. Prepregnancy diet was assessed every 4 y, from which we calculated dietary pattern scores from the DASH diet (8 components) and the diet recommendations from the AHA 2020 Strategic Impact Goals (primary score: 5 components; secondary score: primary score plus 3 components). Pregnancy outcomes were self-reported, and we estimated the RR (95% CI) of pre-eclampsia and GHTN with log-binomial regression using generalized estimating equations to account for repeat pregnancies and adjusting for potential confounders., Results: Women had a mean (SD) age of 34.4 (34.0) y at pregnancy. Pre-eclampsia was reported in 495 (2.9%) pregnancies and GHTN in 561 (3.3%) pregnancies. The RR (95% CI) of pre-eclampsia for women in the highest quintile of the DASH was 0.65 (0.48, 0.87) compared with women in the lowest score quintile. A similar inverse trend was observed for the AHA primary (0.74; 95% CI: 0.55, 1.00) and secondary (0.81; 95% CI: 0.61, 1.07) scores comparing women in the highest versus the lowest score quintile. Neither the DASH nor the AHA scores were related to GHTN., Conclusions: Women with higher adherence to dietary recommendations for the prevention of CVD in the general population had a lower risk of pre-eclampsia-a common pregnancy complication related to higher CVD risk among women-than women with lower adherence to these recommendations., (Copyright © The Author(s) on behalf of the American Society for Nutrition 2020.)
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- 2020
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25. Randomized Trial to Reduce Cardiovascular Risk in Women with Recent Preeclampsia.
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Rich-Edwards JW, Stuart JJ, Skurnik G, Roche AT, Tsigas E, Fitzmaurice GM, Wilkins-Haug LE, Levkoff SE, and Seely EW
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- Adolescent, Adult, Female, Humans, Hypertension prevention & control, Life Style, Middle Aged, Pregnancy, Primary Prevention, Risk Factors, Young Adult, Cardiovascular Diseases prevention & control, Internet-Based Intervention, Pre-Eclampsia
- Abstract
Background: To reduce cardiovascular disease (CVD) risk, we tested an online intervention to improve healthy lifestyle for women with recent preeclampsia. Materials and Methods: We conducted a randomized controlled 9-month clinical trial, Heart Health 4 Moms (HH4M), among 151 U.S. women with preeclampsia within 5 years. Sample size was planned to detect differences of 0.5 standard deviation units in primary outcomes between study arms. Preeclampsia history was validated by medical records; women with chronic hypertension were excluded. The intervention included online educational modules, a community forum, and communication with a lifestyle coach. The control group received internet links to CVD risk reduction information. Primary outcomes were self-efficacy to eat a healthy diet and increase physical activity; change in physical in/activity; adherence to the Dietary Approaches to Stop Hypertension (DASH) diet; and knowledge of and personal control over CVD risk. Secondary outcomes were weight and blood pressure. Results: In the intervention arm, 84% of participants accessed at least one online educational module; 89% completed at least three scheduled calls with the coach. At 9 months, intervention participants reported significantly greater knowledge of CVD risk factors (corrected p = 0.01), increased self-efficacy for healthy eating ( p = 0.03), and less physical inactivity than controls ( p = 0.0006). The groups did not differ in sense of personal control of CVD risk factors, adherence to the DASH diet, self-efficacy for physical activity, or reported physical activity. There were no differences in secondary outcomes between groups. Conclusions: The HH4M program improved CVD risk knowledge, self-efficacy to achieve a healthy diet, and reduced physical inactivity among women with recent preeclampsia.
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- 2019
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26. Endometriosis and Risk of Adverse Pregnancy Outcomes.
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Farland LV, Prescott J, Sasamoto N, Tobias DK, Gaskins AJ, Stuart JJ, Carusi DA, Chavarro JE, Horne AW, Rich-Edwards JW, and Missmer SA
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- Abortion, Spontaneous epidemiology, Adult, Cohort Studies, Female, Humans, Pregnancy, Pregnancy Complications epidemiology, Pregnancy Outcome, Risk, Abortion, Spontaneous etiology, Endometriosis complications, Pregnancy Complications etiology
- Abstract
Objective: To investigate the relationship between endometriosis and adverse pregnancy outcomes., Methods: Women between ages 25 and 42 years in 1989 (n=116,429) reported detailed information on pregnancies and reproductive health at baseline and every 2 years thereafter in the Nurses' Health Study II, a cohort study. In 2009, they completed a detailed, pregnancy-focused questionnaire. A total of 196,722 pregnancies were reported. Adverse pregnancy outcomes included spontaneous abortion, ectopic pregnancy, stillbirth, gestational diabetes mellitus (GDM), hypertensive disorders of pregnancy (preeclampsia or gestational hypertension), preterm birth, and low birth weight. We estimated the relative risks (RRs) and 95% CIs of adverse pregnancy outcomes comparing pregnancies in women with and without a history of laparoscopically confirmed endometriosis using multivariable log-binomial regression, with generalized estimating equations to account for multiple pregnancies per woman., Results: Endometriosis was associated with a greater risk of pregnancy loss (spontaneous abortion: RR 1.40, 95% CI 1.31-1.49; ectopic pregnancy: RR 1.46, 95% CI 1.19-1.80). Endometriosis was also associated with a greater risk of GDM (RR 1.35, 95% CI 1.11-1.63) and hypertensive disorders of pregnancy (RR 1.30, 95% CI 1.16-1.45)., Conclusions: We observed an association between laparoscopically confirmed endometriosis and several adverse pregnancy outcomes. Future research should focus on the potential biological pathways underlying these relationships to inform screening or preventive interventions.
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- 2019
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27. Spectral characterization of wheat functional trait responses to Hessian fly: Mechanisms for trait-based resistance.
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Campos-Medina VA, Cotrozzi L, Stuart JJ, and Couture JJ
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- Animals, Diptera genetics, Diptera physiology, Disease Resistance genetics, Disease Resistance physiology, Food Chain, Genes, Insect, Genes, Plant, Genotype, Herbivory physiology, Host-Parasite Interactions genetics, Host-Parasite Interactions physiology, Plant Diseases genetics, Plant Diseases parasitology, Plant Tumors parasitology, Spectrum Analysis, Stress, Physiological, Triticum genetics, Triticum physiology, Diptera pathogenicity, Triticum parasitology
- Abstract
Insect herbivores can manipulate host plants to inhibit defenses. Insects that induce plant galls are excellent examples of these interactions. The Hessian fly (HF, Mayetiola destructor) is a destructive pest of wheat (Triticum spp.) that occurs in nearly all wheat producing globally. Under compatible interactions (i.e., successful HF establishment), HF larvae alter host tissue physiology and morphology for their benefit, manifesting as the development of plant nutritive tissue that feeds the larva and ceases plant cell division and elongation. Under incompatible interactions (i.e., unsuccessful HF establishment), plants respond to larval feeding by killing the larva, permitting normal plant development. We used reflectance spectroscopy to characterize whole-plant functional trait responses during both compatible and incompatible interactions and related these findings with morphological and gene expression observations from earlier studies. Spectral models successfully characterized wheat foliar traits, with mean goodness of fit statistics of 0.84, 0.85, 0.94, and 0.69 and percent root mean square errors of 22, 10, 6, and 20%, respectively, for nitrogen and carbon concentrations, leaf mass per area, and total phenolic content. We found that larvae capable of generating compatible interactions successfully manipulated host plant chemical and morphological composition to create a more hospitable environment. Incompatible interactions resulted in lower host plant nutritional quality, thicker leaves, and higher phenolic levels. Spectral measurements successfully characterized wheat responses to compatible and incompatible interactions, providing an excellent example of the utility of Spectral phenotyping in quantifying responses of specific plant functional traits associated with insect resistance., Competing Interests: The authors have declared that no competing interests exist.
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- 2019
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28. Preterm Delivery and Maternal Cardiovascular Disease Risk Factors: The Nurses' Health Study II.
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Tanz LJ, Stuart JJ, Williams PL, Missmer SA, Rimm EB, James-Todd TM, and Rich-Edwards JW
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- Adult, Diabetes Mellitus, Type 2 epidemiology, Female, Humans, Hypercholesterolemia epidemiology, Hypertension epidemiology, Incidence, Pregnancy, Proportional Hazards Models, Risk Factors, Young Adult, Cardiovascular Diseases epidemiology, Premature Birth epidemiology
- Abstract
Background: Preterm delivery has been linked to future maternal cardiovascular disease (CVD); however, research investigating clinical CVD risk factors is limited. We evaluated whether women who have delivered an infant preterm are at higher risk of developing CVD risk factors after adjustment for prepregnancy confounders. Materials and Methods: We examined the association between preterm delivery and incident chronic hypertension, type 2 diabetes mellitus (T2DM), and hypercholesterolemia among 57,904 parous women in the Nurses' Health Study II. Multivariable Cox proportional hazards models were used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) for the associations between preterm delivery in first pregnancy and each CVD risk factor; adjusted cumulative incidence curves were computed using the Breslow estimator. Results: Preterm delivery (<37 weeks) was associated with HRs of 1.11 (95% CI: 1.06-1.17) for chronic hypertension, 1.17 (95% CI: 1.03-1.33) for T2DM, and 1.07 (95% CI: 1.03-1.11) for hypercholesterolemia, adjusting for age, race/ethnicity, parental education, and prepregnancy confounders ( e.g. , body mass index, smoking, and family history). HRs were higher in women who delivered very preterm (<32 weeks) and in the first 10 years after first birth. The cumulative incidence of each risk factor was highest in women who delivered very preterm. Conclusions: Women with a history of preterm delivery are at higher risk of developing chronic hypertension, T2DM, and hypercholesterolemia in the years after pregnancy. This increased risk was particularly pronounced in the first 10 years after a preterm delivery, indicating that it may be an important time period to implement lifestyle interventions.
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- 2019
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29. Does pregnancy complication history improve cardiovascular disease risk prediction? Findings from the HUNT study in Norway.
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Markovitz AR, Stuart JJ, Horn J, Williams PL, Rimm EB, Missmer SA, Tanz LJ, Haug EB, Fraser A, Timpka S, Klykken B, Dalen H, Romundstad PR, Rich-Edwards JW, and Åsvold BO
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- Adult, Cohort Studies, Female, Follow-Up Studies, Humans, Middle Aged, Norway epidemiology, Pregnancy, Registries, Risk Factors, Coronary Disease epidemiology, Myocardial Infarction epidemiology, Pre-Eclampsia epidemiology, Risk Assessment, Stroke epidemiology
- Abstract
Aim: To evaluate whether history of pregnancy complications [pre-eclampsia, gestational hypertension, preterm delivery, or small for gestational age (SGA)] improves risk prediction for cardiovascular disease (CVD)., Methods and Results: This population-based, prospective cohort study linked data from the HUNT Study, Medical Birth Registry of Norway, validated hospital records, and Norwegian Cause of Death Registry. Using an established CVD risk prediction model (NORRISK 2), we predicted 10-year risk of CVD (non-fatal myocardial infarction, fatal coronary heart disease, and non-fatal or fatal stroke) based on established risk factors (age, systolic blood pressure, total and HDL-cholesterol, smoking, anti-hypertensives, and family history of myocardial infarction). We evaluated whether adding pregnancy complication history improved model fit, calibration, discrimination, and reclassification. Among 18 231 women who were parous, ≥40 years of age, and CVD-free at start of follow-up, 39% had any pregnancy complication history and 5% experienced a CVD event during a median follow-up of 8.2 years. While pre-eclampsia and SGA were associated with CVD in unadjusted models (HR 1.96, 95% CI 1.44-2.65 for pre-eclampsia and HR 1.46, 95% CI 1.18-1.81 for SGA), only pre-eclampsia remained associated with CVD after adjusting for established risk factors (HR 1.60, 95% CI 1.16-2.17). Adding pregnancy complication history to the established prediction model led to small improvements in discrimination (C-index difference 0.004, 95% CI 0.002-0.006) and reclassification (net reclassification improvement 0.02, 95% CI 0.002-0.05)., Conclusion: Pre-eclampsia independently predicted CVD after controlling for established risk factors; however, adding pre-eclampsia, gestational hypertension, preterm delivery, and SGA made only small improvements to CVD prediction among this representative sample of parous Norwegian women., (© The Author(s) 2018. Published by Oxford University Press on behalf of the European Society of Cardiology.)
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- 2019
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30. Factors predictive of poorer outcomes in the surgical repair of multiligament knee injuries.
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Alentorn-Geli E, Lazarides AL, Utturkar GM, Myers HS, Samuelsson K, Choi JHJ, Stuart JJ, and Moorman CT 3rd
- Subjects
- Adult, Cross-Sectional Studies, Female, Humans, Joint Instability surgery, Knee Injuries diagnosis, Knee Joint surgery, Ligaments surgery, Ligaments, Articular surgery, Male, Meniscus surgery, Middle Aged, Postoperative Complications, Range of Motion, Articular, Reoperation statistics & numerical data, Tendons surgery, Transplantation, Homologous, Treatment Outcome, Anterior Cruciate Ligament Reconstruction statistics & numerical data, Knee Injuries surgery, Ligaments, Articular injuries, Posterior Cruciate Ligament Reconstruction statistics & numerical data
- Abstract
Purpose: To investigate the influence of injury and treatment factors on clinical/functional outcomes in multiligament knee injuries (MLKI)., Methods: Thirty-nine consecutive patients with confirmed and surgically treated MLKI who met inclusion criteria were scheduled for a follow-up visit to obtain: SF-12 and subjective feeling of normalcy between the operated and healthy knee, and IKDC, active range of motion (ROM), and stability exam (Lachman test, posterior drawer, and dial test at 30°). A chart review was used to obtain data on injury and treatment factors., Results: The postoperative mean (SD) outcomes were: IKDC score 62.7 (25.9), flexion-extension ROM 125° (29°), and percentage of normalcy 74% (20%). The postoperative normal/nearly normal stability exam was: Lachman test 36 (95%) patients, posterior drawer at 90° 38 (97%) patients, and dial test of 39 (100%) patients. There were 24 (61.5%) and 23 (59%) patients with complications and reoperations, respectively. The presence of bicruciate injuries was associated with worse Lachman (p = 0.03) and posterior drawer tests (p = 0.03). Presence of injury to meniscal structures was associated with worse Lachman test (p = 0.03), lower percentage of normalcy (p = 0.02) and extension lag (p = 0.04). Injury to cartilage structures was associated with worse IKDC scores (p = 0.04). IKDC was lower in cases of posterolateral corner reconstruction (p = 0.03) and use of allograft tendons for reconstruction (p = 0.02); ROM was lower in allograft reconstruction (p = 0.02) and need for meniscal repair (p = 0.01). Bicruciate reconstruction led to worst posterior drawer test (p = 0.006)., Conclusions: The outcomes of MLKI might be negatively influenced by bicruciate ligament, meniscal, and cartilage injuries; with regards to treatment characteristics, need for posterolateral corner or bicruciate ligament reconstruction, use of allografts, or need for meniscal repair may similarly diminish outcomes. While surgical treatment provides good overall function, ROM and stability, it rarely results in a "normal" knee and the chances of complications and reoperations are high., Level of Evidence: Cross-sectional comparative study, Level III.
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- 2019
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31. Correction to: Factors associated with poorer outcomes in the surgical treatment of multiligament knee injuries.
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Alentorn-Geli E, Lazarides AL, Utturkar GM, Myers HS, Samuelsson K, Choi JHJ, Stuart JJ, and Moorman CT 3rd
- Abstract
The author would like to correct the following errors in the publication of the original article.
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- 2019
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32. Postpregnancy BMI in the Progression From Hypertensive Disorders of Pregnancy to Type 2 Diabetes.
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Timpka S, Stuart JJ, Tanz LJ, Hu FB, Franks PW, and Rich-Edwards JW
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- Adult, Blood Pressure, Diabetes Mellitus, Type 2 diagnosis, Diabetes, Gestational diagnosis, Disease Progression, Female, Follow-Up Studies, Humans, Hypertension, Pregnancy-Induced diagnosis, Incidence, Life Style, Middle Aged, Obesity diagnosis, Pregnancy, Proportional Hazards Models, Prospective Studies, Risk Factors, Body Mass Index, Diabetes Mellitus, Type 2 epidemiology, Diabetes, Gestational epidemiology, Hypertension, Pregnancy-Induced epidemiology, Obesity epidemiology, Pre-Eclampsia epidemiology
- Abstract
Objective: To study the extent to which BMI after pregnancy adds to the elevated risk of postpregnancy type 2 diabetes in women with a history of hypertensive disorders of pregnancy (HDP) (preeclampsia or gestational hypertension)., Research Design and Methods: We used data from the Nurses' Health Study II, a prospective cohort study. In women aged 45-54 years without prior gestational diabetes mellitus, we investigated the interaction between BMI and HDP history on the risk of type 2 diabetes. For clinical and public health relevance, we focused on additive interaction. The main outcome measure was the relative excess risk due to interaction calculated from multivariable Cox proportional hazards models using normal weight as the reference group., Results: In total, 6,563 (11.7%) of 56,159 participants had a history of HDP and 1,341 women developed type 2 diabetes during 436,333 person-years. BMI was a strong risk factor for type 2 diabetes regardless of HDP history. However, there was evidence of an additive interaction between BMI and HDP for the risk of type 2 diabetes ( P = 0.004). The attributable proportion of risk due to the interaction ranged from 0.12 (95% CI -0.22, 0.46) in women who were overweight to 0.36 (95% CI 0.13, 0.59) in women with obesity class I., Conclusions: Maintaining a healthy weight may be of even greater importance in women with a history of HDP, compared with other women with a history of only normotensive pregnancies, to reduce midlife risk of type 2 diabetes., (© 2018 by the American Diabetes Association.)
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- 2019
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33. Early or late pregnancy loss and development of clinical cardiovascular disease risk factors: a prospective cohort study.
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Horn J, Tanz LJ, Stuart JJ, Markovitz AR, Skurnik G, Rimm EB, Missmer SA, and Rich-Edwards JW
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- Abortion, Induced statistics & numerical data, Adult, Confidence Intervals, Diabetes Mellitus, Type 2 etiology, Female, Gestational Age, Humans, Hypercholesterolemia etiology, Hypertension etiology, Pregnancy, Proportional Hazards Models, Prospective Studies, Risk Factors, Young Adult, Abortion, Spontaneous epidemiology, Diabetes Mellitus, Type 2 epidemiology, Hypercholesterolemia epidemiology, Hypertension epidemiology, Pregnancy Outcome epidemiology, Stillbirth epidemiology
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Objective: To assess the association between the outcome of a woman's first pregnancy and risk of clinical cardiovascular disease risk factors., Design: Prospective cohort study., Setting and Population: Nurses' Health Study II., Methods: Multivariable-adjusted Cox proportional hazards models were used to compute hazard ratios (HRs) and 95% confidence intervals (CIs) for the associations between first pregnancy outcome and hypertension, type 2 diabetes, and hypercholesterolemia., Main Outcome Measures: Hypertension, type 2 diabetes, and hypercholesterolemia., Results: Compared to women who reported a singleton live first birth, women with early spontaneous abortion (<12 weeks) had a greater rate of type 2 diabetes (HR: 1.20; 95% CI: 1.07-1.34) and hypercholesterolemia (HR: 1.06; 95% CI: 1.02-1.10), and a marginally increased rate of hypertension (HR: 1.05, 95% CI: 1.00-1.11). Late spontaneous abortion (12-19 weeks) was associated with an increased rate of type 2 diabetes (HR: 1.38; 95% CI: 1.14-1.65), hypercholesterolemia (HR: 1.11; 95% CI: 1.03-1.19), and hypertension (HR: 1.15; 95% CI: 1.05-1.25). The rates of type 2 diabetes (HR: 1.45; 95% CI: 1.13-1.87) and hypertension (HR: 1.15; 95% CI: 1.01-1.30) were higher in women who delivered stillbirth. In contrast, women whose first pregnancy ended in an induced abortion had lower rates of hypertension (HR: 0.87; 95% CI: 0.84-0.91) and type 2 diabetes (HR: 0.89; 95% CI: 0.79-0.99) than women with a singleton live birth., Conclusions: Several types of pregnancy loss were associated with an increased rate of hypertension, type 2 diabetes, and hypercholesterolemia, which may provide novel insight into the pathways through which pregnancy outcomes and CVD are linked., Tweetable Abstract: Pregnancy loss is associated with later maternal risk of hypertension, type 2 diabetes, and hypercholesterolemia., (© 2018 Royal College of Obstetricians and Gynaecologists.)
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- 2019
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34. Identifying Women With a History of a Hypertensive Disorder of Pregnancy: Values, Challenges, and Opportunities.
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Stuart JJ
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- Algorithms, Blood Pressure, Female, Humans, Patient Discharge, Pregnancy, Hypertension, Pregnancy-Induced
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- 2018
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35. The value of pregnancy complication history for 10-year cardiovascular disease risk prediction in middle-aged women.
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Timpka S, Fraser A, Schyman T, Stuart JJ, Åsvold BO, Mogren I, Franks PW, and Rich-Edwards JW
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- Female, Humans, Hypertension, Pregnancy-Induced diagnosis, Middle Aged, Myocardial Infarction epidemiology, Pregnancy, Prospective Studies, Registries, Reproductive History, Risk Assessment statistics & numerical data, Risk Factors, Stroke epidemiology, Surveys and Questionnaires, Sweden epidemiology, Time Factors, Cardiovascular Diseases diagnosis, Cardiovascular Diseases epidemiology, Hypertension epidemiology, Hypertension, Pregnancy-Induced epidemiology, Pregnancy Complications, Cardiovascular diagnosis, Pregnancy Complications, Cardiovascular epidemiology, Risk Assessment methods
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Women with a history of hypertensive disorders of pregnancy (HDP; preeclampsia and gestational hypertension) or delivering low birth weight offspring (LBW; < 2500 g) have twice the risk of cardiovascular disease (CVD). We aimed to study the extent to which history of these pregnancy complications improves CVD risk prediction above and beyond conventional predictors. Parous women attended standardized clinical visits in Sweden. Data were linked to registries of deliveries and CVD. Participants were followed for a first CVD event within 10 years from age 50 (n = 7552) and/or 60 years (n = 5360) and the predictive value of each pregnancy complication above and beyond conventional predictors was investigated. History of LBW offspring was associated with increased risk of CVD when added to conventional predictors in women 50 years of age [Hazard ratio 1.68, 95% Confidence interval (CI) 1.19, 2.37] but not at age 60 (age interaction p = 0.04). However, at age 50 years CVD prediction was not further improved by information on LBW offspring, except that a greater proportion of the women who developed CVD were assigned to a higher risk category (categorical net reclassification improvement for events 0.038, 95% CI 0.003, 0.074). History of HDP was not associated with CVD when adjusted for reference model predictors. In conclusion, a history of pregnancy complications can identify women with increased risk of CVD midlife. However, considered with conventional risk factors, history of HDP or having delivered LBW offspring did not meaningfully improve 10-year CVD risk prediction in women age 50 years or older.
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- 2018
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36. Hypertensive Disorders of Pregnancy and 10-Year Cardiovascular Risk Prediction.
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Stuart JJ, Tanz LJ, Cook NR, Spiegelman D, Missmer SA, Rimm EB, Rexrode KM, Mukamal KJ, and Rich-Edwards JW
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- Adult, Cohort Studies, Female, Humans, Longitudinal Studies, Middle Aged, Parity, Pregnancy, Proportional Hazards Models, Risk Assessment, United States epidemiology, Coronary Disease epidemiology, Hypertension, Pregnancy-Induced epidemiology, Myocardial Infarction epidemiology, Stroke epidemiology
- Abstract
Background: Hypertensive disorders of pregnancy (HDP) affect 10% to 15% of women and are associated with a 2-fold increased risk of cardiovascular disease (CVD)., Objectives: This study sought to determine whether inclusion of HDP in an established CVD risk score improves prediction of CVD events in women., Methods: The analysis comprised 106,230 ≤10-year observations contributed by 67,406 women, age ≥40 years, free of prior CVD, with data available on model covariates in the Nurses' Health Study II. Participants were followed up for confirmed myocardial infarction, fatal coronary heart disease, or stroke from 1989 to 2013. We fit an established CVD risk prediction model (Model A: age, total cholesterol and high-density lipoprotein cholesterol, systolic blood pressure, antihypertensive medication use, current smoking, diabetes mellitus) and compared it to the same model plus HDP and parity (Model B); Cox proportional hazards models were used to obtain predicted probabilities for 10-year CVD risk., Results: HDP and parity were associated with 10-year CVD risk independent of established CVD risk factors, overall and at ages 40 to 49 years. However, inclusion of HDP and parity in the risk prediction model did not improve discrimination (Model A: C-index = 0.691; Model B: C-index = 0.693; p value for difference = 0.31) or risk reclassification (net reclassification improvement = 0.4%; 95% confidence interval: -0.2 to 1.0%; p = 0.26)., Conclusions: In this first test of the clinical utility of HDP and parity in CVD risk prediction, additional inclusion of HDP and parity in an established risk score did not improve discrimination or reclassification in this low-risk population; this might be because of the known associations between HDP and established CVD risk factors in the reference model., (Copyright © 2018 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.)
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- 2018
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37. Hypertensive Disorders of Pregnancy and Maternal Cardiovascular Disease Risk Factor Development: An Observational Cohort Study.
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Stuart JJ, Tanz LJ, Missmer SA, Rimm EB, Spiegelman D, James-Todd TM, and Rich-Edwards JW
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- Adult, Cardiovascular Diseases epidemiology, Cardiovascular Diseases prevention & control, Diabetes Mellitus, Type 2 diagnosis, Diabetes Mellitus, Type 2 epidemiology, Diabetes Mellitus, Type 2 prevention & control, Diet, Healthy, Female, Follow-Up Studies, Healthy Lifestyle, Humans, Hypercholesterolemia diagnosis, Hypercholesterolemia epidemiology, Hypercholesterolemia prevention & control, Hypertension diagnosis, Hypertension epidemiology, Hypertension prevention & control, Incidence, Longitudinal Studies, Pregnancy, Recurrence, Risk Factors, Self Report, Cardiovascular Diseases diagnosis, Hypertension, Pregnancy-Induced diagnosis
- Abstract
Background: Women with a history of hypertensive disorders of pregnancy (HDP) are nearly twice as likely to develop cardiovascular disease (CVD) as those who are normotensive during pregnancy. However, the emergence of CVD risk factors after HDP is less well-understood., Objective: To identify associations between HDP and maternal CVD risk factors and chart the trajectory of risk factor development after pregnancy., Design: Observational cohort study., Setting: United States., Participants: 58 671 parous NHS II (Nurses' Health Study II) participants who did not have CVD or risk factors of interest at baseline., Measurements: Women were followed for self-reported physician diagnosis of chronic hypertension and hypercholesterolemia and confirmed type 2 diabetes mellitus (T2DM) from their first birth through 2013; mean follow-up ranged from 25 to 32 years across these end points. Multivariable Cox proportional hazards models estimated hazard ratios (HRs) and 95% CIs, with adjustment for prepregnancy confounders., Results: Compared with women who were normotensive during pregnancy, those with gestational hypertension (2.9%) or preeclampsia (6.3%) in their first pregnancy had increased rates of chronic hypertension (HRs, 2.8 [95% CI, 2.6 to 3.0] and 2.2 [CI, 2.1 to 2.3], respectively), T2DM (HRs, 1.7 [CI, 1.4 to 1.9] and 1.8 [CI, 1.6 to 1.9], respectively), and hypercholesterolemia (HRs, 1.4 [CI, 1.3 to 1.5] and 1.3 [CI, 1.3 to 1.4], respectively). Although these women were more likely to develop CVD risk factors throughout follow-up, the relative risk for chronic hypertension was strongest within 5 years after their first birth. Recurrence of HDP further elevated risks for all end points., Limitation: Participants self-reported HDP., Conclusion: Women with HDP in their first pregnancy had increased rates of chronic hypertension, T2DM, and hypercholesterolemia that persisted for several decades. These women may benefit from lifestyle intervention and early screening to reduce lifetime risk for CVD., Primary Funding Source: National Institutes of Health.
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- 2018
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38. Cardiovascular biomarkers in the years following pregnancies complicated by hypertensive disorders or delivered preterm.
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Tanz LJ, Stuart JJ, Missmer SA, Rimm EB, Sumner JA, Vadnais MA, and Rich-Edwards JW
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- Adult, C-Reactive Protein metabolism, Cholesterol blood, Cohort Studies, Female, Glycated Hemoglobin metabolism, Humans, Intercellular Adhesion Molecule-1 blood, Interleukin-6 blood, Linear Models, Longitudinal Studies, Pregnancy, Biomarkers blood, Cardiovascular Diseases blood, Pre-Eclampsia, Premature Birth, Puerperal Disorders blood
- Abstract
Background: Women with a history of hypertensive disorders of pregnancy and preterm delivery have an increased risk of cardiovascular disease (CVD). Chronic inflammation, endothelial dysfunction, and dyslipidemia may link pregnancy outcomes with CVD., Objective: We evaluated whether women with a history of HDP or normotensive preterm delivery had adverse CVD biomarker profiles after pregnancy., Study Design: We identified parous women from the Nurses' Health Study II with C-reactive protein (CRP; n = 2614), interleukin-6 (IL-6; n = 2490), glycated hemoglobin (n = 885), intracellular adhesion molecule-1 (n = 1231), high density lipoprotein cholesterol (n = 931), low density lipoprotein cholesterol (n = 931), triglycerides (n = 1428), or total cholesterol (n = 2940) assessed in stored blood samples. Multivariable-adjusted robust linear regression models evaluated percent differences and 95% confidence intervals (CIs) in each biomarker associated with a history of HDP or preterm delivery., Results: Ten percent of women had a history of HDP, while 11% with normotensive pregnancies had at least one preterm delivery. Median time from first pregnancy to blood draw was 17 years (interquartile range: 12, 22). Plasma levels of CRP and IL-6 were 34.4% (95% CI: 17.2, 54.1), and 11.6% higher (95% CI: 2.1, 21.9) respectively, among women with a history of HDP compared to those with only normotensive pregnancies. Altered CVD biomarker levels were otherwise not present in women with a history of HDP or preterm delivery., Conclusion: CRP and IL-6, but not other CVD biomarkers, were elevated in women with a history of HDP in the years following pregnancy, suggesting inflammation may be a pathway linking HDP with future CVD risk., (Copyright © 2018 International Society for the Study of Hypertension in Pregnancy. Published by Elsevier B.V. All rights reserved.)
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- 2018
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39. Association of History of Gestational Diabetes With Long-term Cardiovascular Disease Risk in a Large Prospective Cohort of US Women.
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Tobias DK, Stuart JJ, Li S, Chavarro J, Rimm EB, Rich-Edwards J, Hu FB, Manson JE, and Zhang C
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- Adult, Female, Healthy Lifestyle, Humans, Pregnancy, Prospective Studies, Risk Factors, Surveys and Questionnaires, United States epidemiology, Weight Gain, Cardiovascular Diseases epidemiology, Cardiovascular Diseases prevention & control, Diabetes, Gestational epidemiology
- Abstract
Importance: Previous studies identify gestational diabetes (GD) as a risk factor for intermediate markers of cardiovascular disease (CVD) risk; however, few are prospective, evaluate hard CVD end points, or account for shared risk factors including body weight and lifestyle., Objective: To prospectively evaluate history of GD in relation to incident CVD risk., Design, Setting, and Participants: The Nurses' Health Study II (NHS II) is an observational cohort study of US female nurses established in 1989, with ongoing follow-up. Biennial questionnaires updated behavioral characteristics, health outcomes, and lifestyle factors. Multivariable Cox models estimated the hazard ratio (HR) and 95% CI for CVD risk. We included 89 479 women who reported at least 1 pregnancy and were free of CVD and cancer at baseline. Follow-up through May 31, 2015, was complete for more than 90% of eligible participants., Exposures: History of GD was self-reported at baseline (1989) via questionnaire and updated every 2 years., Main Outcomes and Measures: We observed 1161 incident self-reported nonfatal or fatal myocardial infarction or stroke, confirmed via medical records., Results: Participants had a mean (SD) age of 34.9 (4.7) years. Adjusting for age, prepregnancy body mass index, and other covariates, GD vs no GD was associated with subsequent CVD (HR, 1.43; 95% CI, 1.12-1.81). Additional adjustment for weight gain since pregnancy and updated lifestyle factors attenuated the association (HR, 1.29; 95% CI, 1.01-1.65). Classifying GD by progression to T2D in relation to CVD risk indicated a positive association for GD with progression to T2D vs no GD or T2D (HR, 4.02; 95% CI, 1.94-8.31), and an attenuated relationship for GD only (HR, 1.30; 95% CI, 0.99-1.71)., Conclusions and Relevance: Gestational diabetes was positively associated with CVD later in life, although the absolute rate of CVD in this younger cohort of predominantly white women was low. This relationship is possibly mediated in part by subsequent weight gain and lack of healthy lifestyle.
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- 2017
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40. A Novel, Economical Way to Assess Virulence in Field Populations of Hessian Fly (Diptera: Cecidomyiidae) Utilizing Wheat Resistance Gene H13 as a Model.
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Johnson AJ, Abdel Moniem HEM, Flanders KL, Buntin GD, Reay-Jones FPF, Reisig D, Stuart JJ, Subramanyam S, Shukle RH, and Schemerhorn BJ
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- Animals, Male, Polymerase Chain Reaction, Southeastern United States, Antibiosis, Diptera genetics, Herbivory, Insect Proteins genetics, Triticum physiology
- Abstract
Mayetiola destructor (Say) is a serious pest of wheat, Triticum aestivum L., in North America, North Africa, and Central Asia. Singly deployed resistance genes in wheat cultivars have provided effective management of Hessian fly populations for >50 yr. Thirty-five H genes have been documented. Defense mediated by the H gene constitutes strong selection on the Hessian fly population, killing 100% of larvae. A mutation in a matching Hessian fly avirulence gene confers virulence to the H gene, leading to survival on the resistant plant. As the frequency of virulence rises in the population, the H gene loses its effectiveness for pest management. Knowing the frequency of virulence in the population is not only important for monitoring but also for decisions about which H gene should be deployed in regional wheat breeding programs. Here, we present a novel assay for detecting virulence in the field. Hessian fly males were collected in Alabama, Georgia, North Carolina, and South Carolina using sticky traps baited with Hessian fly sex pheromone. Utilizing two PCR reactions, diagnostic molecular markers for the six alleles controlling avirulence and virulence to H13 can be scored based on band size. Throughout the southeast, all three avirulence and three virulence alleles can be identified. In South Carolina, the PCR assay was sensitive enough to detect the spread of virulence into two counties previously documented as 100% susceptible to H13. The new assay also indicates that the previous methods overestimated virulence in the field owing to scoring of the plant instead of the insect., (Published by Oxford University Press on behalf of Entomological Society of America 2017. This work is written by US Government employees and is in the public domain in the US.)
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- 2017
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41. Posterolateral portal tibial tunnel drilling for posterior cruciate ligament reconstruction: technique and evaluation of safety and tunnel position.
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Alentorn-Geli E, Stuart JJ, James Choi JH, Toth AP, Moorman CT 3rd, and Taylor DC
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- Aged, Aged, 80 and over, Anterior Cruciate Ligament anatomy & histology, Cadaver, Female, Femur, Gracilis Muscle anatomy & histology, Humans, Male, Menisci, Tibial anatomy & histology, Middle Aged, Peroneal Nerve anatomy & histology, Popliteal Artery, Posterior Cruciate Ligament anatomy & histology, Tendons anatomy & histology, Tibia anatomy & histology, Posterior Cruciate Ligament surgery, Posterior Cruciate Ligament Reconstruction methods, Tibia surgery
- Abstract
Purpose: To evaluate the safety for neurovascular structures and accuracy for tunnel placement of the posterolateral portal tibial tunnel drilling technique in posterior cruciate ligament (PCL) reconstruction., Methods: Fifteen fresh-frozen human cadaveric knees were used. The tibial tunnel for the PCL was created using a flexible reamer from the posterolateral portal. Then, the flexible pin was left in place, and the distance from the posterolateral portal, the flexible pin, and the tibial tunnel to the peroneal nerve and popliteal artery was measured. Additionally, the distance between the tibial tunnel and several landmarks related to the PCL footprint was measured, along with the distance from the exit point of the flexible pin to the superficial medial collateral ligament and gracilis tendon., Results: The peroneal nerve and the popliteal neurovascular bundle were not damaged in any of the specimens. The median (range) distance in mm from the peroneal nerve and popliteal artery to the posterolateral portal and flexible pin was: 52 (40-80) and 50 (40-61), and 35 (26-51) and 22 (16-32), respectively. The median (range) distance from the tibial tunnel to the popliteal artery was 21 mm (15-38). The tibial tunnel was located at a median (range) distance in mm of 3 (2-6), 6 (3-12), 5 (2-7), 4 (1-8), 9 (3-10), 10 (4-19), and 19 (6-24) to the champagne-glass drop-off, lateral cartilage point, shiny white fibre point, medial groove, medial meniscus posterior root, lateral meniscus posterior root, and posterior aspect of the anterior cruciate ligament, respectively., Conclusions: The posterolateral portal tibial tunnel technique is safe relative to neurovascular structures and creates an anatomically appropriate tibial tunnel location. The clinical relevance of study is that this technique may be safely and accurately used in PCL reconstruction to decrease the risk of neurovascular damage (avoid use of a posteriorly directed pin), avoid the use of intraoperative fluoroscopy, and avoid the sharp turn during graft passage.
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- 2017
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42. Vitamin D supplementation and growth in urban Mongol school children: Results from two randomized clinical trials.
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Ganmaa D, Stuart JJ, Sumberzul N, Ninjin B, Giovannucci E, Kleinman K, Holick MF, Willett WC, Frazier LA, and Rich-Edwards JW
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- Adolescent, Child, Double-Blind Method, Female, Humans, Male, Mongolia, Placebos, Vitamin D blood, Growth, Urban Population, Vitamin D administration & dosage
- Abstract
Background: Symptomatic vitamin D deficiency is associated with slowed growth in children. It is unknown whether vitamin D repletion in children with asymptomatic serum vitamin D deficiency can restore normal growth., Objective: We tested the impact of vitamin D-supplementation on serum concentrations of 25-hydroxyvitamin D [25(OH)D] and short-term growth in Mongol children, with very low serum vitamin D levels in winter., Design: We conducted two randomized, double-blind, placebo-controlled trials in urban school age children without clinical signs of rickets. The Supplementation Study was a 6-month intervention with an 800 IU vitamin D3 supplement daily, compared with placebo, in 113 children aged 12-15 years. A second study, the Fortification Study, was a 7-week intervention with 710 ml of whole milk fortified with 300 IU vitamin D3 daily, compared with unfortified milk, in 235 children aged 9-11 years., Results: At winter baseline, children had low vitamin D levels, with a mean (±SD) serum 25-hydroxyvitamin D [25(OH)D] concentration of 7.3 (±3.9) ng/ml in the Supplementation Study and 7.5 (±3.8) ng/ml in the Fortification Study. The serum levels increased in both vitamin D groups-by 19.8 (±5.1) ng/ml in the Supplementation Study, and 19.7 (±6.1) ng/ml in the Fortification Study. Multivariable analysis showed a 0.9 (±0.3 SE) cm greater increase in height in the vitamin-D treated children, compared to placebo treated children, in the 6-month Supplementation Study (p = 0.003). Although the children in the 7-week Fortification Study intervention arm grew 0.2 (±0.1) cm more, on average, than placebo children this difference was not statistically significant (p = 0.2). There were no significant effects of vitamin D supplements on differences in changes in weight or body mass index in either trial. For the Fortification Study, girls gained more weight than boys while taking vitamin D 3 (p-value for interaction = 0.03), but sex was not an effect modifier of the relationship between vitamin D3 and change in either height or BMI in either trial., Conclusions: Correcting vitamin D deficiency in children with very low serum vitamin D levels using 800 IU of vitamin D3 daily for six months increased growth, at least in the short-term, whereas, in a shorter trial of 300 IU of D fortified milk daily for 7 weeks did not.
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- 2017
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43. Preterm Delivery and Maternal Cardiovascular Disease in Young and Middle-Aged Adult Women.
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Tanz LJ, Stuart JJ, Williams PL, Rimm EB, Missmer SA, Rexrode KM, Mukamal KJ, and Rich-Edwards JW
- Subjects
- Adult, Female, Humans, Pregnancy, Premature Birth, Risk Factors, Cardiovascular Diseases epidemiology
- Abstract
Background: Preterm delivery has been shown to be associated with increased risk of cardiovascular disease (CVD), but it is unknown whether this risk remains after adjustment for prepregnancy lifestyle and CVD risk factors., Methods: We examined the association between history of having delivered an infant preterm (<37 weeks) and CVD in 70 182 parous women in the Nurses' Health Study II. Multivariable Cox proportional-hazards models were used to estimate hazards ratios (HRs) and 95% confidence intervals (CIs) for CVD events (myocardial infarction and stroke, n=949); we also adjusted for intermediates to determine the proportion of the association between preterm and CVD accounted for by postpartum development of CVD risk factors., Results: After adjusting for age, race, parental education, and prepregnancy lifestyle and CVD risk factors, preterm delivery in the first pregnancy was associated with an increased risk of CVD (HR, 1.42; 95% CI, 1.16-1.72) in comparison with women with a term delivery (≥37 weeks) in the first pregnancy. When preterm delivery was split into moderate preterm (≥32 to <37 weeks) and very preterm (<32 weeks), the HRs were 1.22 (95% CI, 0.96-1.54) and 2.01 (95% CI, 1.47-2.75), respectively. The increased rate of CVD in the very preterm group persisted even among women whose first pregnancy was not complicated by hypertensive disorders of pregnancy (HR, 2.01; 95% CI, 1.38-2.93). In comparison with women with at least 2 pregnancies, all of which were delivered at term, women with a preterm first birth and at least 1 later preterm birth had a HR of CVD of 1.65 (95% CI, 1.20-2.28). The association between moderate preterm first birth and CVD was accounted for in part by the development of postpartum chronic hypertension, hypercholesterolemia, type 2 diabetes mellitus, and changes in body mass index (proportion accounted for, 14.5%; 95% CI, 4.0-41.1), as was the very-preterm-CVD relationship (13.1%; 95% CI, 9.0-18.7)., Conclusions: Preterm delivery is independently predictive of CVD and may be useful for CVD prevention efforts. Because only a modest proportion of the preterm-CVD association was accounted for by development of conventional CVD risk factors, further research may identify additional pathways., (© 2017 American Heart Association, Inc.)
- Published
- 2017
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44. Inside-Out or Outside-In Suturing Should Not Be Considered the Standard Repair Method for Radial Tears of the Midbody of the Lateral Meniscus: A Systematic Review and Meta-Analysis of Biomechanical Studies.
- Author
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Alentorn-Geli E, Choi JH, Stuart JJ, Toth AP, Garrett WE, Taylor DC, and Moorman CT 3rd
- Subjects
- Biomechanical Phenomena, Humans, Knee Injuries physiopathology, Menisci, Tibial physiopathology, Suture Techniques, Tibial Meniscus Injuries physiopathology, Knee Injuries surgery, Menisci, Tibial surgery, Tibial Meniscus Injuries surgery
- Abstract
The purpose was to evaluate which meniscal repair technique for radial tears of the midbody of the lateral meniscus demonstrates the best biomechanical properties. An electronic literature search was conducted using PubMed, EMBASE, CINAHL, and ScienceDirect databases. Biomechanical studies investigating the repair characteristics of radial tears in the midbody of the lateral meniscus were included. After appropriate screening, a total of 54 studies were reviewed in detail (full text), and 6 met inclusion criteria. The most common cause of exclusion was the investigation of longitudinal tears. Only two studies could be meta-analyzed. Stiffness was significantly higher for all-inside compared with inside-out repair techniques ( p = 0.0009). No significant differences were observed between both suture methods for load to failure ( p = 0.45). However, both studies used different all-inside devices and suture constructs. No clear conclusions can be drawn from the comparison of both types of repairs for displacement, site of failure, or contact pressure changes. Overall, there are no conclusive data to suggest that inside-out or outside-in suture repair has better load to failure or stiffness, less displacement, or different site of failure compared with all-inside repair. According to biomechanical data, it is under surgeon's preference to elect one repair technique over the other., (Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.)
- Published
- 2016
- Full Text
- View/download PDF
45. Improving the postpartum care of women with a recent history of preeclampsia: a focus group study.
- Author
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Skurnik G, Roche AT, Stuart JJ, Rich-Edwards J, Tsigas E, Levkoff SE, and Seely EW
- Subjects
- Adult, Female, Focus Groups, Humans, Life Style, Pregnancy, Risk Assessment, Risk Factors, Cardiovascular Diseases etiology, Postnatal Care standards, Pre-Eclampsia diagnosis
- Abstract
Objective: Women with prior preeclampsia are at increased risk of cardiovascular disease (CVD). This study investigated barriers and facilitators toward learning about this link and engaging in lifestyle modifications to reduce this risk., Methods: Four focus groups were held with 14 women within 6 months of a preeclamptic pregnancy., Results: Participants were unaware of the link between preeclampsia and CVD, suggested improvements to provider-patient communication, and discussed the benefits of social support and online tracking (weight, blood pressure) in making lifestyle modifications., Conclusions: Solutions offered may improve efforts to modify lifestyle and communication between providers and women about this link.
- Published
- 2016
- Full Text
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46. Preeclampsia and Vascular Function: A Window to Future Cardiovascular Disease Risk.
- Author
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Enkhmaa D, Wall D, Mehta PK, Stuart JJ, Rich-Edwards JW, Merz CN, and Shufelt C
- Subjects
- Adult, Blood Pressure physiology, Cardiovascular Diseases physiopathology, Female, Humans, Hypertension diagnosis, Manometry, Pregnancy, Risk Factors, Severity of Illness Index, Cardiovascular Diseases etiology, Endothelium, Vascular physiopathology, Hypertension complications, Placenta physiopathology, Pre-Eclampsia
- Abstract
Preeclampsia affects ∼3%-7% of all pregnancies and is the third leading cause of maternal mortality globally. Growing evidence indicates that preeclampsia results from vascular dysfunction, which also increases the risk for future cardiovascular events. Until recently, preeclampsia was considered a disorder limited to pregnancy, which fully resolved with the delivery of the placenta; however, it is now clear that women with a history of preeclampsia have approximately double the risk of future cardiovascular events compared to women with normotensive pregnancies. The aims of this review were to describe the hemodynamic and vascular changes that occur in normal and preeclamptic pregnancies, to review noninvasive methods to test vascular function, and to discuss the associated increased cardiovascular disease risk related to preeclampsia.
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- 2016
- Full Text
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47. Avirulence gene mapping in the Hessian fly (Mayetiola destructor) reveals a protein phosphatase 2C effector gene family.
- Author
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Zhao C, Shukle R, Navarro-Escalante L, Chen M, Richards S, and Stuart JJ
- Subjects
- Animals, Chromosome Mapping, Crosses, Genetic, Diptera pathogenicity, Female, Genes, Insect, Genes, Recessive, Genes, X-Linked, Male, Phosphoprotein Phosphatases metabolism, Plant Immunity genetics, Plant Proteins genetics, Plant Tumors genetics, Plant Tumors parasitology, Protein Phosphatase 2C, Telomere, Triticum immunology, Virulence genetics, Diptera genetics, Genes, Plant, Host-Parasite Interactions genetics, Phosphoprotein Phosphatases genetics, Plant Proteins metabolism, Triticum parasitology
- Abstract
The genetic tractability of the Hessian fly (HF, Mayetiola destructor) provides an opportunity to investigate the mechanisms insects use to induce plant gall formation. Here we demonstrate that capacity using the newly sequenced HF genome by identifying the gene (vH24) that elicits effector-triggered immunity in wheat (Triticum spp.) seedlings carrying HF resistance gene H24. vH24 was mapped within a 230-kb genomic fragment near the telomere of HF chromosome X1. That fragment contains only 21 putative genes. The best candidate vH24 gene in this region encodes a protein containing a secretion signal and a type-2 serine/threonine protein phosphatase (PP2C) domain. This gene has an H24-virulence associated insertion in its promoter that appears to silence transcription of the gene in H24-virulent larvae. Candidate vH24 is a member of a small family of genes that encode secretion signals and PP2C domains. It belongs to the fraction of genes in the HF genome previously predicted to encode effector proteins. Because PP2C proteins are not normally secreted, our results suggest that these are PP2C effectors that HF larvae inject into wheat cells to redirect, or interfere, with wheat signal transduction pathways., (Copyright © 2015 Elsevier Ltd. All rights reserved.)
- Published
- 2016
- Full Text
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48. Rotator cuff tears in young patients: a different disease than rotator cuff tears in elderly patients.
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Lazarides AL, Alentorn-Geli E, Choi JH, Stuart JJ, Lo IK, Garrigues GE, and Taylor DC
- Subjects
- Age Factors, Arthroscopy, Cumulative Trauma Disorders complications, Humans, Patient Satisfaction, Return to Sport, Return to Work, Rotator Cuff surgery, Rotator Cuff Injuries
- Abstract
Background: The purpose of this study was to conduct a systematic review of the literature to evaluate the characteristics of injury and treatment outcomes of rotator cuff tears in young patients., Methods: A systematic electronic search was performed for clinical studies evaluating rotator cuff tears in patients younger than 40 years with special emphasis on reporting of injury characteristics and treatment outcomes with a minimum 1-year follow-up., Results: Twelve studies (involving 336 patients) met inclusion criteria. The mean age of the patients was 28 years (range, 16-40 years), with a mean follow-up of 39 months. There were 2 distinct subgroups. The majority of studies (7 of 10) showed that patients typically had a full-thickness tear with an acute traumatic etiology. However, within the subgroup of elite throwers, 5 of 6 studies demonstrated a majority of tears that were partial thickness stemming from chronic overuse. Rotator cuff repair improved pain and strength in almost all studies reporting on these parameters. Eighty-seven percent of patients reported they were satisfied. However, all studies examining elite throwers showed significant difficulty in returning to play (25%-97%)., Conclusions: In young patients with rotator cuff tears, there are 2 primary groups. (1) A majority group with rotator cuff tears of traumatic origin responded well to both arthroscopic and open rotator cuff repair in terms of pain relief and self-reported outcomes postoperatively. These patients reported high levels of satisfaction and return to preinjury level of play. (2) A unique subpopulation composed of elite throwers had improved outcomes but suboptimal return to play., (Copyright © 2015 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.)
- Published
- 2015
- Full Text
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49. Inside-Out Antegrade Tibial Tunnel Drilling Through the Posterolateral Portal Using a Flexible Reamer in Posterior Cruciate Ligament Reconstruction.
- Author
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Alentorn-Geli E, Stuart JJ, Choi JH, Toth AP, Moorman CT 3rd, and Taylor DC
- Abstract
Posterior cruciate ligament (PCL) reconstruction using the transtibial drilling or arthroscopic tibial-inlay technique has a risk of injury to the popliteal neurovascular bundle because a pin is drilled anterior to posterior. Intraoperative fluoroscopy is used to decrease the risk of neurovascular injury. In addition, graft passage in the transtibial technique may be problematic because of a sharp turn when placing the graft into the tibial tunnel, which may damage graft fibers. In the surgical technique described in this report, the posteromedial portal is used for visualization and the posterolateral portal is used for debridement of the PCL tibial footprint and the synovial fold closest to the PCL. A curved guide is placed from the posterolateral portal to the tibial footprint, and a flexible pin is drilled across the tibia. The tibial tunnel is then created using a flexible reamer under direct visualization up to the desired length, and a graft can be positioned in the tibial tunnel through the posterolateral portal. This technique has the potential advantages of decreasing the risk of injury to the popliteal neurovascular bundle (use of anteriorly directed, inside-out drilling), avoiding a sharp turn during graft passage, and allowing accurate and anatomic tibial tunnel placement without intraoperative fluoroscopy.
- Published
- 2015
- Full Text
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50. Pregnancy Complications as Markers for Subsequent Maternal Cardiovascular Disease: Validation of a Maternal Recall Questionnaire.
- Author
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Carter EB, Stuart JJ, Farland LV, Rich-Edwards JW, Zera CA, McElrath TF, and Seely EW
- Subjects
- Adult, Biomarkers blood, Cardiovascular Diseases blood, Diabetes, Gestational blood, Female, Humans, Hypertension, Pregnancy-Induced blood, Pilot Projects, Practice Guidelines as Topic, Pregnancy, Pregnancy Complications, Pregnancy Outcome, Reproducibility of Results, Sensitivity and Specificity, Cardiovascular Diseases epidemiology, Diabetes, Gestational epidemiology, Hypertension, Pregnancy-Induced epidemiology, Mental Recall, Surveys and Questionnaires standards
- Abstract
Background: We designed and tested the validity of a questionnaire to characterize maternal recall of pregnancy complications associated with increased future cardiovascular disease risk, based on the 2011 American Heart Association (AHA) guidelines., Methods: A maternal recall questionnaire of pregnancy history was administered to 971 patients who had participated in a previous cohort study of 1,608 pregnant women. Medical records from the study pregnancy served as the gold standard. Prevalence, sensitivity (sens), specificity (spec), positive predictive value (PPV), negative predictive value (NPV), and/or Spearman's correlation coefficients (r) were calculated for each question., Results: A total of 526 (54%) individuals recontacted responded. Respondents were more likely to be older, white, educated, and nulliparous and were less likely to deliver low-birthweight infants in the study pregnancy than were individuals who did not respond. Mean length of recall was 4.35 years (standard deviation [SD] 0.46) postpartum. Maternal recall was most accurate for gestational diabetes (sens: 92%, spec: 98%, PPV: 79%, NPV: 99%), infant birthweight (r=0.95), and gestation length (r=0.85). Maternal recall was modest for preeclampsia (sens: 79%, spec: 97%, PPV: 68%, NPV: 98%) and pregnancy-associated hypertension, including preeclampsia or gestational hypertension (sens: 60%, spec: 95%, PPV: 64%, NPV: 94%)., Conclusions: This validation study demonstrated that the majority of women could accurately recall a history of gestational diabetes, infant birthweight, and gestational age at delivery, 4 years postpartum on average. Recall of preeclampsia and pregnancy-associated hypertension overall was modest. Maternal report of these pregnancy conditions may help clinicians identify women at increased risk for cardiovascular disease.
- Published
- 2015
- Full Text
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