Document Detail


Mild systolic dysfunction in heart failure (left ventricular ejection fraction >35%): baseline characteristics, prognosis and response to therapy in the Vasodilator in Heart Failure Trials (V-HeFT)
MedLine Citation:
PMID:  8606276     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVES: This analysis sought to evaluate the clinical characteristics and outcome in heart failure with mild systolic dysfunction. BACKGROUND: Although heart failure with mild systolic dysfunction occurs commonly, this is an understudied area because clinical trials have usually excluded patients with ejection fraction >35%. METHODS: The 422 patients with left ventricular ejection fraction </=35% were compared with 172 with a left ventricular ejection fraction >35% in the Vasodilator in Heart Failure Trial (V-HeFT I), whereas in V-HeFT-II 554 patients with a left ventricular ejection fraction </=35% were compared with 218 patients with a left ventricular ejection fraction >35% for mortality and clinical care. For a left ventricular ejection fraction >35%, treatment with hydralazine/isosorbide dinitrate was compared with prazosin and placebo therapy in V-HeFT I, and hydralazine/isosorbide dinitrate was compared with enalapril in V-HeFT II for mortality, clinical course and change in physiologic variables: ejection fraction, plasma norepinephrine levels, ventricular tachycardia and echocardiographic variables. RESULTS: In both studies, patients with a left ventricular ejection fraction >35% differed principally in hypertensive history, higher functional capacity and radiographic and echocardiographic cardiac dimension from patients with a left ventricular ejection fraction </=35%, and plasma norepinephrine levels differed in V-HeFT II (p < 0.01). Patients with a left ventricular ejection fraction >35% had a lower cumulative mortality than those with a left ventricular ejection fraction </=35% (p < 0.0001) and less frequent hospital admissions for heart failure (p < 0.014, V-HeFT I; p < 0.005, V-HeFT II). Although cumulative mortality and morbidity did not differ between treatment groups in V-HeFT I, enalapril decreased overall mortality versus hydralazine/isosorbide dinitrate (p < 0.035) in V-HeFT II. For physiologic variables in V-HeFT II, enalapril decreased ventricular tachycardia at follow-up (p < 0.05). CONCLUSIONS: In V-HeFT, heart failure with mild systolic dysfunction was associated with different characteristics and a more favorable prognosis than heart failure with more severe systolic dysfunction. Enalapril decreased overall mortality and sudden death compared with hydralazine/isosorbide dinitrate. Prospective trials are needed to address therapy for heart failure with mild systolic dysfunction.
Authors:
P Carson; G Johnson; R Fletcher; J Cohn
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of the American College of Cardiology     Volume:  27     ISSN:  0735-1097     ISO Abbreviation:  J. Am. Coll. Cardiol.     Publication Date:  1996 Mar 
Date Detail:
Created Date:  1996-05-22     Completed Date:  1996-05-22     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  8301365     Medline TA:  J Am Coll Cardiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  642-9     Citation Subset:  AIM; IM    
Affiliation:
Department of Cardiology, Veterans Affairs Medical Center, Washington, D.C. 20422, USA.
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MeSH Terms
Descriptor/Qualifier:
Aged
Antihypertensive Agents / therapeutic use
Double-Blind Method
Drug Therapy, Combination
Follow-Up Studies
Heart Failure / complications*,  drug therapy*,  mortality
Humans
Hydralazine / therapeutic use
Isosorbide Dinitrate / therapeutic use
Middle Aged
Prognosis
Stroke Volume
Systole
Treatment Outcome
Vasodilator Agents / therapeutic use*
Ventricular Dysfunction, Left / etiology*
Chemical
Reg. No./Substance:
0/Antihypertensive Agents; 0/Vasodilator Agents; 86-54-4/Hydralazine; 87-33-2/Isosorbide Dinitrate
Comments/Corrections
Erratum In:
J Am Coll Cardiol 1996 May;27(6):1554

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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