نتایج جستجو برای: ischemic dilated cardiomyopathy
تعداد نتایج: 128491 فیلتر نتایج به سال:
OBJECTIVES Clinically, patients with chronic heart failure arising from different etiologies receive the same treatment. However, the prognoses of these patients differ. The purpose of this study was to elucidate whether the pathogenesis of heart failure arising from different etiologies differs. METHODS Heart failure-related dataset GSE1145 was obtained from the Gene Expression Omnibus datab...
INTRODUCTION The aim of the study was to investigate at long-term follow-up the incidence of appropriate implantable cardioverter-defibrillator (ICD) shocks and of all-cause mortality in patients with ICDs with ischemic cardiomyopathy versus nonischemic cardiomyopathy. MATERIAL AND METHODS ICDs were implanted in 485 patients with ischemic cardiomyopathy and in 299 patients with nonischemic ca...
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...
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...
BACKGROUND Many of the factors that are known to alter left atrial (LA) contractility are present in patients with ischemic cardiomyopathy (ICM). Nevertheless, preservation of LA contractile function in this group of patients was reported in previous studies. The aim of this study was to assess the changes in LA size, geometry and contractile function in ICM. METHODS AND RESULTS 60 subjects (...
BACKGROUNDS Clinical trials have demonstrated that cardiac resynchronization therapy (CRT) is effective in patients with "non-ischemic cardiomyopathy". However, patients with dilated-phase hypertrophic cardiomyopathy (DHCM) have been generally excluded from such trials. We aimed to compare the clinical outcome of CRT in patients with DHCM, idiopathic dilated cardiomyopathy (IDCM), or ischemic c...
BACKGROUND Differences in the quantity and distribution of coronary veins between patients with ischemic and nonischemic cardiomyopathy might affect the potential for the left ventricular (LV) lead targeting in patients undergoing cardiac resynchronization therapy (CRT). In the current study, we assessed and compared the suitability of the coronary venous system for the LV lead placement in isc...
Few data exist on the pathophysiologic changes in pediatric heart failure. Most of the knowledge has evolved from animal models of ischemic or idiopathic dilated cardiomyopathy. This review addresses the pathophysiologic changes that occur in the failing heart from animal models and the adult experience to unique aspects of heart failure in children.
The association between ECV and microcirculation perfusion abnormalities in non-ischemic dilated cardiomyopathy Aamir Ali, Li-Yueh Hsu, Ankur Gulati, Tevfik Ismail, Claire E Raphael, Vassilis Vassiliou, Navtej Chahal, Kaushiga Krishnathansan, Natasha Davendralingam, Carla Goncalves, Ricardo Wage, Pedro Ferreira, Arun J Baksi, Peter Gatehouse, David Firmin, Dudley J Pennell, Peter Kellman, Andre...
Background Interstitial myocardial fibrosis is a histological hallmark of non-ischemic dilated cardiomyopathy (DCM), and may play an important role in adverse remodelling and progressive systolic dysfunction. T1-mapping enables noninvasive assessment of diffuse fibrosis by quantification of myocardial extracellular volume fraction (ECV). We hypothesized that CMR would identify a raised ECV in D...
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