Document Detail


Effect of carvedilol on diastolic function in patients with diastolic heart failure and preserved systolic function. Results of the Swedish Doppler-echocardiographic study (SWEDIC).
MedLine Citation:
PMID:  15182771     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
AIM: The purpose of this study was to investigate the effects of carvedilol on diastolic function (DF) in heart failure patients with preserved left ventricular (LV) systolic function and abnormal DF.
PATIENTS AND METHODS: We randomised 113 patients with diastolic heart failure (DHF) (symptomatic, with normal systolic LV function and abnormal DF) into a double blind multi-centre study. The patients received either carvedilol or matching placebo in addition to conventional treatment. After uptitration, treatment was continued for 6 months. Two-dimensional and Doppler echocardiography were used for quantification of LV function at baseline and at follow-up. Four different DF variables were evaluated by Doppler echocardiography: mitral flow E:A ratio, deceleration time (DT), isovolumic relaxation time (IVRT) and the ratio of systolic/diastolic pulmonary venous flow velocity (pv-S/D). Primary endpoint was change in the integrated quantitative assessment of all four variables during the study.
RESULTS: Ninety-seven patients completed the study. A mitral flow pattern reflecting a relaxation abnormality was recorded in 95 patients. There was no effect on the primary endpoint, although a trend towards a better effect in carvedilol treated patients was noticed in patients with heart rates above 71 beats per minute. At the end of the study, there was a statistically significant improvement in E:A ratio in patients treated with carvedilol (0.72 to 0.83) vs. placebo (0.71 to 0.76), P<0.05.
CONCLUSIONS: Treatment with carvedilol resulted in a significant improvement in E:A ratio in patients with heart failure due to a LV relaxation abnormality. E:A ratio was found to be the most useful variable to identify diastolic dysfunction in this patient population. This effect was observed particularly in patients with higher heart rates at baseline.
Authors:
A Bergström; B Andersson; M Edner; E Nylander; H Persson; U Dahlström
Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  European journal of heart failure     Volume:  6     ISSN:  1388-9842     ISO Abbreviation:  Eur. J. Heart Fail.     Publication Date:  2004 Jun 
Date Detail:
Created Date:  2004-06-08     Completed Date:  2004-11-08     Revised Date:  2011-06-08    
Medline Journal Info:
Nlm Unique ID:  100887595     Medline TA:  Eur J Heart Fail     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  453-61     Citation Subset:  IM    
Affiliation:
Department of Cardiology and Physiology, University Hospital Linköping, SE-58185 Linköping, Sweden.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Adrenergic beta-Antagonists / adverse effects,  therapeutic use*
Aged
Aged, 80 and over
Blood Flow Velocity / drug effects
Blood Pressure / drug effects
Carbazoles / adverse effects,  therapeutic use*
Diastole / drug effects
Double-Blind Method
Echocardiography, Doppler*
Female
Follow-Up Studies
Heart Failure / drug therapy*,  physiopathology*,  ultrasonography
Heart Rate / drug effects
Heart Ventricles / physiopathology,  ultrasonography
Humans
Male
Middle Aged
Propanolamines / adverse effects,  therapeutic use*
Prospective Studies
Pulmonary Veins / physiopathology,  ultrasonography
Stroke Volume / drug effects
Sweden / epidemiology
Systole / drug effects
Treatment Outcome
Ventricular Dysfunction, Left / drug therapy*,  physiopathology*,  ultrasonography
Ventricular Remodeling / drug effects
Chemical
Reg. No./Substance:
0/Adrenergic beta-Antagonists; 0/Carbazoles; 0/Propanolamines; 72956-09-3/carvedilol

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


Previous Document:  Echocardiographic indices of left ventricular diastolic dysfunction in 647 individuals with preserve...
Next Document:  Beneficial effects of carvedilol on angiotensin-converting enzyme activity and renin plasma levels i...