Publications by authors named "Jerome L. Fleg"

Background: Women with chronic coronary disease have more frequent angina and worse health status than men, despite having less coronary artery disease (CAD). We examined whether perceived stress and depressive symptoms mediate sex differences in angina, and whether this relationship differs in the setting of obstructive CAD or ischemia with no obstructive coronary artery disease (INOCA).

Methods: We analyzed the association between sex, stress (Perceived Stress Scale-4) and depressive symptoms (Patient Health Questionnaire-8) on angina-related health status (Seattle Angina Questionnaire [SAQ]) at enrollment in the ISCHEMIA (International Study of Comparative Health Effectiveness With Medical and Invasive Approaches) trial and CIAO-ISCHEMIA (Changes in Ischemia and Angina Over 1 Year Among ISCHEMIA Trial Screen Failures With No Obstructive CAD on Coronary CT [Computed Tomography] Angiography) ancillary study.

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Article Synopsis
  • - The SPIRRIT-HFpEF trial aims to evaluate the benefits of mineralocorticoid receptor antagonists (MRAs) like spironolactone for patients with heart failure and preserved or mildly reduced ejection fraction, focusing on a cost-effective registry-based approach.
  • - This multicenter trial involves randomizing patients to receive either MRAs with usual care or just usual care, measuring outcomes such as cardiovascular deaths and heart failure-related hospitalizations over a 6-year enrollment period, with a target of around 2400 patients.
  • - The study’s findings will provide insights into the effectiveness of MRAs for heart failure patients and demonstrate the viability of using pragmatic, registry-based trials for research in chronic conditions.
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Aging is associated with a significant decline in aerobic capacity assessed by maximal exercise oxygen consumption (V̇o). The relative contributions of the specific V̇o components driving this decline, namely cardiac output (CO) and arteriovenous oxygen difference (A - V)O, remain unclear. We examined this issue by analyzing data from 99 community-dwelling participants (baseline age: 21-96 yr old; average follow-up: 12.

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  • The study aimed to analyze how different high-sensitivity cardiac troponin (hs-cTn) assays impact the risk stratification and management of patients suspected of having acute coronary syndrome (ACS) based on the 2020 European Society of Cardiology guidelines.
  • Blood samples from 238 patients were tested using four different hs-cTn assays, and results showed a 74% overall concordance in classifying patients, with significant variations in rule-out and observe strata but not in rule-in strata.
  • Findings revealed that management decisions and quality of care varied significantly among assays, suggesting that patient outcomes could be influenced by the specific assay used, indicating a need for more research to standardize practices.
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Objective: This study aimed to assess whether an obesity paradox (lower event rates with higher body mass index [BMI]) exists in participants with advanced chronic kidney disease (CKD) and chronic coronary disease in the International Study of Comparative Health Effectiveness of Medical and Invasive Approaches (ISCHEMIA)-CKD, and whether BMI modified the effect of initial treatment strategy.

Methods: Baseline BMI was analyzed as both a continuous and categorical variable (< 25, ≥ 25 to < 30, ≥ 30 kg/m). Associations between BMI and the primary outcome of all-cause death or myocardial infarction (D/MI), and all-cause death, cardiovascular death, and MI individually were estimated.

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  • Global longitudinal strain (GLS) is a useful tool for detecting hidden heart problems in patients with obstructive coronary artery disease (CAD), but its relationship with ischemia in those with myocardial ischemia and no obstructive CAD (INOCA) is less understood.
  • A study analyzed GLS in patients with INOCA using stress echocardiography, revealing that the majority had normal GLS values both at enrollment and after one year, but these values did not correlate with stress-induced ischemia.
  • The findings suggest that in INOCA patients, normal GLS does not indicate the presence or severity of ischemia, indicating a need for alternative assessment methods for myocardial dysfunction in this group.
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Heart failure with preserved ejection fraction (HFpEF) is one of the most common forms of heart failure; its prevalence is increasing, and outcomes are worsening. Affected patients often experience severe exertional dyspnea and debilitating fatigue, as well as poor quality of life, frequent hospitalizations, and a high mortality rate. Until recently, most pharmacological intervention trials for HFpEF yielded neutral primary outcomes.

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Heart failure with preserved ejection fraction (HFpEF) is one of the most common forms of heart failure; its prevalence is increasing, and outcomes are worsening. Affected patients often experience severe exertional dyspnea and debilitating fatigue, as well as poor quality of life, frequent hospitalizations, and a high mortality rate. Until recently, most pharmacological intervention trials for HFpEF yielded neutral primary outcomes.

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Background: In ISCHEMIA-CKD, 777 patients with advanced chronic kidney disease and chronic coronary disease had similar all-cause mortality with either an initial invasive or conservative strategy (27.2% vs 27.8%, respectively).

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Black women are disproportionately affected by cardiovascular disease with an excess burden of cardiovascular morbidity and mortality. In addition, the racialized structure of the United States shapes cardiovascular disease research and health care delivery for Black women. Given the indisputable evidence of the disparities in health care delivery, research, and cardiovascular outcomes, there is an urgent need to develop and implement effective and sustainable solutions to advance cardiovascular health equity for Black women while considering their ethnic diversity, regions of origin, and acculturation.

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Background: The identification of variables obtained in the exercise test (ET) associated with increased risk of death is clinically relevant and would provide additional information for the management of Chagas disease (CD). The objective of the present study was to evaluate the association of ET variables with mortality in patients with chronic CD.

Methods: This retrospective longitudinal observational study included 232 patients (median age 46.

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Background: Patients with chronic kidney disease (CKD) on dialysis (CKD G5D) have worse cardiovascular outcomes than patients with advanced nondialysis CKD (CKD G4-5: estimated glomerular filtration rate <30 mL/[min·1.73m]). Our objective was to evaluate the relationship between achievement of cardiovascular guideline-directed medical therapy (GDMT) goals and clinical outcomes for CKD G5D versus CKD G4-5.

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Exercise intolerance, measured by peak oxygen consumption (V̇O2), is a hallmark feature of heart failure (HF). The effect is compounded in the elderly HF patient by aging-associated changes such as a reduction in lean muscle mass, an increase in adiposity, and a reduction in maximal heart rate and peripheral blood flow with exercise. There is a non-linear reduction in peak V̇O2 with age that accelerates in the later decades of life.

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Article Synopsis
  • - The ISCHEMIA-CKD study found that an invasive treatment strategy did not lower the risk of death or nonfatal myocardial infarction (MI) compared to a conservative treatment strategy in patients with advanced chronic kidney disease and stable coronary disease.
  • - MI types were classified using established definitions, revealing a 3-year incidence rate of 11.2% for invasive and 13.6% for conservative strategies, with procedural MIs being more common in the invasive group.
  • - Both type 1 and procedural MIs were associated with significantly increased risks of all-cause death and the initiation of dialysis, highlighting the serious implications of these heart events in patients undergoing different treatment strategies.
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Older adults with cardiovascular disease (CVD) contend with deficits across multiple domains of health due to age-related physiological changes and the impact of CVD. Multimorbidity, polypharmacy, cognitive changes, and diminished functional capacity, along with changes in the social environment, result in complexity that makes provision of CVD care to older adults challenging. In this review, we first describe the history of geriatric cardiology, an orientation that acknowledges the unique needs of older adults with CVD.

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Importance: Prior trials of invasive vs conservative management of chronic coronary disease (CCD) have not enrolled patients with severe chronic kidney disease (CKD). As such, outcomes across kidney function are not well characterized.

Objectives: To evaluate clinical and quality-of-life (QoL) outcomes across the spectrum of CKD following conservative and invasive treatment strategies.

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Background: Patients with heart failure (HF) with preserved ejection fraction are commonly admitted to the hospital for both cardiovascular (CV) and noncardiovascular (non-CV) reasons. The prognostic implications of non-CV hospitalizations in this population are not well understood. In this study, we aimed to examine the prognostic implications of hospitalizations owing to CV and non-CV reasons in a HF with preserved ejection fraction population.

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Background In participants with concomitant chronic coronary disease and advanced chronic kidney disease (CKD), the effect of treatment strategies on the timing of dialysis initiation is not well characterized. Methods and Results In ISCHEMIA-CKD (International Study of Comparative Health Effectiveness With Medical and Invasive Approaches-Chronic Kidney Disease), 777 participants with advanced CKD and moderate or severe ischemia were randomized to either an initial invasive or conservative management strategy. Herein, we compare the proportion of randomized participants with non-dialysis-requiring CKD at baseline (n=362) who initiated dialysis and compare the time to dialysis initiation between invasive versus conservative management arms.

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A large proportion of patients with suspected obstructive coronary artery disease (CAD) is found to have ischemia with no obstructive coronary artery disease (INOCA). Based on current evidence, these patients are at increased risk of adverse cardiovascular events, even though they have no obstructive CAD. Importantly, INOCA is associated with recurrent clinical presentations with chest pain, impaired functional capacity, reduced health-related quality of life, and high healthcare costs.

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Socioeconomic disparities in cardiovascular risk factors and outcomes exist among women, particularly those of minority racial or ethnic backgrounds. Barriers to optimal cardiovascular health begin early in life-with inadequate access to effective contraception, postpartum follow-up, and maternity leave-and result in excess rates of myocardial infarction, stroke, and cardiovascular death in at-risk populations. Contributing factors include reduced access to care, low levels of income and social support, and lack of diversity among cardiology clinicians and within clinical trials.

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Background: The ISCHEMIA-CKD (International Study of Comparative Health Effectiveness with Medical and Invasive Approaches-Chronic Kidney Disease) trial found no advantage to an invasive strategy compared to conservative management in reducing all-cause death or myocardial infarction (D/MI). However, the prognostic influence of angiographic coronary artery disease (CAD) burden and ischemia severity remains unknown in this population. We compared the relative impact of CAD extent and severity of myocardial ischemia on D/MI in patients with advanced chronic kidney disease (CKD).

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Background: Among patients with diabetes and chronic coronary disease, it is unclear if invasive management improves outcomes when added to medical therapy.

Methods: The ISCHEMIA (International Study of Comparative Health Effectiveness with Medical and Invasive Approaches) trials (ie, ISCHEMIA and ISCHEMIA-Chronic Kidney Disease) randomized chronic coronary disease patients to an invasive (medical therapy + angiography and revascularization if feasible) or a conservative approach (medical therapy alone with revascularization if medical therapy failed). Cohorts were combined after no trial-specific effects were observed.

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