Publications by authors named "Shivan J Mehta"

Importance: Remote blood pressure (BP) monitoring for hypertension has been limited by low participation and engagement.

Objective: To evaluate if an opt-out behavioral economic approach to remote BP monitoring improves enrollment and BP outcomes compared with an opt-in approach.

Design, Setting, And Participants: This pragmatic, 3-arm randomized clinical trial included patients aged 18 to 75 years with hypertension who were followed up by an academic family medicine practice in Philadelphia.

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Background And Objectives: Treatment of colorectal cancer (CRC) can have prolonged effects on health-related quality of life (HRQOL). Using the Medicare Health Outcomes Survey (MHOS), this study examines HRQOL outcomes among those undergoing CRC treatment and those who completed CRC treatment.

Methods: We performed a paired longitudinal retrospective cohort study of Medicare Advantage enrollees ≥ 65 years of age who completed the baseline and follow-up MHOS from 2016 to 2020 and answered survey questions regarding current CRC treatment.

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Importance: A comprehensive lipid panel is recommended by guidelines to evaluate atherosclerotic cardiovascular disease risk, but uptake is low.

Objective: To evaluate whether direct outreach including bulk orders with and without text messaging increases lipid screening rates.

Design, Setting, And Participants: Pragmatic randomized clinical trial conducted from June 6, 2023, to September 6, 2023, at 2 primary care practices at an academic health system among patients aged 20 to 75 years with at least 1 primary care visit in the past 3 years who were overdue for lipid screening.

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Background And Methods: Colorectal cancer (CRC) treatment can influence health-related quality of life (HRQOL). This study examined HRQOL among older adults undergoing CRC treatment, and the conditional effects of race, ethnicity, and primary language. We conducted a retrospective cohort study of Medicare Advantage enrollees ≥ 65 years old who completed the Medicare Health Outcomes Survey (MHOS) (2016-2020).

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Background: Routine mammogram screening is critical for early detection of breast cancer. However, screening rates are below national targets, with persistent disparities among sub-populations. The purpose of this trial is to examine the effectiveness of a multi-component nudge intervention to increase breast cancer screening among eligible primary care patients.

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Introduction: Annual influenza vaccination reduces disease burden but vaccination rates are suboptimal, with persistent disparities among subpopulations. The purpose of this trial is to evaluate multicomponent behavioural economic nudge interventions to clinicians and patients to increase influenza vaccination. This trial also includes an intensification nudge to reduce disparities in vaccination among older adult, primary care patients.

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Article Synopsis
  • A study examined the impact of pre-diagnosis body mass index (BMI) trajectories on mortality in patients with colorectal cancer, utilizing data from the Multiethnic Cohort over a period of 26 years.
  • Out of 924 participants, results showed no significant link between BMI changes before cancer diagnosis and overall or cancer-specific mortality, although certain demographics like race and lifestyle factors had notable effects.
  • The research concluded that pre-diagnosis BMI trajectories do not influence mortality after colorectal cancer diagnosis, highlighting that other factors such as ethnicity, smoking, and diabetes play a more significant role.
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Drawing from insights from communication science and behavioral economics, the University of Pennsylvania Telehealth Research Center of Excellence (Penn TRACE) is designing and testing telehealth strategies with the potential to transform access to care, care quality, outcomes, health equity, and health-care efficiency across the cancer care continuum, with an emphasis on understanding mechanisms of action. Penn TRACE uses lung cancer care as an exemplar model for telehealth across the care continuum, from screening to treatment to survivorship. We bring together a diverse and interdisciplinary team of international experts and incorporate rapid-cycle approaches and mixed methods evaluation in all center projects.

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Importance: Hypertension management has traditionally been based on office visits. Integrating remote monitoring into routine clinical practices and leveraging social support might improve blood pressure (BP) control.

Objective: To evaluate the effectiveness of a bidirectional text monitoring program focused on BP control and medication adherence with and without social support in adults with hypertension.

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Importance: Despite public health efforts, breast cancer screening rates remain below national goals.

Objective: To evaluate whether bulk ordering, text messaging, and clinician endorsement increase breast cancer screening rates.

Design, Setting, And Participants: Two concurrent, pragmatic, randomized clinical trials, each with a 2-by-2 factorial design, were conducted between October 25, 2021, and April 25, 2022, in 2 primary care regions of an academic health system.

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Background & Aims: Mailed outreach for colorectal cancer (CRC) screening increases uptake but it is unclear how to offer the choice of testing. We evaluated if the active choice between colonoscopy and fecal immunochemical test (FIT), or FIT alone, increased response compared with colonoscopy alone.

Methods: This pragmatic, randomized, controlled trial at a community health center included patients between ages 50 and 74 who were not up to date with CRC screening.

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Background: Surveillance rates for HCC remain limited in patients with cirrhosis. We evaluated whether opt-out mailed outreach increased uptake with or without a $20 unconditional incentive.

Methods: This was a pragmatic randomized controlled trial in an urban academic health system including adult patients with cirrhosis or advanced fibrosis, at least 1 visit to a specialty practice in the past 2 years and no surveillance in the last 7 months.

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Article Synopsis
  • The study aimed to assess whether the introduction of a self-scheduling feature in electronic health records (EHR) increased the completion rates of mammograms among eligible primary care patients.
  • Using a difference-in-differences approach, researchers compared mammogram completion rates before and after the self-scheduling implementation, focusing on patients with active versus inactive EHR portals.
  • The results showed a significant rise in mammogram completion rates, with those using the self-scheduling feature achieving an increase of 13.2 percentage points overall and 14.7 percentage points among patients with clinician orders, suggesting self-scheduling is an effective method for enhancing preventive cancer screenings.
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Background And Aims: Liver transplantation is a life-saving procedure for end-stage liver disease. However, post-transplant medication regimens are complex and non-adherence is common. Post-transplant medication non-adherence is associated with graft rejection, which can have long-term adverse consequences.

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Objectives: To compare the mean per-episode unit cost for a direct-to-consumer (DTC) telemedicine service for medical center employees (OnDemand) with that of in-person care and to estimate whether the offered service increased the use of care.

Study Design: Propensity score-matched retrospective cohort study of adult employees and dependents of a large academic health system between July 7, 2017, and December 31, 2019.

Methods: To estimate differences in per-episode unit costs within 7 days, we compared costs between OnDemand encounters and conventional in-person encounters (primary care, urgent care, and emergency department) for any similar condition using a generalized linear model.

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Importance: Variation in outcomes across hospitals adversely affects surgical patients. The use of high-quality hospitals varies by population, which may contribute to surgical disparities.

Objective: To simulate the implications of data-driven hospital selection for social welfare among patients who underwent colorectal cancer surgery.

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Importance: Although objective data are used routinely in prescription drug recommendations, it is unclear how referring physicians apply evidence when making surgeon or hospital recommendations for surgery.

Objective: To compare the factors associated with the hospital or surgeon referral decision-making process with that used for prescription medication recommendations.

Design, Setting, And Participants: This qualitative study comprised interviews conducted between April 26 and May 18, 2021, of a purposive sample of 21 primary care physicians from a large primary care network in the Northeast US.

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Importance: COVID-19 vaccine uptake among urban populations remains low.

Objective: To evaluate whether text messaging with outbound or inbound scheduling and behaviorally informed content might increase COVID-19 vaccine uptake.

Design, Setting, And Participants: This randomized clinical trial with a factorial design was conducted from April 29 to July 6, 2021, in an urban academic health system.

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Importance: Close remote monitoring of patients following discharge for heart failure (HF) may reduce readmissions or death.

Objective: To determine whether remote monitoring of diuretic adherence and weight changes with financial incentives reduces hospital readmissions or death following discharge with HF.

Design, Setting, And Participants: The Electronic Monitoring of Patients Offers Ways to Enhance Recovery (EMPOWER) study, a 3-hospital pragmatic trial, randomized 552 adults recently discharged with HF to usual care (n = 280) or a compound intervention (n = 272) designed to inform clinicians of diuretic adherence and changes in patient weight.

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Enteral nutrition (EN) delivered via an enteric access device is employed to correct severe malnutrition and feed patients with pathology restricting oral intake, and is often initiated in the hospital. There are limited data on the clinical outcomes of patients discharged from the hospital on EN. We sought to assess whether discharge with enteral nutrition (DCEN) was independently associated with increased hospital readmissions and to assess the frequency of DCEN in our hospital.

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Background: Physician referrals are a critical step in directing patients to high-quality specialists. Despite efforts to encourage referrals to high-volume hospitals, many patients receive treatment at low-volume centers with worse outcomes. We aimed to determine the most important factors considered by referring providers when selecting specialists for their patients through a systematic review of medical and surgical literature.

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Importance: Hepatitis C virus (HCV) screening has been recommended for patients born between 1945 and 1965, but rates remain low.

Objective: To evaluate whether a default order within the admission order set increases HCV screening compared with a preexisting alert within the electronic health record.

Design, Setting, And Participants: This stepped-wedge randomized clinical trial was conducted from June 23, 2020, to April 10, 2021, at 2 hospitals within an academic medical center.

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