Abstract：Objective: To evaluate the efficacy and safety of thoracoscopic cardiac surgical procedures under extracorporeal circulation. Methods: From November 2011 to June 2015, 28 patients underwent thoracoscopic cardiac surgery under extracorporeal circulation. These procedures included 1 case of left atrial myxoma, 1 case of tricuspid valvuloplasty, 2 cases of interatrial septum defect, mitral valve repair for 2 patients and mitral valve replacement for 22 patients. Thirty degree thoracoscopes and femoral extracorpereal circulation were used. The aorta was cross-clamped and the myocardium was protected by coronary perfusion with cold crystal or blood cardioplegie. Results: The operation successed in all 28 patients. Cardiopulmonary bypass time was from 68 min to 120 min with the mean of (94.6±20.58) min. Aortic cross-clamp time was from 40 min to 87 min with the mean of (63.8±15) min. The volume of bleeding was 200-500 (350±119.52) mL. The volume of chest drainage in 24 hours was 20-350 mL. The postoperative hospital stay was 7-29 (13.1±7.45) d. Postoperative complications occurred in 3 cases, including systolic anterior motion (SAM) in 1 patients, 1 case of pulmonary infection and arrhythmia in 1 case. Conclusion: Thoracoscopic cardiac surgical procedures for cardiac surical is feasible and safe, especially in the secondary cardiac valvular surgery.
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