Recognition and management of heparin-induced thrombocytopenia in pediatric cardiopulmonary bypass patients

Repeated exposure to unfractionated heparin is the rule in many congenital heart disease patients. Heparin-induced thrombocytopenia occurs in 1% to 3% of adult cardiac surgeries, and carries high thrombotic morbidity (38% to 81%) and mortality (approximately 28%). Although heparin-induced thrombocytopenia appears to be infrequent in pediatric patients, particularly neonates, our evolving experience suggests postcardiopulmonary bypass congenital heart disease patients may be at increased risk. Diagnostic and therapeutic challenges include frequency of thrombocytopenia after cardiopulmonary bypass, imperfect laboratory testing, lack of established dosing of alternative anticoagulants (such as argatroban and lepirudin), and increased anticoagulant-related bleeding in young children.

Abstract sourced from PubMed (NCBI) for the cited record. See the original publication for the authoritative version.

Reviews HIT incidence (1–3% in adult cardiac surgery, ~28% HIT-related mortality) and the post-CPB pediatric population; describes argatroban and lepirudin dosing limitations and increased bleeding risk in young children.

Leech-derived molecules this paper discusses, each with a full profile in the ASH compound registry:

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