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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 
 송재관  ;  송종민  ;  김윤정  ;  강수진  ;  강덕현  ;  채성철  ;  강흥선  ;  배종화  ;  김기식  ;  심완주  ;  정진원  ;  박종춘  ;  장경식  ;  이재환  ;  성인환  ;  조은주  ;  윤호중  ;  이상철  ;  박승우  ;  하종원  ;  임세중  ;  정남식  ;  김용진  ;  손대원 
 KOREAN CIRCULATION JOURNAL, Vol.35(12) : 904-909, 2005 
Journal Title
Issue Date
Mitral valve prolapse;Echocardiography
Mitral valve prolapse;Echocardiography
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.
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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
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