46 results on '"Vinter, Christina A"'
Search Results
2. Hypoglycemia in Pregnancies Following Gastric Bypass—a Systematic Review and Meta-analysis
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Stentebjerg, Louise L., Madsen, Lene R., Støving, René K., Juhl, Claus B., Vinter, Christina A., Andersen, Lise Lotte T., Renault, Kristina, and Jensen, Dorte M.
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- 2022
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3. Effects of race and ethnicity on perinatal outcomes in high-income and upper-middle-income countries: an individual participant data meta-analysis of 2 198 655 pregnancies
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Abdollahain, Mali, Savitri, Ary I., Salvesen, Kjell Åsmund, Bhattacharya, Sohinee, Uiterwaal, Cuno S.P.M., Staff, Annetine C., Andersen, Louise Bjoerkholt, Olive, Elisa Llurba, Daskalakis, George, Macleod, Maureen, Thilaganathan, Baskaran, Ramírez, Javier Arenas, Massé, Jacques, Audibert, Francois, Magnus, Per Minor, Sletner, Line, Baschat, Ahmet, Ohkuchi, Akihide, McAuliffe, Fionnuala M., West, Jane, Askie, Lisa M., Mone, Fionnuala, Farrar, Diane, Zimmerman, Peter A., Smits, Luc J.M., Riddell, Catherine, Kingdom, John C., van de Post, Joris, Illanes, Sebastián E., Holzman, Claudia, van Kuijk, Sander M.J., Carbillon, Lionel, Villa, Pia M., Eskild, Anne, Chappell, Lucy, Prefumo, Federico, Velauthar, Luxmi, Seed, Paul, van Oostwaard, Miriam, Verlohren, Stefan, Poston, Lucilla, Ferrazzi, Enrico, Vinter, Christina A., Nagata, Chie, Brown, Mark, Vollebregt, Karlijn C., Takeda, Satoru, Langenveld, Josje, Widmer, Mariana, Saito, Shigeru, Haavaldsen, Camilla, Carroli, Guillermo, Olsen, Jørn, Wolf, Hans, Zavaleta, Nelly, Eisensee, Inge, Vergani, Patrizia, Lumbiganon, Pisake, Makrides, Maria, Facchinetti, Fabio, Sequeira, Evan, Gibson, Robert, Ferrazzani, Sergio, Frusca, Tiziana, Figueiró-Filho, Ernesto A., Lapaire, Olav, Laivuori, Hannele, Lykke, Jacob A., Conde-Agudelo, Agustin, Galindo, Alberto, Mbah, Alfred, Betran, Ana Pilar, Herraiz, Ignacio, Trogstad, Lill, Smith, Gordon G.S., Steegers, Eric A.P., Salim, Read, Huang, Tianhua, Adank, Annemarijne, Zhang, Jun, Meschino, Wendy S., Browne, Joyce L., Allen, Rebecca E., Da Silva Costa, Fabricio, Klipstein-Grobusch, Kerstin, Jørgensen, Jan Stener, Forest, Jean-Claude, Rumbold, Alice R., Mol, Ben W., Giguère, Yves, Ganzevoort, Wessel, Odibo, Anthony O., Myers, Jenny, Yeo, SeonAe, Teede, Helena J., Goffinet, Francois, McCowan, Lesley, Pajkrt, Eva, Haddad, Bassam G., Dekker, Gustaaf, Kleinrouweler, Emily C., LeCarpentier, Édouard, Roberts, Claire T., Groen, Henk, Skråstad, Ragnhild Bergene, Heinonen, Seppo, Eero, Kajantie, Kenny, Louise C., Anggraini, Dewi, Souka, Athena, Cecatti, Jose, Monterio, Ilza, Coomarasamy, Arri, Smuk, Melanie, Pillalis, Athanasios, Crovetto, Francesca, Souza, Renato, Ann Hawkins, Lee, Gabbay- Benziv, Rinat, Riley, Richard, Snell, Kym, Archer, Lucinda, Figuera, Francesc, van Gelder, Marleen, Sheikh, Jameela, Allotey, John, Kew, Tania, Fernández-Félix, Borja M, Zamora, Javier, Khalil, Asma, and Thangaratinam, Shakila
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- 2022
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4. Cardiovascular and metabolic morbidity in women with previous gestational diabetes mellitus: a nationwide register-based cohort study
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Christensen, Maria Hornstrup, Rubin, Katrine Hass, Petersen, Tanja Gram, Nohr, Ellen Aagaard, Vinter, Christina Anne, Andersen, Marianne Skovsager, and Jensen, Dorte Moeller
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- 2022
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5. An umbrella review of systematic reviews on interventions of physical activity before pregnancy, during pregnancy, and postpartum to control and/or reduce weight gain.
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Grau González, Andrea, Sánchez del Pino, Ana, Amezcua‐Prieto, Carmen, Møller Luef, Birgitte, Anne Vinter, Christina, Stener Jorgensen, Jan, and García‐Valdés, Luz
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- 2024
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6. Barriers to a healthy postpartum lifestyle and the possibilities of an information technology-based intervention: A qualitative study
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Christiansen, Pernille Kjærgaard, Skjøth, Mette Maria, Lorenzen, Line Elberg, Draborg, Eva, Vinter, Christina Anne, Kjær, Trine, and Rothmann, Mette Juel
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- 2021
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7. Body mass index z‐scores in the first 2 years of life were associated with adverse metabolic and anthropometric outcomes at 3 years of age.
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Jakobsen, Mikala E., Stentebjerg, Louise L., Tanvig, Mette H., Jørgensen, Jan S., Ovesen, Per G., Christesen, Henrik T., Jensen, Dorte M., and Vinter, Christina A.
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BODY mass index ,FAT ,AGE ,UNIVERSITY hospitals - Abstract
Aim: We investigated associations between body mass index (BMI) z‐scores for children aged 0–2 years and the BMI z‐scores, body fat percentage and metabolic risk factors at 3 years of age. Methods: This was a secondary analysis of the Lifestyle in Pregnancy and Offspring randomised controlled trial, carried out at two university hospitals in Denmark. It comprised 149 mothers with BMI ≥30 kg/m2 who did or did not receive a lifestyle intervention during pregnancy and a reference group of 97 mothers with normal‐weight, with follow‐up of their 3‐year‐old offspring. The children in these three groups were pooled for the data analyses, due to similar characteristics between groups. The BMI z‐scores were calculated at 5 weeks, 5 months and 1, 2 and 3 years, using Danish reference groups. Their anthropometrics and metabolic outcomes were examined at 3 years of age. Results: BMI z‐scores at 5 months to 2 years were associated with BMI z‐scores and body fat percentage at 3 years of age and BMI z‐scores were not associated with metabolic risk factors at 3 years. Conclusion: BMI z‐scores from 5 weeks of age were associated with adverse anthropometric outcomes but not with metabolic risk factors at 3 years of age. [ABSTRACT FROM AUTHOR]
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- 2024
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8. The effects of dietary and lifestyle interventions among pregnant women with overweight or obesity on early childhood outcomes: an individual participant data meta-analysis from randomised trials
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Louise, Jennie, Poprzeczny, Amanda J., Deussen, Andrea R., Vinter, Christina, Tanvig, Mette, Jensen, Dorte Moller, Bogaerts, Annick, Devlieger, Roland, McAuliffe, Fionnuala M., Renault, Kristina M., Carlsen, Emma, Geiker, Nina, Poston, Lucilla, Briley, Annette, Thangaratinam, Shakila, and Dodd, Jodie M.
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- 2021
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9. Systematically developing a family-based health promotion intervention for women with prior gestational diabetes based on evidence, theory and co-production: the Face-it study
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Maindal, Helle Terkildsen, Timm, Anne, Dahl-Petersen, Inger Katrine, Davidsen, Emma, Hillersdal, Line, Jensen, Nanna Husted, Thøgersen, Maja, Jensen, Dorte Møller, Ovesen, Per, Damm, Peter, Kampmann, Ulla, Vinter, Christina Anne, Mathiesen, Elisabeth Reinhardt, and Nielsen, Karoline Kragelund
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- 2021
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10. Kidney Disease in Women With Previous Gestational Diabetes Mellitus: A Nationwide Register-Based Cohort Study.
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Christensen, Maria Hornstrup, Bistrup, Claus, Rubin, Katrine Hass, Nohr, Ellen Aagaard, Vinter, Christina Anne, Andersen, Marianne Skovsager, Möller, Sören, and Jensen, Dorte Moeller
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GESTATIONAL diabetes ,KIDNEY diseases ,METABOLIC disorders ,DISEASE risk factors ,COHORT analysis - Abstract
OBJECTIVE: The association between gestational diabetes mellitus (GDM) and incident kidney disease, the mediating effects of diabetes and hypertension, and the impact of severity of metabolic dysfunction during pregnancy on the risk of incident kidney disease were investigated in this study. RESEARCH DESIGN AND METHODS: This Danish, nationwide, register-based cohort study included all women giving birth between 1997 and 2018. Outcomes included chronic kidney disease (CKD) and acute kidney disease, based on diagnosis codes. Cox regression analyses explored the association between GDM and kidney disease. A proxy for severity of metabolic dysfunction during pregnancy was based on GDM diagnosis and insulin treatment during GDM in pregnancy and was included in the models as an interaction term. The mediating effects of subsequent diabetes and hypertension prior to kidney disease were quantified using mediation analyses. RESULTS: Data from 697,622 women were used. Median follow-up was 11.9 years. GDM was associated with higher risk of CKD (adjusted hazard ratio [aHR] 1.92; 95% CI 1.67–2.21), whereas acute kidney disease was unrelated to GDM. The proportions of indirect effects of diabetes and hypertension on the association between GDM and CKD were 75.7% (95% CI 61.8–89.6) and 30.3% (95% CI 25.2–35.4), respectively, as assessed by mediation analyses. The CKD risk was significantly increased in women with insulin-treated GDM and no subsequent diabetes compared with women without GDM (aHR 2.35; 95% CI 1.39–3.97). CONCLUSIONS: The risk of CKD was significantly elevated after GDM irrespective of subsequent development of diabetes and hypertension. Furthermore, women with severe metabolic dysfunction during pregnancy had the highest CKD risk. [ABSTRACT FROM AUTHOR]
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- 2024
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11. Validation of Obstetric Diagnosis and Procedure Codes in the Danish National Patient Registry in 2017.
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Herskind, Kamille, Jensen, Peter Bjødstrup, Vinter, Christina Anne, Krebs, Lone, Eskildsen, Lene Friis, Broe, Anne, Pottegård, Anton, and Bliddal, Mette
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MEDICAL registries ,PREECLAMPSIA ,CESAREAN section ,DIAGNOSIS ,INDUCED labor (Obstetrics) ,CHILDBIRTH - Abstract
Purpose: This study aimed to systematically evaluate the validity of variables related to pregnancy, delivery, and key characteristics of the infant in the Danish National Patient Register using maternal medical records as the reference standard. Patients and Methods: We reviewed medical records of 1264 women giving birth in the Region of Southern Denmark during 2017. We calculated positive (PPV) and negative (NPV) predictive values, sensitivity, and specificity to estimate the validity of 49 selected variables. Results: The PPV was ≥ 0.90 on most pregnancy-related variables including parity, pre-gestational BMI, diabetes disorders, and previous cesarean section, while it was lower for hypertensive disorders, especially mild to moderate preeclampsia (0.49, 95% CI 0.32– 0.66). Sensitivity ranged from 0.80 to 1.00 on all pregnancy-related variables, except hypertensive disorders (sensitivity 0.38– 0.71, lowest for severe preeclampsia). On most delivery-related variables including obstetric surgical procedures (eg cesarean section and induction of labor), pharmacological pain-relief, and gestational age at delivery, PPV's ranged from 0.98 to 1.00 and the corresponding sensitivities from 0.87 to 1.00. Regarding infant-related variables, both the APGAR score registered five minutes after delivery and birthweight yielded a PPV of 1.00. Conclusion: Obstetric coding in the Danish National Patient Register shows very high validity and completeness making it a valuable source for epidemiologic research. Plain Language Summary: Danish register data are often used for epidemiological research in reproduction. The registers are based on coded information to the registers based on information from medical records. The quality of the register data is highly dependent of the validity of the codes. Yet there is a lack in our knowledge of the validity of data related to pregnancy, childbirth, and the characteristics of the newborn baby. We therefore aimed to validate the Danish National Patient Registry data related to pregnancy and childbirth by comparing the registered code with information from the medical records. We scrutinized medical records from 1264 women giving birth in the Region of Southern Denmark during 2017. We compared the registration in the medical record with the registered code in the Danish National Patient Registry by calculating how accurate the register data are according to 49 different variables. Results showed that registered codes in the Patient Registry for pregnancy- and childbirth-related conditions and key infant characteristics were to a high degree in agreement with the data from the medical report with few exceptions. In conclusion, the study revealed that the Danish National Patient Register provides highly accurate and comprehensive data for most pregnancy, delivery, and infant-related variables. This underscores the register's value as a reliable source for epidemiologic research in reproductive health. [ABSTRACT FROM AUTHOR]
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- 2024
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12. Effectiveness of fetal scalp stimulation test in assessing fetal wellbeing during labor, a retrospective cohort study
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Shakouri, Farzaneh, Iorizzo, Linda, Edwards, Hellen Mc Kinnon, Vinter, Christina Anne, Kristensen, Karl, Isberg, Per-Erik, and Wiberg, Nana
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- 2020
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13. Lifestyle interventions to maternal weight loss after birth: a systematic review
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Christiansen, Pernille Kjaergaard, Skjøth, Mette Maria, Rothmann, Mette Juel, Vinter, Christina Anne, Lamont, Ronald Francis, and Draborg, Eva
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- 2019
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14. Gestational weight gain outside the Institute of Medicine recommendations and adverse pregnancy outcomes: analysis using individual participant data from randomised trials
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Rogozińska, Ewelina, Zamora, Javier, Marlin, Nadine, Betrán, Ana Pilar, Astrup, Arne, Bogaerts, Annick, Cecatti, Jose G., Dodd, Jodie M., Facchinetti, Fabio, Geiker, Nina R. W., Haakstad, Lene A. H., Hauner, Hans, Jensen, Dorte M., Kinnunen, Tarja I., Mol, Ben W. J., Owens, Julie, Phelan, Suzanne, Renault, Kristina M., Salvesen, Kjell Å., Shub, Alexis, Surita, Fernanda G., Stafne, Signe N., Teede, Helena, van Poppel, Mireille N. M., Vinter, Christina A., Khan, Khalid S., Thangaratinam, Shakila, and for the International Weight Management in Pregnancy (i-WIP) Collaborative Group
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- 2019
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15. Psychiatric Morbidity in Women With Previous Gestational Diabetes Mellitus: A Nationwide Register-Based Cohort Study.
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Christensen, Maria Hornstrup, Andersen, Marianne Skovsager, Rubin, Katrine Hass, Nohr, Ellen Aagaard, Aalders, Jori, Vinter, Christina Anne, and Jensen, Dorte Moeller
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GESTATIONAL diabetes ,PERINATAL mood & anxiety disorders ,MENTAL illness ,COHORT analysis ,BIPOLAR disorder ,PSYCHOSES ,ANXIETY disorders - Abstract
OBJECTIVE: To investigate associations between previous gestational diabetes mellitus (GDM) and incident psychiatric morbidity, and to explore the role of subsequent diabetes development in psychiatric morbidity risk. RESEARCH DESIGN AND METHODS: A nationwide register-based cohort study including all women delivering in Denmark from 1997 to 2018 was conducted. GDM exposure was based on diagnosis code, whereas psychiatric morbidity outcome was based on diagnosis code and psychopharmacological medication use. Multiple Cox regression and mediation analyses were performed. RESULTS: In a study population of 660,017 women, previous GDM was associated with increased risk of depression based on diagnosis code and/or medication use (adjusted hazard ratio [aHR] 1.22 [95% CI 1.18–1.27]), any psychiatric diagnosis (aHR 1.20 [95% CI 1.13–1.27]), and any psychopharmacological medication use (aHR 1.21 [95% CI 1.17–1.25]). Moreover, risk of depressive and anxiety disorders, as well as antidepressant and antipsychotic medication use, was increased, with aHRs ranging from 1.14 (95% CI 1.05–1.25) to 1.32 (95% CI 1.22–1.42). No associations were found regarding substance use disorders, psychotic disorders, bipolar disorders, postpartum psychiatric disease, or anxiolytic medication use. Psychiatric morbidity risk was higher in women with versus without subsequent diabetes development. However, GDM history affected risk estimates only in women without subsequent diabetes. Subsequent diabetes mediated 35–42% of the associations between GDM and psychiatric morbidity. CONCLUSIONS: GDM was associated with increased psychiatric morbidity risk. Subsequent diabetes development played a significant role in future psychiatric morbidity risk after GDM, although it only partly explained the association. [ABSTRACT FROM AUTHOR]
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- 2023
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16. Roux-en-Y Gastric Bypass Increases Glycemic Excursions During Pregnancy and Postpartum: A Prospective Cohort Study.
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Stentebjerg, Louise L., Madsen, Lene R., Støving, René K., Andersen, Lise Lotte T., Vinter, Christina A., Juhl, Claus B., and Jensen, Dorte M.
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GASTRIC bypass ,PREGNANCY ,PREGNANT women ,WEIGHT loss ,COHORT analysis ,LONGITUDINAL method - Abstract
OBJECTIVE: Roux-en-Y gastric bypass (RYGB) and pregnancy markedly alter glucose metabolism, but evidence on glucose metabolism in pregnancy after RYGB is limited. Thus, the aims of the Bariatric Surgery and Consequences for Mother and Baby in Pregnancy study were to investigate interstitial glucose (IG) profiles during pregnancy, risk factors associated with hypoglycemia, and the association between fetal growth and hypoglycemia in pregnant women previously treated with RYGB, compared with control participants. RESEARCH DESIGN AND METHODS: Twenty-three pregnant women with RYGB and 23 BMI- and parity-matched pregnant women (control group) were prospectively studied with continuous glucose monitoring in their first, second, and third trimesters, and 4 weeks postpartum. Time in range (TIR) was defined as time with an IG level of 3.5–7.8 mmol/L. RESULTS: Women with RYGB were 4 years (interquartile range [IQR] 0–7) older than control participants. Pregnancies occurred 30 months (IQR 15–98) after RYGB, which induced a reduction in BMI from 45 kg/m
2 (IQR 42–54) presurgery to 32 kg/m2 (IQR 27–39) prepregnancy. Women with RYGB spent decreased TIR (87.3–89.5% vs. 93.3–96.1%; P < 0.01) owing to an approximately twofold increased time above range and increased time below range (TBR) throughout pregnancy and postpartum compared with control participants. Women with increased TBR had a longer surgery-to-conception interval, lower nadir weight, and greater weight loss after RYGB. Finally, women giving birth to small-for-gestational age neonates experienced slightly increased TBR. CONCLUSIONS: Women with RYGB were more exposed to hypoglycemia and hyperglycemia during pregnancy compared with control participants. Further research should investigate whether hypoglycemia during pregnancy in women with RYGB is associated with decreased fetal growth. [ABSTRACT FROM AUTHOR]- Published
- 2023
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17. Dietary interventions in overweight and obese pregnant women: a systematic review of the content, delivery, and outcomes of randomized controlled trials
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Flynn, Angela C., Dalrymple, Kathryn, Barr, Suzanne, Poston, Lucilla, Goff, Louise M., Rogozińska, Ewelina, van Poppel, Mireille N.M., Rayanagoudar, Girish, Yeo, SeonAe, Barakat Carballo, Ruben, Perales, Maria, Bogaerts, Annick, Cecatti, Jose G., Dodd, Jodie, Owens, Julie, Devlieger, Roland, Teede, Helena, Haakstad, Lene, Motahari-Tabari, Narges, Tonstad, Serena, Luoto, Riitta, Guelfi, Kym, Petrella, Elisabetta, Phelan, Suzanne, Scudeller, Tânia T., Hauner, Hans, Renault, Kristina, Reme Sagedal, Linda, N. Stafne, Signe, Vinter, Christina, Astrup, Arne, R. W. Geiker, Nina, McAuliffe, Fionnuala M., W. Mol, Ben, and Thangaratinam, Shakila
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- 2016
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18. Ingemar Ingemarsson Memorial Symposium on preterm delivery at the XXI FIGO World Congress
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Jrgensen, Jan S., Jacobsson, Bo, Vinter, Christina A., Lamont, Ronald F., and Maršál, Karel
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- 2016
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19. Second Nordic Congress on Obesity in Gynecology and Obstetrics (NOCOGO)
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Vinter, Christina A., Frederiksen-Mller, Britta, Weile, Louise K., Lamont, Ronald F., Kristensen, Bjarne R., and Jrgensen, Jan S.
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- 2016
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20. Effects of Lifestyle Intervention in Pregnancy and Anthropometrics at Birth on Offspring Metabolic Profile at 2.8 Years: Results From the Lifestyle in Pregnancy and Offspring (LiPO) Study
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Tanvig, Mette, Vinter, Christina A., Jørgensen, Jan S., Wehberg, Sonja, Ovesen, Per G., Beck-Nielsen, Henning, Christesen, Henrik T., and Jensen, Dorte M.
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- 2015
21. Postpartum weight retention and breastfeeding among obese women from the randomized controlled Lifestyle in Pregnancy (LiP) trial
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Vinter, Christina Anne, Jensen, Dorte Mller, Ovesen, Per, Beck-Nielsen, Henning, Tanvig, Mette, Lamont, Ronald F., and Jrgensen, Jan Stener
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- 2014
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22. Long-Term Metabolic Outcomes after Gestational Diabetes Mellitus (GDM): Results from the Odense GDM Follow-Up Study (OGFUS).
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Jacobsen, Kristine Hovde, Aalders, Jori, Sølling, Katrine, Andersen, Marianne Skovsager, Snogdal, Lena Sønder, Christensen, Maria Hornstrup, Vinter, Christina Anne, Højlund, Kurt, and Jensen, Dorte Møller
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GESTATIONAL diabetes ,TYPE 2 diabetes ,METABOLIC disorders ,INSULIN sensitivity ,PANCREATIC beta cells - Abstract
Aims. To compare metabolic profiles and the long-term risk of metabolic dysfunction between women with previous gestational diabetes mellitus (pGDM) and women without pGDM (non-GDM) matched on age, prepregnancy body mass index (BMI), and parity. Methods. In total, 128 women with pGDM (median follow-up: 7.8 years) and 70 non-GDM controls (median follow-up: 10.0 years) completed a 2 h oral glucose tolerance test (OGTT) with assessment of glucose, C-peptide, insulin, and other metabolic measures. Additionally, anthropometrics, fat mass, and blood pressure were assessed and indices of insulin sensitivity and beta cell function were calculated. Results. The prevalence of type 2 diabetes mellitus (T2DM) was significantly higher in the pGDM group compared to the non-GDM group (26% vs. 0%). For women with pGDM, the prevalence of prediabetes (38%) and the metabolic syndrome (MetS) (59%) were approximately 3-fold higher than in non-GDM women (p ' s < 0.001). Both insulin sensitivity and beta cell function were significantly reduced in pGDM women compared to non-GDM women. Conclusion. Despite similar BMI, women with pGDM had a substantially higher risk of developing T2DM, prediabetes, and the MetS compared to controls. Both beta cell dysfunction and reduced insulin sensitivity seem to contribute to this increased risk. [ABSTRACT FROM AUTHOR]
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- 2022
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23. First Nordic Conference on Obesity in Gynecology and Obstetrics (NOCOGO)
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JØRGENSEN, JAN S., VINTER, CHRISTINA A., LAMONT, RONALD F., FREDERIKSEN-MØLLER, BRITTA, RØNDE KRISTENSEN, BJARNE, and MOGENSEN, OLE
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- 2013
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24. The LiP (Lifestyle in Pregnancy) Study: A randomized controlled trial of lifestyle intervention in 360 obese pregnant women
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Vinter, Christina A., Jensen, Dorte M., Ovesen, Per, Beck-Nielsen, Henning, and Jørgensen, Jan S.
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- 2011
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25. Gestational Weight Gain and Pregnancy Outcomes in 481 Obese Glucose-Tolerant Women
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JENSEN, DORTE M., OVESEN, PER, BECK-NIELSEN, HENNING, MØLSTED-PEDERSEN, LARS, SØRENSEN, BENTE, VINTER, CHRISTINA, and DAMM, PETER
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- 2005
26. Validation of a comorbidity index for use in obstetric patients: A nationwide cohort study.
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Bliddal, Mette, Möller, Sören, Vinter, Christina A., Rubin, Katrine H., Gagne, Joshua J., and Pottegård, Anton
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RECEIVER operating characteristic curves ,LOGISTIC regression analysis ,COHORT analysis ,COMORBIDITY ,MATERNAL age ,RESEARCH ,PRENATAL diagnosis ,RESEARCH evaluation ,RESEARCH methodology ,ACQUISITION of data ,EVALUATION research ,MEDICAL cooperation ,COMPARATIVE studies ,PREGNANCY complications ,QUESTIONNAIRES ,RESEARCH funding ,LONGITUDINAL method - Abstract
Introduction: A previously developed Obstetric Comorbidity Index has been validated in highly selected cohorts. Validation of the index in an unselected population as well as in other health registers is, however, of high importance to determine external validity.Material and Methods: Using nationwide registers, we formed a nationwide cohort including completed pregnancies (both live- and stillborn) in Denmark from 2000 through 2014. Maternal age and 20 comorbid conditions were assessed and weighted. Outcomes were maternal end-organ injury or death within 30 days postpartum. The index's predictive and discriminative ability was estimated by Brier score and the area under the receiver operating characteristic curve (AUC), respectively. Logistic regression analysis was used to estimate odds ratios (OR) with 95% confidence interval (CI).Results: In 876 496 completed pregnancies by 527 079 women, 1.40% (n = 12 314) experienced an outcome. The majority of women (64.1%) did not have any record of a condition included in the index and only 0.3% (n = 3044) had a score >6. The incidence of an outcome increased with increasing comorbidity score from 0.9% (95% CI 0.8-0.9) in women scoring 0% to 10.4% (95% CI 7.6-13.9) in women scoring 9-10. Compared with women scoring 0, a score of 1-2 yielded an OR of 2.34 (95% CI 2.25-2.44), 3-4 an OR of 5.16 (95% CI 4.81-5.54), 5-6 an OR of 4.84 (95% CI 4.31-5.44), and 8-9 an OR of 7.97 (95% CI 6.54-9.72) for experiencing the outcome. The index had a Brier score of 0.01 and an AUC of 0.64.Conclusions: Despite potential weaknesses in the outcome definition, the Obstetric Comorbidity Index showed a moderate ability to discriminate and predict end-organ injury and death in a nationwide cohort in Denmark, in accordance with previous findings. These results suggest that the index may be a useful tool to control for confounding in health research and clinically to identify women at high risk for adverse maternal outcomes. [ABSTRACT FROM AUTHOR]- Published
- 2020
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27. Vitamin D levels were significantly higher during and after lifestyle intervention in pregnancy: A randomized controlled trial.
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Tanvig, Mette H., Jensen, Dorte M., Andersen, Marianne S., Ovesen, Per G., Jørgensen, Jan S., and Vinter, Christina A.
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VITAMIN D ,RANDOMIZED controlled trials ,VITAMIN D deficiency ,PREGNANCY ,GESTATIONAL age ,LIFESTYLES ,OBESITY ,RESEARCH ,FIRST trimester of pregnancy ,RESEARCH methodology ,REDUCING diets ,EVALUATION research ,MEDICAL cooperation ,TREATMENT effectiveness ,DIETARY supplements ,COMPARATIVE studies ,PREGNANCY complications ,RESEARCH funding - Abstract
Introduction: Vitamin D deficiency is common in pregnancy, especially in obese women. Lifestyle intervention could potentially result in higher levels of vitamin D. We therefore aimed to study the effect of lifestyle intervention during pregnancy on serum levels of 25-hydroxyvitamin D (25(OH)D).Material and Methods: A total of 360 obese women were randomized before gestational age 14 weeks to lifestyle intervention (diet and exercise) or routine clinical follow up (controls). Clinical outcomes and levels of 25(OH)D were determined three times: At gestational age 12-15 weeks (baseline), gestational age 28-30 weeks and 6 months postpartum.Results: A total of 304 (84%) women completed the intervention study and 238 (66%) attended postpartum follow up. Vitamin D levels were similar in the two groups at baseline. At gestational age 28-30 weeks and 6 months postpartum, 25(OH)D levels were significantly higher in the intervention group than in controls (75.6 vs 66.8 nmol/L, P = 0.009) and (54.8 vs 43.1 nmol/L, P = 0.013), respectively. Concurrently, vitamin D deficiency (25-hydroxyvitamin D <50 nmol/L) was less frequent in the intervention group than in controls: 15 vs 25% (P = 0.038) at gestational age 28-30 and 45 vs 63% (P = 0.011) 6 months postpartum, respectively.Conclusions: Lifestyle intervention during pregnancy was associated with significantly increased vitamin D levels in late pregnancy and postpartum compared with controls. [ABSTRACT FROM AUTHOR]- Published
- 2020
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28. Protocol for a randomised controlled trial of a co-produced, complex, health promotion intervention for women with prior gestational diabetes and their families: the Face-it study.
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Nielsen, Karoline Kragelund, Dahl-Petersen, Inger Katrine, Jensen, Dorte Møller, Ovesen, Per, Damm, Peter, Jensen, Nanna Husted, Thøgersen, Maja, Timm, Anne, Hillersdal, Line, Kampmann, Ulla, Vinter, Christina Anne, Mathiesen, Elisabeth Reinhardt, Maindal, Helle Terkildsen, and Face-it Study Group
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RISK perception ,GESTATIONAL diabetes ,HEALTH promotion ,HEALTH literacy ,TYPE 2 diabetes ,SOCIAL perception ,DISEASE complications - Abstract
Background: Gestational diabetes mellitus (GDM) is associated with an increased risk of future diabetes in both mother, father and offspring. More knowledge is needed about how to effectively reduce the risk of diabetes through sustained behavioural interventions in these families. The Face-it intervention is a complex health promotion intervention embedded in multi-level supportive environments. The aim of the intervention is to reduce type 2 diabetes risk and increase quality of life among families in the first year following a GDM-affected pregnancy by promoting physical activity, healthy dietary behaviours and breastfeeding through a focus on social support, motivation, self-efficacy, risk perception and health literacy.Methods: This national multicentre study is a two-arm randomised controlled trial including 460 women with GDM in a ratio of 2 (intervention):1 (usual care). The Face-it intervention consists of three main components: 1) additional visits from municipal health visitors, 2) digital health coaching tailored to family needs and 3) a structured cross-sectoral communication system in the health care system. The intervention runs from 3 to 12 months after delivery. The primary outcome is maternal body mass index at 12 months after delivery as a proxy for diabetes risk. The women will be examined at baseline and at follow-up, and this examination will include blood tests, oral glucose tolerance test (OGTT), anthropometrics, blood pressure, self-reported diet and physical activity, breastfeeding, quality of life, health literacy, physical and mental health status, risk perception and social support. Aside from those data collected for OGTT and breastfeeding and offspring parameters, the same data will be collected for partners. Data on offspring anthropometry will also be collected. Information on pregnancy- and birth-related outcomes will be derived from the medical records of the woman and child.Discussion: This randomised controlled trial seeks to demonstrate whether the Face-it intervention, addressing the individual, family and health care system levels, is superior to usual care in reducing diabetes risk for mothers and their families. Coupled with a process evaluation and an economic analysis, the study will provide evidence for policymakers and health services about health promotion among families affected by GDM and the potential for reducing risk of type 2 diabetes and associated conditions.Trial Registration: ClinicalTrials.gov NCT03997773. Registered June 25, 2019 - Retrospectively registered. [ABSTRACT FROM AUTHOR]- Published
- 2020
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29. Lifestyle Intervention in Danish Obese Pregnant Women With Early Gestational Diabetes Mellitus According to WHO 2013 Criteria Does Not Change Pregnancy Outcomes: Results From the LiP (Lifestyle in Pregnancy) Study.
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Christensen, Maria H., Vinter, Christina A., Tanvig, Mette H., Jørgensen, Jan S., Jensen, Dorte M., Andersen, Marianne S., Ovesen, Per G., and McIntyre, Harold D.
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LIFESTYLES , *OVERWEIGHT persons , *GESTATIONAL diabetes , *PREGNANT women , *GLUCOSE , *BLOOD sugar analysis , *DIAGNOSIS of endocrine diseases , *OBESITY treatment , *BEHAVIOR , *BLOOD sugar , *GESTATIONAL age , *GLUCOSE tolerance tests , *EVALUATION of medical care , *OBESITY , *PREGNANCY , *PREGNANCY complications , *SECONDARY analysis , *DIAGNOSIS , *THERAPEUTICS ,TREATMENT of pregnancy complications - Abstract
Objective: To study effects of lifestyle intervention on metabolic and clinical outcomes in obese women fulfilling the World Health Organization (WHO) 2013 diagnostic criteria for gestational diabetes mellitus (GDM) in early gestation.Research Design and Methods: Secondary analysis of data from the Lifestyle in Pregnancy (LiP) study, a lifestyle randomized controlled trial in 304 pregnant women with BMI ≥30 kg/m2. Early GDM (week 12-15) was diagnosed according to modified WHO 2013 GDM criteria: fasting venous plasma glucose ≥5.1 mmol/L and/or 2-h capillary blood glucose (CBG) ≥8.5 mmol/L (75-g oral glucose tolerance test [OGTT]). Women with treated GDM fulfilling local Danish GDM criteria (2-h CBG ≥9.0 mmol/L) (n = 16) and women with normal OGTT (n = 198) were excluded.Results: Of 90 women with early GDM, 36 received lifestyle intervention and 54 standard care. All were Caucasian, and median age was 29 years (interquartile range 27-33) and BMI 34.5 kg/m2 (32.3-38.1). All baseline characteristics were similar in the lifestyle intervention and standard care groups. At gestational week 28-30, the women in the lifestyle intervention group had significantly higher fasting total cholesterol and fasting LDL. All other metabolic parameters including measurements of glucose, insulin, and HOMA of insulin resistance were similar. There were more planned cesarean sections in the lifestyle intervention group (22.2 vs. 5.6%), but all other obstetric outcomes were similar.Conclusions: Lifestyle intervention in obese women fulfilling WHO 2013 GDM criteria in early pregnancy was not effective in improving obstetric or metabolic outcomes. Future studies should focus on interventions starting prepregnancy. [ABSTRACT FROM AUTHOR]- Published
- 2018
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30. Variations in reporting of outcomes in randomized trials on diet and physical activity in pregnancy: A systematic review.
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Rogozińska, Ewelina, Marlin, Nadine, Yang, Fen, Dodd, Jodie M., Guelfi, Kym, Teede, Helena, Surita, Fernanda, Jensen, Dorte M., Geiker, Nina R.W., Astrup, Arne, Yeo, SeonAe, Kinnunen, Tarja I., Stafne, Signe N., Cecatti, Jose G., Bogaerts, Annick, Hauner, Hans, Mol, Ben W., Scudeller, Tânia T., Vinter, Christina A., and Renault, Kristina M.
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BEHAVIOR modification ,DIET ,HEALTH behavior ,HEALTH outcome assessment ,PREGNANCY ,QUESTIONNAIRES ,REGRESSION analysis ,SYSTEMATIC reviews ,PHYSICAL activity - Abstract
Aim Trials on diet and physical activity in pregnancy report on various outcomes. We aimed to assess the variations in outcomes reported and their quality in trials on lifestyle interventions in pregnancy. Methods We searched major databases without language restrictions for randomized controlled trials on diet and physical activity-based interventions in pregnancy up to March 2015. Two independent reviewers undertook study selection and data extraction. We estimated the percentage of papers reporting 'critically important' and 'important' outcomes. We defined the quality of reporting as a proportion using a six-item questionnaire. Regression analysis was used to identify factors affecting this quality. Results Sixty-six randomized controlled trials were published in 78 papers (66 main, 12 secondary). Gestational diabetes (57.6%, 38/66), preterm birth (48.5%, 32/66) and cesarian section (60.6%, 40/66), were the commonly reported 'critically important' outcomes. Gestational weight gain (84.5%, 56/66) and birth weight (87.9%, 58/66) were reported in most papers, although not considered critically important. The median quality of reporting was 0.60 (interquartile range 0.25, 0.83) for a maximum score of one. Study and journal characteristics did not affect quality. Conclusion Many studies on lifestyle interventions in pregnancy do not report critically important outcomes, highlighting the need for core outcome set development. [ABSTRACT FROM AUTHOR]
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- 2017
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31. The effects of dietary and lifestyle interventions among pregnant women who are overweight or obese on longer-term maternal and early childhood outcomes: protocol for an individual participant data (IPD) meta-analysis.
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Dodd, Jodie M., Grivell, Rosalie M., Louise, Jennie, Deussen, Andrea R., Giles, Lynne, Mol, Ben W., Vinter, Christina, Tanvig, Mette, Jensen, Dorte Moller, Bogaerts, Annick, Devlieger, Roland, Luoto, Riitta, McAuliffe, Fionnuala, Renault, Kristina, Carlsen, Emma, Geiker, Nina, Poston, Lucilla, Briley, Annette, Thangaratinam, Shakila, and Rogozinska, Ewelina
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MATERNAL health ,LIFESTYLES & health ,CHILDHOOD obesity - Abstract
Background: The aim of this individual participant data meta-analysis (IPDMA) is to evaluate the effects of dietary and lifestyle interventions among pregnant women who are overweight or obese on later maternal and early childhood outcomes at ages 3-5 years. Methods/design: We will build on the established International Weight Management in Pregnancy (i-WIP) IPD Collaborative Network, having identified researchers who have conducted randomised dietary and lifestyle interventions among pregnant women who are overweight or obese, and where ongoing childhood follow-up of participants has been or is being undertaken. The primary maternal outcome is a diagnosis of maternal metabolic syndrome. The primary childhood outcome is BMI above 90%. We have identified 7 relevant trials, involving 5425 women who were overweight or obese during pregnancy, with approximately 3544 women and children with follow-up assessments available for inclusion in the meta-analysis. Discussion: The proposed IPDMA provides an opportunity to evaluate the effect of dietary and lifestyle interventions among pregnant women who are overweight or obese on later maternal and early childhood health outcomes, including risk of obesity. This knowledge is essential to effectively translate research findings into clinical practice and public health policy. [ABSTRACT FROM AUTHOR]
- Published
- 2017
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32. Response to prophylactic negative pressure wound dressing after caesarean section: an extended debate to include surgical aspects.
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Hyldig, Nana, Vinter, Christina Anne, Lamont, Ronald F., Joergensen, Jan Stener, and Möller, Sören
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NEGATIVE-pressure wound therapy , *CESAREAN section , *WIND pressure , *UMBILICAL cord clamping - Abstract
Effect of prophylactic negative pressure wound therapy vs standard wound dressing on surgical-site infection in obese women after Cesarean delivery: a randomized clinical trial. Prophylactic incisional negative pressure wound therapy reduces the risk of surgical site infection after caesarean section in obese women: a pragmatic randomised clinical trial. [Extracted from the article]
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- 2022
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33. Ingemar Ingemarsson Memorial Symposium on preterm delivery at the XXI FIGO World Congress.
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Jørgensen, Jan S., Jacobsson, Bo, Vinter, Christina A., Lamont, Ronald F., and Maršál, Karel
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OBSTETRICS ,PREMATURE labor ,CONFERENCES & conventions - Abstract
Information about the International Federation of Gynecology and Obstetrics (FIGO) World Congress 2015 held in Vancouver, British Columbia is presented. Topics include the contributions of Professor Ingemar Ingemarsson on obstetrics, the role of technology on the improvements of obstetric care and the prevention strategies for preterm and post-term labor. The speakers at the event include Christina Anne Winter, Bo Jacobsson and Jan Stener Jorgensen.
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- 2016
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34. Targeting pregnancy as a time to treat obesity.
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Vinter, Christina Anne and Nøhr, Ellen
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OBESITY treatment ,WEIGHT gain in pregnancy ,PREGNANCY complications ,GESTATIONAL diabetes ,BODY mass index - Abstract
Maternal obesity is recognized as one of the largest contributors to compromised health during pregnancy. Lifestyle interventions in obese pregnant women may be able to reduce gestational weight gain (GWG) but have shown limited success in improving pregnancy and neonatal outcomes. Lack of statistical power, poor compliance and inconsistency in inclusion BMI and setting across studies may be some of the reasons. Since pregestational BMI is the single most important predictor of obesity-related complications, the metabolic profile in the first trimester of pregnancy may play a very important role. Observational studies have shown that interpregnancy weight loss reduces the risk of macrosomia in a subsequent pregnancy. Future lifestyle randomized controlled trials should target the prepregnant state and examine the effect on maternal and neonatal outcomes. [ABSTRACT FROM AUTHOR]
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- 2015
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35. Anthropometrics and Body Composition by Dual Energy X-Ray in Children of Obese Women: A Follow-Up of a Randomized Controlled Trial (the Lifestyle in Pregnancy and Offspring [LiPO] Study).
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Tanvig, Mette, Vinter, Christina A., Jørgensen, Jan S., Wehberg, Sonja, Ovesen, Per G., Lamont, Ronald F., Beck-Nielsen, Henning, Christesen, Henrik T., and Jensen, Dorte M.
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- *
ANTHROPOMETRY , *BODY composition , *X-rays , *RANDOMIZED controlled trials , *FOLLOW-up studies (Medicine) , *HEALTH outcome assessment , *WEIGHT gain in pregnancy - Abstract
Objective: In obese women, 1) to assess whether lower gestational weight gain (GWG) during pregnancy in the lifestyle intervention group of a randomized controlled trial (RCT) resulted in differences in offspring anthropometrics and body composition, and 2) to compare offspring outcomes to a reference group of children born to women with a normal Body Mass Index (BMI). Research design and methods: The LiPO (Lifestyle in Pregnancy and Offspring) study was an offspring follow-up of a RCT with 360 obese pregnant women with a lifestyle intervention during pregnancy including dietary advice, coaching and exercise. The trial was completed by 301 women who were eligible for follow-up. In addition, to the children from the RCT, a group of children born to women with a normal BMI were included as a reference group. At 2.8 (range 2.5–3.2) years, anthropometrics were measured in 157 children of the RCT mothers and in 97 reference group children with Body Mass Index (BMI) Z-score as a primary outcome. Body composition was estimated by Dual Energy X-ray (DEXA) in 123 successful scans out of 147 (84%). Results: No differences between randomized groups were seen in mean (95% C.I.) BMI Z-score (intervention group 0.06 [−0.17; 0.29] vs. controls −0.18 [−0.43; 0.05]), in the percentage of overweight or obese children (10.9% vs. 6.7%), in other anthropometrics, or in body composition values by DEXA. Outcomes between children from the RCT and the reference group children were not significantly different. Conclusions: The RCT with lifestyle intervention in obese pregnant women did not result in any detectable effect on offspring anthropometrics or body composition by DEXA at 2.8 years of age. This may reflect the limited difference in GWG between intervention and control groups. Offspring of obese mothers from the RCT were comparable to offspring of mothers with a normal BMI. Trial registration: clinicaltrials.gov NCT00530439, NCT01918319 and NCT01918423. URL: NCT00530439?term = NCT00530439&rank = 1, NCT01918319?term = NCT00530439&rank = 2 and NCT01918423?term = NCT00530439&rank = 3. [ABSTRACT FROM AUTHOR]
- Published
- 2014
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36. Why it is critical to address the challenge of maternal obesity.
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Vinter, Christina A. and Geirsson, Reynir T.
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WEIGHT gain in pregnancy ,PREVENTION of pregnancy complications - Abstract
The author discusses the importance of addressing the challenge of maternal obesity in the U.S. because of its adverse effects on the course and outcome of pregnancy.
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- 2016
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37. Re: Universal screening versus risk-based protocols for antibiotic prophylaxis during childbirth to prevent early-onset group B streptococcal disease: a systematic review and meta-analysis.
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Lamont, Ronald F, Jørgensen, Jan Stener, and Vinter, Christina A
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STREPTOCOCCAL diseases ,ANTIBIOTIC prophylaxis ,CHILDBIRTH ,META-analysis ,PREGNANT women ,CHORIOAMNIONITIS ,DRUG resistance in bacteria ,STREPTOCOCCUS ,DELIVERY (Obstetrics) ,LABOR (Obstetrics) - Abstract
I Sir, i We commend the study by Hasperhoven et al.,1 which demonstrates a lower incidence of early-onset group B streptococcal (GBS) disease (EOGBSD) using screening-based, compared with risk-based protocols, albeit that the usage of intrapartum antibiotic prophylaxis (IAP) under both policies was similar. Group B streptococcal immunisation of pregnant women for the prevention of early and late onset group B streptococcal infection of the neonate as well as adult disease. [Extracted from the article]
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- 2020
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38. 164-LB: Association of Maternal Insulin Sensitivity during Gestation and Neonatal Size.
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DESHPANDE-JOSHI, SAYALI, DAMLE, HEMANT, DESHMUKH, MADHURA K., BHAT, DATTATRAY, MEMANE, NILAM S., BHALERAO, ABOLI A., LADKAT, RASIKA, TIWARI, PRADEEP, OTIV, SUHAS R., PERICHART-PERERA, OTILIA, VAN POPPEL, MIREILLE, VINTER, CHRISTINA A., JENSEN, DORTE M., DESOYE, GERNOT, CATALANO, PATRICK, and YAJNIK, CHITTARANJAN S.
- Abstract
Background: Decrease in insulin sensitivity in late gestation is thought to promote fetal growth in humans. Methods: Cohorts with serial glucose and insulin measurements during pregnancy were included in this study. These include two Indian (n=248), a Mexican (n=115), two European (n=326) and an American (n=32) cohort. HOMA-S was correlated with neonatal weight. Results: Indian mothers were short & thin (153.7 cm, 48.8 kg and 20.2 kg/m
2 ) and gained 5.9 kg between first and third trimesters, babies were 2720g. Mexican mothers were short (156cm, 63 kg and BMI 25.1kg/m2 ) and gained 7.5 kg, babies were 2955g. European mothers were tall and obese (168.0 cm, 95.5 kg and 33.7 kg/m2 ), gained 7.4 kg and babies were 3640g. In Indian mothers, FPG progressively decreased with increasing gestation with a small (15%) increase in insulin concentrations, HOMA-S remained stable. In Mexican and European mothers FPG remained stable, insulin increased (>50%) and HOMA-S decreased (>30%). American mothers showed the classic increase in HOMA-S in early pregnancy and a fall in late gestation (Figure 1). In Indian and Mexican mothers HOMA-S was not associated with offspring birth weight while in European cohorts, it was inversely associated. Conclusion: Chronic maternal undernutrition (stunting) and failure to reduce insulin sensitivity in late gestation may contribute to poor fetal growth in India and Mexico. Mechanistic studies are warranted. Disclosure: S. Deshpande-joshi: None. O. Perichart-perera: Other Relationship; Self; IFA CELTICS, Nestlé. M. Van poppel: None. C. A. Vinter: None. D. M. Jensen: None. G. Desoye: None. P. Catalano: None. C. S. Yajnik: None. H. Damle: None. M. K. Deshmukh: None. D. Bhat: None. N. S. Memane: None. A. A. Bhalerao: None. R. Ladkat: None. P. Tiwari: None. S. R. Otiv: None. [ABSTRACT FROM AUTHOR]- Published
- 2021
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39. Re: Effects of oral probiotic supplements on vaginal microbiota during pregnancy: a randomised, double-blind, placebo-controlled trial with microbiome analysis.
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Lamont, Ronald F, Bagge, Julie Ribe, Vinter, Christina Anne, and Jørgensen, Jan Stener
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PROBIOTICS ,LACTIC acid ,PREGNANCY ,GENITALIA ,VAGINA - Abstract
Without this information, no comment can be made on species-specific function with respect to the percentage of I Lactobacillus i strains that produce H SB 2 sb O SB 2 sb , bacteriocins or lactic acid, including the ratio of the l- and d-isomers of lactic acid, and whether the lactic acid molecules are protonated (i.e. with non-dissociated H SP + sp , giving a neutrally charged ion) or are lactate anions (i.e. with dissociated H SP + sp , giving a negatively charged ion). The protonated form of lactic acid (which predominates at a pH of <3.9) has antimicrobial and immunomodulatory properties compared with the lactate anion, which has no bacteriocidal or virucidal activity.[2] Currently, approximately 180 species of I Lactobacilli i have been identified, most of which are used in the food industry, and some of which have been isolated in the human vagina. The role of lactic acid production by probiotic Lactobacillus species in vaginal health. [Extracted from the article]
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- 2020
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40. Prophylactic incisional negative pressure wound therapy reduces the risk of surgical site infection after caesarean section in obese women: a pragmatic randomised clinical trial.
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Hyldig, Nana, Vinter, Christina Anne, Kruse, Marie, Mogensen, Ole, Bille, Camilla, Sorensen, Jens Ahm, Lamont, Ronald Francis, Wu, Chunsen, Heidemann, Lene Nyhoj, Ibsen, Mette Holm, Laursen, Jacob Brink, Ovesen, Per Glud, Rorbye, Christina, Tanvig, Mette, Joergensen, Jan Stener, Hyldig, N, Vinter, C A, Kruse, M, Mogensen, O, and Bille, C
- Subjects
- *
BARIATRIC surgery , *OBESITY complications , *CESAREAN section , *COMPARATIVE studies , *RESEARCH methodology , *MEDICAL quality control , *MEDICAL cooperation , *PREGNANCY complications , *RESEARCH , *RESEARCH funding , *SURGICAL dressings , *SURGICAL site infections , *WOUND healing , *EVALUATION research , *RANDOMIZED controlled trials , *TREATMENT effectiveness , *NEGATIVE-pressure wound therapy , *PREVENTION - Abstract
Objective: To evaluate the reduction of surgical site infections by prophylactic incisional negative pressure wound therapy compared with standard postoperative dressings in obese women giving birth by caesarean section.Design: Multicentre randomised controlled trial.Setting: Five hospitals in Denmark.Population: Obese women (prepregnancy body mass index (BMI) ≥30 kg/m2 ) undergoing elective or emergency caesarean section.Method: The participants were randomly assigned to incisional negative pressure wound therapy or a standard dressing after caesarean section and analysed by intention-to-treat. Blinding was not possible due to the nature of the intervention.Main Outcome Measures: The primary outcome was surgical site infection requiring antibiotic treatment within the first 30 days after surgery. Secondary outcomes included wound exudate, dehiscence and health-related quality of life.Results: Incisional negative pressure wound therapy was applied to 432 women and 444 women had a standard dressing. Demographics were similar between groups. Surgical site infection occurred in 20 (4.6%) women treated with incisional negative pressure wound therapy and in 41 (9.2%) women treated with a standard dressing (relative risk 0.50, 95% CI 0.30-0.84; number needed to treat 22; P = 0.007). The effect remained statistically significant when adjusted for BMI and other potential risk factors. Incisional negative pressure wound therapy significantly reduced wound exudate whereas no difference was found for dehiscence and quality of life between the two groups.Conclusion: Prophylactic use of incisional negative pressure wound therapy reduced the risk of surgical site infection in obese women giving birth by caesarean section.Tweetable Abstract: RCT: prophylactic incisional NPWT versus standard dressings postcaesarean in 876 women significantly reduces the risk of SSI. [ABSTRACT FROM AUTHOR]- Published
- 2018
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41. Development and validation of a prognostic model to predict birth weight: individual participant data meta-analysis.
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Allotey J, Archer L, Snell KIE, Coomar D, Massé J, Sletner L, Wolf H, Daskalakis G, Saito S, Ganzevoort W, Ohkuchi A, Mistry H, Farrar D, Mone F, Zhang J, Seed PT, Teede H, Da Silva Costa F, Souka AP, Smuk M, Ferrazzani S, Salvi S, Prefumo F, Gabbay-Benziv R, Nagata C, Takeda S, Sequeira E, Lapaire O, Cecatti JG, Morris RK, Baschat AA, Salvesen K, Smits L, Anggraini D, Rumbold A, van Gelder M, Coomarasamy A, Kingdom J, Heinonen S, Khalil A, Goffinet F, Haqnawaz S, Zamora J, Riley RD, Thangaratinam S, Kwong A, Savitri AI, Bhattacharya S, Uiterwaal CS, Staff AC, Andersen LB, Olive EL, Redman C, Macleod M, Thilaganathan B, Ramírez JA, Audibert F, Magnus PM, Jenum AK, McAuliffe FM, West J, Askie LM, Zimmerman PA, Riddell C, van de Post J, Illanes SE, Holzman C, van Kuijk SMJ, Carbillon L, Villa PM, Eskild A, Chappell L, Velauthar L, van Oostwaard M, Verlohren S, Poston L, Ferrazzi E, Vinter CA, Brown M, Vollebregt KC, Langenveld J, Widmer M, Haavaldsen C, Carroli G, Olsen J, Zavaleta N, Eisensee I, Vergani P, Lumbiganon P, Makrides M, Facchinetti F, Temmerman M, Gibson R, Frusca T, Norman JE, Figueiró-Filho EA, Laivuori H, Lykke JA, Conde-Agudelo A, Galindo A, Mbah A, Betran AP, Herraiz I, Trogstad L, Smith GGS, Steegers EAP, Salim R, Huang T, Adank A, Meschino WS, Browne JL, Allen RE, Klipstein-Grobusch K, Crowther CA, Jørgensen JS, Forest JC, Mol BW, Giguère Y, Kenny LC, Odibo AO, Myers J, Yeo S, McCowan L, Pajkrt E, Haddad BG, Dekker G, Kleinrouweler EC, LeCarpentier É, Roberts CT, Groen H, Skråstad RB, Eero K, Pilalis A, Souza RT, Hawkins LA, Figueras F, and Crovetto F
- Abstract
Objective: To predict birth weight at various potential gestational ages of delivery based on data routinely available at the first antenatal visit., Design: Individual participant data meta-analysis., Data Sources: Individual participant data of four cohorts (237 228 pregnancies) from the International Prediction of Pregnancy Complications (IPPIC) network dataset., Eligibility Criteria for Selecting Studies: Studies in the IPPIC network were identified by searching major databases for studies reporting risk factors for adverse pregnancy outcomes, such as pre-eclampsia, fetal growth restriction, and stillbirth, from database inception to August 2019. Data of four IPPIC cohorts (237 228 pregnancies) from the US (National Institute of Child Health and Human Development, 2018; 233 483 pregnancies), UK (Allen et al, 2017; 1045 pregnancies), Norway (STORK Groruddalen research programme, 2010; 823 pregnancies), and Australia (Rumbold et al, 2006; 1877 pregnancies) were included in the development of the model., Results: The IPPIC birth weight model was developed with random intercept regression models with backward elimination for variable selection. Internal-external cross validation was performed to assess the study specific and pooled performance of the model, reported as calibration slope, calibration-in-the-large, and observed versus expected average birth weight ratio. Meta-analysis showed that the apparent performance of the model had good calibration (calibration slope 0.99, 95% confidence interval (CI) 0.88 to 1.10; calibration-in-the-large 44.5 g, -18.4 to 107.3) with an observed versus expected average birth weight ratio of 1.02 (95% CI 0.97 to 1.07). The proportion of variation in birth weight explained by the model (R
2 ) was 46.9% (range 32.7-56.1% in each cohort). On internal-external cross validation, the model showed good calibration and predictive performance when validated in three cohorts with a calibration slope of 0.90 (Allen cohort), 1.04 (STORK Groruddalen cohort), and 1.07 (Rumbold cohort), calibration-in-the-large of -22.3 g (Allen cohort), -33.42 (Rumbold cohort), and 86.4 g (STORK Groruddalen cohort), and observed versus expected ratio of 0.99 (Rumbold cohort), 1.00 (Allen cohort), and 1.03 (STORK Groruddalen cohort); respective pooled estimates were 1.00 (95% CI 0.78 to 1.23; calibration slope), 9.7 g (-154.3 to 173.8; calibration-in-the-large), and 1.00 (0.94 to 1.07; observed v expected ratio). The model predictions were more accurate (smaller mean square error) in the lower end of predicted birth weight, which is important in informing clinical decision making., Conclusions: The IPPIC birth weight model allowed birth weight predictions for a range of possible gestational ages. The model explained about 50% of individual variation in birth weights, was well calibrated (especially in babies at high risk of fetal growth restriction and its complications), and showed promising performance in four different populations included in the individual participant data meta-analysis. Further research to examine the generalisability of performance in other countries, settings, and subgroups is required., Trial Registration: PROSPERO CRD42019135045., Competing Interests: All authors have completed the ICMJE uniform disclosure form at www.icmje.org/disclosure-of-interest/ and declare: support from the National Institute for Health and Care Research Health Technology Assessment UK programme for the submitted work; no financial relationships with any organisations that might have an interest in the submitted work in the previous three years; no other relationships or activities that could appear to have influenced the submitted work., (Copyright © Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)- Published
- 2024
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42. Validation and development of models using clinical, biochemical and ultrasound markers for predicting pre-eclampsia: an individual participant data meta-analysis.
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Allotey J, Snell KI, Smuk M, Hooper R, Chan CL, Ahmed A, Chappell LC, von Dadelszen P, Dodds J, Green M, Kenny L, Khalil A, Khan KS, Mol BW, Myers J, Poston L, Thilaganathan B, Staff AC, Smith GC, Ganzevoort W, Laivuori H, Odibo AO, Ramírez JA, Kingdom J, Daskalakis G, Farrar D, Baschat AA, Seed PT, Prefumo F, da Silva Costa F, Groen H, Audibert F, Masse J, Skråstad RB, Salvesen KÅ, Haavaldsen C, Nagata C, Rumbold AR, Heinonen S, Askie LM, Smits LJ, Vinter CA, Magnus PM, Eero K, Villa PM, Jenum AK, Andersen LB, Norman JE, Ohkuchi A, Eskild A, Bhattacharya S, McAuliffe FM, Galindo A, Herraiz I, Carbillon L, Klipstein-Grobusch K, Yeo S, Teede HJ, Browne JL, Moons KG, Riley RD, and Thangaratinam S
- Subjects
- Adult, Female, Gestational Age, Humans, Meta-Analysis as Topic, Placenta Growth Factor analysis, Pregnancy, Risk Assessment, Biomarkers, Pre-Eclampsia diagnosis, Pregnancy Complications, Prognosis, Ultrasonography
- Abstract
Background: Pre-eclampsia is a leading cause of maternal and perinatal mortality and morbidity. Early identification of women at risk is needed to plan management., Objectives: To assess the performance of existing pre-eclampsia prediction models and to develop and validate models for pre-eclampsia using individual participant data meta-analysis. We also estimated the prognostic value of individual markers., Design: This was an individual participant data meta-analysis of cohort studies., Setting: Source data from secondary and tertiary care., Predictors: We identified predictors from systematic reviews, and prioritised for importance in an international survey., Primary Outcomes: Early-onset (delivery at < 34 weeks' gestation), late-onset (delivery at ≥ 34 weeks' gestation) and any-onset pre-eclampsia., Analysis: We externally validated existing prediction models in UK cohorts and reported their performance in terms of discrimination and calibration. We developed and validated 12 new models based on clinical characteristics, clinical characteristics and biochemical markers, and clinical characteristics and ultrasound markers in the first and second trimesters. We summarised the data set-specific performance of each model using a random-effects meta-analysis. Discrimination was considered promising for C -statistics of ≥ 0.7, and calibration was considered good if the slope was near 1 and calibration-in-the-large was near 0. Heterogeneity was quantified using I
2 . A decision curve analysis was undertaken to determine the clinical utility (net benefit) of the models. We reported the unadjusted prognostic value of individual predictors for pre-eclampsia as odds ratios with 95% confidence and prediction intervals.2 . A decision curve analysis was undertaken to determine the clinical utility (net benefit) of the models. We reported the unadjusted prognostic value of individual predictors for pre-eclampsia as odds ratios with 95% confidence and prediction intervals., Results: The International Prediction of Pregnancy Complications network comprised 78 studies (3,570,993 singleton pregnancies) identified from systematic reviews of tests to predict pre-eclampsia. Twenty-four of the 131 published prediction models could be validated in 11 UK cohorts. Summary C -statistics were between 0.6 and 0.7 for most models, and calibration was generally poor owing to large between-study heterogeneity, suggesting model overfitting. The clinical utility of the models varied between showing net harm to showing minimal or no net benefit. The average discrimination for IPPIC models ranged between 0.68 and 0.83. This was highest for the second-trimester clinical characteristics and biochemical markers model to predict early-onset pre-eclampsia, and lowest for the first-trimester clinical characteristics models to predict any pre-eclampsia. Calibration performance was heterogeneous across studies. Net benefit was observed for International Prediction of Pregnancy Complications first and second-trimester clinical characteristics and clinical characteristics and biochemical markers models predicting any pre-eclampsia, when validated in singleton nulliparous women managed in the UK NHS. History of hypertension, parity, smoking, mode of conception, placental growth factor and uterine artery pulsatility index had the strongest unadjusted associations with pre-eclampsia., Limitations: Variations in study population characteristics, type of predictors reported, too few events in some validation cohorts and the type of measurements contributed to heterogeneity in performance of the International Prediction of Pregnancy Complications models. Some published models were not validated because model predictors were unavailable in the individual participant data., Conclusion: For models that could be validated, predictive performance was generally poor across data sets. Although the International Prediction of Pregnancy Complications models show good predictive performance on average, and in the singleton nulliparous population, heterogeneity in calibration performance is likely across settings., Future Work: Recalibration of model parameters within populations may improve calibration performance. Additional strong predictors need to be identified to improve model performance and consistency. Validation, including examination of calibration heterogeneity, is required for the models we could not validate., Study Registration: This study is registered as PROSPERO CRD42015029349., Funding: This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment ; Vol. 24, No. 72. See the NIHR Journals Library website for further project information.- Published
- 2020
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43. External validation of prognostic models predicting pre-eclampsia: individual participant data meta-analysis.
- Author
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Snell KIE, Allotey J, Smuk M, Hooper R, Chan C, Ahmed A, Chappell LC, Von Dadelszen P, Green M, Kenny L, Khalil A, Khan KS, Mol BW, Myers J, Poston L, Thilaganathan B, Staff AC, Smith GCS, Ganzevoort W, Laivuori H, Odibo AO, Arenas Ramírez J, Kingdom J, Daskalakis G, Farrar D, Baschat AA, Seed PT, Prefumo F, da Silva Costa F, Groen H, Audibert F, Masse J, Skråstad RB, Salvesen KÅ, Haavaldsen C, Nagata C, Rumbold AR, Heinonen S, Askie LM, Smits LJM, Vinter CA, Magnus P, Eero K, Villa PM, Jenum AK, Andersen LB, Norman JE, Ohkuchi A, Eskild A, Bhattacharya S, McAuliffe FM, Galindo A, Herraiz I, Carbillon L, Klipstein-Grobusch K, Yeo SA, Browne JL, Moons KGM, Riley RD, and Thangaratinam S
- Subjects
- Female, Humans, Pregnancy, Prognosis, Reproducibility of Results, Research Design, Risk Assessment, Pre-Eclampsia diagnosis, Pregnancy Complications diagnosis
- Abstract
Background: Pre-eclampsia is a leading cause of maternal and perinatal mortality and morbidity. Early identification of women at risk during pregnancy is required to plan management. Although there are many published prediction models for pre-eclampsia, few have been validated in external data. Our objective was to externally validate published prediction models for pre-eclampsia using individual participant data (IPD) from UK studies, to evaluate whether any of the models can accurately predict the condition when used within the UK healthcare setting., Methods: IPD from 11 UK cohort studies (217,415 pregnant women) within the International Prediction of Pregnancy Complications (IPPIC) pre-eclampsia network contributed to external validation of published prediction models, identified by systematic review. Cohorts that measured all predictor variables in at least one of the identified models and reported pre-eclampsia as an outcome were included for validation. We reported the model predictive performance as discrimination (C-statistic), calibration (calibration plots, calibration slope, calibration-in-the-large), and net benefit. Performance measures were estimated separately in each available study and then, where possible, combined across studies in a random-effects meta-analysis., Results: Of 131 published models, 67 provided the full model equation and 24 could be validated in 11 UK cohorts. Most of the models showed modest discrimination with summary C-statistics between 0.6 and 0.7. The calibration of the predicted compared to observed risk was generally poor for most models with observed calibration slopes less than 1, indicating that predictions were generally too extreme, although confidence intervals were wide. There was large between-study heterogeneity in each model's calibration-in-the-large, suggesting poor calibration of the predicted overall risk across populations. In a subset of models, the net benefit of using the models to inform clinical decisions appeared small and limited to probability thresholds between 5 and 7%., Conclusions: The evaluated models had modest predictive performance, with key limitations such as poor calibration (likely due to overfitting in the original development datasets), substantial heterogeneity, and small net benefit across settings. The evidence to support the use of these prediction models for pre-eclampsia in clinical decision-making is limited. Any models that we could not validate should be examined in terms of their predictive performance, net benefit, and heterogeneity across multiple UK settings before consideration for use in practice., Trial Registration: PROSPERO ID: CRD42015029349 .
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- 2020
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44. Re: Universal screening versus risk-based protocols for antibiotic prophylaxis during childbirth to prevent early-onset group B streptococcal disease: a systematic review and meta-analysis.
- Author
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Lamont RF, Jørgensen JS, and Vinter CA
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- Delivery, Obstetric, Female, Humans, Parturition, Pregnancy, Antibiotic Prophylaxis, Streptococcus agalactiae
- Published
- 2020
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45. Lifestyle Intervention in Danish Obese Pregnant Women With Early Gestational Diabetes Mellitus According to WHO 2013 Criteria Does Not Change Pregnancy Outcomes: Results From the LiP (Lifestyle in Pregnancy) Study.
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Vinter CA, Tanvig MH, Christensen MH, Ovesen PG, Jørgensen JS, Andersen MS, McIntyre HD, and Jensen DM
- Subjects
- Adult, Blood Glucose analysis, Blood Glucose metabolism, Denmark epidemiology, Diabetes, Gestational blood, Diabetes, Gestational diagnosis, Diabetes, Gestational epidemiology, Diagnostic Techniques, Endocrine standards, Female, Gestational Age, Glucose Tolerance Test standards, Humans, Obesity blood, Obesity epidemiology, Pregnancy, Pregnancy Complications epidemiology, World Health Organization, Diabetes, Gestational therapy, Life Style, Obesity therapy, Pregnancy Complications therapy, Pregnancy Outcome epidemiology, Risk Reduction Behavior
- Abstract
Objective: To study effects of lifestyle intervention on metabolic and clinical outcomes in obese women fulfilling the World Health Organization (WHO) 2013 diagnostic criteria for gestational diabetes mellitus (GDM) in early gestation., Research Design and Methods: Secondary analysis of data from the Lifestyle in Pregnancy (LiP) study, a lifestyle randomized controlled trial in 304 pregnant women with BMI ≥30 kg/m
2 . Early GDM (week 12-15) was diagnosed according to modified WHO 2013 GDM criteria: fasting venous plasma glucose ≥5.1 mmol/L and/or 2-h capillary blood glucose (CBG) ≥8.5 mmol/L (75-g oral glucose tolerance test [OGTT]). Women with treated GDM fulfilling local Danish GDM criteria (2-h CBG ≥9.0 mmol/L) ( n = 16) and women with normal OGTT ( n = 198) were excluded., Results: Of 90 women with early GDM, 36 received lifestyle intervention and 54 standard care. All were Caucasian, and median age was 29 years (interquartile range 27-33) and BMI 34.5 kg/m2 (32.3-38.1). All baseline characteristics were similar in the lifestyle intervention and standard care groups. At gestational week 28-30, the women in the lifestyle intervention group had significantly higher fasting total cholesterol and fasting LDL. All other metabolic parameters including measurements of glucose, insulin, and HOMA of insulin resistance were similar. There were more planned cesarean sections in the lifestyle intervention group (22.2 vs. 5.6%), but all other obstetric outcomes were similar., Conclusions: Lifestyle intervention in obese women fulfilling WHO 2013 GDM criteria in early pregnancy was not effective in improving obstetric or metabolic outcomes. Future studies should focus on interventions starting prepregnancy., (© 2018 by the American Diabetes Association.)- Published
- 2018
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46. Effects of antenatal diet and physical activity on maternal and fetal outcomes: individual patient data meta-analysis and health economic evaluation.
- Author
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Rogozińska E, Marlin N, Jackson L, Rayanagoudar G, Ruifrok AE, Dodds J, Molyneaux E, van Poppel MN, Poston L, Vinter CA, McAuliffe F, Dodd JM, Owens J, Barakat R, Perales M, Cecatti JG, Surita F, Yeo S, Bogaerts A, Devlieger R, Teede H, Harrison C, Haakstad L, Shen GX, Shub A, Beltagy NE, Motahari N, Khoury J, Tonstad S, Luoto R, Kinnunen TI, Guelfi K, Facchinetti F, Petrella E, Phelan S, Scudeller TT, Rauh K, Hauner H, Renault K, de Groot CJ, Sagedal LR, Vistad I, Stafne SN, Mørkved S, Salvesen KÅ, Jensen DM, Vitolo M, Astrup A, Geiker NR, Kerry S, Barton P, Roberts T, Riley RD, Coomarasamy A, Mol BW, Khan KS, and Thangaratinam S
- Subjects
- Age Factors, Body Mass Index, Cost-Benefit Analysis, Female, Humans, Obesity complications, Pregnancy, Weight Gain, Diet, Exercise physiology, Pregnancy Complications prevention & control, Pregnancy Outcome, Prenatal Care
- Abstract
Background: Diet- and physical activity-based interventions in pregnancy have the potential to alter maternal and child outcomes., Objectives: To assess whether or not the effects of diet and lifestyle interventions vary in subgroups of women, based on maternal body mass index (BMI), age, parity, Caucasian ethnicity and underlying medical condition(s), by undertaking an individual patient data (IPD) meta-analysis. We also evaluated the association of gestational weight gain (GWG) with adverse pregnancy outcomes and assessed the cost-effectiveness of the interventions., Data Sources: MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, Database of Abstracts of Reviews of Effects and Health Technology Assessment database were searched from October 2013 to March 2015 (to update a previous search)., Review Methods: Researchers from the International Weight Management in Pregnancy Collaborative Network shared the primary data. For each intervention type and outcome, we performed a two-step IPD random-effects meta-analysis, for all women (except underweight) combined and for each subgroup of interest, to obtain summary estimates of effects and 95% confidence intervals (CIs), and synthesised the differences in effects between subgroups. In the first stage, we fitted a linear regression adjusted for baseline (for continuous outcomes) or a logistic regression model (for binary outcomes) in each study separately; estimates were combined across studies using random-effects meta-analysis models. We quantified the relationship between weight gain and complications, and undertook a decision-analytic model-based economic evaluation to assess the cost-effectiveness of the interventions., Results: Diet and lifestyle interventions reduced GWG by an average of 0.70 kg (95% CI -0.92 to -0.48 kg; 33 studies, 9320 women). The effects on composite maternal outcome [summary odds ratio (OR) 0.90, 95% CI 0.79 to 1.03; 24 studies, 8852 women] and composite fetal/neonatal outcome (summary OR 0.94, 95% CI 0.83 to 1.08; 18 studies, 7981 women) were not significant. The effect did not vary with baseline BMI, age, ethnicity, parity or underlying medical conditions for GWG, and composite maternal and fetal outcomes. Lifestyle interventions reduce Caesarean sections (OR 0.91, 95% CI 0.83 to 0.99), but not other individual maternal outcomes such as gestational diabetes mellitus (OR 0.89, 95% CI 0.72 to 1.10), pre-eclampsia or pregnancy-induced hypertension (OR 0.95, 95% CI 0.78 to 1.16) and preterm birth (OR 0.94, 95% CI 0.78 to 1.13). There was no significant effect on fetal outcomes. The interventions were not cost-effective. GWG, including adherence to the Institute of Medicine-recommended targets, was not associated with a reduction in complications. Predictors of GWG were maternal age (summary estimate -0.10 kg, 95% CI -0.14 to -0.06 kg) and multiparity (summary estimate -0.73 kg, 95% CI -1.24 to -0.23 kg)., Limitations: The findings were limited by the lack of standardisation in the components of intervention, residual heterogeneity in effects across studies for most analyses and the unavailability of IPD in some studies., Conclusion: Diet and lifestyle interventions in pregnancy are clinically effective in reducing GWG irrespective of risk factors, with no effects on composite maternal and fetal outcomes., Future Work: The differential effects of lifestyle interventions on individual pregnancy outcomes need evaluation., Study Registration: This study is registered as PROSPERO CRD42013003804., Funding: The National Institute for Health Research Health Technology Assessment programme.
- Published
- 2017
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