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Predictors of Chronicity in Childhood Idiopathic Thrombocytopenic Purpura / 대한소아혈액종양학회지
Korean Journal of Pediatric Hematology-Oncology ; : 55-61, 1997.
Artículo en Coreano | WPRIM | ID: wpr-15741
ABSTRACT

BACKGROUND:

Acute idiopathic thrombocytopenic purpura(ITP) in children has a low morbidity and mortality, and most of cases are self limited illness. But some of them are not responsive to treatment and finally progress to chronic disease. The purpose of this study is to evaluate the factors which influence the outcome in childhood idiopathic thrombocytopenic purpura.

METHOD:

From January 1990 to December 1995, patients with ITP who were admitted to the Pediatric department of Pusan National University Hospital were divided into acute and chronic form depending on whether the platelet count had returned to normal(150 x 10(9)/1) by six months after diagnosis. Between two groups, the clinical and laboratory characteristics, response to treatment were compared.

RESULT:

1) Out of 55 patients with ITP, 36 cases(65.5%) were acute and 19 cases(34.5%) were chronic ITP. 2) Sex, previous viral infection history, clinical manifestations were not significantly different between two groups, but the chronic ITP was rare in less than 1 year of age. 3) The duration of symptoms over >2 weeks at presentation was strongly predictive of chronic ITP. 4) Most of chronic disease (87.5%) showed platelet counts below 150 x 10(9)/1 at 28 days after diagnosis as compared with acute disease(25.0%). 5) Among 19 cases of chronic disease, 6 cases responded completely to treatment, but 11 cases(57.9%) did not respond to any treatments, 2 cases improved spontaneously.

CONCLUSION:

A history of symptoms over 2 weeks at presentation and platelet counts below 150 x 10(9)/1 at 28 days after diagnosis were strong predictors of chronic ITP in children.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Recuento de Plaquetas / Enfermedad Crónica / Mortalidad / Púrpura Trombocitopénica Idiopática / Diagnóstico Tipo de estudio: Estudio diagnóstico / Estudio pronóstico Límite: Niño / Humanos Idioma: Coreano Revista: Korean Journal of Pediatric Hematology-Oncology Año: 1997 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Recuento de Plaquetas / Enfermedad Crónica / Mortalidad / Púrpura Trombocitopénica Idiopática / Diagnóstico Tipo de estudio: Estudio diagnóstico / Estudio pronóstico Límite: Niño / Humanos Idioma: Coreano Revista: Korean Journal of Pediatric Hematology-Oncology Año: 1997 Tipo del documento: Artículo