作者对123例较大的外科手术病人分别在术前及术后24、48、72小时做了血液尿素浓度的测量。同时也测量了24小时的尿量和尿中尿素浓度。手术后第一个24小时,大多数病人血液中尿素浓度升高达30mg%,在手术后48小时恢复到手术前的水平。病人在手术后急性尿素浓度升高,继而下降。其中有7例病人,手术后24小时血尿素浓度升高达45mg%以上,这7例病人全部发展为急性肾功能衰竭。可见 The author of 123 cases of larger surgical patients were preoperative and postoperative 24,48,72 hours to do a measurement of blood urea concentration. Also measured 24-hour urine output and urine urea concentration. In the first 24 hours after surgery, the urea concentration in the blood of most patients increased by up to 30 mg% and returned to pre-operative levels 48 hours after surgery. After the operation of patients with acute urea concentration increased, then decreased. Of these, 7 patients had elevated blood urea levels above 45 mg% 24 hours after surgery, all of which developed acute renal failure. visible