Publications by authors named "Doyle Cummings"

Backgruound: Social determinants of health (SDOH) have been associated with diabetes risk; however, their association with cardiovascular disease (CVD) events in individuals with diabetes is poorly described. We hypothesized that a greater number of SDOH among individuals with diabetes would be associated with a higher risk of CVD events.

Methods: The REasons for Geographic and Racial Differences in Stroke (REGARDS) study is a national, biracial cohort of 30,239 individuals ≥45 years old recruited in 2003-2007.

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Importance: Rural Black participants need effective intervention to achieve better blood pressure (BP) control.

Objective: Among Black rural adults with persistently uncontrolled hypertension attending primary care clinics, to determine whether peer coaching (PC), practice facilitation (PF), or both (PCPF) are superior to enhanced usual care (EUC) in improving BP control.

Design, Setting, And Participants: A cluster randomized clinical trial was conducted in 69 rural primary care practices across Alabama and North Carolina between September 23, 2016, and September 26, 2019.

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Background And Objectives: Improving access to health care providers with clinical expertise in stroke care may influence the use of recommended strategies for reducing disparities in quality of care. Few studies have examined differences in the receipt of evaluation by neurologists during the hospital stay. We examined the proportion of individuals hospitalized for acute ischemic stroke who received evaluation by a neurologist during the hospital stay and characterized differences in receipt of neurologist evaluation by race (Black vs White), sex, age, and study region (Stroke Belt residence vs other) among those experiencing a stroke who were participating in a national cohort study.

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Aim: There are limited data to evaluate hospitalization for heart failure (hHF) in non-Hispanic Black (hereafter Black) or non-Hispanic White (hereafter White) individuals without previous hHF. Our goal was to evaluate the risk of hHF among Black versus White patients with type 2 diabetes (T2DM) who were initially prescribed empagliflozin using real-world data.

Methods: This multicentre retrospective cohort study included participants aged ≥18 years who had T2DM, were either Black or White, had no previous hHF, and were prescribed empagliflozin between August 2014 and December 2019.

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Background: Heart failure (HF) affects >6 million US adults, with recent increases in HF hospitalizations. We aimed to investigate the association between neighborhood disadvantage and incident HF events and potential differences by diabetes status.

Methods: We included 23 645 participants from the REGARDS study (Reasons for Geographic and Racial Differences in Stroke), a prospective cohort of Black and White adults aged ≥45 years living in the continental United States (baseline 2005-2007).

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Introduction: The prevalence of mental health disorders is rising among US service members; however, research is limited on their use of mental health care. The objective of our study was to determine whether racial and ethnic disparities exist in the use of mental health care and perceived mental health stigma among active-duty service members.

Methods: We obtained data from a sample of 17,166 active-duty service members who participated in the 2018 Department of Defense Health Related Behavior Survey (HRBS).

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Background: Practice facilitators (PFs) coach practices through quality improvement (QI) initiatives aimed at enhancing patient outcomes and operational efficiencies. Practice facilitation is a dynamic intervention that, by design, is tailored to practices' unique needs and contexts. Little research has explored the amount of time PFs spend with practices on QI activities.

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Objective: To assess diabetes self-management education and support (DSMES) completion rate and explore the differences in DSMES completion by different delivery models.

Methods: We conducted a retrospective analysis of 2017-2021 DSMES data at 2 local health departments (LHDs) in Eastern North Carolina. We evaluated DSMES completion by 2 delivery models.

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Background: Impoverished African Americans (AA) with hypertension face poor health outcomes.

Purpose: To conduct a cluster-randomized trial testing two interventions, alone and in combination, to improve blood pressure (BP) control in AA with persistently uncontrolled hypertension.

Methods: We engaged primary care practices serving rural Alabama and North Carolina residents, and in each practice we recruited approximately 25 AA adults with persistently uncontrolled hypertension (mean systolic BP >140 mmHg over the year prior to enrollment plus enrollment day BP assessed by research assistants ≥140/90 mmHg).

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Background: Published guidelines recommend high-intensity statins following an ischemic stroke or transient ischemic attack (TIA). The authors examined the potential for disparate patterns of statin prescribing in a cluster randomized trial of transitional care following acute stroke or TIA.

Methods: Medications taken before hospitalization and statins prescribed at discharge among stroke and TIA patients at 27 participating hospitals were examined.

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Background And Objectives: We examined transitional care management within 90 days and 1 year following discharge home among acute stroke and transient ischemic attack patients from the Comprehensive Post-Acute Stroke Services (COMPASS) Study, a cluster-randomized pragmatic trial of early supported discharge conducted in 41 hospitals (40 hospital units) in North Carolina, United States.

Methods: Data for 2262 of the total 6024 (37.6%; 1069 intervention and 1193 usual care) COMPASS patients were linked with the Centers for Medicare and Medicaid Services fee-for-service Medicare claims.

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Background: Racial disparities related to hypertension prevalence and control persist, with Black persons continuing to have both high prevalence and suboptimal control. The Black Belt region of the US Southeast is characterized by multiple critical priority populations: rural, low-income, and minority (Black).

Methods: In a cluster-randomized, controlled, pragmatic implementation trial, the Southeastern Collaboration to Improve Blood Pressure Control evaluated two multi-component, multi-level functional interventions - peer coaching (PC) and practice facilitation (PF) (separately and combined) - as adjuncts to usual care to improve blood pressure control in the Black Belt.

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Background/objective: Because racial disparities in hypertension treatment persist, the objective of the present study was to examine patient vs. practice characteristics that influence antihypertensive selection and treatment intensity for non-Hispanic Black (hereafter "Black") patients with uncontrolled hypertension in the rural southeastern USA.

Methods: We enrolled 25 Black patients from each of 69 rural practices in Alabama and North Carolina with uncontrolled hypertension (systolic blood pressure (BP) ≥ 140 mm Hg) in a 4-arm cluster randomized trial of BP control interventions.

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Background: Practice facilitators (PFs) provide tailored support to primary care practices to improve the quality of care delivery. Often used by PFs, the "Key Driver Implementation Scale" (KDIS) measures the degree to which a practice implements quality improvement activities from the Chronic Care Model, but the scale's psychometric properties have not been investigated. We examined construct validity, reliability, floor and ceiling effects, and a longitudinal trend test of the KDIS items in the Southeastern Collaboration to Improve Blood Pressure Control trial.

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Article Synopsis
  • Primary care physicians play a crucial role in providing musculoskeletal (MSK) care, but there's limited information on the injection practices of family medicine residents (FMRs), especially those following a sports medicine (SM) track.
  • This study analyzed data from PGY-2 and PGY-3 residents comparing the volume of MSK injections performed by SM track residents (SMRs) versus traditional FMRs (non-SMRs) from 2018-2021.
  • Findings indicated that SMRs performed significantly more MSK injections per patient than non-SMRs, particularly in their third year, suggesting that participation in an SM track enhances procedural experience.
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Diabetes-related microvascular complications include diabetic neuropathy (eg, diabetic symmetric polyneuropathy (DSPN), cardiac autonomic neuropathy, gastroparesis, enteropathy, erectile dysfunction, female sexual dysfunction, and hypoglycemia unawareness), diabetic kidney disease (DKD), and diabetes-related eye disease (eg, diabetic retinopathy (DR) and cataract). Both diabetes duration and degree of glycemic control strongly correlate with the development of microvascular complications. The development of diabetes-related microvascular complications interferes with the patient's quality of life and poses higher health system costs.

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Although medication adherence is commonly measured in electronic datasets using the proportion of days covered (PDC), no standardized approach is used to calculate and report this measure. We conducted a scoping review to understand the approaches taken to calculate and report the PDC for cardiovascular medicines to develop improved guidance for researchers using this measure. After prespecifying methods in a registered protocol, we searched Ovid Medline, Embase, Scopus, CINAHL Plus and grey literature (1 July 2012 to 14 December 2020) for articles containing the terms "proportion of days covered" and "cardiovascular medicine", or synonyms and subject headings.

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Given the CV benefit noted in the CVOTs, GLP-1RAs and SGLT-2is are given preference in T2DM guidelines. While guidelines do not report potential gender difference, those differences exist. On restricting the CVOTs results to women with increased CV risk or established ASCVD, GLP-1RAs significantly reduced MACE while SGLT-2is resulted in a non-significant reduction.

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Objective: The association between neighborhood disadvantage and health is well-documented. However, whether these associations may differ across rural and urban areas is unclear. This study examines the association between a multi-item neighborhood social and economic environment (NSEE) measure and diabetes prevalence across urban and rural communities in the US.

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Background: Baseline depressive symptoms are associated with subsequent adverse cardiovascular (CV) events in subjects with and without diabetes but the impact of persistent symptoms vs. improvement remains controversial.

Objective: Examine long-term changes in depressive symptoms in individuals with and without diabetes and the associated risk for adverse CV events.

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In many populations, higher social functioning is associated with lower depressive symptomatology, which in turn is associated with improved cardiovascular health. This study aimed to establish an association between social functioning and depressive symptomatology, which has not yet been demonstrated in the African American Black Belt. This would be an important finding in a region with high cardiovascular morbidity.

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Objectives: To assess (1) the willingness to get a COVID-19 vaccine among Medicare beneficiaries, (2) the associated factors, and (3) the reasons for vaccine hesitancy.

Methods: Data were taken from the Medicare Current Beneficiary Survey (MCBS) 2020 Fall COVID-19 Supplement, conducted October-November 2020. Willingness to get a COVID-19 vaccine was measured by respondents' answer to whether they would get a COVID-19 vaccine when available.

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There may be hesitancy in prescribing GLP-1RA in older adults. On pooling results from the CVOTs comparing GLP-1RA to placebo, there was a significantly lower incidence of MACE favoring GLP-1RA in both younger and older adults. GLP-1RA should be considered in high risk patients regardless of age.

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