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测定20例慢性肾衰(CRF)患者血透前、后1h 的心功能、肺弥散功能变化,发现血透后心排血量(CO)、心脏指数(CI)、每搏心排血量(SV)及每搏指数(SI)均显著降低,肺一氧化碳弥散量(DLco)也显著降低,其中 SV、SI 对超滤反应敏感。结果表明,慢性肾衰患者血透后可因左室充盈压降低而导致心功能下降,并有肺弥散功能的损害。
The changes of cardiac function and pulmonary diffuse function in 20 patients with chronic renal failure (CRF) before and after hemodialysis were measured. The changes of cardiac output (CO), cardiac index (CI), cardiac output per stroke SV) and stroke index (SI) were significantly decreased, and the diffuse lung carbon monoxide (DLco) also significantly decreased, of which SV and SI were sensitive to ultrafiltration. The results show that patients with chronic renal failure after hemodialysis may be due to decreased left ventricular filling pressure caused by decreased cardiac function, and pulmonary function impairment.