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Titolo:
TACHYCARDIA-INDUCED CARDIOMYOPATHY - A REVIEW OF ANIMAL-MODELS AND CLINICAL-STUDIES
Autore:
SHINBANE JS; WOOD MA; JENSEN DN; ELLENBOGEN KA; FITZPATRICK AP; SCHEINMAN MM;
Indirizzi:
UNIV CALIF SAN FRANCISCO,SECT ELECTROPHYSIOL,DEPT MED,500 PARNASSUS AVE SAN FRANCISCO CA 94143 VIRGINIA COMMONWEALTH UNIV,MED COLL VIRGINIA,DEPT MED RICHMOND VA 23298 MCGUIRE DEPT VET AFFAIRS MED CTR RICHMOND VA 00000 MEDTRONIC INC MINNEAPOLIS MN 00000 ROYAL INFIRM,MANCHESTER HEART CTR MANCHESTER LANCS ENGLAND
Titolo Testata:
Journal of the American College of Cardiology
fascicolo: 4, volume: 29, anno: 1997,
pagine: 709 - 715
SICI:
0735-1097(1997)29:4<709:TC-ARO>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
CONGESTIVE-HEART-FAILURE; LEFT-VENTRICULAR DYSFUNCTION; CHRONIC ATRIAL-FIBRILLATION; CHRONIC SUPRAVENTRICULAR TACHYCARDIA; IDIOPATHIC DILATED CARDIOMYOPATHY; MYOCARDIAL BLOOD-FLOW; CONSCIOUS DOGS; ATRIOVENTRICULAR JUNCTION; CATHETER ABLATION; RADIOFREQUENCY ABLATION;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
91
Recensione:
Indirizzi per estratti:
Citazione:
J.S. Shinbane et al., "TACHYCARDIA-INDUCED CARDIOMYOPATHY - A REVIEW OF ANIMAL-MODELS AND CLINICAL-STUDIES", Journal of the American College of Cardiology, 29(4), 1997, pp. 709-715

Abstract

The increasing prevalence of congestive heart failure has focused importance on the search for potentially reversible etiologies of cardiomyopathy, The concept that incessant or chronic tachycardias can lead to ventricular dysfunction that is reversible is supported by both animal models of chronic rapid pacing as well as human studies documentingimprovement in ventricular function with tachycardia rate or rhythm control, Sustained rapid pacing in experimental animal models can produce severe biventricular systolic dysfunction, Hemodynamic changes occur as soon as 24 h after rapid pacing, with continued deterioration in ventricular function for up to 3 to 5 weeks, resulting in end-stage heart failure, The recovery from pacing-induced cardiomyopathy demonstrates that the myopathic process associated with rapid heart rates is largely reversible, Within 48 h after termination of pacing, hemodynamicvariables approach control levels, and left ventricular ejection fraction shows significant recovery with subsequent normalization after 1 to 2 weeks, In humans, descriptions of reversal of cardiomyopathy withrate or rhythm control of incessant or chronic tachycardias have beenreported with atrial tachycardias, accessory pathway reciprocating tachycardias, atrioventricular (AV) node reentry and atrial fibrillation(AF) with rapid ventricular responses, Control of AF rapid ventricular responses has been demonstrated to improve ventricular dysfunction with cardioversion to sinus rhythm, pharmacologic ventricular rate control and AV junction ablation and permanent ventricular pacing, The investigation of potential tachycardia-induced cardiomyopathy in patientswith heart failure requires further prospective confirmation in larger numbers of patients, with study of mechanisms, patient groups affected and optimal therapies. (C) 1997 by the American College of Cardiology.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/03/20 alle ore 20:07:49