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The study of mitral valve annular dimension in relation to the body surface area in the Indian population.
MedLine Citation:
PMID:  20943411     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Objective: We compare the mitral valve annular dimension in relation to the body surface area of the Indian population as against the standard values. Methods: The study was conducted between September 2004 and February 2006 on 406 subjects, out of which 252 were males and 154 were females. A spatially oriented B-mode scan echocardiogram was used, with the long-axis plane running parallel to the heart or the left ventricle, the short-axis plane being perpendicular to the long axis, and the four-chamber plane orthogonal to the other two and somewhat representing a frontal plane. Mitral valvular dimensions were recorded in early diastole. Results: The mitral valve showed a steady rise in its diameter with rise in body surface area. For body surface area ranging from 0.61 to 0.7m(2), the mitral valve diameter was 15.5mm. There was a sudden increase from 15.5mm to 18mm for body surface area ranging from 0.71 to 0.8m(2). After this sudden increase, the mitral valve diameter steadily increased by 0.2-0.6mm for every 0.1m(2) increase in body surface area. The values obtained from the Indian population were definitely lower than the lower end of standard deviation of the standard values, which are derived in relation to body surface area. Conclusions: Although the annular dimensions of the mitral valve increased correspondingly with body surface area, they still remained very low in the Indian population as compared with the standard values, which might cause patient-prosthesis mismatch during mitral-valve replacement surgeries.
Authors:
Hannah Sugirthabai Rajila Rajendran; Sudha Seshayyan; Ashok Victor; Nirmaladevi Murugesan; Indumathi Sundaramurthi
Publication Detail:
Type:  Journal Article     Date:  2010-10-12
Journal Detail:
Title:  European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery     Volume:  39     ISSN:  1873-734X     ISO Abbreviation:  Eur J Cardiothorac Surg     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-04-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804069     Medline TA:  Eur J Cardiothorac Surg     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  653-6     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 European Association for Cardio-Thoracic Surgery. Published by Elsevier B.V. All rights reserved.
Affiliation:
Stanley Medical College, Chennai, Tamil Nadu, 600001, India.
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