Publications by authors named "Bimal Shah"

Background: Evidence-based digital health programs have shown efficacy in being primary tools to improve emotional and mental health, as well as offering supplementary support to individuals undergoing psychotherapy for anxiety, depression, and other mental health disorders. However, information is lacking about the dose response to digital mental health interventions.

Objective: The objective of the study was to examine the effect of time in program and program usage on symptom change among individuals enrolled in a real-world comprehensive digital mental health program (myStrength) who are experiencing severe anxiety or depression.

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Objective: We evaluated the impact of a low intensity web-based and intensive nurse-administered intervention to reduce systolic blood pressure (SBP) among patients with prior MI.

Methods: Secondary Prevention Risk Interventions via Telemedicine and Tailored Patient Education (SPRITE) was a three-arm trial. Patients were randomized to 1) post-MI education-only; 2) nurse-administered telephone program; or 3) web-based interactive tool.

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Regular physical activity (PA) has been shown to improve glycemic control in persons with type 2 diabetes. This study aimed to investigate the impact of PA on blood glucose after controlling for medication use, demographics, and week of activation using a real-world population of individuals with type 2 diabetes. A longitudinal, retrospective study was performed evaluating weekly PA of Livongo members (N = 9,509), which analyzed fasting blood glucose (FBG), step counts, and daily active minutes.

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Importance: COVID-19 altered lifestyles and disrupted routine health care. Whether blood pressure (BP) control worsened during COVID-19 is unknown.

Objective: To understand whether home BP control worsened during COVID-19 across the United States (US) .

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Objective: Savings associated with weight loss for populations with chronic conditions are poorly understood. The purpose of this study was to estimate medical expenditure savings associated with weight loss among commercially insured adults with chronic medical conditions.

Methods The: 2001-2015 Medical Expenditure Panel Survey data were used to estimate the effect of changes in body mass index (BMI) on health expenditures from instrumental variable regression models.

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Medication nonadherence in diabetes is well documented to be associated with inadequate glycemic control. Through remote blood glucose (BG) monitoring, unlimited test strip and lancet supplies, personal coaching, and online access to clinical information and educational resources, diabetes remote monitoring (DRM) programs may provide a solution. To examine the relationship between patient participation in a DRM solution and adherence to oral antidiabetic drugs (OAD).

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Background: Venous thromboembolism (VTE) is a serious complication in medically ill inpatients. Enoxaparin or unfractionated heparin (UFH) thromboprophylaxis has been shown to reduce VTE in clinical trials; however, comparative effectiveness and differences in hospital costs are unknown in US hospital practice.

Objective: This study compared clinical and economic outcomes between enoxaparin and UFH thromboprophylaxis in medically ill inpatients.

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Introduction: To investigate the impact of the digital Livongo Diabetes Prevention Program (DPP) on weight at 12 months, understand participants' self-monitoring behaviors associated with greater weight loss, and evaluate the impact of coaching interactions on more frequent self-monitoring behaviors.

Research Design And Methods: A retrospective analysis was performed using data from 2037 participants enrolled in the Livongo DPP who completed lesson 1 and recorded a starting weight during 2016-2017. Self-monitoring behaviors, including weigh-ins, food logging, activity, and coach-participant interactions, were analyzed at 6 and 12 months.

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Background: Enoxaparin and unfractionated heparin (UFH) are guideline-recommended anticoagulants for patients with acute coronary syndrome (ACS), including unstable angina (UA) and myocardial infarction with (STEMI) or without ST-segment elevation (NSTEMI). Prior efficacy and safety evidence are mainly from clinical trials. Economic data are insufficient.

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Purpose: In patients with idiopathic pulmonary fibrosis (IPF), hospitalizations are associated with high mortality. We sought to determine in-hospital mortality rates and factors associated with in-hospital mortality in patients with IPF.

Methods: Patients with IPF were identified from the Premier Healthcare Database, a representative administrative dataset that includes > 20% of hospital discharges in the US, using an algorithm based on diagnostic codes and billing data.

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The purpose of this study is to assess the real-world impact of cardiac resynchronization therapy (CRT) on adherence to heart failure (HF) medications. MarketScan administrative health care claims data from 2008 to 2014 among patients with HF were used. The date of first CRT implantation served as the index date.

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Article Synopsis
  • The study aimed to compare the safety and effectiveness of different treatments for preventing thromboembolic events and bleeding in adults with nonvalvular atrial fibrillation (AF).
  • Data from 220 articles revealed that dabigatran and apixaban outperformed warfarin in preventing strokes, while apixaban and edoxaban showed better outcomes in minimizing major bleeding risks compared to warfarin.
  • Limitations of the study include the diversity of patient populations and treatment methods, making it harder to draw definitive conclusions about the findings.
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: Non-valvular atrial fibrillation (NVAF), a common cardiac arrhythmia, is associated with high morbidity and carries a substantial economic burden. Historically, vitamin K antagonists (VKAs; e.g.

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Background:  Atrial fibrillation (AF) is a common cardiac arrhythmia that increases the risk of stroke. Medical therapy for decreasing stroke risk involves anticoagulation, which may increase bleeding risk for certain patients. In determining the optimal therapy for stroke prevention for patients with AF, clinicians use tools with various clinical, imaging and patient characteristics to weigh stroke risk against therapy-associated bleeding risk.

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Background: Interhospital transfer invasive management patterns and implications for older non-ST-segment elevation myocardial infarction (NSTEMI) patients initially presenting to non-revascularization-capable hospitals have not been explored.

Hypothesis: Patients admitted to hospitals with a higher transfer proportion have lower risk of long-term mortality.

Methods: We linked CRUSADE Registry data on 5678 patients age ≥65 years from 65 United States non-revascularization-capable hospitals (2003-2006) with inpatient Medicare longitudinal claims.

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Background: Prior work has demonstrated that adherence to American College of Cardiology/American Heart Association guideline recommendations is associated with decreased in-hospital mortality in non-ST-segment elevation myocardial infarction (NSTEMI) patients; however, it is unknown whether this association persists after hospital discharge in older, real-world populations.

Methods: We evaluated 32,646 NSTEMI patients ≥65 years treated at 243 US hospitals participating in CRUSADE from 2003 to 2006, linked to Medicare longitudinal claims data (followed to January 1, 2010). Hospital composite adherence examined the use of 13 individual American College of Cardiology/American Heart Association Class IA guideline-recommended interventions.

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Background: Systematically engaging residents in large programs in quality improvement (QI) is challenging.

Objective: To coordinate a shared QI project in a large residency program using an online tool.

Methods: A web-based QI tool guided residents through a 2-phase evaluation of performance of foot examinations in patients with diabetes.

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Background: Timely thrombolytic therapy can improve stroke outcomes. Nevertheless, the ability of US hospitals to meet guidelines for intravenous tissue plasminogen activator (tPA) remains suboptimal. What is unclear is whether hospitals accurately perceive their rate of tPA "door-to-needle" (DTN) time within 60 minutes and how DTN rates compare across different hospitals.

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We describe the computer use characteristics of 406 post-myocardial infarction (MI) patients and their willingness to engage online for health communication and monitoring. Most participants were computer users (n = 259; 63.8%) and half (n = 209; 51.

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Electrical cardioversion (ECV) is recommended for rhythm control in patients with atrial arrhythmia; yet, ECV use and outcomes in contemporary practice are unknown. We reviewed all nonemergent ECVs for atrial arrhythmias at a tertiary care center (2010 to 2013), stratifying patients by transesophageal echocardiography (TEE) use before ECV and comparing demographics, history, vitals, and laboratory studies. Outcomes included postprocedural success and complications and repeat cardioversion, rehospitalization, and death within 30 days.

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Objectives: Our objectives were to: 1) describe patient-reported communication with their provider and explore differences in perceptions of racially diverse adherent versus nonadherent patients; and 2) examine whether the association between unanswered questions and patient-reported medication nonadherence varied as a function of patients' race.

Methods: We conducted a cross-sectional analysis of baseline in-person survey data from a trial designed to improve postmyocardial infarction management of cardiovascular disease risk factors.

Results: Overall, 298 patients (74%) reported never leaving their doctor's office with unanswered questions.

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