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  • Title: Induction of thromboses within renal grafts by high-dose prophylactic OKT3.
    Author: Abramowicz D, Pradier O, Marchant A, Florquin S, De Pauw L, Vereerstraeten P, Kinnaert P, Vanherweghem JL, Goldman M.
    Journal: Lancet; 1992 Mar 28; 339(8796):777-8. PubMed ID: 1347805.
    Abstract:
    Among 93 consecutive kidney-transplant patients who received prophylactic OKT3 10 mg/day for 2 weeks, 9 had intragraft thromboses within 2 weeks of transplantation. The thromboses were in graft artery in 1 patient and veins in 3. The other 5 had thromboses in glomerular capillaries and thrombotic microangiopathy similar to that of haemolytic-uraemic syndrome. All attempted treatments failed, and the 9 grafts had to be removed. The finding that plasma concentrations of prothrombin fragment 1 and 2 were higher 4 h after the first OKT3 dose in OKT3 recipients than in transplant patients who received other prophylaxis (mean 5.88 [SEM 0.76] vs 2.25 [0.59] nmol/l, p less than 0.01) confirms that OKT3 has procoagulant effects in vivo.
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