Journal of Chest Surgery

The Korean Society for Thoracic and Cardiovascular Surgery (대한심장혈관흉부외과학회)
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Correlation Between Left Ventricular Peak Systolic Pressure/End-Systolic Volume Ratio and Symptomatic Improvement with Valve Replacement in Patients with Aortic Regurgitation and Enlarged End-Systolic Volume

대동맥판역류증과 좌심실수축말기용적 확장이 있는 환자에서 좌심실최고수축기압/수축말기용적비와 판막치환후의 증상적 호전과의 관계

  • Kim, Woong-Han (Department of Thoracic and Cardiovascular Surgery, Sejong General Hospital) ;
  • Ahn, Hyuk (Department of Thoracic and Cardiovascular Surgery, Seoul National University College of Medicine)
  • 김웅한 (부천 세종병원 흉부외과) ;
  • 안혁 (서울대학교 의과대학 흉부외과학교실)
  • Published : 1996.08.01
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Abstract

This study was designed to assess the left ventricular peak systolic pressure/end-systolic volume (PSP/ESV) ratio in predicting symptomatic improvement with valve replacement in patients with aortic regurgitation and enlarged left von'lrlcular volume. We studied 21 patients (15 men and 6 women aged 15 to 60 years) with moderate or severe aortic regur- gitation, no other cardiovascular abnormalities and left ventricular end-systolic volume over 60 m11m2. In this group we assessed the preoperative variables which routinely were measured at cardiac catheterlzation to predict symptomatic improvement with valve replacement. Six months after operation, symptoms were alleviated in 13 patients(62%), and unchanged in 8()8%). By multivariate analysis, the PSP/ESV rati was a strong predictor for functional class 6 months after surgery(p=0.005) and also for change- in functional class prior to an operation to 6 months postoperatively(p=0.0)2). By 6 months after receiving valve replacement, all patients with a ratio over 1. 71 mmHglml/m'were in functional class I or II , in contrast, of those with a ratio < 1.71 mmHg/ml/m2, 40% were in functional class III. The PSP/ESV ratio may help to predict which patients with aortic regurgitation and enlarged left ven- tricular end-systolic volume will have symptomatic improvement with valve replacement.

이 연구는 대동맥판역류증이 있으면서 좌심실수축말기용적(left ventricular end-systolic volullle)이 커져있는 환자에서 수술전 좌심실 최고수축기압수축말기용적비(left ventricular peak systolic presslle/end-systolic volume ratio)를 판막치환후의 증상적 호전 판단의 자료로서의 적용 여부를 검토하기위한 것이 다 대상은 중정도 이상의 대돈맥판역류증이 있고다른 심혈관계의 이상이 없으면서 좌심실수축말기용적이 60mm2 넘는 21명(남 15, 여 6, 15까에서 60세가지 연령 분포)이었다. 이들을 대상으로 심도자시 통 상적으로 측정하는 여러 변수와 판막치환후 증상적 호전과의 관계에 대해서 분석하였다. 수술 6개월후 증세의 호전이 13명(62%)의 환자에서 있었고, 8명(38%)에서는 증세의 변화가 없었다. 복합변수분석을 통해서 좌심실최고수축기압$\boxUl$수축말기 용적 비는 통계적으로 유의하게 수술 a개월후의 기능적분류상태(p=0.005)와 수술전에 비해 수술 6개월후 기능적분류상태의 변화 정도(p=0.032)를 판단 하는 지표임을 나타냈었다. 판막치환 6개월후 비가 1.71 mmHg/ml/m2 이상되는 모든 환자는 기능상태 I 혹은 II를 유지한 반면 비가 1.71 mmHg ml/m2 미만인 환자에서는 40%가 기능적분류상태 III이 있다. 좌심실 수축말기 용적이 60 ml/m2 이상 커져 있는 대동맥 판역류증 환자에서 좌심실최고수축기 압1수축 말기용적비는 판막치환후의 증상적 호전을 예측하는 지표로 사용될 수 있다.

Keywords

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