Publications by authors named "Atlas S"

Background: Timely follow-up after an abnormal cancer screening test result is needed to maximize the benefits of screening, but is frequently not achieved. Little is known about patient experiences with the process of following up abnormal screening results.

Objective: Assess patient experiences and perceptions regarding the process of a diagnostic workup following abnormal breast, cervical, or colorectal cancer screening results.

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Article Synopsis
  • A study was conducted on individuals aged 70 and older to assess the frequency and burden of atrial fibrillation (AF) using a 14-day electrocardiograph monitor.
  • Out of 5,684 participants, 4.4% were found to have AF, with the majority having paroxysmal AF of low burden; the median time spent in AF was only about 75 minutes.
  • The research highlighted that while most AF cases had low burden, a significant portion had extended episodes, raising potential concerns for increased stroke risk and suggesting the need for targeted AF screening approaches.
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Background: Atrial fibrillation (AF) often remains undiagnosed, and it independently raises the risk of ischemic stroke, which is largely reversible by oral anticoagulation. Although randomized trials using longer term screening approaches increase identification of AF, no studies have established that AF screening lowers stroke rates.

Objectives: To address this knowledge gap, the GUARD-AF (Reducing Stroke by Screening for Undiagnosed Atrial Fibrillation in Elderly Individuals) trial screened participants in primary care practices using a 14-day continuous electrocardiographic monitor to determine whether screening for AF coupled with physician/patient decision-making to use oral anticoagulation reduces stroke and provides a net clinical benefit compared with usual care.

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  • - The study focuses on how training primary care physicians in shared decision-making (SDM) and providing electronic reminders affects older adults' preferences for colorectal cancer (CRC) screening.
  • - The researchers assessed the impact of these interventions on the agreement between patients and physicians regarding screening methods, as well as overall screening rates after 12 months.
  • - Conducted as part of the PRIMED clinical trial, the study involved 59 physicians and 466 patients aged 76 to 85, highlighting the challenges in CRC screening decisions for older adults.
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Background: Guidelines for managing abnormal cervical cancer screening results are complex and adherence is challenging for clinicians. Previous studies have identified gaps in knowledge as a possible cause; few have explored the confidence clinicians have in their management decisions. Confidence in decision-making may influence management practices, particularly when guidelines are complex and evolving.

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Background: Handheld single-lead electrocardiographic (1L ECG) devices are increasingly used for atrial fibrillation (AF) screening, but their real-world performance is not well understood.

Objectives: The purpose of this study was to quantify the diagnostic test characteristics of 1L ECG automated interpretations for prospective AF screening.

Methods: We calculated the diagnostic test characteristics of the AliveCor KardiaMobile 1L ECG (AliveCor, US) algorithm using unblinded cardiologist overread as the gold standard using single 30s tracings administered by medical assistants among individuals aged ≥65 years participating in the VITAL-AF trial (NCT03515057) of population-based AF screening embedded within routine primary care.

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Introduction: The COVID-19 pandemic posed serious challenges to cancer screening delivery, including cervical cancer. While the impact of the pandemic on deferred screening has been documented, less is known about how clinicians experienced barriers to screening delivery, and, in particular, the role of pre-pandemic barriers to changes reported during the pandemic.

Methods: Survey of clinicians who performed ≥ 10 cervical cancer screening tests in 2019 from Mass General Brigham, Kaiser Permanente Washington, and Parkland Health, the healthcare systems participating in the Population-based Research to Optimize the Screening Process (PROSPR II) consortium (administered 10/2020-12/2020, response rate 53.

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Article Synopsis
  • The study analyzed the VITAL-AF trial, focusing on one-time ECG screening for atrial fibrillation (AF) to see if it was effective for specific subgroups.
  • Results showed that while the screening increased AF diagnosis rates in a small group of older individuals (mean age 84, 68% female), it did not identify any subgroup where screening was consistently effective based on predicted AF risk.
  • The findings suggest that predicted AF risk is not a reliable indicator of screening effectiveness, indicating a need for caution in assuming that it can guide targeted screening efforts.
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Background: Single-lead electrocardiograms (1L ECGs) are increasingly used for atrial fibrillation (AF) detection. Automated 1L ECG interpretation may have prognostic value for future AF in cases in which screening does not result in a short-term AF diagnosis.

Objective: We sought to investigate the association between automated 1L ECG interpretation and incident AF.

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Background: Follow-up of abnormal results is essential to cervical cancer screening, but data on adherence to follow-up are limited. We describe patterns of follow-up after screening abnormalities and identify predictors of guideline-concordant follow-up.

Methods: We identified the index screening abnormality (positive human papillomavirus test or atypical squamous cells of undetermined significance or more severe cytology) among women of ages 25 to 65 years at three US healthcare systems during 2010 to 2019.

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We examined characteristics of clinicians caring for transgender men and nonbinary (TMNB) individuals and guideline concordance of clinicians' cervical cancer screening recommendations. Using a survey of clinicians who performed ≥10 cervical cancer screenings in 2019, we studied characteristics of clinicians who do versus do not report caring for TMNB individuals and guideline concordance of screening recommendations for TMNB individuals with a cervix versus cisgender women. In our sample ( = 492), 49.

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Background: Secondary prevention interventions to reduce post-stroke cognitive impairment (PSCI) can be aided by the early identification of high-risk individuals who would benefit from risk factor modification.

Aims: To develop and evaluate a predictive model to identify patients at increased risk of PSCI over 5 years using data easily accessible from electronic health records.

Methods: Cohort study that included primary care patients from two academic medical centers.

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Objective: Understand how physicians' uncertainty tolerance (UT) in clinical care relates to their personal characteristics, perceptions and practices regarding shared decision making (SDM).

Methods: As part of a trial of SDM training about colorectal cancer screening, primary care physicians (n = 67) completed measures of their uncertainty tolerance in medical practice (Anxiety subscale of the Physician's Reactions to Uncertainty Scale, PRUS-A), and their SDM self-efficacy (confidence in SDM skills). Patients (N = 466) completed measures of SDM (SDM Process scale) after a clinical visit.

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Importance: Secondary prevention interventions to reduce post-stroke cognitive impairment (PSCI) can be aided by the early identification of high-risk individuals who would benefit from risk factor modification.

Objective: To develop and evaluate a predictive model to identify patients at increased risk of PSCI over 5 years using data easily accessible from electronic health records.

Design: Cohort study with patients enrolled between 2003-2016 with follow-up through 2022.

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Background: Consumer wearable devices with health and wellness features are increasingly common and may enhance disease detection and management. Yet studies informing relationships between wearable device use, attitudes toward device data, and comprehensive clinical profiles are lacking.

Methods And Results: WATCH-IT (Wearable Activity Tracking for Comprehensive Healthcare-Integrated Technology) studied adults receiving longitudinal primary or ambulatory cardiovascular care in the Mass General Brigham health care system from January 2010 to July 2021.

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Objective: Identify if primary care physicians (PCPs) accurately understand patient preferences for colorectal cancer (CRC) testing, whether shared decision making (SDM) training improves understanding of patient preferences, and whether time spent discussing CRC testing improves understanding of patient preferences.

Methods: Secondary analysis of a trial comparing SDM training plus a reminder arm to a reminder alone arm. PCPs and their patients completed surveys after visits assessing whether they discussed CRC testing, patient testing preference, and time spent discussing CRC testing.

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Background: While nonpharmacologic treatments are increasingly endorsed as first-line therapy for low back pain (LBP) in clinical practice guidelines, it is unclear if use of these treatments is increasing or equitable.

Objective: Examine national trends in chiropractic care and physical rehabilitation (occupational/physical therapy (OT/PT)) use among adults with LBP.

Design/setting: Serial cross-sectional analysis of the National Health Interview Survey, 2002 to 2018.

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Background: Lifestyle modification programs, such as cardiac rehabilitation, may reduce atrial fibrillation (AF) burden and improve quality of life (QOL), but remain unproven. The objective of this pilot study was to assess feasibility, acceptability, and preliminary effectiveness of an exercise and nutrition-based cardiac rehabilitation-like program for AF patients.

Methods: We enrolled overweight adults aged ≥ 30 years with symptomatic AF in a 12-week cardiac lifestyle group program, including 6 virtual and 6 in-person visits.

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Importance: Realizing the benefits of cancer screening requires testing of eligible individuals and processes to ensure follow-up of abnormal results.

Objective: To test interventions to improve timely follow-up of overdue abnormal breast, cervical, colorectal, and lung cancer screening results.

Design, Setting, And Participants: Pragmatic, cluster randomized clinical trial conducted at 44 primary care practices within 3 health networks in the US enrolling patients with at least 1 abnormal cancer screening test result not yet followed up between August 24, 2020, and December 13, 2021.

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Background: Despite benefits of oral anticoagulation (OAC), many individuals with diagnosed atrial fibrillation (AF) do not receive OAC.

Objective: The purpose of this study was to assess whether cardiac rhythm assessment for AF impacted use of OAC in patients with previously diagnosed AF.

Methods: VITAL-AF was a cluster randomized controlled trial conducted in 16 primary care practices assessing the efficacy of AF rhythm assessment with single-lead electrocardiogram in routine care.

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Article Synopsis
  • The study aimed to understand the characteristics and attitudes of users and non-users of consumer wearable devices designed for health and wellness, focusing on their impact on cardiovascular disease prevention and management.
  • Conducted within the Mass General Brigham healthcare system, the research involved a survey sent to nearly 215,000 patients, where 11,121 responded, revealing that 55.8% were wearable device users, while 95.3% of non-users expressed willingness to use a device if free.
  • Key findings showed that many users had not shared their device data with doctors, yet felt sharing this information was important; factors influencing device usage included age, gender, heart failure status, and income level
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