Rinsho kyobu geka = Japanese annals of thoracic surgery · 1990
[The relationship between preoperative status and postoperative exercise tolerance after mitral valve replacement].
Аннотация на английскомСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Sasaki A, Abe T, Urita R, Watanabe N, Okamoto T, Kazui T, Komatu S
Аннотация
Treadmill exercise test was performed for the evaluation of exercise tolerance after mitral valve replacement. The duration of maximum exercise tolerance in TR free group had no significant difference as compared with TR combined group. Preoperative RV function in TR combined group was kept relatively good as shown in cardiac index, pulmonary arterial and right atrial pressure. As hemodynamics was improved by TAP (TVR), it may not occur the difference in exercise tolerance between the groups. The duration of maximum exercise tolerance with MS group showed shorter tolerance than that of MR group. This difference in MS group might be considered due to the limitation of LV dilatation by rheumatic cardiac damage. Exercise tolerance after MVR was significantly lowered by atrial fibrillation, cardio-thoracic ratio over 60% and pulmonary vascular resistance over 3.0 Runits.m2.