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점액성 변성에 의한 승모판 일탈증의 병변 특성 : 심장초음파를 이용한 다기관 전향적 연구

Other Titles
 Lesion Characteristics of Mitral Valve Prolapse due to Myxomatous Degeneration in Korea:A Prospective Multicenter Study Using Echocardiography 
Authors
 송재관  ;  송종민  ;  김윤정  ;  강수진  ;  강덕현  ;  채성철  ;  강흥선  ;  배종화  ;  김기식  ;  심완주  ;  정진원  ;  박종춘  ;  장경식  ;  이재환  ;  성인환  ;  조은주  ;  윤호중  ;  이상철  ;  박승우  ;  하종원  ;  임세중  ;  정남식  ;  김용진  ;  손대원 
Citation
 KOREAN CIRCULATION JOURNAL, Vol.35(12) : 904-909, 2005 
Journal Title
 KOREAN CIRCULATION JOURNAL 
ISSN
 1738-5520 
Issue Date
2005
MeSH
Mitral valve prolapse;Echocardiography
Keywords
Mitral valve prolapse;Echocardiography
Abstract
Background and Objectives: We sought to characterize the lesion Characteristics of mitral valve prolapse (MVP), which is being increasingly recognized as a cause of mitral regurgitation (MR) in Koreans Subjects and Methods: 497 Patients with MVP that was diagnosed by echocardiography in 13 university-affiliated hospitals from Jan to Dec 2003 were prospectively enrolled in our study. Results: A total of 497 patients (270 males, 54%) were enrolled and their mean age was 52±17 years. Grade 4 MR was present in 272 patients (54.7%); grade 3, 2 and 1 MR as present in 30.2%, 10.7% and 4.2%, respectively. MVP of the anterior and posterior mitral leaflet was present in 170 patients (34.2%) and 223 patients (44.9%), respectively; MVP developed in both leaflets in 104 patients (20.9%). In 37 patients (7.4%), MVP developed in all 6 segments of the mitral leaflet and these patients were younger (37±14 versus 54±16 years, respectively, p<0.05) and had a lower prevalence of chordae rupture and severe MR compared to the other patients. Among the 266 mitral segments showing prolapse in the 132 patients (26.6%) who underwent transesophageal echocardiography, the posterior medial scallop was the most frequently diseased one (26%), and this was followed by the posterior middle scallop (18%), the medial (17%), lateral (14%) and middle (13%) part of the anterior leaflet, and the posterior lateral scallop (12%). Younger patients with a mean age <45 years showed a lower prevalence of single segment prolapse, hypertension, severe MR and chordae rupture compared to the older patients (p<0.001, each). Conclusion: The medial part of both mitral leaflets was the predilection site for the development of MVP in Koreans and the lesion characteristics were different according to the patients’ age.
Files in This Item:
T200501569.pdf Download
DOI
OAK-2005-06581
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Rim, Se Joong(임세중) ORCID logo https://orcid.org/0000-0002-7631-5581
Chung, Nam Sik(정남식)
Ha, Jong Won(하종원) ORCID logo https://orcid.org/0000-0002-8260-2958
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/149954
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