Publications by authors named "James W Stewart"

Introduction: Cardiac surgery remains highly morbid and requires significant postoperative care. The use of postacute care facilities, such as skilled nursing facilities (SNFs) has grown in popularity to reduce healthcare spendings. Currently, sex and race disparities associated with SNF use after cardiac surgery are poorly understood.

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Background: Internet-based health education is increasingly vital in patient care. However, the readability of online information often exceeds the average reading level of the US population, limiting accessibility and comprehension. This study investigates the use of chatbot artificial intelligence to improve the readability of cancer-related patient-facing content.

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Objective: Professional standards recommend stopping cardiotomy suction at the termination of cardiopulmonary bypass before protamine administration based on perceived safety concerns. This study evaluated a multidisciplinary collaborative quality-improvement intervention promoting this agreed-upon cardiotomy suction practice during coronary artery bypass grafting (CABG).

Methods: A statewide intervention (eg, unblinded surgeon and perfusionist feedback, evidence-based lectures, evaluating barriers to change) involved 32 centers participating in the PERForm (ie, Perfusion Measures and Outcomes) Registry to standardize cardiotomy suction practices at cardiopulmonary bypass termination during CABG.

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There has been little progress in reducing health care disparities since the 2003 landmark Institute of Medicine's report Unequal Treatment. Despite the higher burden of cardiovascular disease in underrepresented racial and ethnic groups, they have less access to cardiologists and cardiothoracic surgeons, and have higher rates of morbidity and mortality with cardiac surgical interventions. This review summarizes existing literature and highlights disparities in cardiovascular perioperative health care.

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Background: Over 20% of patients are discharged to a skilled nursing facility (SNF) after coronary artery bypass graft surgery, but little is known about specific drivers for postdischarge SNF use. The purpose of this study was to evaluate hospital variation in SNF use and its association with postoperative outcomes after coronary artery bypass graft.

Methods And Results: A retrospective study design utilizing Medicare Provider Analysis and Review files was used to evaluate SNF use among 70 509 beneficiaries undergoing coronary artery bypass graft, with or without valve procedures, between 2016 and 2018.

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Background: Although disparities in cardiac rehabilitation (CR) participation are well documented, the role of community-level distress is poorly understood. This study evaluated the relationship between community-level distress and CR participation, access to CR facilities, and clinical outcomes.

Methods: A retrospective cohort study was conducted on a 100% sample of Medicare beneficiaries undergoing inpatient coronary revascularization between July 2016 and December 2018.

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Objectives: The use of del Nido cardioplegia in adult cardiac surgery is rising in popularity. The objective of this large multicenter study was to evaluate the use and associated outcomes of del Nido versus blood cardioplegia in adult cardiac surgery.

Methods: Patients undergoing coronary artery bypass grafting (CABG) and/or valve (mitral, aortic), and/or nondescending thoracic aortic surgery (July 2014 to March 2022) across 39 centers were extracted from the Perfusion Measures and Outcomes registry.

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Background: Skilled nursing facility (SNF) care is frequently used after cardiac surgery, but the patterns and determinants of use have not been well understood. The objective of this study was to evaluate determinants and outcomes associated with SNF use after isolated coronary artery bypass grafting.

Methods: A retrospective analysis of Medicare Fee-For-Service claims linked to the Society of Thoracic Surgeons clinical data was conducted on isolated coronary artery bypass grafting patients without prior SNF use in Michigan between 2011 and 2019.

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Background: Left ventricular assist device (LVAD) implantation leads to substantial and sustained improvement in health-related quality of life (HRQOL) among patients. Infection following device implantation remains an important and frequent complication and adversely affects patient-reported HRQOL.

Methods: Patients in The Society of Thoracic Surgeons' Interagency Registry for Mechanically Assisted Circulatory Support receiving a primary LVAD between April 2012 to October 2016 were included.

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Objective: Racial and ethnic inequities in surgical care in the United States are well documented. Less is understood about evidence-based interventions that improve surgical care and reduce or eliminate inequities. In this review, we discuss effective patient, surgeon, community, health care system, policy, and multi-level interventions to reduce inequities and identifying gaps in intervention-based research.

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Background: Reducing racial disparities in lung transplant outcomes is a current priority of providers, policymakers, and lung transplant centers. It is unknown how the combined effect of race and ethnicity, gender, and diagnosis group is associated with differences in 1-year mortality and 5-year survival.

Methods: This is a longitudinal cohort study using Standard Transplant Analysis Research files from the United Network for organ sharing.

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Importance: There is a need to better assess the cumulative effect on morbidity and mortality in patients undergoing durable left ventricular assist device (LVAD) implantation. This study evaluates a patient-centered performance metric (days alive and out of hospital [DAOH]) for durable LVAD therapy.

Objective: To determine the incidence of percent of DAOH before and after LVAD implantation and (2) explore its association with established quality metrics (death, adverse events [AEs], quality of life).

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Centers for Medicare and Medicaid Services created a 5-star quality rating system to evaluate skilled nursing facilities (SNFs). Patient discharge to lower-star quality SNFs has been shown to adversely impact surgical outcomes. Recent data has shown that over 20% of patients are discharged to an SNF after CABG, but the link between SNF quality and CABG outcomes has not been established.

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Importance: In 2020, the Centers for Medicare & Medicaid Services revised its national coverage determination, removing the requirement to obtain review from a Medicare-approved heart transplant center to implant a durable left ventricular assist device (LVAD) for bridge-to-transplant (BTT) intent at an LVAD-only center. The association between center-level transplant availability and access to heart transplant, the gold-standard therapy for advanced heart failure (HF), is unknown.

Objective: To investigate the association of center transplant availability with LVAD implant strategies and subsequent heart transplant following LVAD implant before the Centers for Medicare & Medicaid Services policy change.

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Objective: Health literacy is associated with heart failure (HF) care and outcomes. Online resources offer important educational materials for patients seeking access to heart transplantation but tend to be complex and potentially ineffective for non-English speakers and those with low reading levels. The purpose of this study was to evaluate both the readability of patient-level information posted on United States heart transplant center websites and the availability of non-English resources.

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Objective: Health professional shortage areas (HPSAs) were created by the Health Resources and Services Administration to identify communities with a shortage of clinical providers. For medical conditions, these designations are associated with worse outcomes. However, far less is known about patients undergoing high-complexity surgical procedures, such as coronary artery bypass grafting (CABG).

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Background: Improved health-related quality of life (HRQOL) is an important outcome following durable left ventricular assist device (LVAD) implant. However, half of pre-implant HRQOL data are incomplete in The Society of Thoracic Surgeons' Intermacs registry. Pre-implant HRQOL incompleteness may reflect patient status or hospital resources to capture HRQOL data.

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Importance: While left ventricular assist devices (LVADs) increase survival for patients with advanced heart failure (HF), racial and sex access and outcome inequities remain and are poorly understood.

Objectives: To assess risk-adjusted inequities in access and outcomes for both Black and female patients and to examine heterogeneity in treatment decisions among patients for whom clinician discretion has a more prominent role.

Design, Setting, And Participants: This retrospective cohort study of 12 310 Medicare beneficiaries used 100% Medicare Fee-for-Service administrative claims.

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Article Synopsis
  • The study aimed to validate a modified Sequential Organ Failure Assessment (mSOFA) that uses the Richmond Agitation-Sedation Scale (RASS) instead of the Glasgow Coma Scale (GCS) to predict ICU mortality.
  • Despite differences in the mean scores, both SOFA and mSOFA were similarly effective in predicting ICU mortality, indicating that RASS can serve as a reliable substitute for GCS.
  • The findings suggest that incorporating alternative neurologic assessments like RASS into severity scoring systems can maintain their predictive validity for patient outcomes in critical care settings.
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Background: While understanding of critical illness and delirium continue to evolve, the impact on clinical practice is often unknown and delayed. Our purpose was to provide insight into practice changes by characterizing analgesia and sedation usage and occurrence of delirium in different years and international regions.

Methods: We performed a retrospective analysis of two multicenter, international, prospective cohort studies.

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