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Antiplatelet Antibodies in Childhood Idiopathic Thrombocytopenic Purpura
Nasser Movassaghi, MD;
Jacquelyn Moorhead;
Sanford Leikin, MD
Am J Dis Child. 1979;133(3):257-259.
Abstract
• The serotonin release test using platelets from a panel of donors and autologous platelets after recovery was used to detect platelet antibodies in 42 children with idiopathic thrombocytopenic purpura. The test was done with sera obtained in the thrombocytopenic phase, in partial recovery, and after recovery. The test results for sera from 23 (55%) of 42 patients with thrombocytopenia were positive against platelets from the donors; 14 (61%) of 23 were positive against autologous platelets; and 28 (88%) of 32 were positive against either donor or autologous platelets. Complete recovery occurred in 17 (52%) of 33 patients whose sera had positive tests against the donor platelets at the time of diagnosis. Postrecovery sera from all patients had negative tests against donor platelets, and two (12%) had positive tests against autologous platelets. These results indicate that childhood idiopathic thrombocytopenic purpura is an autoimmune disease caused by platelet antibody that usually disappears with recovery from the thrombocytopenia.
(Am J Dis Child 133:257-259, 1979)
Author Affiliations
From the Research Foundation of the Children's Hospital National Medical Center and the Department of Child Health and Development of the George Washington University School of Medicine, Washington, DC.
Footnotes
Reprint requests to Children's Hospital National Medical Center, 111 Michigan Ave NW, Washington, DC 20010 (Dr Leikin).
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