Related Experiment Video
Updated: Jul 14, 2026

Purification of Platelets from Mouse Blood
Published on: May 7, 2019
Childhood idiopathic thrombocytopenic purpura: Experience at King Khalid University Hospital, Riyadh
1Department of Pediatrics, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
Insights
Platelet counts at four weeks and three months after diagnosis can predict chronic idiopathic thrombocytopenic purpura (ITP) in children. Lower counts increase the risk, while higher counts indicate a better prognosis for ITP.
Area of Science:
- Pediatrics
- Hematology
Background:
- Idiopathic thrombocytopenic purpura (ITP) is a bleeding disorder affecting children.
- Understanding predictors of chronic ITP is crucial for management.
Purpose of the Study:
- To retrospectively review clinical characteristics, management, and outcomes of pediatric ITP.
- To identify predictors for the chronicity of ITP in children.
Main Methods:
- Retrospective review of 49 children diagnosed with ITP at King Khalid University Hospital.
- Analysis of clinical data including age of onset, presentation (acute vs. chronic), platelet counts, and treatment response.
Main Results:
- The clinicopathological features and treatment responses were similar to global findings.
- Platelet counts at 4 weeks and 3 months post-diagnosis significantly predicted chronicity.
- Platelet counts < 100x10(9)/L at these time points increased the risk of chronic ITP.
Conclusions:
- Platelet counts at specific intervals after diagnosis are valuable predictors of chronic ITP in children.
- Early identification of at-risk children can guide management strategies for idiopathic thrombocytopenic purpura.
Abstract:
Forty-nine children (30 boys and 19 girls) with idiopathic thrombocytopenic purpura (ITP) seen at King Khalid University Hospital (KKUH) Riyadh, during a 7-1/2 year period were retrospectively reviewed with regard to their clinical characteristics, management, and outcome. The age of onset of the disease ranged from 8 months to 11 years with a mean of 4.26 years. Twenty-seven cases presented as acute ITP while 22 cases presented as chronic ITP. The clinicopathological features and response to treatment of the cases were essentially similar to findings in other parts of the world. In a search for a predictor of chronic disease, the platelet counts at four weeks and three months after diagnosis were found to be a significant factor for prediction of chronicity of ITP. If the platelet counts are less than 100x10(9)/L during these periods, the risk of chronic ITP is increased and vice versa. There was, however, no correlation in our patients between duration of symptoms prior to presentation and outcome of the disease as has been reported by investigators in Europe and Australia.

