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Idiopathic thrombocytopenia in childhood. Edinburgh experience 1962-82
Insights
This study on childhood idiopathic thrombocytopenia found that while initial symptoms and steroid therapy impact recovery time, they do not affect long-term prognosis. Splenectomy offered a cure for most chronic cases.
Area of Science:
- Pediatric Hematology
- Immunology
Background:
- Idiopathic thrombocytopenia (ITP) is an autoimmune disorder.
- Understanding prognostic factors and treatment efficacy in pediatric ITP is crucial.
Purpose of the Study:
- To evaluate the prognostic significance of presenting parameters in childhood ITP.
- To assess the impact of various therapies on ITP outcomes.
Main Methods:
- Retrospective review of 136 children diagnosed with ITP.
- Analysis of presenting clinical and laboratory parameters.
- Evaluation of treatment responses including steroids, immunosuppressants, and splenectomy.
Main Results:
- Initial hemoglobin, white cell count, platelet count, splenomegaly, hepatomegaly, and lymphadenopathy did not significantly affect outcomes.
- Acute ITP cases showed higher preceding infection rates, shorter bleeding history, and more males.
- Bone marrow lymphocyte percentage >20% correlated with longer time to platelet normalization (p=0.05).
- Steroid therapy shortened recovery time in acute ITP (p=0.05) but not long-term prognosis.
- 18% of cases became chronic; 9 had spontaneous remission.
- Splenectomy cured 9 of 12 children with chronic ITP.
- Mortality was 0.7% with low general morbidity.
Conclusions:
- Presenting features have limited prognostic value in childhood ITP.
- Steroid therapy aids short-term recovery in acute ITP.
- Splenectomy is effective for refractory chronic ITP.
Abstract:
This retrospective review of 136 children with idiopathic thrombocytopenia assesses the prognostic significance of various presenting parameters and the effect of therapy. Initial haemoglobin, white cell count, actual platelet count, splenomegaly, hepatomegaly and lymphadenopathy had no significant effect upon the final outcome. Cases of acute I.T.P. were associated with a higher incidence of preceding infection, a shorter history of bleeding and a preponderance of males. The presence of greater than 20 per cent lymphocytes in the bone marrow was associated with a longer time to achieve a normal platelet count (p = 0.05). Steroid therapy shortened the time for acute cases of I.T.P. to obtain a normal platelet count (p = 0.05), but had no effect on long-term prognosis. Chronicity occurred in 25 children (18%) and nine of these had spontaneous remissions. Immunosuppressive therapy was ineffective, but nine out of 12 children were cured by splenectomy. Mortality was 0.7 per cent (one death) and general morbidity was low.