Shannon M. Knapp
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View article: Relationship Between Hospital Team Segregation Index, Heart Failure, and Ischemic Heart Disease
Relationship Between Hospital Team Segregation Index, Heart Failure, and Ischemic Heart Disease Open
View article: Stratification of Clinical Microvascular Disease Severity Using Non-Invasive Monofilament Testing in Patients with Type 2 Diabetes Mellitus
Stratification of Clinical Microvascular Disease Severity Using Non-Invasive Monofilament Testing in Patients with Type 2 Diabetes Mellitus Open
Background: Microvascular disease (MVD) describes systemic changes in small vessels (~100 µm diameter or smaller) that impair tissue oxygenation and perfusion. MVD has been demonstrated to play an independent role in the risk of limb loss.…
View article: Relationship Between Health Care Team Segregation and Receipt of Care by a Cardiologist According to Patient Race in a Midwestern State
Relationship Between Health Care Team Segregation and Receipt of Care by a Cardiologist According to Patient Race in a Midwestern State Open
Background Segregation index (SI) has been associated with worsened health. However, the relationship between SI within health care teams (degree of heterogeneity between teams caring for Black compared with White patients) and cardiovascu…
View article: Cannabis use and heart transplant listing: A survey of clinician practices
Cannabis use and heart transplant listing: A survey of clinician practices Open
No consensus exists for heart transplant listing for patients who use cannabis. We conducted a web-based survey to assess knowledge, and practice patterns towards patients with heart failure who use cannabis referred for transplant. A tota…
View article: Relationship Between Race, Predelivery Cardiology Care, and Cardiovascular Outcomes in Preeclampsia/Eclampsia Among a Commercially Insured Population
Relationship Between Race, Predelivery Cardiology Care, and Cardiovascular Outcomes in Preeclampsia/Eclampsia Among a Commercially Insured Population Open
BACKGROUND: It is unknown whether predelivery cardiology care is associated with future risk of major adverse cardiovascular events (MACE) in preeclampsia/eclampsia (PrE/E). We sought to determine the cumulative incidence of MACE by race a…
View article: Association between clinician team segregation, receipt of cardiovascular care and outcomes in valvular heart diseases
Association between clinician team segregation, receipt of cardiovascular care and outcomes in valvular heart diseases Open
Aims Racial disparities exist in clinical outcomes for valvular heart disease (VHD). It is unknown whether clinician segregation contributes to these disparities. Among an adequately insured population, we evaluated the relationship betwee…
View article: Differences in Donor Heart Acceptance by Race and Gender of Patients on the Transplant Waiting List
Differences in Donor Heart Acceptance by Race and Gender of Patients on the Transplant Waiting List Open
Importance Barriers to heart transplant must be overcome prior to listing. It is unclear why Black men and women remain less likely to receive a heart transplant after listing than White men and women. Objective To evaluate whether race or…
View article: Association between social vulnerability index and admission urgency for transcatheter aortic valve replacement
Association between social vulnerability index and admission urgency for transcatheter aortic valve replacement Open
View article: Hospital frailty risk score is superior to legacy comorbidity indices for risk adjustment of in-hospital cirrhosis cases
Hospital frailty risk score is superior to legacy comorbidity indices for risk adjustment of in-hospital cirrhosis cases Open
We compared commonly used comorbidity indices to a more recently described risk score (hospital frailty risk score [HFRS]) in patients with cirrhosis using a national sample of hospital records. Comorbid conditions are common in hospitalis…
View article: Trends in Racial and Ethnic Disparities in the Receipt of Lifesaving Procedures for Hospitalized Patients With Decompensated Cirrhosis in the US, 2009-2018
Trends in Racial and Ethnic Disparities in the Receipt of Lifesaving Procedures for Hospitalized Patients With Decompensated Cirrhosis in the US, 2009-2018 Open
Importance Patients with decompensated cirrhosis are hospitalized for acute management with temporizing and lifesaving procedures. Published data to inform intervention development in this area are more than a decade old, and it is not cle…
View article: Racial and Ethnic Disparities in Ambulatory Heart Failure Ventricular Assist Device Implantation and Survival
Racial and Ethnic Disparities in Ambulatory Heart Failure Ventricular Assist Device Implantation and Survival Open
View article: The Insulin-Only Bionic Pancreas Improves Glycemic Control in Non-Hispanic White and Minority Adults and Children With Type 1 Diabetes
The Insulin-Only Bionic Pancreas Improves Glycemic Control in Non-Hispanic White and Minority Adults and Children With Type 1 Diabetes Open
OBJECTIVE We evaluated the performance of the iLet bionic pancreas (BP) in non-Hispanic White individuals (here referred to as “Whites”) and in Black, Hispanic, and other individuals (here collectively referred to as “Minorities”). RESEARC…
View article: Pilot test of a multicomponent implementation strategy for equity in advanced heart failure allocation
Pilot test of a multicomponent implementation strategy for equity in advanced heart failure allocation Open
View article: Group Dynamics and Allocation of Advanced Heart Failure Therapies—Heart Transplants and Ventricular Assist Devices—By Gender, Racial, and Ethnic Group
Group Dynamics and Allocation of Advanced Heart Failure Therapies—Heart Transplants and Ventricular Assist Devices—By Gender, Racial, and Ethnic Group Open
Background US regulatory framework for advanced heart failure therapies (AHFT), ventricular assist devices, and heart transplants, delegate eligibility decisions to multidisciplinary groups at the center level. The subjective nature of dec…
View article: Developing the Study Question: Relationship Between Cardiologist Age and Delivery of Aortic Valve Replacement
Developing the Study Question: Relationship Between Cardiologist Age and Delivery of Aortic Valve Replacement Open
Introduction:Aortic stenosis (AS) is the most common valve disease worldwide, but intervention for symptomatic AS is variable and dependent on patient age, frailty, and co-morbidities. Recent studies have suggested that the greatest determ…
View article: Disparities in preventative diabetic foot examination
Disparities in preventative diabetic foot examination Open
View article: Health Communication Should do no Harm: Weight and Diabetes Stigma in Online Health Content
Health Communication Should do no Harm: Weight and Diabetes Stigma in Online Health Content Open
Stigmatizing language in online health communication negatively impacts patient experience and health outcomes. Journals, medical associations, and patient groups have affirmed the use of person-centered language; however, those changes ha…
View article: Race and Gender-Based Perceptions of Older Septuagenarian Adults
Race and Gender-Based Perceptions of Older Septuagenarian Adults Open
Participants had few biases toward older Black and White models, while gender biases favored men.
View article: Association Between the Affordable Care Act Medicaid Expansion and Receipt of Cardiac Resynchronization Therapy by Race and Ethnicity
Association Between the Affordable Care Act Medicaid Expansion and Receipt of Cardiac Resynchronization Therapy by Race and Ethnicity Open
Background Black and Hispanic patients are less likely to receive cardiac resynchronization therapy (CRT) than White patients. Medicaid expansion has been associated with increased access to cardiovascular care among racial and ethnic grou…
View article: Relationships between 2018 UNOS heart policy and transplant outcomes in metropolitan, micropolitan, and rural settings
Relationships between 2018 UNOS heart policy and transplant outcomes in metropolitan, micropolitan, and rural settings Open
View article: Rates of Diabetes-Related Major Amputations Among Racial and Ethnic Minority Adults Following Medicaid Expansion Under the Patient Protection and Affordable Care Act
Rates of Diabetes-Related Major Amputations Among Racial and Ethnic Minority Adults Following Medicaid Expansion Under the Patient Protection and Affordable Care Act Open
This study found a relative improvement in the major amputation rate among African American, Hispanic, and other racial and ethnic minority adults in early-expansion states compared with nonexpansion states, which could be because of the r…
View article: Ketogenic diets in the management of type 1 diabetes: Safe or safety concern?
Ketogenic diets in the management of type 1 diabetes: Safe or safety concern? Open
The jury is still out on whether a low-carbohydrate, ketosis-inducing diet is an effective and safe adjunctive therapy to insulin in type 1 diabetes. The limited published literature reports an association with weight loss and improved gly…
View article: Sex Disparities in Organ Donation: Finding an Equitable Donor Pool
Sex Disparities in Organ Donation: Finding an Equitable Donor Pool Open
Background The majority of living organ donors are women, but few are deceased organ donors, which increases risks associated with sex mismatched organs. We sought to identify reasons for sex disparities in organ donation and strategies fo…
View article: Imbalance in Heart Transplant to Heart Failure Mortality Ratio by Sex
Imbalance in Heart Transplant to Heart Failure Mortality Ratio by Sex Open
View article: Imbalance in Heart Transplant to Heart Failure Mortality Ratio Among African American, Hispanic, and White Patients
Imbalance in Heart Transplant to Heart Failure Mortality Ratio Among African American, Hispanic, and White Patients Open
View article: Health Outcomes Associated with Adherence to Antidepressant Use during Acute and Continuation Phases of Depression Treatment among Older Adults with Dementia and Major Depressive Disorder
Health Outcomes Associated with Adherence to Antidepressant Use during Acute and Continuation Phases of Depression Treatment among Older Adults with Dementia and Major Depressive Disorder Open
Objectives: To examine health outcomes associated with adherence to Healthcare Effectiveness Data and Information Set (HEDIS) antidepressant medication management (AMM) during acute and continuation phases of depression treatment among old…
View article: Improving Outcomes of Bariatric Surgery in Patients With Cirrhosis in the United States: A Nationwide Assessment
Improving Outcomes of Bariatric Surgery in Patients With Cirrhosis in the United States: A Nationwide Assessment Open
INTRODUCTION: With increasing burden of obesity and liver disease in the United States, a better understanding of bariatric surgery in context of cirrhosis is needed. We described trends of hospital-based outcomes of bariatric surgery amon…
View article: JHEP at a glance (November 2020)
JHEP at a glance (November 2020) Open
View article: Sex and Race Biases in Allocation of Advanced Heart Failure Therapies
Sex and Race Biases in Allocation of Advanced Heart Failure Therapies Open
Research Objective Racial bias influences allocation of advanced heart failure therapies, heart transplants, and ventricular assist devices (VAD). It is unknown whether sex and racial biases influence the allocation of advanced therapies a…
View article: Association of Gender and Race With Allocation of Advanced Heart Failure Therapies
Association of Gender and Race With Allocation of Advanced Heart Failure Therapies Open
This national study of health care professionals randomized to clinical vignettes that varied only by gender and race found evidence of gender and race bias in the decision-making process for offering advanced therapies for heart failure, …