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  • Title: The response to splenectomy in pediatric patients with idiopathic thrombocytopenic purpura who fail high-dose intravenous immune globulin.
    Author: Hemmila MR, Foley DS, Castle VP, Hirschl RB.
    Journal: J Pediatr Surg; 2000 Jun; 35(6):967-71; discussion 971-2. PubMed ID: 10873046.
    Abstract:
    BACKGROUND: A recent article by Law et al concluded that patients with idiopathic thrombocytopenic purpura (ITP) who have a poor response to intravenous immune globulin (IgG) are unlikely to have a good or excellent response to surgical splenectomy. METHODS: The authors studied retrospectively 23 pediatric patients age 11.7 +/- 1.0 years with ITP who had been treated with IgG before undergoing splenectomy. As in the aforementioned article, the responses to the 2 treatments were classified on the basis of the platelet count as poor (<50,000/mm3), good (50,000 to 150,000/mm3), or excellent (>150,000/mm3). For patients who received multiple IgG treatments, both initial and final treatment responses were analyzed. RESULTS: Sixteen patients had an excellent or good initial response to IgG. Of these 16 patients, 14 had an excellent or good response to splenectomy. Among the 7 patients who had a poor response to IgG there were 3 who had an excellent or good response to splenectomy (43%), and 4 patients who had a poor response to splenectomy. A good or excellent response to initial treatment with IgG was associated with a significant probability of a good or excellent response to splenectomy (P = .045). CONCLUSIONS: A good or excellent response to IgG may be predictive of a favorable response to splenectomy. However, a poor response to IgG does not preclude a satisfactory response to splenectomy in pediatric patients with ITP.
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