• Courtney Kime, Jennifer Klima, Melissa J Rose, and Sarah H O'Brien.
• College of Medicine, The Ohio State University, Columbus, Ohio, USA.
• Pediatrics. 2013 May 1; 131 (5): 880-5.

ObjectiveAlthough recent evidence-based guidelines for the management of immune thrombocytopenia (ITP) recommend a conservative, observation-based approach for the majority of patients with newly diagnosed pediatric ITP, current practice patterns are unknown. This study used the Pediatric Health Information System database to examine patterns of inpatient care in newly diagnosed ITP in freestanding US children's hospitals and to examine geographic differences in care.MethodsData were extracted from Pediatric Health Information System for all newly diagnosed ITP admissions aged 1 to 18 years discharged between January 2008 and December 2010. Clinical data obtained included age, gender, length of stay, diagnoses, medications, and discharge status.ResultsWe identified 2314 unique patients meeting the study diagnosis of newly diagnosed ITP. Noncutaneous bleeding occurred in 12% of patients (intracranial hemorrhage 0.6%), with epistaxis the most commonly reported symptom. Ninety percent of hospitalized patients received ITP-directed therapy, with intravenous immunoglobulin G the most commonly used therapy (78% of patients). We identified significant variation by geographic region in treatment strategies, length of stay, hospital charges, and likelihood of readmission.ConclusionsA substantial number of children with newly diagnosed ITP continue to be hospitalized and receive intravenous medications, although the majority of these patients do not have clinical bleeding events during the admission. By using these results as a backdrop, future studies will be able to identify if the number of ITP admissions, costs of care, and geographic variability in care decrease with the dissemination and implementation of recently published guidelines.

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