3,717 results on '"E. Davis"'
Search Results
2. Marked improvement in hyperammonaemic encephalopathy from multimodal treatment of metastatic neuroendocrine tumour
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Sally Louise Ayesa, Stephen Clarke, Alexander E. Davis, and David Chan
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Oncology ,medicine.medical_specialty ,Poor prognosis ,Peptide receptor ,Encephalopathy ,Case Report ,New diagnosis ,03 medical and health sciences ,0302 clinical medicine ,Internal medicine ,medicine ,Multimodal treatment ,Humans ,Hyperammonemia ,Patient group ,Brain Diseases ,business.industry ,Incidence (epidemiology) ,General Medicine ,Middle Aged ,medicine.disease ,Combined Modality Therapy ,Neuroendocrine tumour ,Neuroendocrine Tumors ,030220 oncology & carcinogenesis ,030211 gastroenterology & hepatology ,Female ,Neurotoxicity Syndromes ,business - Abstract
Gastroenteropancreatic neuroendocrine tumours (GEPNETs) are a heterogenous group of tumours which are rising in incidence. Morbidity and mortality related to these tumours is dependent on the location of metastatic spread. Hyperammonaemia and subsequent encephalopathy has previously been described in GEPNET and is typically associated with a poor prognosis. We describe a case of a 55-year-old woman with hyperammonaemic encephalopathy and a new diagnosis of GEPNET. Given the poor prognosis and the outcomes in this patient group we feel this case highlights the benefit of a multimodality treatment approach including peptide receptor radionucleotide therapy and transarterial chemoembolisation.
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- 2023
3. Exercise as a treatment for clinical depression in adults and progressing the physiotherapists role: A systematic review and meta-analysis
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Niall McGrane and Mary E. Davis
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medicine.medical_specialty ,business.industry ,Rehabilitation ,Physical Therapy, Sports Therapy and Rehabilitation ,030227 psychiatry ,03 medical and health sciences ,0302 clinical medicine ,Occupational Therapy ,Meta-analysis ,Physical therapy ,medicine ,030212 general & internal medicine ,business ,Depression (differential diagnoses) - Abstract
BACKGROUND: There has been extensive literature examining the efficacy of exercise interventions in the treatment of depression over the past few decades. However, there is ongoing debate regarding the optimal dosage, and the implications of utilising physiotherapists for the management of clinically depressed adults using exercise has not been examined. OBJECTIVES: This review aimed to examine the effectiveness of exercise as a treatment for depression (without comorbidities) and to determine the most effective dosage/mode to treat this population. This review strived to appraise the literature for a potential role for physiotherapists in depression management. METHODS: Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) protocol, a search for randomized controlled trials was conducted on the nine databases. All studies were appraised for quality using the Physiotherapy Evidence Database (PEDro) scale and Cochrane Risk of Bias Tool (RoB). Data was manually extracted, and pre- and post-intervention depression scores and program variables were analysed. RESULTS: Of the 5036 papers retrieved, 7 papers met this review’s inclusion criteria. The results of the meta-analysis reveal that exercise as a sole treatment and as an add-on is significantly effective in reducing depressive symptoms. The findings support the use of moderate intensity aerobic exercise for three sessions per week. CONCLUSIONS: Exercise was shown to significantly improve depressive symptoms in depressed adults. This review adds to the growing body of evidence regarding the important role of physiotherapists in the treatment of psychiatric disorders in the design and implementation of exercise interventions.
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- 2021
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4. The relationship of vancomycin 24-hour AUC and trough concentration
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Lisa E. Davis, Kathryn R. Matthias, and David E. Nix
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Pharmacology ,Final version ,business.industry ,Health Policy ,Trough (economics) ,Pharmacokinetics ,Elimination rate constant ,Anesthesia ,medicine ,Vancomycin ,Goal achievement ,Trough Concentration ,Dosing ,business ,medicine.drug - Abstract
Purpose Prior to the 2020 release of a joint consensus guideline on monitoring of vancomycin therapy for serious methicillin-resistant Staphylococcus aureus (MRSA) infections, clinicians had escalated vancomycin doses for 2 decades while targeting trough concentrations of 15 to 20 µg/mL, leading to an increased frequency of nephrotoxicity. For MRSA infections, the 2020 guideline recommends adjusting doses to achieve a 24-hour area under the concentration-time curve (AUC) of 400 to 600 µg · h/mL; however, monitoring of trough concentrations has been entrenched for 3 decades. Calculating dose regimens based on AUC will require obtaining an increased number of vancomycin serum concentrations and, possibly, advanced software. The aim of this investigation was to determine the relationship between AUC and trough concentration and the influence of dosing regimen on goal achievement. Methods The relationship between trough concentration and AUC was explored through derivation of an equation based on a 1-compartment model and simulations. Results 24-hour AUC is related to dosing interval divided by half-life in a nonlinear fashion. The target trough concentration can be individualized to achieve a desired AUC range, and limiting use of large doses (>15-20 mg/kg) can protect against excessive 24-hour AUC with trough-only monitoring. Conclusion After initially determining pharmacokinetic parameters, subsequent monitoring of AUC can be accomplished using trough concentrations only. Trough concentration may be used as a surrogate for AUC, although the acceptable target trough concentration will vary depending on dosing interval and elimination rate constant. This work included development of an AUC-trough equation to establish a patient-specific target for steady-state trough concentration.
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- 2021
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5. Evaluating the impact of a 'grand rounds' elective course on students' perceived motivations, comfort, and confidence in providing constructive and reinforcing feedback to guest lecturers
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Nicole K. Early, Lindsay E. Davis, Tara Storjohann, Suzanne Larson, and Elizabeth K. Pogge
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Motivation ,Medical education ,business.industry ,media_common.quotation_subject ,Experiential education ,Pharmacy ,Constructive ,Feedback ,Variety (cybernetics) ,EXPOSE ,Presentation ,Students, Pharmacy ,Teaching Rounds ,ComputingMilieux_COMPUTERSANDEDUCATION ,Humans ,Quality (business) ,Curriculum ,General Pharmacology, Toxicology and Pharmaceutics ,Psychology ,business ,media_common - Abstract
Background and purpose Providing feedback is an important skill for all healthcare professionals both within and outside of their discipline. Although student pharmacists frequently receive feedback during both didactic and experiential education, training on how to provide feedback to others is less common. Educational activity and setting An elective was designed to expose second-year pharmacy students to “grand rounds” with practicing pharmacists as the presenters. Students provided feedback to presenters on presentation style and assessment questions. The primary objective of this research project was to determine if the elective improved students' motivations, comfort, and confidence in providing constructive written feedback. Findings Over two course offerings, 54% (19 of 35) of enrolled students completed both the pre- and post-surveys. At baseline, the majority of students self-identified as being motivated, comfortable, and confident with providing quality written feedback with the exception of two specific areas: motivation to provide quality written feedback and comfort with providing difficult or sensitive written feedback. At the end of the course, the majority of students self-identified as being motivated, comfortable, and confident across all areas queried. All students agreed or strongly agreed that the efficiency and quality of their written feedback improved during the course. Summary The course offered several benefits to students, including learning clinical topics from a variety of presenters and developing feedback skills. The implementation of the grand rounds elective provided students an opportunity to develop their motivation, comfort, and confidence with providing quality constructive written feedback.
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- 2021
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6. Predictors for Telephone Outreach Post-hospital Discharge
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Chakra Budhathoki, Daniel J. Sheridan, Nancy Sullivan, Franz H. Vergara, and Jean E Davis
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medicine.medical_specialty ,Leadership and Management ,business.industry ,Health Policy ,Medical record ,Psychological intervention ,Emergency department ,Assessment and Diagnosis ,Educational attainment ,Outreach ,Intervention (counseling) ,Acute care ,Family medicine ,Medicine ,Medical diagnosis ,business ,Care Planning - Abstract
PURPOSE OF STUDY: The specific aims of this study were to examine whether sociodemographic variables and medical-surgical diagnoses were associated with telephone follow-up (TFU) reach rates, emergency department visits, and hospital readmissions. PRIMARY PRACTICE OF SETTING: Acute care inpatient units in an academic medical center. METHODOLOGY AND SAMPLE: A correlational design was utilized, and a prospective medical record review of patients was conducted while implementing face-to-face prehospital discharge meeting interventions. The study sample (N = 176) included adult patients in two neurosurgical wards who were admitted between June 2016 and September 2016. Parametric and nonparametric tests were used to explore the balance between the intervention group receiving a face-to-face prehospital discharge meeting and comparison group receiving standard prehospital discharge care. Bivariate statistics were employed to determine associations between variables. RESULTS: A total of 15 sociodemographic and medical-surgical variables were used to correlate TFU reach rates, emergency department (ED) visits, and readmission rates. Educational attainment (p = .002), employment status (p = .014), parental status (p = .010), and hospital service (p = .039) had significant differences between the intervention and comparison groups. Results demonstrated an improved reach rate for the intervention group but despite the differences in the groups, phi and Cramer's V coefficients did not correlate any associations with TFU reach rate, ED visits, and readmission rates with sociodemographic and surgical variables. This outcome affirmed that despite the similarities and differences in the sample, a face-to-face meeting prehospital discharge is an effective intervention to improve telephone outreach. IMPLICATIONS TO CASE MANAGEMENT PRACTICE: There is a need to determine the most cost-effective way to increase TFU reach rates to prevent subsequent ED visits and hospital readmissions. There is also a need to develop a tool that can predict the hardest-to-reach patients posthospital discharge, so that case managers can meet those patients before leaving the hospital. In addition, it is important to identify alternative methods of "face-to-face"" interactions during the COVID-19 pandemic crises. Case managers must explore ways with caution to leverage secured digital technology to bridge the gap of communicating with patients and family members when hospital visitations are limited."
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- 2021
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7. Current practices in the management of central airway obstruction
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Ankush P. Ratwani, Fabien Maldonado, and Andrea E. Davis
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Pulmonary and Respiratory Medicine ,medicine.medical_specialty ,business.industry ,medicine.medical_treatment ,Stent ,Context (language use) ,Retrospective cohort study ,Airway obstruction ,medicine.disease ,Airway Obstruction ,Quality of life (healthcare) ,Multidisciplinary approach ,Bronchoscopy ,Quality of Life ,medicine ,Balloon dilation ,Humans ,Stents ,business ,Airway ,Intensive care medicine ,Retrospective Studies - Abstract
PURPOSE OF REVIEW Airway obstruction continues to cause substantial pulmonary morbidity and mortality. We present a review of classic, current, and evolving management techniques, highlighting recently published studies on the topic. Recommendations have historically been primarily based on anecdotal experience, case reports, and retrospective studies, but more solid evidence has emerged in the last decade. RECENT FINDINGS Novel endobronchial stents are being developed to mitigate the issues of stent migration, mucus plugging, fracture, and granulation tissue formation. Endobronchial drug delivery has become an active area of translational and clinical research, especially with regards to antineoplastic agents used for malignant airway stenosis. Even classic or updated techniques such as spray cryotherapy, injections of mitomycin-c, and balloon dilation have recently been examined in methodologically sound studies. Finally, recently published data have confirmed that patient breathlessness and quality of life improve significantly with therapeutic airway interventions. A multimodal and multidisciplinary approach to patient care is key to achieving the best outcomes. SUMMARY The treatment of central airway stenosis is often multimodal and should focus on patient-centric factors, taking into account risks and benefits of the procedure, operator, and center expertise, and always occur in the context of a multidisciplinary approach. Evidence-based clinical research is increasingly driving patient management.
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- 2021
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8. Rare Association between Sarcoidosis and Smoldering Multiple Myeloma: A Case Report
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Wazhma Nasiri-Ahad, Alan Chang, Alpa G. Desai, James E. Davis, and Brooke N Learned
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Male ,Smoldering Multiple Myeloma ,Cancer Research ,Pathology ,medicine.medical_specialty ,Sarcoidosis ,medicine.diagnostic_test ,business.industry ,General Medicine ,Lung biopsy ,Middle Aged ,medicine.disease ,Disease activity ,medicine.anatomical_structure ,Oncology ,hemic and lymphatic diseases ,Biopsy ,Hypercalcemia ,medicine ,Humans ,Bone marrow ,Vitamin D ,business ,Multiple myeloma - Abstract
While several case reports suggest an association between sarcoidosis and multiple myeloma (MM), few cases involve smoldering MM. We report a case of sarcoidosis and smoldering MM discovered simultaneously in a patient admitted for hypercalcemia. Initial tests raised suspicion for sarcoidosis and MM, prompting invasive testing. Surgical lung biopsy revealed necrotizing granulomas, which could represent sarcoidosis in the appropriate setting. Thus, sarcoidosis was diagnosed following a negative infectious workup. Bone marrow biopsy revealed 13% plasma cells leading to subsequent diagnosis of smoldering MM. This case demonstrates the challenge of determining disease activity when other causes of CRAB symptoms are present.
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- 2021
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9. A prospective six-month audit of inpatient hypoglycemia in step-down general medical and geriatric wards
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P. Gerry Fegan, Jocelyn J. Drinkwater, Penny Dwyer, Timothy M. E. Davis, and Wendy A. Davis
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Adult ,Male ,medicine.medical_specialty ,Time Factors ,Critical Illness ,MEDLINE ,Audit ,Hypoglycemia ,Hospitals, General ,medicine ,Humans ,In patient ,Prospective Studies ,Aged ,Medical unit ,Aged, 80 and over ,Inpatients ,Clinical Audit ,Short Research Communication ,business.industry ,Incidence (epidemiology) ,Incidence ,Australia ,General Medicine ,Middle Aged ,medicine.disease ,Hospitalization ,Intensive Care Units ,Metabolic complication ,Geriatrics ,Emergency medicine ,Female ,business ,Hospital Units - Abstract
This study aimed to assess the incidence and associates of hypoglycemia in patients transferred after stabilization on an Acute Medical Unit to two general medical or two geriatric wards at an urban Australian hospital. In a six-month audit representing 20,284 patient-days of observation, 59 inpatients experienced hypoglycaemia (blood glucose ≤3.9 mmol/L) during 65 hospitalizations. Inpatients experiencing hypoglycemia accounted for 7.2% of all inpatient bed-days, a figure that was greater for general medical (9.2% of bed-days) compared with geriatric (6.0% of bed-days) wards (P
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- 2021
10. Analyzing Twitter Chatter About Tobacco Use Within Intoxication-related Contexts of Alcohol Use: 'Can Someone Tell Me Why Nicotine is So Fire When You’re Drunk?'
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Brian A. Primack, Jason B. Colditz, Adam E. Barry, Robert E. Davis, Alex M. Russell, Juanybeth M. Ortega, and Shelby Shields
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Nicotine ,medicine.medical_specialty ,Adolescent ,Psychological intervention ,Original Investigations ,Coding (therapy) ,Alcohol ,Electronic Nicotine Delivery Systems ,Young Adult ,chemistry.chemical_compound ,Tobacco ,Tobacco Smoking ,Humans ,Medicine ,Social media ,Young adult ,Psychiatry ,Social influence ,Ethanol ,business.industry ,Vaping ,Public Health, Environmental and Occupational Health ,Regret ,Alcoholism ,chemistry ,business ,Social Media ,medicine.drug - Abstract
Introduction Alcohol and tobacco are commonly used together. Social influences within online social networking platforms contribute to youth and young adult substance use behaviors. This study used a sample of alcohol- and tobacco-related tweets to evaluate: (1) sentiment toward co-use of alcohol and tobacco, (2) increased susceptibility to tobacco use when consuming alcohol, and (3) the role of alcohol in contributing to a failed attempt to quit tobacco use. Methods Data were collected from the Twitter API from January 1, 2019 through December 31, 2019 using tobacco-related keywords (e.g., vape, ecig, smoking, juul*) and alcohol-related filters (e.g., drunk, blackout*). A total of 78,235 tweets were collected, from which a random subsample (n = 1,564) was drawn for coding. Cohen’s Kappa values ranged from 0.66 to 0.99. Results Most tweets were pro co-use of alcohol and tobacco (75%). One of every ten tweets reported increased susceptibility to tobacco use when intoxicated. Non-regular tobacco users reported cravings for and tobacco use when consuming alcohol despite disliking tobacco use factors such as the taste, smell, and/or negative health effects. Regular tobacco users reported using markedly higher quantities of tobacco when intoxicated. Individuals discussed the role of alcohol undermining tobacco cessation attempts less often (2.0%), though some who had quit smoking for prolonged periods of time reported reinitiating tobacco use during acute intoxication episodes. Conclusions Tobacco cessation interventions may benefit from including alcohol-focused components designed to educate participants about the association between increased susceptibility to tobacco use when consuming alcohol and the role of alcohol in undermining tobacco cessation attempts. Implications Sentiment toward co-use of alcohol and tobacco on Twitter is largely positive. Individuals reported regret about using tobacco, or using more than intended, when intoxicated. Those who had quit smoking or vaping for prolonged periods of time reported reinitiating tobacco use when consuming alcohol. While social media-based tobacco cessation interventions like the Truth Initiative’s “Ditch the Juul” campaign demonstrate potential to change tobacco use behaviors, these campaigns may benefit from including alcohol-focused components designed to educate participants about the association between increased susceptibility to tobacco use when consuming alcohol and the role of alcohol in undermining tobacco cessation attempts.
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- 2021
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11. Important Discoveries in Dermatology: Acne and Isotretinoin
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Kyleen E. Davis
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Advanced and Specialized Nursing ,medicine.medical_specialty ,business.industry ,Peck (Imperial) ,Medicine ,business ,medicine.disease ,Dermatology ,Isotretinoin ,Acne ,medicine.drug - Published
- 2021
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12. Augmented reverse shoulder arthroplasty for complex instability with glenoid fracture: a case report
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Daniel E. Davis and Manan S. Patel
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Orthodontics ,business.industry ,medicine.medical_treatment ,Fracture (geology) ,Medicine ,Orthopedics and Sports Medicine ,Surgery ,Reverse shoulder ,business ,Instability ,Arthroplasty - Published
- 2021
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13. Trends in Strategic Napping in Surgical Residents by Gender, Postgraduate Year, Work Schedule, and Clinical Rotation
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Lindsay P. Schwartz, Jonathan E. Davis, Lisa Boyle, Jaime K. Devine, Elizabeth Mosher, Mark Smith, Shimae Fitzgibbons, Sarah Schumacher, and Steven R. Hursh
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medicine.medical_specialty ,Personnel Staffing and Scheduling ,Excessive daytime sleepiness ,Education ,03 medical and health sciences ,0302 clinical medicine ,Work Schedule Tolerance ,Humans ,Medicine ,Start time ,030212 general & internal medicine ,Fatigue ,business.industry ,Epworth Sleepiness Scale ,Internship and Residency ,Workload ,Nap ,Sleep patterns ,Cross-Sectional Studies ,Safety risk ,030220 oncology & carcinogenesis ,Work schedule ,Physical therapy ,Surgery ,medicine.symptom ,Sleep ,business - Abstract
Objective To identify surgical resident and clinical rotation attributes which predict on-shift napping through objectively measured sleep patterns and work schedules over a 2-month period. Design In a cross-sectional study, participants provided schedules, completed the Epworth Sleepiness Scale (ESS), and wore sleep-tracking devices (Zulu watch) continuously for 8 weeks. Multiple linear regression predicted percent days with on-shift napping from resident and rotation characteristics. Setting Greater Washington, DC area hospitals. Participants Twenty-two (n = 22) surgical residents rotating in at least 1 of 5 different clinical rotation categories. Results Residents slept 6 hours within a 24-hour period (370 ± 129 minutes) with normal sleep efficiency (sleep efficiency (SE): 87.13% ± 7.55%). Resident ESS scores indicated excessive daytime sleepiness (11.64 ± 4.03). Ninety-five percent (n = 21) of residents napped on-shift. Residents napped on-shift approximately 32% of their working days and were most likely to nap when working between 23:00 and 05:00 hours. Earlier shift start times predicted less on-shift napping (B = −0.08, SE = 0.04, β = −2.40, t = −2.09, p = 0.05) while working more night shifts (B = 1.55, SE = 0.44, β = 4.12, t = 3.52, p = 0.003) and shifts over 24 hours (B = 1.45, SE = 0.55, β = 1.96, t = 2.63, p = 0.01) predicted more frequent on-shift napping. Conclusions Residents are taking advantage of opportunities to nap on-shift. Working at night seems to drive on-shift napping. However, residents still exhibit insufficient sleep and daytime sleepiness which could reduce competency and represent a safety risk to themselves and/or patients. These findings will help inform intervention strategies which are tailored to surgical residents using a biomathematical model of fatigue.
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- 2021
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14. CAPTURE: a multinational, cross-sectional study of cardiovascular disease prevalence in adults with type 2 diabetes across 13 countries
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Fahri Bayram, Katerina Urbancova, Capture Study Investigators, Abdullah M. Alguwaihes, Shinichiro Shirabe, Csaba Lengyel, Guillermo Dieuzeide, Ofri Mosenzon, Jose Luis A. Leon, Nicolai Rhee, Giuseppina T. Russo, Sergio Vencio, Margit S Kaltoft, Patrice Darmon, Timothy M. E. Davis, Kirsten T. Eriksen, Tianpei Hong, The Hebrew University of Jerusalem (HUJ), King Saud University [Riyadh] (KSU), Erciyes University, Centre recherche en CardioVasculaire et Nutrition = Center for CardioVascular and Nutrition research (C2VN), Aix Marseille Université (AMU)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), The University of Western Australia (UWA), Novo Nordisk Inc, NOVO NORDISK PARK, Peking University [Beijing], University of Szeged [Szeged], Novo nordisk pharma, and University of Messina
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Male ,medicine.medical_specialty ,Time Factors ,Cross-sectional study ,[SDV]Life Sciences [q-bio] ,Endocrinology, Diabetes and Metabolism ,Prevalence ,Type 2 diabetes ,Non-interventional study ,Risk Assessment ,Glucagon-like peptide-1 receptor agonists ,chemistry.chemical_compound ,Interquartile range ,Risk Factors ,Diabetes mellitus ,Internal medicine ,medicine ,Humans ,Hypoglycemic Agents ,Diseases of the circulatory (Cardiovascular) system ,Original Investigation ,Aged ,business.industry ,Odds ratio ,Middle Aged ,Protective Factors ,medicine.disease ,Prognosis ,Cardiovascular disease ,Confidence interval ,Cross-Sectional Studies ,chemistry ,Diabetes Mellitus, Type 2 ,Cardiovascular Diseases ,Atherosclerotic cardiovascular disease ,RC666-701 ,Female ,Glycated hemoglobin ,Cardiology and Cardiovascular Medicine ,business ,Sodium-glucose co-transporter-2 inhibitors ,Demography - Abstract
Background There is a paucity of global data on cardiovascular disease (CVD) prevalence in people with type 2 diabetes (T2D). The primary objective of the CAPTURE study was to estimate the prevalence of established CVD and its management in adults with T2D across 13 countries from five continents. Additional objectives were to further characterize the study sample regarding demographics, clinical parameters and medication usage, with particular reference to blood glucose-lowering agents (GLAs: glucagon-like peptide-1 receptor agonists and sodium-glucose co-transporter-2 inhibitors) with demonstrated cardiovascular benefit in randomized intervention trials. Methods Data were collected from adults with T2D managed in primary or specialist care in Australia, China, Japan, Czech Republic, France, Hungary, Italy, Argentina, Brazil, Mexico, Israel, Kingdom of Saudi Arabia, and Turkey in 2019, using standardized methodology. CVD prevalence, weighted by diabetes prevalence in each country, was estimated for the overall CAPTURE sample and participating countries. Country-specific odds ratios for CVD prevalence were further adjusted for relevant demographic and clinical parameters. Results The overall CAPTURE sample included 9823 adults with T2D (n = 4502 from primary care; n = 5321 from specialist care). The overall CAPTURE sample had median (interquartile range) diabetes duration 10.7 years (5.6–17.9 years) and glycated hemoglobin 7.3% (6.6–8.4%) [56 mmol/mol (49–68 mmol/mol)]. Overall weighted CVD and atherosclerotic CVD prevalence estimates were 34.8% (95% confidence interval [CI] 32.7–36.8) and 31.8% (95% CI 29.7–33.8%), respectively. Age, gender, and clinical parameters accounted for some of the between-country variation in CVD prevalence. GLAs with demonstrated cardiovascular benefit were used by 21.9% of participants, which was similar in participants with and without CVD: 21.5% and 22.2%, respectively. Conclusions In 2019, approximately one in three adults with T2D in CAPTURE had diagnosed CVD. The low use of GLAs with demonstrated cardiovascular benefit even in participants with established CVD suggested that most were not managed according to contemporary diabetes and cardiology guidelines. Study registration NCT03786406 (registered on December 20, 2018), NCT03811288 (registered on January 18, 2019).
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- 2021
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15. Knowledge of ocular complications of diabetes in community-based people with type 2 diabetes: The Fremantle Diabetes Study II
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Timothy M. E. Davis, Fred K. Chen, Wendy A. Davis, and Jocelyn J. Drinkwater
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Male ,medicine.medical_specialty ,Endocrinology, Diabetes and Metabolism ,Eye disease ,030209 endocrinology & metabolism ,Type 2 diabetes ,Fundus (eye) ,03 medical and health sciences ,0302 clinical medicine ,Quality of life ,Diabetes mellitus ,Internal medicine ,Internal Medicine ,medicine ,Humans ,Mass Screening ,030212 general & internal medicine ,Aged ,Community based ,Diabetic Retinopathy ,Nutrition and Dietetics ,business.industry ,Australia ,Diabetic retinopathy ,medicine.disease ,eye diseases ,Diabetes Mellitus, Type 2 ,Cohort ,Quality of Life ,Female ,Family Practice ,business - Abstract
Aims To assess knowledge of diabetes-related eye disease in Australians with type 2 diabetes and its associations with diabetic retinopathy (DR), other ocular complications and vision-related quality of life. Methods A random sample from the Fremantle Diabetes Study Phase II cohort (n = 360) was invited to participate. Knowledge was assessed using 10 multiple-choice questions covering how diabetes affects the eyes, frequency of ophthalmic screening, risk factors, prevention, available treatments, and prognosis. DR was assessed from fundus photographs. Multiple linear regression was used to identify independent associates of the knowledge score (KS). Results We included 264 participants (mean ± SD age 72.1 ± 9.2 years, 56.8% male, median [IQR] diabetes duration 15.4 [11.1–22.3] years). The mean ± SD KS out of 10 was 5.3 ± 1.8. Most (67%) participants knew diabetes can affect the eye and lead to blindness. Only 13.6% knew that DR screening intervals depend on risk factors. Those with moderate non-proliferative DR (NPDR) or worse had a better knowledge score (B = 1.37,P = 0.008) after adjusting for age (B = −0.03, P = 0.004) and education beyond primary school (B = 1.75, P Conclusions Overall knowledge of diabetes-related ocular complications was suboptimal. Education targeting eye disease may benefit people with type 2 diabetes who are older, less well educated and/or who have no DR/mild NPDR.
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- 2021
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16. CD19 target evasion as a mechanism of relapse in large B-cell lymphoma treated with axicabtagene ciloleucel
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Sattva S. Neelapu, Richard E. Davis, Soumya Poddar, Patrick M. Reagan, Shao Qing Kuang, Linghua Wang, Zixing Wang, Frederick L. Locke, John M. Rossi, Scott J. Rodig, Fuliang Chu, Ian W. Flinn, Lazaros J. Lekakis, Francisco Vega, Caron A. Jacobson, Justin Chou, Adrian Bot, Guangchun Han, Zahid Bashir, David B. Miklos, and Vicki Plaks
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Adult ,Male ,Antigens, CD19 ,Immunology ,Biochemistry ,CD19 ,Text mining ,Recurrence ,Humans ,Medicine ,Letter to Blood ,B-cell lymphoma ,Biological Products ,biology ,business.industry ,Mechanism (biology) ,Cell Biology ,Hematology ,Middle Aged ,Evasion (ethics) ,medicine.disease ,Neoplasm Proteins ,Lymphoma ,biology.protein ,Cancer research ,Female ,Tumor Escape ,Lymphoma, Large B-Cell, Diffuse ,business - Published
- 2021
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17. Fatigue in surgical residents an analysis of duty-hours and the effect of hypothetical naps on predicted performance
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Lisa Boyle, Steven R. Hursh, Shimae Fitzgibbons, Mark Smith, Jonathan E. Davis, and Lindsay P. Schwartz
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medicine.medical_specialty ,Duty hours ,Personnel Staffing and Scheduling ,Task (project management) ,Work hours ,03 medical and health sciences ,Patient safety ,0302 clinical medicine ,Sleep debt ,Humans ,Medicine ,030212 general & internal medicine ,Fatigue ,business.industry ,Internship and Residency ,General Medicine ,Models, Theoretical ,General Surgery ,Physical therapy ,Sleep Deprivation ,Surgery ,Clinical Competence ,Sleep (system call) ,Sleep ,business ,030217 neurology & neurosurgery ,Work scheduling ,Sleep loss - Abstract
Purpose Sleep loss and fatigue, common in resident physicians, are related to increased medical errors and decreased physician wellbeing. Biomathematical modeling of fatigue can illuminate the relationship between surgical resident fatigue and work scheduling. Methods General surgery resident schedules were analyzed using the Sleep, Activity, Fatigue and Task Effectiveness model to predict resident performance during work hours. Hypothetical naps were built into the model to assess their effect on predicted performance and fatigue risk. Results 12 months of duty-hours logged by 89 residents, ranging from post-graduate year (PGY) 1–5, were analyzed. Residents had moderate levels of fatigue risk over 12 month schedules, with at least an 8-h sleep debt during 24.36% of shifts. Performance scores decreased as shift lengths increased. The addition of hypothetical naps increased predicted performance and reduced shift time with fatigue risk. Conclusions Biomathematical modeling of resident schedules and predicts a concerning level of fatigue and decreased effectiveness. Naps may improve performance without decreasing scheduled hours.
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- 2021
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18. Association of frailty with long-term homecare utilization in older adults following cancer surgery: Retrospective population-based cohort study
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Amy T Hsu, Haoyu Zhao, Frances C. Wright, Natalie G. Coburn, Victoria Zuk, Alyson L. Mahar, Tyler R. Chesney, Julie Hallet, Laura E. Davis, and Barbara Haas
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Male ,Pediatrics ,medicine.medical_specialty ,Time Factors ,Population ,Rate ratio ,Cancer resection ,03 medical and health sciences ,Population based cohort ,0302 clinical medicine ,Neoplasms ,medicine ,Humans ,030212 general & internal medicine ,education ,Geriatric Assessment ,Aged ,Retrospective Studies ,Aged, 80 and over ,Postoperative Care ,education.field_of_study ,Frailty ,business.industry ,Hazard ratio ,Age Factors ,General Medicine ,Home Care Services ,Oncology ,Geriatric oncology ,030220 oncology & carcinogenesis ,Preoperative Period ,Female ,Surgery ,business ,Cancer surgery ,Follow-Up Studies ,Cohort study - Abstract
Introduction Frailty is an important prognostic factor, and the association with postoperative dependence is important outcome to older adults. We examined the association of frailty with long-term homecare utilization for older adults following cancer surgery. Methods In this population-based cohort study, we determined frailty status in all older adults (≥70 years old) undergoing cancer resection (2007–2017). Outcomes were receipt of homecare and intensity of homecare (days per month) over 5 years. We estimated the adjusted association of frailty with outcomes, and assessed interaction with age. Results Of 82,037 patients, 6443 (7.8%) had frailty. Receipt and intensity of homecare was greater with frailty, but followed similar trajectories over 5 years between groups. Homecare receipt peaked in the first postoperative month (51.4% frailty, 43.1% no frailty), and plateaued by 1 year until 5 years (28.5% frailty, 12.8% no frailty). After 1 year, those with frailty required 4 more homecare days per month than without frailty (14 vs 10 days/month). After adjustment, frailty was associated with increased homecare receipt (hazard ratio 1.40; 95%CI 1.35–1.45), and increasing intensity each year (year 1 incidence rate ratio [IRR] 1.22, 95%CI 1.18–1.27 to year 5 IRR 1.47, 95%CI 1.35–1.59). The magnitude of the association of frailty with homecare receipt decreased with age (pinteraction Conclusion While the trajectory of homecare receipt and intensity is similar between those with and without frailty, frailty is associated with increased receipt of homecare and increased intensity of homecare after cancer surgery across all age groups.
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- 2021
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19. Efficacy and Safety of Ertugliflozin in Patients with Type 2 Diabetes Inadequately Controlled by Metformin and Sulfonylurea: A Sub-Study of VERTIS CV
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Ira Gantz, Timothy M. E. Davis, Robert Frederich, Jie Liu, Giuseppe Derosa, Matthew J. Budoff, Alexandra G. Palmer, and David Lawrence
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medicine.medical_specialty ,HbA1c ,endocrine system diseases ,Ertugliflozin ,medicine.drug_class ,Endocrinology, Diabetes and Metabolism ,Type 2 diabetes ,Hypoglycemia ,Placebo ,Gastroenterology ,Glycemic control ,Sulfonylurea ,Diabetes mellitus ,Internal medicine ,Internal Medicine ,medicine ,Adverse effect ,Original Research ,Glycemic ,Type 2 diabetes mellitus ,business.industry ,nutritional and metabolic diseases ,SGLT2 inhibitor ,medicine.disease ,Metformin ,business ,medicine.drug - Abstract
Introduction VERTIS CV is the cardiovascular outcome trial for the sodium–glucose cotransporter 2 (SGLT2) inhibitor ertugliflozin. A sub-study was conducted to assess the efficacy and safety of ertugliflozin in patients with type 2 diabetes mellitus (T2DM) inadequately glycemic-controlled on metformin and a sulfonylurea (SU). Methods Patients with T2DM, established atherosclerotic cardiovascular disease (ASCVD), and an HbA1c of 7.0–10.5% on stable metformin (≥ 1500 mg/day) and moderate to high SU doses were randomly assigned to once-daily ertugliflozin (5 or 15 mg) or placebo. The primary sub-study objectives were to assess the effect of ertugliflozin on HbA1c compared with placebo and to evaluate safety following 18 weeks of treatment. Key secondary endpoints included changes in fasting plasma glucose (FPG), body weight (BW), blood pressure (BP), and the proportion of patients achieving HbA1c
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- 2021
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20. Evaluation of scar revision after inadequate primary excision of cutaneous mast cell tumors in 85 dogs (2000–2013)
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Jeffrey J. Runge, E. Davis, Georga T. Karbe, David E. Holt, and Dorothy Cimino Brown
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Male ,Reoperation ,medicine.medical_specialty ,Neoplasm, Residual ,Skin Neoplasms ,Scar revision ,040301 veterinary sciences ,Scars ,Mast cell tumors ,0403 veterinary science ,Cicatrix ,03 medical and health sciences ,Dogs ,0302 clinical medicine ,medicine ,Animals ,Clinical significance ,Dog Diseases ,Mast Cells ,Retrospective Studies ,Cause of death ,General Veterinary ,Tumor size ,business.industry ,Medical record ,Margins of Excision ,Retrospective cohort study ,04 agricultural and veterinary sciences ,Surgery ,Treatment Outcome ,030220 oncology & carcinogenesis ,Female ,Neoplasm Recurrence, Local ,medicine.symptom ,business - Abstract
Objective To determine the frequency of residual tumor, and factors associated with local recurrence and disease progression in dogs with incompletely excised mast cell tumors (MCT) following scar revision surgery. Study design Retrospective study. Animals Eighty-five dogs. Methods Medical records from January 2000 to April 2013 were reviewed. Dogs with scar revision surgery after incomplete primary MCT excision were included. Recorded were signalment; initial tumor size, location and grade; time interval between primary excision and scar revision surgery; presence of MCT in the resected scar; local recurrence, lymph node metastasis, systemic metastasis, and cause of death. Results Eighty six tumors in 85 dogs were studied. Residual MCT was found in 23 (27%) resected scars. Seven (8%) scars with residual MCT had incomplete or narrow margins. Follow-up was available for 68 dogs (69 tumors; median 403 days; range 4-2939). Local recurrence was reported in three (4%) dogs at 212, 555, and 993 days. Disease progressed in 10 dogs (14.5%) with regional or systemic metastasis at a median of 207 days (64-1583). Margin status and presence of MCT in the resected scar were not associated with local recurrence or disease progression. Lymph node metastasis (p = .004), locoregional recurrence (p = .013), and disease progression (p = .001) were significantly more likely in Grade III tumors. Conclusion Twenty-seven percent of resected scars contained residual MCT, but recurrence was uncommon after surgical revision. Clinical significance Clinicians should primarily consider tumor grade when estimating the likelihood of local recurrence and disease progression and determining the need for ancillary treatment of MCT after scar resection.
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- 2021
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21. Association Between Preoperative Patient-Reported Symptoms and Postoperative Outcomes in Rectal Cancer Patients: A Retrospective Cohort Study
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Rinku Sutradhar, Alyson L. Mahar, Natalie G. Coburn, Laura E. Davis, Paul J. Karanicolas, Vaibhav Gupta, Yunni Jeong, and Lev D. Bubis
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Male ,medicine.medical_specialty ,Colorectal cancer ,medicine.medical_treatment ,Patient Readmission ,03 medical and health sciences ,Postoperative Complications ,0302 clinical medicine ,Internal medicine ,medicine ,Humans ,Hospital Mortality ,Patient Reported Outcome Measures ,Aged ,Retrospective Studies ,Hospital readmission ,Proctectomy ,Rectal Neoplasms ,business.industry ,Symptom burden ,Cancer ,Retrospective cohort study ,Chemoradiotherapy, Adjuvant ,Emergency department ,Perioperative ,Middle Aged ,medicine.disease ,Neoadjuvant Therapy ,Radiation therapy ,030220 oncology & carcinogenesis ,Preoperative Period ,Female ,Radiotherapy, Adjuvant ,030211 gastroenterology & hepatology ,Surgery ,Symptom Assessment ,business - Abstract
Background Rectal cancer patients undergoing preoperative radiotherapy experience a significant symptom burden. However, it is unknown whether symptoms during radiotherapy may portend adverse postoperative outcomes and healthcare utilization. Methods A retrospective cohort study was performed of rectal cancer patients undergoing neoadjuvant radiotherapy and proctectomy in Ontario from 2007 to 2014. The primary outcome was a complicated postoperative course–a dichotomous variable created as a composite of postoperative mortality, major morbidity, or hospital readmission. Patient-reported Edmonton Symptom Assessment System (ESAS) scores, collected routinely at outpatient provincial cancer center visits, were linked to administrative healthcare databases. The receiver-operating characteristic analysis was used to compare ESAS scoring approaches and to stratify patients into low versus high symptom score groups. Multivariable regression models were constructed to evaluate associations between preoperative symptom scores and postoperative outcomes. Results 1455 rectal cancer patients underwent sequential radiotherapy and proctectomy during the study period and recorded symptom assessments. Patients with high preoperative symptom scores were significantly more likely to experience a complicated postoperative course (OR 1.55, 95% CI 1.23-1.95). High preoperative ESAS scores were also associated with the secondary outcomes of emergency department visits (OR 1.34, 95% CI 1.08-1.66) and longer length of stay (IRR 1.23, 95% CI 1.04-1.45). Conclusions Rectal cancer patients reporting elevated symptom scores during neoadjuvant radiotherapy have increased odds of experiencing a complicated postoperative course. Preoperative patient-reported outcome screening may be a useful tool to identify at-risk patients and to efficiently direct perioperative supportive care.
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- 2021
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22. Identified Enrollment Challenges of Adolescent and Young Adult Patients on the Nonchemotherapy Arm of Children's Oncology Group Study ARST1321
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Bree R. Eaton, Wendy Allen-Rhoades, Katherine Anne Thornton, Katherine A. Janeway, Safia K. Ahmed, Shreyaskumar Patel, Damon R. Reed, Yen-Lin Chen, Thomas J. Scharschmidt, Denise K. Reinke, Aaron R. Weiss, Dian Wang, R. Lor Randall, Richard F. Riedel, Douglas S. Hawkins, Lisa M. Kopp, Viswatej Avutu, Lara E. Davis, and Daniel J. Indelicato
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Adult ,medicine.medical_specialty ,Pediatric Research Initiative ,Adolescent ,Accrual ,Pediatric Cancer ,Clinical Trials and Supportive Activities ,Oncology and Carcinogenesis ,cooperative groups ,Soft Tissue Neoplasms ,Nursing ,NCTN ,Young Adult ,Rare Diseases ,Clinical Research ,Completion rate ,Surveys and Questionnaires ,Medicine ,Cooperative group ,Humans ,survey ,Young adult ,Cancer ,Pediatric ,Clinical Trials as Topic ,clinical trials ,Group study ,business.industry ,Soft tissue sarcoma ,Evaluation of treatments and therapeutic interventions ,Sarcoma ,Hematology ,medicine.disease ,Clinical trial ,Oncology ,Family medicine ,6.1 Pharmaceuticals ,Pediatrics, Perinatology and Child Health ,Public Health and Health Services ,enrollment barriers ,Brief Reports ,Patient Participation ,business - Abstract
ARST1321, a trial of patients with advanced soft tissue sarcoma, was the first National Clinical Trials Network study codeveloped by pediatric and adult consortia with two treatment cohorts. We report on the findings of a survey to identify barriers to enrolling adolescent and young adult patients (15-39 years) onto the nonchemotherapy arm. The survey response rate was 31% with a 70% completion rate. Common identified reasons for low accrual in order of decreasing frequency included insufficient funding, lack of study awareness or interest, competing trials, toxicity concerns, philosophical differences in the therapy backbone, and regulatory and infrastructure barriers. Clinical Trials.gov ID: NCT02180867.
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- 2022
23. Prolonged Disease Control on Nivolumab for Primary Pulmonary NUT Carcinoma
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Steven Kao, Kirby Wong, Annabelle Mahar, Megan B Barnet, and Alexander E. Davis
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Adult ,Pulmonary and Respiratory Medicine ,Oncology ,Nut ,Cancer Research ,medicine.medical_specialty ,Lung Neoplasms ,medicine.medical_treatment ,Antineoplastic Agents, Immunological ,Carcinoma, Non-Small-Cell Lung ,Internal medicine ,Carcinoma ,medicine ,Humans ,Lung cancer ,business.industry ,Immunotherapy ,medicine.disease ,Disease control ,Nivolumab ,Treatment Outcome ,Female ,business - Published
- 2021
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24. The Cost-Effectiveness and Budget Impact of Ibalizumab-uiyk for Adults with Multidrug-Resistant HIV-1 Infection in the United States
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Sandra E. Talbird, Anita Brogan, Elizabeth M. La, Ashley E. Davis, and Princy Kumar
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Pharmacology ,medicine.medical_specialty ,education.field_of_study ,Health economics ,Ibalizumab ,business.industry ,Cost effectiveness ,030503 health policy & services ,Health Policy ,Public health ,Population ,Public Health, Environmental and Occupational Health ,Health administration ,Clinical trial ,03 medical and health sciences ,0302 clinical medicine ,Health care ,Medicine ,030212 general & internal medicine ,0305 other medical science ,business ,education ,health care economics and organizations ,Demography ,medicine.drug - Abstract
Ibalizumab-uiyk (ibalizumab) is a first-in-class, long-acting, postattachment HIV-1 inhibitor for adults with multidrug-resistant (MDR) HIV-1 infection. This analysis examines the cost-effectiveness and budget impact of ibalizumab treatment for this difficult-to-treat population in the United States. A Markov model followed cohorts of adults with MDR HIV-1 infection through two final lines of antiretroviral therapy: ibalizumab + optimized background therapy (OBT) or OBT alone followed by nonsuppressive therapy. Model inputs were based on ibalizumab clinical trial data, market uptake projections, and published literature, with costs in 2019 dollars. The cost-effectiveness analysis assessed costs and health outcomes from a health care sector perspective for individuals receiving ibalizumab + OBT versus OBT alone over a lifetime time horizon. The budget-impact analysis estimated the impact on payer budgets of the introduction of ibalizumab over 3 years for a hypothetical commercial health plan. Compared with individuals receiving OBT alone, individuals receiving ibalizumab + OBT incurred higher costs but lived longer, healthier lives, with an incremental cost of $133,040 per QALY gained. For a hypothetical commercial health plan with 1 million members, the introduction of ibalizumab + OBT was estimated to increase budgets by $217,260, $385,245, and $560,310 ($0.018, $0.032, and $0.047 per member per month) in years 1, 2, and 3, respectively. These results were found to be robust in sensitivity and scenario analyses. Ibalizumab may represent a cost-effective and affordable option to improve health outcomes for individuals with MDR HIV-1 infection.
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- 2021
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25. The impact of tranexamic acid on administration of red blood cell transfusions for resection of colorectal liver metastases
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Ramy Behman, Rachel Roke, Madeline Lemke, Julie Hallet, Laura E. Davis, Natalie G. Coburn, Calvin Law, Kaitlyn Beyfuss, Sherif S. Hanna, Alisha A. Jaffer, and Paul J. Karanicolas
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medicine.medical_specialty ,medicine.medical_treatment ,Blood Loss, Surgical ,030230 surgery ,Resection ,03 medical and health sciences ,0302 clinical medicine ,Primary outcome ,Hepatectomy ,Humans ,Medicine ,Hepatology ,business.industry ,Liver Neoplasms ,Gastroenterology ,Antifibrinolytic Agents ,Surgery ,Red blood cell ,medicine.anatomical_structure ,Tranexamic Acid ,030220 oncology & carcinogenesis ,Inflow occlusion ,Colorectal Neoplasms ,Erythrocyte Transfusion ,business ,Tranexamic acid ,medicine.drug - Abstract
Red blood cell transfusions (RBCT) remain a concern for patients undergoing hepatectomy. The effect of tranexamic acid (TXA), an anti-fibrinolytic, on receipt of RBCT in colorectal liver metastases (CRLM) resection was examined.Hepatectomies for CRLM over 2009-2014 were included. Primary outcome was 30-day receipt of RBCT. Secondary outcomes were 30-day major morbidity (Clavien-Dindo III-V) and 90-day mortality. Multivariable modelling examined the adjusted association between TXA and outcomes.Of 433 included patients, 146 (34%) received TXA. TXA patients were more likely to have inflow occlusion (41.8% vs. 23.1%; p 0.01) and major hepatectomies (56.1% vs. 45.6%; p = 0.0193). TXA was independently associated with lower risk of RBCT (Relative risk (RR) 0.59; 95% confidence interval (95%CI): 0.42-0.85), but not with 30-day major morbidity (adjusted RR 1.02; 95%CI: 0.64-1.60) and 90-day mortality (univariable RR 0.99; 95%CI: 0.95-1.03).Intraoperative TXA was associated with a 41% reduction in risk of 30 -day receipt of RBCT after hepatectomy for CRLM. This finding is important to potentially improve healthcare resource allocation and patient outcomes. Pending further evidence, intraoperative TXA may be an effective method of reducing RBCT in hepatectomy for CRLM.
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- 2021
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26. The effectiveness of a new dried human amnion derived membrane in addition to standard care in treating diabetic foot ulcers: A patient and assessor blind, randomised controlled pilot study
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K. Chokkalingam, Katie Gray, Apostolos Fakis, Rachelle Sherman, Michael Jones, Frances Game, Zak Connan, and Daniel E Davis
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Male ,medicine.medical_specialty ,medicine.medical_treatment ,wound healing ,Pilot Projects ,Dermatology ,Type 2 diabetes ,law.invention ,Double blind ,030207 dermatology & venereal diseases ,03 medical and health sciences ,0302 clinical medicine ,Standard care ,Randomized controlled trial ,law ,Internal medicine ,amputation ,medicine ,Humans ,030212 general & internal medicine ,Amnion ,Prospective Studies ,amniotic membrane ,business.industry ,Original Articles ,Middle Aged ,medicine.disease ,Diabetic foot ,Diabetic Foot ,medicine.anatomical_structure ,Diabetic foot ulcer ,Amputation ,Diabetes Mellitus, Type 2 ,Surgery ,Original Article ,Female ,business ,diabetic foot ulcer - Abstract
Recent reviews suggest that amniotic membrane products may accelerate healing of diabetic foot ulcers. A new dried human amniotic membrane (dHAM) has been used for ocular ulcers but not for diabetic foot ulcers. This was a multi‐centre, prospective, patient and observer blind, randomised controlled pilot trial, to investigate whether 2 weekly addition of the dHAM to standard care versus standard care alone increased the proportion of healed participants' index foot ulcers within 12 weeks. Thirty‐one people (mean age 59.8 years, 81% male, 87% type 2 diabetes) were randomised (15 dHAM, 16 usual care). Within 12 weeks, healing occurred in 4 (27%) ulcers in the dHAM group versus 1 (6.3%) usual care group (P = .1). Percentage wound area reduction was higher in the dHAM versus control group. (P = .0057). There was no difference in AEs between the two groups. Six participants allocated to dHAM correctly identified their treatment group, although 5 in usual care incorrectly thought they were in the intervention arm. This pilot trial result is encouraging showing that this dHAM preparation is safe and promising treatment. These results will be used to design a statistically powered, definitive double blind randomised controlled trial.
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- 2021
27. The Influence of Religious Participation and Use of Traditional Medicine on Type 2 Diabetes Control in Urban Ghana
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Lambert Tetteh Appiah, Rachel E. Davis, Marian Botchway, Spencer Moore, and Anwar T. Merchant
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medicine.medical_specialty ,endocrine system diseases ,Control (management) ,Medical pluralism ,050109 social psychology ,Type 2 diabetes ,Ghana ,03 medical and health sciences ,Hba1c level ,0302 clinical medicine ,Intervention (counseling) ,Medicine ,0501 psychology and cognitive sciences ,030212 general & internal medicine ,Disease management (health) ,Gezondheid en Maatschappij ,General Nursing ,Religious participation ,Traditional medicine ,business.industry ,Public health ,05 social sciences ,Religious studies ,nutritional and metabolic diseases ,Type 2 Diabetes Mellitus ,General Medicine ,medicine.disease ,Health and Society ,Increased HbA1c levels ,business - Abstract
This study examined whether the frequency of participation in religious activities and seeking care from spiritual and other traditional medicine (TM) practitioners were associated with blood glucose (HbA1c) control among urban Ghanaians with type 2 diabetes mellitus (T2DM). Findings revealed that increased frequency of participation in religious activities was significantly associated with decreased HbA1c levels, whereas increased use of TM practitioners was significantly associated with increased HbA1c levels. These findings suggest that strategically integrating religious activities into disease management plans for Ghanaians with T2DM who identify as being religious may be a viable intervention mechanism.
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- 2021
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28. Temporal Trends in Incident Hospitalization for Diabetes-Related Foot Ulcer in Type 2 Diabetes: The Fremantle Diabetes Study
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Timothy M. E. Davis, Ranita Siru, Emma J. Hamilton, Paul Norman, Mendel Baba, and Wendy A. Davis
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Adult ,Male ,Research design ,medicine.medical_specialty ,Endocrinology, Diabetes and Metabolism ,medicine.medical_treatment ,030209 endocrinology & metabolism ,Type 2 diabetes ,Revascularization ,Young Adult ,03 medical and health sciences ,chemistry.chemical_compound ,0302 clinical medicine ,Risk Factors ,Diabetes mellitus ,Internal medicine ,Internal Medicine ,Humans ,Medicine ,Longitudinal Studies ,030212 general & internal medicine ,Aged ,Glycemic ,Advanced and Specialized Nursing ,Creatinine ,business.industry ,Proportional hazards model ,Middle Aged ,medicine.disease ,Diabetic Foot ,Hospitalization ,Diabetes Mellitus, Type 2 ,chemistry ,Cohort ,Female ,business - Abstract
OBJECTIVE To determine whether, reflecting trends in other chronic complications, incident hospitalization for diabetes-related foot ulcer (DFU) has declined over recent decades in type 2 diabetes. RESEARCH DESIGN AND METHODS Participants with type 2 diabetes from the community-based Fremantle Diabetes Study phases I (FDS1; 1,296 participants, mean age 64.0 years, 48.6% males, recruited 1993–1996) and II (FDS2; 1,509 participants, mean age 65.4 years, 51.8% males, recruited 2008–2011) were followed from entry to first hospitalization for/with DFU, death, or 5 years (whichever came first). Incident rate ratios (IRRs) and incident rate differences (IRDs) were calculated for FDS2 versus FDS1 overall and in 10-year age-groups. Cox proportional hazards modeling determined independent predictors of first DFU hospitalization in the combined cohort. RESULTS Incident DFU hospitalization (95% CI) was 1.9 (0.9–3.3)/1,000 person-years in FDS1 during 5,879 person-years of follow-up and 4.5 (3.0–6.4)/1,000 person-years in FDS2 during 6,915 person-years of follow-up. The crude IRR (95% CI) was 2.40 (1.17–5.28) (P = 0.013) and IRD 2.6 (0.7–4.5)/1,000 person-years (P = 0.010). The highest IR for any age-group was 23.6/1,000 person-years in FDS2 participants aged 31–40 years. Age at diabetes diagnosis (inverse), HbA1c, insulin use, height, ln(urinary albumin/creatinine), absence of any foot pulse, previous peripheral revascularization, and peripheral sensory neuropathy (PSN) were independent predictors of incident hospitalization for/with DFU. CONCLUSIONS Incident DFU hospitalizations complicating type 2 diabetes increased between FDS phases, especially in younger participants, and were more likely in those with PSN, peripheral arterial disease, and suboptimal glycemic control at baseline.
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- 2021
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29. Use of trajectory models to track air pollution from source to exposure: A methodological approach for identifying communities at risk
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Pamela B. DeGuzman, Aubrey L. Doede, and Robert E. Davis
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medicine.medical_specialty ,Population ,Air pollution ,Population health ,medicine.disease_cause ,03 medical and health sciences ,0302 clinical medicine ,Air Pollution ,medicine ,Humans ,030212 general & internal medicine ,education ,General Nursing ,Air Pollutants ,education.field_of_study ,030504 nursing ,business.industry ,Public health ,Environmental resource management ,Public Health, Environmental and Occupational Health ,Public health nursing ,Environmental Exposure ,Environmental exposure ,Health equity ,Community health ,Environmental science ,Particulate Matter ,0305 other medical science ,business ,Environmental Monitoring - Abstract
Objective Ongoing environmental changes increasingly require public health nurses to understand how environmental factors impact the health of populations. One approach to researching these impacts is incorporating environmental research methods to determine associations between harmful exposures and health. We use the Salton Sea in Southern California as a demonstration of how environmental exposure can be examined using air parcel trajectory analysis. Design We demonstrate a methodology for public health nurses to better understand and apply data from the Hybrid Single-Particle Lagrangian Integrated Trajectory meteorological model to estimate the effect of airborne particulate matter from a single source. Measurements We explain a method for tracking air parcel trajectories to populations: selection of meterological data to identify air parcels, geographic identification of population centers, generation of trajectories, classification of trajectory dispersions, adjusting for atmospheric stability, and merging environmental variables with health data. Conclusions Climate change-related environmental events are expected to become more commonplace and disproportionately affect those populations impacted by health disparities. Public health nurses can identify communities at risk so that public health nursing researchers can use these techniques in collaboration with environmental science to robustly examine health effects of proximal air pollution sources for communities at risk.
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- 2021
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30. Agency theory utility and social entrepreneurship: issues of identity and role conflict
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Phillip E. Davis, Joshua S. Bendickson, Jeffrey Muldoon, and William C. McDowell
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Original Paper ,L26 ,M14 ,business.industry ,Field (Bourdieu) ,05 social sciences ,Principal–agent problem ,Social entrepreneurship ,Identity (social science) ,Mindset ,06 humanities and the arts ,Public relations ,0603 philosophy, ethics and religion ,Social issues ,General Business, Management and Accounting ,Role conflict ,0502 economics and business ,Agency (sociology) ,Agency theory ,060301 applied ethics ,Sociology ,business ,050203 business & management - Abstract
Social entrepreneurs are often at the forefront of remedying complex societal issues by linking the entrepreneurial mindset with approaches to solving these systemic societal issues. We build upon existing notions regarding the field of social entrepreneurship and existing forms of social entrepreneurship while deepening the understanding of the different roles that social entrepreneurs must embody on a daily basis. Agency theory is used by identifying principal and agent factors underlying social entrepreneurship in terms of role stressors and role conflict. We outline varying types of social entrepreneurs and discuss role duality, an area with room for much exploration. We also identify and discuss problems for principals and agents within these types of social entrepreneurship. Thus we contribute to the literature (1) by extending on the types of social entrepreneurs, (2) by identifying the threats that social entrepreneurs face through an agency lens; namely the dual role that social entrepreneurs must embark upon, and (3) by describing the boundary conditions of the different social entrepreneur types, we link the potential challenges of social entrepreneurship with a deeper look into the growing domain that is social entrepreneurship.
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- 2021
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31. Importance of Advocacy from the Orthopedic Surgeon
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Daniel E. Davis
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030222 orthopedics ,medicine.medical_specialty ,business.industry ,Health Policy ,Direct patient care ,Politics ,Legislation ,Legislature ,Orthopedic Surgeons ,030229 sport sciences ,United States ,03 medical and health sciences ,0302 clinical medicine ,Nursing ,Orthopedic surgery ,Health care ,medicine ,Humans ,Orthopedics and Sports Medicine ,Physician's Role ,business ,Delivery of Health Care ,Health policy - Abstract
Over the past century, governmental involvement in the delivery of health care has grown steadily through health policy initiatives and increased regulations. Traditionally, the involvement in this process for the orthopedic surgeon was minimal because they were focused primarily on direct patient care. These two pathways have met a crossroads, however, where it has now become necessary for the orthopedic surgeon to advocate on behalf of themselves and their patients to guide and influence the legislative and regulatory processes. This article reviews the background of orthopedic advocacy and discusses ways in which the interested surgeon can become involved.
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- 2021
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32. Alzheimer amyloid-β- peptide disrupts membrane localization of glucose transporter 1 in astrocytes: implications for glucose levels in brain and blood
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Thomas Groves, Antiño R. Allen, Steven W. Barger, Yang Ou, Jakeira E. Davis, Angela K. Odle, Rachel D. Hendrix, and Gwen V. Childs
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Blood Glucose ,Male ,0301 basic medicine ,Aging ,medicine.medical_treatment ,Gene Expression ,Diabetes mellitus ,0302 clinical medicine ,Amyloid precursor protein ,Insulin ,Glucose Transporter Type 1 ,biology ,General Neuroscience ,Brain ,Amyloid β-peptide ,Female ,Alzheimer’s disease ,Type 2 ,Risk ,Genetically modified mouse ,medicine.medical_specialty ,Mice, Transgenic ,Article ,03 medical and health sciences ,Insulin resistance ,Alzheimer Disease ,Internal medicine ,medicine ,Animals ,Obesity ,Amyloid beta-Peptides ,business.industry ,Glucose transporter ,medicine.disease ,Peptide Fragments ,Glucose ,030104 developmental biology ,Endocrinology ,Diabetes Mellitus, Type 2 ,Astrocytes ,biology.protein ,Blood sugar regulation ,Neurology (clinical) ,Geriatrics and Gerontology ,business ,030217 neurology & neurosurgery ,Developmental Biology - Abstract
Alzheimer’s disease (AD) is associated with disturbances in blood glucose regulation, and type-2 diabetes elevates the risk for dementia. A role for amyloid-β peptide (Aβ) in linking these age-related conditions has been proposed, tested primarily in transgenic mouse lines that overexpress mutated amyloid precursor protein (APP). Because APP has its own impacts on glucose regulation, we examined the BRI-Aβ42 line (“Aβ42-tg”), which produces extracellular Aβ1–42 in the CNS without elevation of APP. We also looked for interactions with diet-induced obesity (DIO) resulting from a high-fat, high-sucrose (“western”) diet. Aβ42-tg mice were impaired in both spatial memory and glucose tolerance. Although DIO induced insulin resistance, Aβ1–42 accumulation did not, and the impacts of DIO and Aβ on glucose tolerance were merely additive. Aβ42-tg mice exhibited no significant differences from wild-type in insulin production, body weight, lipidemia, appetite, physical activity, respiratory quotient, an-/orexigenic factors, or inflammatory factors. These negative findings suggested that the phenotype in these mice arose from perturbation of glucose excursion in an insulin-independent tissue. To wit, cerebral cortex of Aβ42-tg mice had reduced glucose utilization, similar to human patients with AD. This was associated with insufficient trafficking of glucose transporter 1 to the plasma membrane in parenchymal brain cells, a finding also documented in human AD tissue. Together, the lower cerebral metabolic rate of glucose and diminished function of parenchymal glucose transporter 1 indicate that aberrant regulation of blood glucose in AD likely reflects a central phenomenon, resulting from the effects of Aβ on cerebral parenchyma, rather than a generalized disruption of hypothalamic or peripheral endocrinology. The involvement of a specific glucose transporter in this deficit provides a new target for the design of AD therapies.
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- 2021
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33. An environmental air sampler to evaluate personal exposure to volatile organic compounds
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Cristina E. Davis, Alexander G. Fung, Mitchell M. McCartney, Eva Borras, Maneeshin Y. Rajapakse, Nicholas J. Kenyon, Fauna M. Fabia, and Danny Yeap
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Nonanal ,Air sampler ,Biochemistry ,Hexanal ,Article ,Gas Chromatography-Mass Spectrometry ,Analytical Chemistry ,chemistry.chemical_compound ,Petroleum product ,Electrochemistry ,Humans ,Environmental Chemistry ,Spectroscopy ,Naphthalene ,Volatile Organic Compounds ,business.industry ,Prevention ,Air ,Environmental Exposure ,Toluene ,chemistry ,Environmental chemistry ,Environmental science ,Gas chromatography–mass spectrometry ,Other Chemical Sciences ,business ,Methyl salicylate - Abstract
A micro fabricated chip-based wearable air sampler was used to monitor the personnel exposure of volatile chemical concentrations in microenvironments. Six teenagers participated in this study and 14 volatile organic compounds (VOCs) including naphthalene, 3-decen-1-ol, hexanal, nonanal, methyl salicylate and limonene gave the highest abundance during routine daily activity. VOC exposure associated with daily activities and the location showed strong agreements with two of the participant's results. One of these subjects had the highest exposure to methyl salicylate that was supported by the use of a topical analgesic balm containing this compound. Environmental based air quality monitoring followed by the personnel exposure studies provided additional evidence associated to the main locations where the participants traveled. Toluene concentrations observed at a gas station were exceptionally high, with the highest amount observed at 1213.1 ng m-3. One subject had the highest exposure to toluene and the GPS data showed clear evidence of activities neighboring a gas station. This study shows that this wearable air sampler has potential applications including hazardous VOC exposure monitoring in occupational hazard assessment for certain professions, for example in industries that involve direct handling of petroleum products.
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- 2021
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34. Community‐based management of complex type 2 diabetes: adaptation of an integrated model of care in a general practice setting
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Wendy A. Davis, Brett A. Sillars, P. Gerry Fegan, Krishnamurthy Chikkaveerappa, Timothy M. E. Davis, and Jocelyn J. Drinkwater
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Blood Glucose ,Male ,medicine.medical_specialty ,General Practice ,Type 2 diabetes ,030204 cardiovascular system & hematology ,03 medical and health sciences ,0302 clinical medicine ,Patient satisfaction ,Diabetes mellitus ,Internal Medicine ,Humans ,Medicine ,Outpatient clinic ,030212 general & internal medicine ,Aged ,Glycated Hemoglobin ,business.industry ,Self-Management ,Middle Aged ,Community-based management ,medicine.disease ,Integrated care ,Blood pressure ,Diabetes Mellitus, Type 2 ,Emergency medicine ,Female ,business ,Body mass index - Abstract
BACKGROUND Overburdened hospital clinics can have adverse outcomes. AIMS To evaluate the effectiveness and patient acceptability of an integrated model of complex type 2 diabetes care delivered in a community-based general practice by upskilled general practitioners (GP) co-located with an endocrinologist and diabetes nurse educator. METHODS Patients transferred from hospital clinic lists or referred by local GP were assessed in two southern Perth practices. An upskilled GP and endocrinologist developed a management plan which was communicated to the participant's usual GP. Up to two follow-up visits over 6 months ensured that management was acceptable and effective. RESULTS A total of 464 people with type 2 diabetes (mean ± standard deviation age = 59.3 ± 13.7 years, 52.2% males) was enrolled. Their mean glycated haemoglobin (HbA1c ) was 9.3% (78 mmol/mol) and their mean body mass index 33.7 kg/m2 . Use of injectable blood glucose-lowering therapies increased between the initial and final visit in association with a median HbA1c reduction of 1.2% (13 mmol/mol) which was sustained to 12 months in assessable participants. There were also reductions in blood pressure, and serum low-density lipoprotein cholesterol and triglyceride concentrations. Patient satisfaction with current treatment, time for self-management, time spent in diabetes-related appointments and diabetes knowledge increased significantly. Non-attendance for scheduled appointments was
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- 2021
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35. Etiologies and management of haemophagocytic lymphohistiocytosis: is it time for an updated protocol and targeted treatments?
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Cara McLeod, William E. Davis, Therese F Posas-Mendoza, Jerald M. Zakem, and Robert Quinet
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Adult ,Male ,endocrine system ,medicine.medical_specialty ,Adolescent ,medicine.medical_treatment ,Malignancy ,Lymphohistiocytosis, Hemophagocytic ,Targeted therapy ,Young Adult ,03 medical and health sciences ,chemistry.chemical_compound ,0302 clinical medicine ,Tocilizumab ,Rheumatology ,hemic and lymphatic diseases ,Internal medicine ,medicine ,Humans ,Pharmacology (medical) ,Immunodeficiency ,Aged ,Retrospective Studies ,030203 arthritis & rheumatology ,Hemophagocytic lymphohistiocytosis ,business.industry ,Middle Aged ,medicine.disease ,Transplantation ,chemistry ,030220 oncology & carcinogenesis ,Macrophage activation syndrome ,Female ,Rituximab ,business ,medicine.drug - Abstract
Objective The objective of this study was to analyse the features, therapeutic approaches, and outcomes for adult patients with haemophagocytic lymphohistiocytosis (HLH) at a single centre. Methods This study was a retrospective chart review of all patients >18 years of age diagnosed with HLH according to HLH-2004 or H-score criteria at Ochsner Medical Center-New Orleans between 2013 and 2019. Results A total of 29 patients with HLH met inclusion criteria. A total of 7 patients had an underlying malignancy, 12 had an autoimmune disease, 2 were transplant patients, and 2 had a combination of malignancy, autoimmune disease, or immunodeficiency. A total of 6 patients developed HLH precipitated by infection alone. All 29 patients presented with fever. A total of 28 (97%) patients met H-score criteria, and only 20 (67%) met HLH-2004 criteria. Fifteen patients were treated with the HLH-2004 protocol. Of those treated with the HLH-2004 protocol, 73% (11/15) died, 8% (1/15) had recurrence of HLH, and 20% (3/15) had resolution of HLH. A total of 14 patients were treated with targeted therapy. Of those treated with targeted therapy, 93% (13/14) had resolution of HLH and 1 died. Targeted therapy included pulse steroids, tocilizumab, anakinra, IVIG, CSA, rituximab, and/or CYC in addition to antiviral or antibiotic therapy. Conclusion Our findings suggested that the rheumatologic patient population responded well to a targeted therapeutic approach and poorly to the HLH-2004 protocol. Whether the poor outcomes found with the use of the HLH-2004 protocol are secondary to the protocol itself or the aggressive nature of malignancy-associated HLH is unclear. Further studies are needed to develop tailored therapeutic regimens.
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- 2020
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36. High-Throughput Screening for Drugs That Inhibit Papain-Like Protease in SARS-CoV-2
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Patrick R. Griffin, Michael Farzan, Louis Scampavia, Emery Smith, Pierre Baillargeon, Tu Trinh Nguyen, Mitchell V. Hull, Timothy S. Strutzenberg, Meredith E. Davis-Gardner, Ruben D. Garcia-Ordonez, Timothy P. Spicer, and Emily Chen
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0301 basic medicine ,Drug ,medicine.medical_treatment ,High-throughput screening ,media_common.quotation_subject ,Disease ,Bleomycin ,Antiviral Agents ,01 natural sciences ,Biochemistry ,Analytical Chemistry ,03 medical and health sciences ,chemistry.chemical_compound ,Protein-fragment complementation assay ,Papain ,Pandemic ,medicine ,Humans ,Cytotoxic T cell ,Protease Inhibitors ,Coronavirus 3C Proteases ,media_common ,Protease ,SARS-CoV-2 ,business.industry ,Virology ,High-Throughput Screening Assays ,COVID-19 Drug Treatment ,0104 chemical sciences ,010404 medicinal & biomolecular chemistry ,HEK293 Cells ,030104 developmental biology ,chemistry ,Molecular Medicine ,business ,Biotechnology - Abstract
The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in late 2019 has triggered an ongoing global pandemic whereby infection may result in a lethal severe pneumonia-like disease designated as coronavirus disease 2019 (COVID-19). To date, millions of confirmed cases and hundreds of thousands of deaths have been reported worldwide, and there are currently no medical countermeasures available to prevent or treat the disease. The purported development of a vaccine could require at least 1-4 years, while the typical timeline from hit finding to drug registration of an antiviral is >10 years. Thus, repositioning of known drugs can significantly accelerate the development and deployment of therapies for COVID-19. To identify therapeutics that can be repurposed as SARS-CoV-2 antivirals, we developed and initiated a high-throughput cell-based screen that incorporates the essential viral papain-like protease (PLpro) and its peptide cleavage site into a luciferase complementation assay to evaluate the efficacy of known drugs encompassing approximately 15,000 clinical-stage or US Food and Drug Administration (FDA)-approved small molecules. Confirmed inhibitors were also tested to determine their cytotoxic properties. Here, we report the identification of four clinically relevant drugs that exhibit selective inhibition of the SARS-CoV-2 viral PLpro.
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- 2020
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37. Can I Be Me With You at Work? Examining Relational Authenticity and Discretionary Behaviors in the Workplace
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Kerri M. Camp, Sara E. Davis, Michele N. Medina-Craven, and Kathryn Ostermeier
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Organizational citizenship behavior ,Authentic leadership ,ComputingMilieux_MANAGEMENTOFCOMPUTINGANDINFORMATIONSYSTEMS ,Work (electrical) ,business.industry ,History of scholarship ,Workplace relationships ,Sociology ,Public relations ,business ,Applied Psychology - Abstract
Management scholars have long been interested in the topic of authenticity in the workplace, evidenced by the history of scholarship on authentic leadership and the many new authenticity constructs that have emerged. In this article, we take a narrower view of authenticity and focus on relational authenticity in the workplace, which we define as being genuine in workplace relationships. Adapting a validated relational authenticity scale to the organizational context, we explore the ways in which feeling authentic in workplace relationships has ramifications for discretionary behaviors. Specifically, we build on belongingness theory to posit that relational authenticity will result in an increase in engagement in both altruistic and sportsmanship behaviors. We also explore the moderating effect of proactive personality on these relationships. Results from our two-sample study ( N = 352; 500) indicate that relational authenticity is positively associated with engagement in both altruistic and sportsmanship behaviors.
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- 2020
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38. Direct and indirect bronchoprovocation tests in dose‐response studies of inhaled corticosteroids: Past, present, and future directions
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Christianne M. Blais, Donald W. Cockcroft, Beth E. Davis, and Parameswaran Nair
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0301 basic medicine ,medicine.medical_specialty ,Immunology ,Airway hyperresponsiveness ,Eosinophilic asthma ,Inhaled corticosteroids ,03 medical and health sciences ,0302 clinical medicine ,Adrenal Cortex Hormones ,Administration, Inhalation ,medicine ,Humans ,Immunology and Allergy ,Anti-Asthmatic Agents ,Relative potency ,Intensive care medicine ,Randomized Controlled Trials as Topic ,Asthma ,Cross-Over Studies ,business.industry ,medicine.disease ,Crossover study ,030104 developmental biology ,030228 respiratory system ,business - Abstract
Inhaled corticosteroids (ICS) are a mainstay of treatment in eosinophilic asthma. Many studies have explored the dose-response effect of different formulations of ICS through direct or indirect bronchoprovocation testing. Such studies are important for investigating efficacy and identifying the relative potency between formulations. However, lack of consistency in methods and designs has hindered the comparability of study findings. This review discusses current knowledge of the dose-response, or lack thereof, of different formulations of ICS through direct and indirect bronchoprovocation testing. The strengths and weaknesses of past studies inform recommendations for future methodological considerations in this field, such as utilizing a randomized double-blind crossover design, enrolling participants likely to respond to ICS therapy, and carefully selecting treatment durations and washout periods to assess incremental improvement in airway hyperresponsiveness while reducing the likelihood of a carryover effect.
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- 2020
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39. Elevated levels of extracellular vesicles in progranulin‐deficient mice and FTD‐ GRN Patients
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Alissa L. Nana, Erik D. Roberson, William W. Seeley, Lea T. Grinberg, Andrew E. Arrant, James A. Mobley, Rachael M Vollmer, Bruce L. Miller, Anna Karydas, Salvatore Spina, Skylar E. Davis, and Charles F. Murchison
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Male ,Proteomics ,0301 basic medicine ,medicine.medical_specialty ,Disease ,medicine.disease_cause ,frontotemporal dementia ,Extracellular vesicles ,Exosome ,Extracellular Vesicles ,Mice ,03 medical and health sciences ,Progranulins ,0302 clinical medicine ,Internal medicine ,mental disorders ,progranulin ,medicine ,exosome ,Animals ,Humans ,Single-Blind Method ,Secretion ,Research Articles ,Aged ,Aged, 80 and over ,Mutation ,business.industry ,General Neuroscience ,Extracellular vesicle ,Middle Aged ,medicine.disease ,Microvesicles ,Frontal Lobe ,030104 developmental biology ,Endocrinology ,Disease Progression ,Female ,extracellular vesicle ,Neurology (clinical) ,business ,030217 neurology & neurosurgery ,Research Article ,Frontotemporal dementia - Abstract
Objective The goal of this study was to investigate the effect of progranulin insufficiency on extracellular vesicles (EVs), a heterogeneous population of vesicles that may contribute to progression of neurodegenerative disease. Loss‐of‐function mutations in progranulin (GRN) are a major cause of frontotemporal dementia (FTD), and brains from GRN carriers with FTD (FTD‐GRN) exhibit signs of lysosomal dysfunction. Lysosomal dysfunction may induce compensatory increases in secretion of exosomes, EVs secreted from the endolysosomal system, so we hypothesized that progranulin insufficiency would increase EV levels in the brain. Methods We analyzed levels and protein contents of brain EVs from Grn–/– mice, which model the lysosomal abnormalities of FTD‐GRN patients. We then measured brain EVs in FTD‐GRN patients. To assess the relationship of EVs with symptomatic disease, we measured plasma EVs in presymptomatic and symptomatic GRN mutation carriers. Results Grn–/– mice had elevated brain EV levels and altered EV protein contents relative to wild‐type mice. These changes were age‐dependent, occurring only after the emergence of pathology in Grn–/– mice. FTD‐GRN patients (n = 13) had elevated brain EV levels relative to controls (n = 5). Symptomatic (n = 12), but not presymptomatic (n = 7), GRN carriers had elevated plasma EV levels relative to controls (n = 8). Interpretation These data show that symptomatic FTD‐GRN patients have elevated levels of brain and plasma EVs, and that this effect is modeled in the brain of Grn–/– mice after the onset of pathology. This increase in EVs could influence FTD disease progression, and provides further support for EVs as potential FTD biomarkers.
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40. Health Effects of Night and Irregular Shiftwork
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Mary E. Davis
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Adolescent ,business.industry ,Logit ,Public Health, Environmental and Occupational Health ,Odds ratio ,Random effects model ,030210 environmental & occupational health ,Occupational safety and health ,Odds ,A regular daytime schedule ,03 medical and health sciences ,0302 clinical medicine ,Surveys and Questionnaires ,Work Schedule Tolerance ,Humans ,Medicine ,Longitudinal Studies ,National Longitudinal Surveys ,Longitudinal cohort ,business ,Occupational Health ,Demography - Abstract
Objectives Evidence suggests that shiftwork results in adverse occupational health outcomes. This paper contributes to the literature by estimating the separate health effects of night and irregular shiftwork on a longitudinal panel of US workers. Methods Data from a 20-year panel of worker surveys from the 1979 National Longitudinal Survey of Youth were used to predict self-reported health limitations related to night and irregular shiftwork using a series of random effects logit models. Results Separate and combined specifications of shiftwork as night and irregular effort significantly increase the odds of health limitations compared with working a regular daytime schedule, with more pronounced effects for irregular work (odds ratio [OR] = 1.09 to 1.52) over night shift (OR = 1.03 to 1.14). Conclusions The results suggest that both night and irregular shiftwork may have important negative implications on occupational health, with the deleterious effects particularly pronounced for irregularly scheduled work effort.
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41. Sport business models: a stakeholder optimization approach
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Thomas Pittz, Phillip E. Davis, Joshua S. Bendickson, and Birton J. Cowden
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Strategy and Management ,Corporate governance ,Best practice ,05 social sciences ,Stakeholder ,Common ownership ,Business model ,General partnership ,0502 economics and business ,Business, Management and Accounting (miscellaneous) ,Stock market ,Business ,Marketing ,Stakeholder theory ,050203 business & management ,050212 sport, leisure & tourism - Abstract
PurposeOwners of the US-based sport teams are seeing consistent gains on their financial investments, no matter the success of their teams on the playing field or their impact on the surrounding community. Sports teams are a part of an ecosystem comprised of primary and secondary stakeholders. The authors explore this phenomenon using a stakeholder perspective to understand how different business models and ownership structures optimize stakeholder value.Design/methodology/approachThe authors employ an evaluative conceptual approach to examine the dominant model in the US, European ownership structures and public-private partnerships (PPPs). T finalize these comparisons by exploring a fourth business model and ownership structure – a relatively unique option in the US deployed by the Green Bay Packers – which we refer to as the maximized value partnership (MVP). These comparisons are followed by practical advice for owners in regard to these governance mechanisms.FindingsThe MVP ownership model has the potential to level the playing field between public and private actors. This potential is realized by fusing some of the best practices from European football clubs, in particular aspects of the stock market and supporter trust models.Originality/valueBy evaluating the most common ownership structures for sports teams, t provide an alternative model as well as practical advice for owners.
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42. Skin Cancer, Back to Basics
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Kyleen E. Davis
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Advanced and Specialized Nursing ,medicine.medical_specialty ,business.industry ,Actinic keratosis ,Medicine ,Skin cancer ,business ,medicine.disease ,Dermatology - Published
- 2020
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43. Tazemetostat in advanced epithelioid sarcoma with loss of INI1/SMARCB1: an international, open-label, phase 2 basket study
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Mrinal M. Gounder, Thierry Jahan, Tom Wei-Wu Chen, Lara E. Davis, Silvia Stacchiotti, Victor M. Villalobos, Mark Agulnik, Olivier Mir, Antoine Italiano, Anand Rajarethinam, Ravin Ratan, Abha A. Gupta, Robin L. Jones, Rashmi Chugh, Laura Sierra, George D. Demetri, Steven Attia, Elizabeth T. Loggers, Gregory M. Cote, Joseph G. Pressey, P. Dileo, Brian A. Van Tine, Patrick Schöffski, Shefali Agarwal, and Trupti Lingaraj
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0301 basic medicine ,medicine.medical_specialty ,education.field_of_study ,business.industry ,Epithelioid sarcoma ,Population ,medicine.disease ,Synovial sarcoma ,03 medical and health sciences ,030104 developmental biology ,0302 clinical medicine ,Oncology ,Response Evaluation Criteria in Solid Tumors ,030220 oncology & carcinogenesis ,Internal medicine ,Cohort ,medicine ,Clinical endpoint ,Sarcoma ,business ,education ,Metastatic Epithelioid Sarcoma - Abstract
Summary Background Epithelioid sarcoma is a rare and aggressive soft-tissue sarcoma subtype. Over 90% of tumours have lost INI1 expression, leading to oncogenic dependence on the transcriptional repressor EZH2. In this study, we report the clinical activity and safety of tazemetostat, an oral selective EZH2 inhibitor, in patients with epithelioid sarcoma. Methods In this open-label, phase 2 basket study, patients were enrolled from 32 hospitals and clinics in Australia, Belgium, Canada, France, Germany, Italy, Taiwan, the USA, and the UK into seven cohorts of patients with different INI1-negative solid tumours or synovial sarcoma. Patients eligible for the epithelioid sarcoma cohort (cohort 5) were aged 16 years or older with histologically confirmed, locally advanced or metastatic epithelioid sarcoma; documented loss of INI1 expression by immunohistochemical analysis or biallelic SMARCB1 (the gene that encodes INI1) alterations, or both; and an Eastern Cooperative Oncology Group performance status score of 0–2. Patients received 800 mg tazemetostat orally twice per day in continuous 28-day cycles until disease progression, unacceptable toxicity, or withdrawal of consent. The primary endpoint was investigator-assessed objective response rate measured according to the Response Evaluation Criteria in Solid Tumors, version 1.1. Secondary endpoints were duration of response, disease control rate at 32 weeks, progression-free survival, overall survival, and pharmacokinetic and pharmacodynamic analyses (primary results reported elsewhere). Time to response was also assessed as an exploratory endpoint. Activity and safety were assessed in the modified intention-to-treat population (ie, patients who received one or more doses of tazemetostat). This trial is registered with ClinicalTrials.gov , NCT02601950 , and is ongoing. Findings Between Dec 22, 2015, and July 7, 2017, 62 patients with epithelioid sarcoma were enrolled in the study and deemed eligible for inclusion in this cohort. All 62 patients were included in the modified intention-to-treat analysis. Nine (15% [95% CI 7–26]) of 62 patients had an objective response at data cutoff (Sept 17, 2018). At a median follow-up of 13·8 months (IQR 7·8–19·0), median duration of response was not reached (95% CI 9·2–not estimable). 16 (26% [95% CI 16–39]) patients had disease control at 32 weeks. Median time to response was 3·9 months (IQR 1·9–7·4). Median progression-free survival was 5·5 months (95% CI 3·4–5·9), and median overall survival was 19·0 months (11·0–not estimable). Grade 3 or worse treatment-related adverse events included anaemia (four [6%]) and weight loss (two [3%]). Treatment-related serious adverse events occurred in two patients (one seizure and one haemoptysis). There were no treatment-related deaths. Interpretation Tazemetostat was well tolerated and showed clinical activity in this cohort of patients with advanced epithelioid sarcoma characterised by loss of INI1/SMARCB1. Tazemetostat has the potential to improve outcomes in patients with advanced epithelioid sarcoma. A phase 1b/3 trial of tazemetostat plus doxorubicin in the front-line setting is currently underway ( NCT04204941 ). Funding Epizyme.
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44. Determinants of Cardiovascular Risk in 7000 Youth With Type 1 Diabetes in the Australasian Diabetes Data Network
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Kim C Donaghue, Bruce R. King, D Jane Holmes-Walker, Craig Jefferies, Meng Tuck Mok, P Shane Hamblin, Melissa Chee, Timothy W. Jones, Helen L. Barrett, Elizabeth E Davis, Arul Earnest, Benjamin J Wheeler, Richard O. Sinnott, Stephanie R. Johnson, Anthony Zimmermann, Glenn M. Ward, Fergus J. Cameron, P. Gerry Fegan, Jenny Couper, Maria E. Craig, Philip Bergman, and Peter G. Colman
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Adult ,Male ,medicine.medical_specialty ,Adolescent ,Databases, Factual ,Endocrinology, Diabetes and Metabolism ,Clinical Biochemistry ,Overweight ,Community Networks ,Biochemistry ,Body Mass Index ,Young Adult ,chemistry.chemical_compound ,Endocrinology ,Risk Factors ,Interquartile range ,Internal medicine ,Diabetes mellitus ,Humans ,Medicine ,Longitudinal Studies ,Child ,Creatinine ,Type 1 diabetes ,Australasia ,business.industry ,Cholesterol ,Biochemistry (medical) ,Age Factors ,medicine.disease ,Diabetes Mellitus, Type 1 ,Blood pressure ,chemistry ,Cardiovascular Diseases ,Heart Disease Risk Factors ,Child, Preschool ,Female ,medicine.symptom ,business ,Body mass index ,Diabetic Angiopathies - Abstract
Context Cardiovascular disease occurs prematurely in type 1 diabetes. The additional risk of overweight is not well characterized. Objective The primary aim was to measure the impact of body mass index (BMI) in youth with type 1 diabetes on cardiovascular risk factors. The secondary aim was to identify other determinants of cardiovascular risk. Design Observational longitudinal study of 7061 youth with type 1 diabetes followed for median 7.3 (interquartile range [IQR] 4-11) years over 41 (IQR 29-56) visits until March 2019. Setting 15 tertiary care diabetes centers in the Australasian Diabetes Data Network. Participants were aged 2 to 25 years at baseline, with at least 2 measurements of BMI and blood pressure. Main Outcome Measure Standardized systolic and diastolic blood pressure scores and non–high-density lipoprotein (HDL) cholesterol were co-primary outcomes. Urinary albumin/creatinine ratio was the secondary outcome. Results BMI z-score related independently to standardized blood pressure z- scores and non-HDL cholesterol. An increase in 1 BMI z-score related to an average increase in systolic/diastolic blood pressure of 3.8/1.4 mmHg and an increase in non-HDL cholesterol (coefficient + 0.16 mmol/L, 95% confidence interval [CI], 0.13-0.18; P Conclusions BMI had a modest independent effect on cardiovascular risk. Females and Indigenous Australians in particular had a more adverse risk profile.
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- 2020
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45. Corporate social responsibility during unprecedented crises: the role of authentic leadership and business model flexibility
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Phillip E. Davis, Corey Fox, and Melissa Baucus
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business.industry ,media_common.quotation_subject ,Flexibility (personality) ,Management Science and Operations Research ,Public relations ,Business model ,General Business, Management and Accounting ,Authentic leadership ,Originality ,Service (economics) ,Conceptual model ,Corporate social responsibility ,Product (category theory) ,business ,media_common - Abstract
PurposeThe purpose of the present research is to explore the relationships between corporate social responsibility (CSR), authentic leadership and business model flexibility during times of unprecedented crises.Design/methodology/approachThe research approach in this study is conceptual. After a brief review of the literature associated with CSR, authentic leadership and business models, the authors introduce a model describing the interaction of authentic leadership and business model flexibility on CSR heterogeneity.FindingsThis research explains how firms that are led by authentic leaders and that have flexible business models will be more engaged with their stakeholders than firms with less authentic leaders or more rigid business models during unprecedented crises.Practical implicationsPrescriptions for practitioners are suggested for improving authentic leadership as well as making adaptations to the firm's business model. Regarding authentic leadership, firms can screen potential new hires and existing employees for authentic leadership qualities. Firms can also rely upon existing interventions shown to assist in authentic leadership development for current leaders. At the business model level, firms can focus on core resources and their application in related product and service markets.Originality/valueFirms engaged in CSR activities benefit more from those activities when leaders are authentic. However, in times of unprecedented crises, business model flexibility may also dictate the extent to which firms can satisfy their stakeholders. The authors introduce a conceptual model that takes the elements of authentic leadership and business model flexibility into account to explain CSR heterogeneity.
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- 2020
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46. Pharmacologically-induced Recreational Priapism: Case Report and Review
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Grace Kunas, Diana Ladkany, Jonathan E. Davis, and Janet A. Smereck
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Ischemic priapism ,Priapism ,030232 urology & nephrology ,Case Report ,Recreational use ,Emergency Nursing ,urologic and male genital diseases ,03 medical and health sciences ,Delayed presentation ,0302 clinical medicine ,Hematologic disorders ,Vasoactive ,Phenylephrine Injection ,medicine ,ischemic priapism ,business.industry ,lcsh:Medical emergencies. Critical care. Intensive care. First aid ,030208 emergency & critical care medicine ,intracorporal injection ,lcsh:RC86-88.9 ,Venous blood ,medicine.disease ,Anesthesia ,Emergency Medicine ,phosphodiesterase inhibitor ,business - Abstract
Author(s): Kunas, Grace; Smereck, Janet A.; Ladkany, Diana; Davis, Jonathan E. | Abstract: Introduction: Priapism, a time-sensitive urologic emergency, is associated with hematologic disorders, malignancies, trauma, pharmaceuticals, and recreational drugs.Case Report: A 51-year-old male presented with 36 hours of priapism after recreational use of nonprescribed pharmaceuticals including an oral phosphodiesterase inhibitor and intracorporally injected erectile medications, together with unspecified quantities of cocaine and alcohol. Venous blood gas confirmed ischemic priapism. Detumescence was achieved with intracavernosal phenylephrine injection, aspiration, and irrigation.Conclusion: This case highlights the risk that recreational use of vasoactive medications by patients who seek to prolong sexual activity may lead to delayed presentation for ischemic priapism
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47. Immune recovery in patients with mantle cell lymphoma receiving long-term ibrutinib and venetoclax combination therapy
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John F Seymour, Joanne E. Davis, Constantine S. Tam, Andrew W. Roberts, Sasanka M. Handunnetti, Rachel Koldej, Mary Ann Anderson, Mandy J. Ludford-Menting, David Ritchie, Chia Sharpe, and Piers Blombery
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Adult ,Myeloid ,Immunobiology and Immunotherapy ,Combination therapy ,Population ,Lymphoma, Mantle-Cell ,chemistry.chemical_compound ,Immune system ,Piperidines ,medicine ,Humans ,education ,Sulfonamides ,education.field_of_study ,Venetoclax ,business.industry ,Adenine ,Hematology ,Bridged Bicyclo Compounds, Heterocyclic ,medicine.disease ,Pyrimidines ,medicine.anatomical_structure ,chemistry ,Ibrutinib ,Leukocytes, Mononuclear ,Cancer research ,Mantle cell lymphoma ,business ,CD8 - Abstract
Combination venetoclax plus ibrutinib for the treatment of mantle cell lymphoma (MCL) has demonstrated efficacy in the relapsed or refractory setting; however, the long-term impact on patient immunology is unknown. In this study, changes in immune subsets of MCL patients treated with combination venetoclax and ibrutinib were assessed over a 4-year period. Multiparameter flow cytometry of peripheral blood mononuclear cells showed that ≥12 months of treatment resulted in alterations in the proportions of multiple immune subsets, most notably CD4+ and CD8+ effector and central memory T cells and natural killer cells, and normalization of T-cell cytokine production in response to T-cell receptor stimulation. Gene expression analysis identified upregulation of multiple myeloid genes (including S100 and cathepsin family members) and inflammatory pathways over 12 months. Four patients with deep responses stopped study drugs, resulting in restoration of normal immune subsets for all study parameters except myeloid gene/pathway expression, suggesting long-term combination venetoclax and ibrutinib irreversibly affects this population. Our findings demonstrate that long-term combination therapy is associated with immune recovery in MCL, which may allow responses to subsequent immunotherapies and suggests that this targeted therapy results in beneficial impacts on immunological recovery. This trial was registered at www.clinicaltrials.gov as #NCT02471391.
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- 2020
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48. Experiences of Food Insecurity and Type 2 Diabetes Management in Adults
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Diana C. Delgado Diaz, Lauren A. Reid, Jessica Stucker, Michelle Stancil, Sonya J. Jones, Meenu Jindal, Rachel E. Davis, and Angela D. Liese
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0301 basic medicine ,Gerontology ,030109 nutrition & dietetics ,Nutrition and Dietetics ,Health (social science) ,Self-management ,endocrine system diseases ,business.industry ,Public Health, Environmental and Occupational Health ,nutritional and metabolic diseases ,Type 2 Diabetes Mellitus ,Type 2 diabetes ,medicine.disease ,Food insecurity ,03 medical and health sciences ,0302 clinical medicine ,Diabetes mellitus ,Medicine ,030212 general & internal medicine ,business ,Qualitative research - Abstract
The purpose of this qualitative study is to elucidate how food insecurity affects diabetes self-management among adults with type 2 diabetes mellitus (T2DM). Eleven persons with T2DM who screened a...
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49. Sequelae of Anticoagulant Therapy in a Patient with History of Pulmonary Malignancy: A Case Report
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Christopher B Gilsdorf and Hillary E. Davis
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medicine.medical_specialty ,Deep vein ,venous thromboembolism ,Case Report ,Disease ,030204 cardiovascular system & hematology ,Emergency Nursing ,Malignancy ,03 medical and health sciences ,0302 clinical medicine ,brain metastases ,medicine ,In patient ,Risks and benefits ,Intensive care medicine ,anticoagulation ,business.industry ,lcsh:Medical emergencies. Critical care. Intensive care. First aid ,Treatment options ,lcsh:RC86-88.9 ,medicine.disease ,Thrombosis ,medicine.anatomical_structure ,Anticoagulant therapy ,030220 oncology & carcinogenesis ,Emergency Medicine ,business ,intracranial hemorrhage ,malignancy - Abstract
Author(s): Gilsdorf, Christopher B.; Davis, Hillary E. | Abstract: Introduction: In patients with known malignancy and possible intracranial metastatic disease who are receiving treatment with therapeutic anticoagulation, limited data exist regarding risk of intracranial bleeding.Case Report: We present a case of a 64-year-old female with known lung malignancy, evidence of possible metastatic disease, and bilateral deep vein thrombosis, who suffered severe intracranial hemorrhage following initiation of therapeutic anticoagulation. Current guidelines, available risk- stratification tools, and treatment options with their risks are discussed.Conclusion: In patients with known or suspected intracranial metastatic disease, clinical decision tools can assist both the clinician and the patient in weighing risks and benefits of anticoagulation.
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- 2020
50. Clinical Performance of the BD CTGCTV2 Assay for the BD MAX System for Detection of Chlamydia trachomatis, Neisseria gonorrhoeae, and Trichomonas vaginalis Infections
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Edith Torres-Chavolla, Salma Kodsi, Charlotte A. Gaydos, Michael Augenbraun, Barbara Van Der Pol, Charles K. Cooper, Kenneth H. Fife, Stephanie N. Taylor, and Thomas E. Davis
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Male ,Urologic Diseases ,Microbiology (medical) ,medicine.medical_specialty ,Trichomonas Infections ,Chlamydia trachomatis ,Dermatology ,Urine ,medicine.disease_cause ,Sensitivity and Specificity ,Medical and Health Sciences ,Original Studies ,Gonorrhea ,03 medical and health sciences ,0302 clinical medicine ,Internal medicine ,Cytology ,Trichomonas vaginalis ,medicine ,Humans ,Multiplex ,030212 general & internal medicine ,Pathogen ,screening and diagnosis ,030505 public health ,business.industry ,Public Health, Environmental and Occupational Health ,Clinical performance ,Chlamydia Infections ,Biological Sciences ,Neisseria gonorrhoeae ,Detection ,Good Health and Well Being ,Infectious Diseases ,Sexually Transmitted Infections ,Female ,Public Health ,Infection ,0305 other medical science ,business ,4.2 Evaluation of markers and technologies - Abstract
A study including female and male participants across 12 US clinics found that a triplex assay, BD CTGCTV2, performed on the benchtop BD MAX instrument, shows good performance for detection of Chlamydia trachomatis, Neisseria gonorrhoeae, and Trichomonas vaginalis. Supplemental digital content is available in the text., Background Diagnostic options to combat the increasing rates of sexually transmitted infections recorded throughout the world increasingly include multiplex assays. Here we describe the estimated sensitivity and specificity of a triplex molecular assay that simultaneously detects Chlamydia trachomatis (CT), Neisseria gonorrhoeae (or gonococci [GC]), and Trichomonas vaginalis (TV). Methods Participants (2547 women and 1159 men) were recruited from 12 clinics in the United States. BD CTGCTV2 for BD MAX System assay (CTGCTV2) results were obtained from vaginal and endocervical swabs, endocervical samples in cytology medium, and female and male urine. Results were compared with infection standards that were sample type and pathogen dependent. Results Female specimen sensitivity estimates ranged from 92.7% to 98.4%, 92.9% to 100%, and 86.6% to 100% for CT, GC and TV, respectively. Male urine sensitivity estimates were 96.7%, 99.2%, and 97.9% for CT, GC, and TV, respectively. Specificity estimates were >98.7% for all sample types. Conclusions BD CTGCTV2 performed well using a variety of sample types. As a true triplex assay, performed using a benchtop instrument, BD CTGCTV2 may be useful in settings where no testing is currently performed and in settings, such as reference laboratories, where testing turnaround time may be several days. Use of this assay at local laboratories may result in greater access to testing and a shorter time to result, which are important steps for improving our ability to combat sexually transmitted infections.
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- 2020
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