Hemodilution(HD)and its effects on hemodynamics were studied in 24 patients with valvular heart disease bymeans of Swan-Ganz catheter monitoring technique and artery hematocrit(Hct)detection during operation for car-diac valve replacement.

• 采用Swan－Ganz导管监测及动脉血血球压积（Hct）检测方法对24例心脏瓣膜疾病病人在施行瓣膜置换术期间的血液稀释（HD）情况及其对血流动力学的影响进行了研究。