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폐동맥 고혈압과 우심실 부전이 동반된 만성 승모판막 질환 환자에서 승모판막 대치술이 수술 직후 우심실 기능에 미치는 영향

Authors
 강상화 ; 곽영란 ; 홍용우 ; 박준희 ; 남상범 ; 오영준 ; 심연희 
Citation
 Korean Journal of Anesthesiology (대한마취과학회지), Vol.40(1) : 16~21, 2001 
Journal Title
 Korean Journal of Anesthesiology (대한마취과학회지) 
ISSN
 0302-5780 
Issue Date
2001
Abstract
Background: In patients with mitral valvular disease with pulmonary hypertension (PHT) accompanying right ventricular (RV) dysfunction, mitral valve replacement (MVR) improves RV function and other hemodynamic variables in long term follow-up. However, there are controversies in improvement of RV function in the immediate postoperative period. We compared the RV function immediately after a MVR with a pulmonary artery catheter (PAC) between patients with normal and decreased RV function with PHT preoperatively. Methods: Twenty nine patients undergoing a MVR were included in the study. The patients (n = 14) with mean pulmonary arterial pressure (PAP) ≤ 25 mmHg were assigned to group I and the patients (n = 15) with mean PAP ⁡ 25 mmHg were assigned to group II. A PAC with rapid response-thermistors which enables us to determine right ventricular ejection fraction (RVEF) was inserted in all patients and hemodynamic variables were measured before and after cardiopulmonary bypass (CPB). Results: After CPB, PAP, pulmonary vascular resistance index (PVRI), and RV end-diastolc volume (RVEDV) were significantly decreased and RVEF was significantly increased in group II compared with group I in which no hemodynamic variables were changed. Conclusions: A MVR decreased RV afterload and increased RV function more significantly in patients with preoperative PHT accompanying RV dysfunction than in patients with normal PAP preoperatively.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/142373
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Anesthesiology and Pain Medicine
Yonsei Authors
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