نتایج جستجو برای: ischemic cardiomyopathy
تعداد نتایج: 120072 فیلتر نتایج به سال:
Ventricular tachycardias (VTs) occurring after prior myocardial infarction are usually caused by reentrant circuits formed by surviving myocardial bundles. Although part of the reentrant circuits may be located in the midmyocardium or epicardium, most of the VTs can be safely and successfully ablated by endocardial ablation targeting the late potentials/local abnormal ventricular activation, wh...
OBJECTIVES The inverse relationship between QT interval variability (QTV) and T wave amplitude potentially confounds QT variability assessment. We quantified the influence of the T wave amplitude on QTV in a comprehensive dataset and devised a correction formula. METHODS Three ECG datasets of healthy subjects were analyzed to model the relationship between T wave amplitude and QTV. To derive ...
Apoptotic death of cardiac myocytes is associated with ischemic heart disease and chemotherapy-induced cardiomyopathy. Chemoattractant receptor-homologous molecule expressed on T helper type 2 cells (CRTH2) is highly expressed in the heart. However, its specific role in ischemic cardiomyopathy is not fully understood. Here, we demonstrated that CRTH2 disruption markedly improved cardiac recover...
Macrophage migration inhibitory factor (MIF) is a pleiotropic inflammatory protein and contributes to several different inflammatory and ischemic/hypoxic diseases. MIF was shown to be cardioprotective in experimental myocardial ischemia/reperfusion injury and its expression is regulated by the transcription factor hypoxia-inducible factor (HIF)-1α. We here report on MIF expression in the failin...
The risk of rupture of LV pseudaneurysm is still not well understood, and ischemic cardiomyopathy with heart failure is a common consequence. Simple investigations like chest X-ray can give clue to such a serious diagnosis.
Percutaneous epicardial access, introduced by Sosa et al. (1) in the mid-1990s, provided an important diagnostic and therapeutic approach to the recognition and management of scar-related epicardial ventricular tachycardia (VT). Since that time, the need for epicardial ablation has been reported in 10% to 15% of patients with ischemic cardiomyopathy (ICM) (2–4), 25% to 50% of patients with noni...
INTRODUCTION AND OBJECTIVES Little is known about how responses to cardiac resynchronization therapy (CRT) are affected by the nature of the underlying cardiopathy. The aim of this study was to investigate how cardiopathy etiology influences the effect of CRT on reverse left ventricular remodeling. METHODS The study included 106 patients with left ventricular systolic dysfunction and left bun...
QRS duration and morphology, evaluated via a standard 12-lead electrocardiogram (ECG), represent an opportunity to derive useful prognostic information regarding the risk of subsequent cardiac events or therapeutic outcomes. Prolonged QRS duration, and the presence of intraventricular conduction abnormalities, usually indicate the presence of changes in the myocardium due to underlying heart di...
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