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Clinical and laboratory assessment of the bleeding pediatric patient
1Department of Pediatric Hematology/Oncology, Hadassah Hebrew University Hospital, Jerusalem, Israel. shoshanav@hadassah.org.il
Insights
Diagnosing bleeding disorders in children requires a thorough history and physical exam. Objective assessment of bleeding symptoms and family history may guide specific laboratory testing for accurate diagnosis.
Area of Science:
- Pediatric Hematology
- Diagnostic Challenges in Hemostasis
Background:
- Children with bleeding symptoms present diagnostic difficulties.
- Comprehensive evaluation involves medical history, family history, physical examination, and laboratory tests.
Purpose of the Study:
- To outline an effective diagnostic approach for children with bleeding symptoms.
- To highlight the limitations of current screening tests for primary hemostatic defects.
- To explore the potential utility of a Bayes theorem approach in identifying children needing further specialized testing.
Main Methods:
- Detailed personal and family bleeding history assessment, including objective quantitation of symptoms.
- Physical examination.
- Selective laboratory testing, including screening tests for coagulation factor deficiencies.
- Consideration of a Bayes theorem approach for primary hemostatic defect screening.
Main Results:
- Screening tests for coagulation factor deficiencies are reliable and accessible.
- Current screening tests for primary hemostatic defects lack proven reliability.
- Specialized hematology consultation and specific laboratory testing are often necessary for primary hemostatic defects.
Conclusions:
- A systematic evaluation combining history, physical exam, and targeted laboratory tests is crucial for diagnosing pediatric bleeding disorders.
- A Bayes theorem approach may improve the identification of children who would benefit most from specific laboratory investigations for primary hemostatic defects.
Abstract:
Children presenting with bleeding symptoms pose a diagnostic challenge. The evaluation should include a comprehensive medical and bleeding history, detailed family history, a physical examination, and selected laboratory tests. Evaluation of the bleeding history should include an objective quantitation of the bleeding symptoms, followed by objective quantitation of the family members' bleeding symptoms. If a bleeding disorder is suspected, based on personal and/or family bleeding history, specific laboratory testing is needed for attaining a diagnosis. The screening tests for coagulation factor deficiencies are considered reliable, routinely available, and easy to perform. However, for primary hemostatic defects, the various screening tests have not yet proven to be reliable and thus referral for a specialized hematology consultation and specific laboratory testing are needed. Perhaps a Bayes theorem approach, combining the personal and family bleeding history with the results of a screening test for a primary hemostatic defect would prove to be useful in the identification of those children who will most benefit from specific laboratory testing.
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