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  • Title: Fibrinogen, coagulation factor VII, tissue plasminogen activator, plasminogen activator inhibitor-1, and lipid as cardiovascular risk factors in chronic hemodialysis and continuous ambulatory peritoneal dialysis patients.
    Author: Tomura S, Nakamura Y, Doi M, Ando R, Ida T, Chida Y, Ootsuka S, Shinoda T, Yanagi H, Tsuchiya S, Marumo F.
    Journal: Am J Kidney Dis; 1996 Jun; 27(6):848-54. PubMed ID: 8651250.
    Abstract:
    Mortality rates associated with cardiovascular disease (CVD) are high in long-term dialysis patients. Increased levels of plasma fibrinogen (FBG), coagulation factor VII (FVII), tissue plasminogen activator (t-PA), and plasminogen activator inhibitor-1 (PAI-1) as well as hyperlipidemia are regarded as important risk factors for CVD. To investigate whether there are differences in the risk of CVD between chronic hemodialysis (HD) and continuous ambulatory peritoneal dialysis (CAPD) patients, serum lipid levels and plasma FBG, FVII, t-PA, and PAI-1 levels were measured in 17 patients on HD and 17 patients on CAPD. FBG was measured by the thrombin time method, FVII activity (FVIIc) by the chromogenic prothrombin time method, and t-PA and PAI-1 activity by the chromogenic substrate assay. No difference was found in body mass index (BMI) between HD and CAPD patients. Total cholesterol (TC), TC/high-density lipoprotein (HDL)-C ratio, low-density lipoprotein (LDL)-C, and triglycerides (TG) were significantly increased, and HDL-C was significantly decreased in CAPD patients compared with HD patients. FBG and FVIIc were significantly elevated in CAPD patients compared with controls or HD patients. T-PA activities were significantly higher in HD and CAPD patients than in controls. CAPD patients showed significantly higher PAI-1 activities than controls or HD patients. Significant positive correlations were found between FBG or FVIIc and TC, between FBG and LDL-C or TG, and between FVIIc and LDL-C in these patients. T-PA showed significant negative correlations with FBG, PAI-1, TC, LDL-C, and TG. There was a significant positive correlation between PAI-1 and TG and a significant negative correlation between PAI-1 and HDL-C. We conclude that CAPD patients may have a greater risk of CVD than do HD patients, and that coagulation and fibrinolytic activity are correlated with lipid disorders in these patients.
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