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  • Title: The use of vinca alkaloids in preparation for splenectomy of corticosteroid refractory chronic immune thrombocytopenic purpura patients.
    Author: Szczepanik AB, Sikorska A, Slomkowski M, Konopka L.
    Journal: Int J Lab Hematol; 2007 Oct; 29(5):347-51. PubMed ID: 17824915.
    Abstract:
    Administration of vinca alkaloids (VA) to chronic corticosteroid refractory immune thrombocytopenia (ITP) patients results in a temporary increase of platelet count. The aim of the study was to evaluate the efficacy of vinca alkaloids in preparing adult corticosteroid refractory chronic ITP patients for splenectomy as well as to compare the costs of this method with costs of applying intravenous immunoglobulins. The study included 12 chronic ITP patients refractory to corticosteroids applied for 3-144 months. The patients were prepared for splenectomy with average 3.0 (from 1 to 4) 2-h intravenous infusions of vinca alkaloids at 7 day intervals. In eight patients, vincristin was used in a total dose of 6 mg (2 mg per infusion), in two patients, vinblastin was used in total dose of 30 mg (10 mg per infusion), and in two patients, vincristin and vinblastin infusions were administered alternatively. In nine of the 12 treated patients (75%) the platelet count increased to > or = 80 x 10(9)/l, which allowed safe splenectomy. Three patients unreactive to VA treatment were prepared for splenectomy with intravenous gammaglobulin infusions. Splenectomy was performed in 12 patients, in eight with laparoscopic method, in four with classic method. No complications during surgical intervention were observed. In none of the VA treated patients was myelosupression or liver or/and kidney dysfunction observed. Splenectomy resulted in normalization of platelet count in all patients after operation and in six of nine patients followed up for 10 months (on the average). Matching of VA costs with treatment efficacy and comparison with similar costs for intravenous immunoglobulin treatment revealed many fold lower costs of the former method.
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