期刊
EUROPEAN JOURNAL OF CARDIO-THORACIC SURGERY
卷 34, 期 1, 页码 127-131出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ejcts.2008.03.052
关键词
cardiac pharmacology; cardiac physiology; coronary disease
Objective: The use of antiplatelet drugs to treat acute myocardial infarction, unstable angina, acute coronary syndrome and secondary prevention following percutaneous coronary interventions is wet( accepted. However, it constitutes a serious risk of bleeding for patients undergoing coronary artery bypass grafting surgery (CABG). We evaluated the effect of aspirin and clopidogrel (CPDG), both irreversible platelet aggregation inhibitors, on operative bleeding and determined the optimal timing for their discontinuation before surgery. Method: Between July 2001 and December 2004, we reviewed our experience with 453 patients undergoing off-pump CABG surgery (OPCAB) who received CPDG (n = 101) or not (n = 352) preoperatively, and compared the intraoperative and postoperative bleeding to determine risks factors associated with blood or platelet transfusions. Results: Clopidogrel in OPCAB surgery is associated with higher intraoperative (702.24 ml vs 554.13 ml, p = 0.03) and postoperative bleeding (864.93 ml vs 603.75 ml, p = 0.03). The mean operative blood loss is higher in patients still on CPDG at the time of surgery compared to patients off CPDG at [east 72 h before surgery (802 ml vs 554.13 ml, p < 0.0001). Blood toss in the later subgroup of patients is comparable to the control group without CPDG (p = INS). Clopidogrel. is associated with more platelet transfusions (OR = 11,79, [1.48; 93.86]). Conclusion: Blood loss is higher in OPCAB patients receiving clopidogrel before surgery. However, discontinuation of clopidogrel three days (72 h) prior to the operation demonstrated a similar blood loss pattern compared to a control group. Clopidogrel is associated with more platelets, but not red blood cell transfusions following OPCAB surgery. (C) 2008 European Association for Cardio-Thoracic Surgery. Published by Elsevier B.V. All rights reserved.
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