Difficulty in the management of anticoagulation with argatroban during off-pump coronary artery bypass grafting
2013
Abstract Heparin-induced thrombocytopenia (HIT) can often result in devastating thromboembolic outcomes. Argatroban is frequently administered as an alternative anticoagulant to heparin. We present a complicated case of HIT in which off-pump coronary artery bypass grafting was performed using anticoagulation with argatroban. Although the active clotting time was maintained between 220 and 270 s using argatroban, intraoperative thrombotic complications and postoperative prolonged coagulopathy were encountered. Learning objective: The use of argatroban involves a potential risk of inadequate anticoagulation or life-threatening postoperative bleeding depending on the dose. We recommend that the target ACT during off-pump coronary artery bypass grafting with argatroban should be strictly maintained over 250 s, although an ACT exceeding 300 s may cause prolonged coagulopathy>.
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