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  • Title: Measurement of the peritoneal platelet activity through the effluent betathromboglobulin levels in CAPD patients.
    Author: Selgas R, Miranda B, Cuesta MV, Garcia-Muñoz S, L-Rivas A, L-Revuel-Ta K, Caparros G, Riñon C, Torre A.
    Journal: Adv Perit Dial; 1990; 6():26-30. PubMed ID: 1982820.
    Abstract:
    Platelet activity is closely related to endothelium and could release factors able to influence capillary wall and surrounding tissues. BTG is a protein included in platelet vesicles and a measure of its activation. Some alterations of peritoneum could be partially related to platelet activity. BTG peritoneal transport from blood is weight limited (36000) and consequently, high levels in effluent should represent local production. The aim of this study has been to characterize peritoneal effluent BTG.12 patients, on CAPD 27 +/- 15 mon., 5 diabetics were studied. Previous peritonitis was 0.3 +/- 0.4 e/year. Determinations performed: Plasma (P) (BTG, T. protein, albumin, platelet count, Hcto and Fibrinogen) and Effluent (EF) (BTG, T. protein, Fibrinopeptide A, FDP, Fibrinolytic act., Fibrinogen, Plasminogen and Mitogenic induced capacity on Swiss 3T3 mice fibroblasts). To evaluate peritoneal function we used mass transfer coefficients (MTC) and net UF.R.:BTG levels: P 118 +/- 14 EF 34 +/- 14 ng/ml P/EF (%) 31 +/- 13 (6-54%). Regression analysis: P BTG did not show significant relationship with any of the studied parameters. EF BTG showed direct significant correlation (p less than 0.05) with Creatinine-MTC (r: 0.81) and EF Fibrinogen (0.68) and in the limit of significance with EF T. prot (0.57) and EF Mitogenicity (0.62). P/EF BTF showed significant correlation with creatinine-MTC (0.77). The analysis of these values grouping patients showed: diabetes has no influence on BTG values, hypertensive patients show higher P/EF BTG values than normotensive (39 +/- 9 vs 23 +/- 11%, p less than 0.05) and no influences of peritonitis or CAPD period were found.(ABSTRACT TRUNCATED AT 250 WORDS)
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