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Echocardiographic Serial Changes of Hypertensive Cardiomyopathy With Severely Reduced Ejection Fraction: Comparison With Idiopathic Dilated Cardiomyopathy.
MedLine Citation:
PMID:  22707118     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Hypertensive cardiomyopathy with reduced ejection fraction (HTCMREF) is known as an important cause of reversible cardiomyopathy, but its serial changes on echocardiography is yet to be elucidated. HYPOTHESIS: HTCMREF on serial echocardiography has distinctive points as compared to idiopathic dilated cardiomyopathy (idDCM). METHODS: We retrospectively studied 18 hypertensive patients (mean age, 63 ± 13 years, 56% women) admitted with severe left ventricular (LV) systolic dysfunction and heart failure. We compared clinical characteristics and echocardiographic parameters at admission and follow-up between the patients with HTCMREF and 18 age-matched patients with idDCM. Left ventricular mass (LVM) and left atrial volume (LAV) were calculated by a formula using echocardiographic measurement. RESULTS: In HTCMREF, left ventricular ejection fraction improved to 52.3 ± 8.8% during a mean follow-up of 574 days. In HTCMREF, initial left atrial diameter was greater than in idDCM (43.6 ± 5.8 mm vs 38.9 ± 6.3, p = 0.027). At follow-up, LAV index decreased in HTCMREF (from 31.9 ± 8.3 mL/m(2) to 21.0 ± 8.9, P < 0.001), as opposed to a significant increase in idDCM (from 28.5 ± 10.9 mL/m(2) to 31.9 ± 8.3, P < 0.001). There was no significant difference in initial LVM index between the 2 groups, but only in HTCMREF did LVM index decrease significantly (151.4 ± 42.1 g/m(2) from 192.2 ± 43.7, P < 0.01) at follow-up. In HTCMREF, LV wall on M-mode was thicker than in idDCM. CONCLUSIONS: Hypertensive cardiomyopathy with severe LV systolic dysfunction might be characterized by eccentric left ventricular hypertrophy and enlarged left atrium in comparison with idDCM. Clin. Cardiol. 2012 doi: 10.1002/clc.22012 The authors have no funding, financial relationships, or conflicts of interest to disclose.
Authors:
Dae-Gyun Park; Sung-Eun Kim; Jun-Hee Lee; Kyoo-Rok Han; Dong-Jin Oh
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-15
Journal Detail:
Title:  Clinical cardiology     Volume:  -     ISSN:  1932-8737     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7903272     Medline TA:  Clin Cardiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 Wiley Periodicals, Inc.
Affiliation:
Department of Internal Medicine, Kangdong Sacred Heart Hospital, Hallym University, Seoul, South Korea. dgpark@hallym.or.kr.
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