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Decreased left ventricular torsion in patients with isolated mitral stenosis.
MedLine Citation:
PMID:  24154884     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Left ventricular (LV) torsion is a sensitive indicator of myocardial contractility and cardiac structure, and has recently been recognized as a sensitive indicator of cardiac performance. The aim of our study was to assess the effect of isolated mitral stenosis on LV torsion.
PATIENTS AND METHODS: We enrolled 19 patients with isolated mitral stenosis and 19 age- and gender-matched healthy subjects in the study. All patients had a normal sinus rhythm. All study subjects underwent two-dimensional echocardiography. Basal and apical LV rotations and LV torsion were evaluated using speckle-tracking echocardiography.
RESULTS: Demographic characteristics, basic echocardiographic measures of LV ejection fraction, LV wall thickness, and LV mass index were similar between the two groups. The degrees of LV torsion (11.3 ± 4.7, 15.4 ± 4.9°, p=0.014) and LV basal rotation (- 3.7 ± 1.9, - 6.5 ± 2.1°, p< 0.001) were significantly decreased in the mitral stenosis group. There was a moderate positive correlation between mitral valve area and LV torsion (r=0.531, p=0.019).
CONCLUSION: We showed significant reductions in LV torsion and LV basal rotation in patients with mitral valve stenosis. Structural and anatomical changes occurring during the progression of mitral stenosis may be responsible for these impaired movements.
Authors:
B Kirilmaz; F Asgun; S Saygi; E Ercan
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-10-25
Journal Detail:
Title:  Herz     Volume:  -     ISSN:  1615-6692     ISO Abbreviation:  Herz     Publication Date:  2013 Oct 
Date Detail:
Created Date:  2013-10-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7801231     Medline TA:  Herz     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Cardiology, Canakkale Onsekiz Mart University, 17100, Kepez, Canakkale, Turkey, bahkard@yahoo.com.
Vernacular Title:
Verminderte linksventrikuläre Torsion bei Patienten mit isolierter Mitralstenose.
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