RÉSUMÉ
Objective To investigate the application of myocardial protection technique in off-pump coronary artery bypass grafting (CABG) combined with valve surgery.Methods Forty-five patients who received CABG combined valve surgery in the cardiothoracic surgery department of our hospital from February 2015 to March 2017 were as the research object.All of the patients were treated by myocardial protection technique in off-pump CABG combined with valve surgery.The preoperative and postoperative heart function rating and color ultra results and surgical patients discharged to evaluate the method.Results There was no difference in left ventricular ejection fraction before and after surgery(P ＞ 0.05).left ventricular end diastolic diameter and left atrial end diastolic diameter at 7 days after operation was significantly lower than those before operation,the differences were significant (P ＜ 0.05).After followed up for 3 months,the level Ⅰ and level Ⅱof cardiac function increased significantly in 29 cases,heart function classification(NYHA) after 3 months was significantly better than that before the surgery,the difference was significant(P ＜ 0.05).Mediastinal infection occurred in 1 case and poor healing of wound in 1 case,healing after active treatment.Conclusion Myocardial protection technique in off-pump CABG combined with valve surgery plays an important role in the whole surgical process and ensures the operation effect.