Clinical implications and outcome prediction in chronic hemodialysis patients with lower serum potassium x uric acid product

doi:10.1016/j.ejim.2015.06.016

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標題:	Clinical implications and outcome prediction in chronic hemodialysis patients with lower serum potassium x uric acid product
作者:	Jiang, Ming-Yan Hwang, Jyh-Chang Lu, Yi-Hua Wang, Charn-Ting
貢獻者:	醫務管理系
關鍵字:	Hypokalemia Hyperuricemia eEd-stage renal disease Malnutrition Inflammation Chronic kidney disease
日期:	2015-10
上傳時間:	2016-04-19 19:04:19 (UTC+8)
出版者:	Elsevier Science Bv
摘要:	Background: The aims of this study were to evaluate correlations between serum potassium (S[K]) and uric acid (S[UA]) in hemodialysis patients and to determine whether lower levels of both S[K] and S[UA] were associated with poor long-term prognoses in these patients. Methods: A cohort of 424 maintenance hemodialysis patients (58 +/- 13 years of age; 47% male; 39% with diabetes) from a single center were divided into tertiles based on the product of S[K] x S[UA] (K x UA): Group 1: low K x UA: n = 141; Group 2: median K x UA: n = 141; and Group 3: high K x UA: n = 142. The longest observation period was 60 months. Results: S[K] showed a positive linear correlation with S[UA] (r = 033; p <0.001). In multivariate logistic regression analysis, Group 1 was characterized by hypoalbuminemia (odds ratio [OR] = 020,95% confidence interval (CI) = 0.11-0.35) and lower levels of normalized protein catabolism [nPCR] (OR = 0.10, 95%CI = 0.05-0.22) and phosphate levels (OR = 0.41, 95%CI = 0.33-0.51). In contrast, Group 3 was associated with higher nPCR (OR = 6.07, 95%CI = 2.93-12.50) and albumin levels (OR = 2.12, 95% CI = 2.12-7.00). Compared to the reference (Group 1), the hazard ratio (HR) for long-term mortality was significantly lower in Groups 2 (HR = 0.65, 95%CI = 0.43-0.99) and 3 (HR = 0.56, 95%CI = 0.36-0.89). In multivariate Cox proportional analysis, the risk of mortality decreased by 2% (HR = 0.98; 95%CI = 0.96-0.99) per 1 unit increase in K x UA product. Conclusion: Hemodialysis patients with lower S[K] and [UA] levels were characterized by hypoalbuminemia and lower nPCR, and they were associated with a long-term mortality risk.
關聯:	European Journal of Internal Medicine, v.26 n.8, pp.646-651
显示于类别:	[醫務管理系(所)] 期刊論文

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