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Blalock-taussig shunt thrombosis prophylaxis in a patient with jacobsen syndrome and thrombocytopenia.

Abstract
Jacobsen syndrome (JS) is a rare chromosomal anomaly caused by deletions in the distal long arm of chromosome 11. Features of the syndrome include growth and developmental delays, a distinctive facial appearance, and a variety of physical problems including heart defects and bleeding disorders. Congenital heart defects occur in approximately 50% of children with JS. Hypoplastic left heart syndrome (HLHS) has been occasionally reported in association with JS. In such cases, the hematological abnormalities may influence the outcome from single-ventricle palliation through staged surgical reconstruction. Thrombotic obstruction or occlusion of the modified Blalock-Taussig (BT) shunt is a well-documented cause of interstage mortality following the Norwood operation. Although there is no consensus regarding the therapeutic value of antiplatelet therapy during the interstage period following the first stage of palliation, maintenance of shunt patency is critically important. For patients with JS undergoing single-ventricle palliation, decisions regarding antiplatelet therapy during the interstage period may be further complicated by the presence of thrombocytopenia and platelet dysfunction related to JS. We report the case of a patient with HLHS, JS, and thrombocytopenia who underwent the Norwood procedure, and we describe our strategy for prophylaxis against thrombosis of the BT shunt.
AuthorsJoseph R Casadonte, Jennifer M Kim, Gul H Dadlani, Jeffrey P Jacobs, David S Cooper, Gary E Stapleton
JournalWorld journal for pediatric & congenital heart surgery (World J Pediatr Congenit Heart Surg) Vol. 2 Issue 4 Pg. 641-3 (Oct 1 2011) ISSN: 2150-136X [Electronic] United States
PMID23804479 (Publication Type: Journal Article)

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