Publications by authors named "Eyal Herzog"

The systemic amyloidoses are a broad spectrum of diseases that result from misfolding of proteins that aggregate into amyloid fibrils. In cardiac amyloidosis, amyloid fibrils accumulate in the interstitial space between cardiac myocytes causing cellular injury and impairing compliance. Current data suggest that cardiac amyloidosis is more common than previously thought.

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Non-bacterial thrombotic endocarditis is an uncommon entity that tends to be related to malignancy or rheumatological disorders. The diagnosis is complex and requires a high index of suspicion. It commonly causes recurrent emboli; however, coronary embolism remains an infrequently reported entity.

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Venous thromboembolism (VTE), the combined syndromes of deep vein thrombosis (DVT) and pulmonary embolism (PE), is currently the third most frequent acute cardiovascular syndrome globally behind myocardial infarction and stroke. PE carries substantial mortality. In the past decade, we have seen a remarkable improvement in new diagnostic tools as well as advances in therapeutic options to manage patients with PE.

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Introduction: Although acute myocardial infarction (AMI) is a disease predominantly affecting adults >60 years of age, a significant proportion of the young population who have different risk profiles, are also affected. We undertook a retrospective analysis using National Inpatient Sample (NIS) 2010 to 2014 to evaluate gender differences in characteristics, treatments, and outcomes in the younger AMI population.

Methods: The NIS 2010-2014 was used to identify all patient hospitalizations with AMI between 18 to <45 years using ICD-9-CM codes.

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Background The aim of the study is to compare in-hospital outcomes of acute ST-segment-elevation myocardial infarction (STEMI) between China and the United States. Methods and Results Urban teaching hospitals were queried for adult patients with a primary diagnosis of acute STEMI during 2007-2010. The primary outcome was in-hospital mortality, and the secondary outcome was length of stay.

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Cardiovascular disease is a leading cause of morbidity and mortality in human immunodeficiency virus (HIV) infected adults, and should be managed more aggressively.Prior studies highlighted treatment disparities for Acute Coronary Syndrome (ACS) among HIV patients. This study aims at examining these disparities with the latest large cohort data.

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Hyponatremia is a very common electrolyte abnormality, associated with poor short- and long-term outcomes in patients with heart failure (HF). Two opposite processes can result in hyponatremia in this setting: Volume overload with dilutional hypervolemic hyponatremia from congestion, and hypovolemic hyponatremia from excessive use of natriuretics. These two conditions require different therapeutic approaches.

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Background: Studies have suggested that obesity could improve prognosis in patients with heart failure (HF), known as the "obesity paradox." However, the association between bariatric surgery (BS) and HF outcomes is not well established.

Objective: This study aimed to assess the effects of prior BS on outcomes of HF patients.

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Hypertensive crisis is a serious medical condition defined as severely elevated blood pressure; typically the systolic blood pressure is above 180 mmHg, and/or the diastolic blood pressure is above 120 mmHg. Hypertensive crises are divided into two categories: hypertensive urgency and hypertensive emergency. Hypertensive urgency is asymptomatic while hypertensive emergency presents with end-organ damage requiring more aggressive blood-pressure lowering.

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Ventricular assist device (VAD) implantation has improved quality of life and short-term survival for advanced heart failure patients. There are limited data from single-center studies addressing the characteristics and etiologies of 30 day readmissions after VAD implant. We used the Nationwide Readmissions Database (NRD) 2014 to identify insertion of implantable heart assist system during index admission.

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Takotsubo syndrome, initially described in the 1990s by Sato, has been increasingly recognized around the world. Pathophysiology is directed towards central role of catecholamine surge , but other aspects like microvascular endothelial dysfunction and vasospasm have also been described. Dyspnea and chest pain are most common manifestations, but syncope can also be seen.

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Low-density cholesterol (LDL-C) has a causal association with coronary artery disease and acute coronary syndromes (ACS). Statins have been found to reduce LDL-C, and many randomized trials have documented the significant role of statins in prevention and treatment of ACS. Treatment with statin therapy is associated with few shortcomings.

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Inpatient hyperglycemia has been associated with increased morbidity and mortality in critically ill patients. Optimal control of blood glucose (BG) levels using insulin infusion protocols has been shown to improve clinical outcomes. Protocols have been developed to prescribe a safe and effective rate of insulin infusion for optimal control of BG levels; however, a major obstacle in their implementation is their complexity.

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Opinion Statements: Cardiovascular diseases (CVDs) encompass a range of conditions extending from congenital heart disease to acute coronary syndrome most of which are heterogenous in nature and some of them are multiple genetic loci. However, the pathogenesis of most CVDs remains incompletely understood. The advance in genome-editing technologies, an engineering process of DNA sequences at precise genomic locations, has enabled a new paradigm that human genome can be precisely modified to achieve a therapeutic effect.

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Sleep-disordered breathing is a highly prevalent medical condition, which if undiagnosed leads to increased morbidity and mortality, particularly related to increased incidence of cardiovascular events. It is therefore imperative that we identify patient population at high risk for sleep apnea and refer them to the appropriate therapy as early as possible. Up-to-date there is no management guideline specifically geared towards cardiac patients.

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Atrial fibrillation (AF) is the most common cardiac rhythm disturbance encountered in clinical practice, and its prevalence is increasing as the population ages. The American College of Cardiology, the American Heart Association, and the European Society of Cardiology established guidelines for the management of patients with AF. Atrial flutter (Afl) is less common and is often associated with or preceded by AF or occurs in an isolated pattern.

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Current guidelines recommend against revascularization of the noninfarct artery during the index percutaneous coronary intervention (PCI) in hemodynamically stable patients with ST-segment elevation myocardial infarction (STEMI). This was based largely on observational studies with few data coming from randomized controlled trials (RCTs). Recently, several small-to-moderate sized RCTs have provided data, suggesting that a multivessel revascularization approach may be appropriate.

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