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  • Title: Platelet function and the bleeding time in progressive renal failure.
    Author: Gordge MP, Faint RW, Rylance PB, Neild GH.
    Journal: Thromb Haemost; 1988 Aug 30; 60(1):83-7. PubMed ID: 3187950.
    Abstract:
    Bleeding time and platelet function tests were performed on 31 patients with progressive chronic renal failure (CRF) due to non-immunological (urological) causes, and compared with 22 healthy controls. Patients were classified as mild (plasma creatinine less than 300 mumol/l), moderate (300-600 mumol/l) or severe renal failure (greater than 600 mumol/l). Bleeding time was rarely prolonged in mild and moderate CRF and mean bleeding time significantly elevated only in severe CRF (p less than 0.005). Haematocrit was the only index which correlated with bleeding time (r = -0.40). Platelet counts, collagen stimulated thromboxane generation, and platelet aggregation responses to ADP, collagen and ristocetin were all either normal or increased in all three CRF groups, but thromboxane production in clotting blood was reduced. Plasma fibrinogen, C reactive protein and von Willebrand factor (vWF) were elevated in proportion to CRF. We found no evidence that defects in platelet aggregation or platelet interaction with vWF prolong the bleeding time in patients with progressive CRF.
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