- 期刊
- OpenAccess
High Serum Adipocyte Fatty Acid-Binding Protein Is Associated With Peripheral Artery Disease in Peritoneal Dialysis Patients
摘要
BACKGROUND: Peripheral arterial disease (PAD) is a vascular disorder wherein peripheral ischemia is caused by arterial obstruction and results in increased events of cardiovascular disease (CVD). Peritoneal dialysis (PD) is an independent predictor of subclinical PAD and the subsequent mortality in patients with end-stage renal disease. Adipocyte fatty acid-binding protein (A-FABP) is a potential biomarker for CVD risk, especially in patients with overt atherosclerosis. This study was conducted to determine the relationship between PAD and fasting serum levels of A-FABP in patients undergoing PD. METHODS: Fasting blood samples were obtained from 66 PD patients. A-FABP levels were measured using a commercially available enzyme immunoassay kit. Ankle-brachial index (ABI) values were measured using the automated oscillometric method. Serum left or right ABI values of ＜ 0.9 were included in the low ABI group. RESULTS: There were 14 patients (21.2%) in the low ABI group. Compared with patients in the control group, those in the low ABI group had a higher prevalence of diabetes (P = 0.045) and higher serum C-reactive protein (P ＜ 0.001) and A-FABP (P ＜ 0.001) levels but lower weekly Kt/V (P = 0.014) and lower normalized protein equivalent of nitrogen appearance (P = 0.034) values. Multivariate logistic regression analysis of the factors that were significantly associated with PAD revealed that A-FABP (odds ratio, 1.038; 95% confidence interval [CI], 1.004-1.074; P = 0.030) was an independent predictor of PAD in PD patients. The area under the curve plotted to estimate the optimal level of A-FABP predicting PAD in PD patients by the receiver operating characteristic curve analysis was 0.757 (95% CI, 0.636-0.854; P = 0.0004). CONCLUSION: This study demonstrated that a higher serum A-FABP level is an independent predictor of PAD in patients undergoing PD.
延伸閱讀
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