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  • Title: High lipoprotein (a) levels in chronic hemodialysis patients are closely related to the acute phase reaction.
    Author: Kario K, Matsuo T, Kobayashi H, Matsuo M, Asada R, Koide M.
    Journal: Thromb Haemost; 1995 Oct; 74(4):1020-4. PubMed ID: 8560404.
    Abstract:
    To study the mechanism underlying the high lipoprotein (a) [Lp(a)] level in uremic patients on chronic hemodialysis, we investigated the levels of Lp(a), acute phase reactants (C-reactive protein and sialic acid), and interleukin-6 (IL-6) in 54 dialysis patients. The mean [95% CI] Lp(a) level was increased in the hemodialysis patients compared with the 30 controls (30 [25-36] vs. 18 [14-23] mg/dl, p < 0.005). Among dialysis patients, 46% had an Lp(a) level > 30 mg/dl, which was significantly higher than the percentage in the control group (17%). The levels of C-reactive protein, sialic acid, and IL-6 were also increased in dialysis subjects compared with controls (200 [134-299] vs. 37 [24-58] micrograms/dl, p < 0.0001; 63 [59-66] vs. 54 [52-56] mg/dl, p < 0.002; and 9.2 [7.8-11] vs. 5.5 [5.0-6.1] pg/ml, p < 0.0005, respectively). The Lp(a) level was positively correlated with that of C-reactive protein (r = 0.415, p < 0.002), sialic acid (r = 0.426, p < 0.002), and IL-6 (r = 0.298, p < 0.05) in the hemodialysis patients, but not in the controls or non-dialysis uremic patients. The Lp(a) level in the dialysis patients was also positively correlated with activation markers of coagulation (thrombin-antithrombin III complex and plasmin-alpha 2-plasmin inhibitor complex, p < 0.005). These results indicate that the Lp(a) level is closely related to the acute phase reaction and hypercoagulability in chronic hemodialysis patients.
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