• J. Cardiothorac. Vasc. Anesth. · Oct 2016

    An Adjusted Calculation Model of Reduced Heparin Doses in Cardiopulmonary Bypass Surgery in a Chinese Population.

    • Yufeng Zhang, Kai Liu, Wei Li, Qian Xue, Jiang Hong, Jibin Xu, Lihui Wu, Guangyu Ji, Jihong Sheng, and Zhinong Wang.
    • Department of Cardiothoracic Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China.
    • J. Cardiothorac. Vasc. Anesth. 2016 Oct 1; 30 (5): 1179-83.

    ObjectiveTo investigate the safety and efficacy of an adjusted regimen of heparin infusion in cardiopulmonary bypass (CPB) surgery in a Chinese population.DesignProspective, single-center, observational study.SettingUniversity teaching hospital.ParticipantsPatients having cardiac surgery with CPB were selected for this study using the following criteria: 18 to 75 years of age, undergoing first-time cardiac surgery with conventional median sternotomy, aortic clamping time between 40 and 120 minutes, and preoperative routine blood tests showing normal liver, renal, and coagulation functions. The exclusion criteria include salvage cases, a history of coagulopathy in the family, and long-term use of anticoagulation or antiplatelet drugs.InterventionsSixty patients were divided randomly into a control group (n = 30) receiving a traditional heparin regimen and an experimental group (n = 30) receiving an adjusted regimen.Measurements And Main ResultsActivated coagulation time (ACT) was monitored at different time points, ACT>480 seconds was set as the safety threshold of CPB. Heparin doses (initial dose, added dose, and total dose), protamine doses (initial dose, added dose, and total dose), CPB time, aortic clamping time, assisted circulation time, sternal closure time, blood transfusion volume, and drainage volume 24 hours after surgery were recorded. There was no significant difference in achieving target ACT after the initial dose of heparin between the 2 groups; CPB time, aortic clamping time, assisted circulation time, postoperative complication rate, and drainage volume between the 2 groups were not significantly different (p>0.05). However, initial and total dosage of heparin, initial and total dosage of protamine, sternal closure time, and intraoperative blood transfusion volume in the experimental group were significantly lower (p< 0.05).ConclusionsAdjusted regimen of heparin infusion could be used safely and effectively in Chinese CPB patients, which might reduce the initial and total dosage of heparin and protamine as well as sternal closure time and intraoperative blood transfusion volume.Copyright © 2016 Elsevier Inc. All rights reserved.

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