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KMID : 0390620000080020182
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Journal of Cardiovascular Ultrasound
2000 Volume.8 No. 2 p.182 ~ p.190
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The Change of Cardiac Function and Morphology after Mitral Valve Repair Surgery in Mitral Valve Prolapse with Mitral Regurgitation.
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Kim Seong-Yeol
Kim Kee-Sik
Kwon Taeck-Keun
Lee Yeong-Soo
Cho Bong-Kee
Son Bong-Jun
Kang Mee-Sook
Nam Myeong-Hee
Kim Yoon-Nyun
Kim Kwon-Bae
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Abstract
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Background and obuectives: Although it is well known that mitral valve repair provides a better postoperative outcome than valve replacement for mitral valve prolapse with mitral regurgitation, there haven’t been much studied the nature of remnant regurgitation and the change of heart function and structure by remnant regurgitation after mitral valve repair surgery. We tried to research for it.
Methods and results:Retrospective analysis of echocardiographic data and medical records was done in patients who underwent repair surgery for mitral valve prolapse with significant mitral regurgitation at the Keimyung University Dong-san Medical Center from February 1996 to February 2000. Patients who underwent echocardiography before and after the surgery were selected for the analysis. Of patients who underwent mitral valve repair surgery for mitral valve prolapse with mitral regurgitation during that period, 30 patients (male 15, female 15) were included in this study. The average age of them was 44.30+/-14.30 year old. After surgery, heart chamber size was decreased significantly in all patients (e. g. LVDd 6.25+/-1.06 cm vs. 5.14+/-0.62 cm, LV mass 272.46+/-107.36 gm vs. 197.30+/-75.16 gm). Remnant mitral regurgitation after repair surgery was found in 22 patients (73.3%). Remnant mitral regurgitation above trivial flow was found in 10 patients. Such case as involving ant. leaflet was found in 5 patients (16.7%), as involving post. leaflet, in 2 patients (6.7%), as involving both leaflet, in 3 patients (10%) among 10 ones. Eccentric flow among remnant regurgitation, was observed in 2 patients who underwent repair surgery for ant. leaflet, 1 patient who underwent repair surgery for both leaflet.
Conclusion: Mitral valve repair surgery reduce the left ventricular chamber size and left ventricular mass. Postoperatively, patients who involve ant. leaflet were much remnant regurgitation above trivial flow more than others.
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KEYWORD
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Mitral valve prolapse, Mitral regurgitation, Mitral valve repair, Remnant regurgitation, Echocardiography
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