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  • Title: Changes in peritoneal coagulation and fibrinolysis after discontinuation of chronic peritoneal dialysis.
    Author: Homma S, Masunaga Y, Kurosu M, Inoue M, Sakurai T, Asano Y.
    Journal: Perit Dial Int; 2002; 22(2):178-83. PubMed ID: 11990401.
    Abstract:
    OBJECTIVES: To study changes in peritoneal function after transfer from chronic peritoneal dialysis (CPD) to hemodialysis (HD), especially the effects on peritoneal coagulation, fibrinolytic markers, and mesothelium. DESIGN: Prospective observational study. SETTING: A tertiary-care university hospital. PATIENTS: Nine patients who transferred from CPD to HD were enrolled in the study after giving fully informed consent. METHODS: After transfer to HD, the peritoneal cavity was lavaged with low glucose PD solution once per day through PD catheters left in place. Thrombin-antithrombin III complex (TAT) was measured serially as a marker of peritoneal coagulation. As fibrinolytic markers, fibrinogen/fibrin degradation products (FDP) and plasmin-alpha2-antiplasmin complex (PIC) were assessed. Cancer antigen 125 (CA125) was measured as a marker of mesothelial cell mass. RESULTS: Levels of peritoneal TAT and FDP were much higher than plasma levels, indicating high local fibrin turnover. Transfer to HD induced a significant fall in mean peritoneal TAT, from 115.8 +/- 52.1 to 60.7 +/- 21.8 ng/mL, p < 0.05. Except for 1 patient with a 20-fold increase, mean peritoneal FDP decreased significantly, from 43.6 +/- 11.1 to 19.6 +/- 3.5 microg/mL, p < 0.05. Mean peritoneal PIC increased significantly, from 1.9 +/- 0.4 to 3.9 +/- 0.6 microg/mL, p < 0.05. Peritoneal CA125 increased from 156.4 +/- 57.3 to 1426.2 +/- 389.4 U/mL, p < 0.05. CONCLUSIONS: Peritoneal fibrin turnover was accelerated on CPD and stabilized after transfer to HD. Transfer to HD also induced mesothelial regeneration.
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