26.11.2021 | Case Report
Native aortic valve thrombosis due to heparin-induced thrombocytopenia
verfasst von:
Yu Inaba, Yasunori Iida, Hidetoshi Oka, Takahisa Miki, Takashi Hachiya, Hideyuki Shimizu
Erschienen in:
General Thoracic and Cardiovascular Surgery
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Ausgabe 2/2022
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Abstract
A 65-year-old man with unstable angina was transferred to our department for coronary artery bypass grafting (CABG). Preoperative computed tomography indicated a large thrombosis in the left coronary cusp (LCC). CABG concomitant thrombectomy was performed under cardiopulmonary bypass using unfractionated heparin. Although the LCC was filled with a large thrombus, the left coronary artery ostium was not obstructed. The platelet count decreased by 68%, 12 days after starting heparin in the previous hospital. There is a high probability that this patient had HIT which was not recognized before surgery.