Impact of the initial levels of laboratory variables on survival in chronic dialysis patients

被引:109
作者
Iseki, K
Uehara, H
Nishime, K
Tokuyama, K
Yoshihara, K
Kinjo, K
Shiohira, Y
Fukiyama, K
机构
[1] Third Dept. of Internal Medicine, University of the Ryukyus, Okinawa 903-01
关键词
dialysis patient; survival; laboratory tests; serum albumin;
D O I
10.1016/S0272-6386(96)90465-5
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Besides the age at start of dialysis and the presence of diabetes mellitus, serum albumin has been shown to be a significant predictor of survival in prevalent dialysis patients. However, this was not evaluated in incipient dialysis patients. The initial biochemical variables were retrieved for a large dialysis population (N = 1,982) who were started on chronic dialysis in Okinawa, Japan from 1971 to 1990. Biochemical data that included blood urea nitrogen, serum creatinine, serum electrolytes (sodium, potassium, calcium, and phosphate), total cholesterol, triglyceride, total protein, serum albumin, and hematocrit obtained just before the first dialysis session were available for 1,491 (75.2%) patients. Six hundred sixty-four (43.2%) patients died by the end of 1993. Cox propertional analysis adjusted for sex, age, year of start of dialysis, presence of diabetes mellitus, and the laboratory variables was performed to examine the significance of the initial biochemical data on survival. The risk ratio was 0.577 (P = 0.0025) in serum albumin, 1.291 (P = 0.0138) in serum potassium, and 0.966 (P = 0.0202) in serum sodium. The study results support the notion that nutritional status is important for survival in chronic dialysis patients. Causes of hypoalbuminemia, hyperkalemia, and hyponatremia should be evaluated carefully at initiation of dialysis. (C) 1996 by the National Kidney Foundation, Inc.
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页码:541 / 548
页数:8
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