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Association of Immune Thrombocytopenia and Inflammatory Bowel Disease in Children
Angela Guarina1, Angelica Barone2, Assunta Tornesello3
1UOC Oncoematologia Pediatrica-ARNAS Civico-Di Cristina-Benfratelli, 90127 Palermo, Italy.
Background:
The association between inflammatory bowel disease (IBD) and immune thrombocytopenia (ITP) is still uncertain. In this multicenter retrospective study, the coexistence of both diseases was investigated in children diagnosed from 1 January 2000 to 31 December 2019.
Methods:
Clinical characteristics of both IBD and ITP, onset of disorders, and patient's response to treatment were collected through a structured form sent to 55 Italian pediatric referring centers for hematological disorders.
Result:
Centers responded to the survey and reported the coexistence of IBD and ITP in 14 children. The first diagnosis was ITP in 57.1% and IBD in 35.7% of patients: it was simultaneous in 7.1%. IBD was classified as ulcerative colitis (57.1%), Crohn disease (35.7%), and unclassified (7.1%). No therapy for IBD other than steroids had any effect on ITP course. Colectomy resulted in recovery from ITP in 1 of the 2 patients surgically treated. ITP was always mild but turned to be chronic in half of patients.
Conclusions:
In all patients, ITP was mild without any evident impact on IBD severity, but the incidence of chronic ITP seems to be higher than what is usually observed in the pediatric age group. Colectomy had unpredictable effects on ITP.
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