Year : 2017  |  Volume : 10  |  Issue : 2  |  Page : 162-166

Outcome of coronary artery bypass graft surgery in patients with low ejection fraction

1 Department of Cardiovascular and Thoracic Surgery, B.J. Medical College, Pune, Maharashtra, India
2 Department of Cardiac Anaesthesia, B.J. Medical College, Pune, Maharashtra, India

Correspondence Address:
Shweta Pralhad Shende
Flat No. 2, Neel Ganga Vaibhav Society, Subhash Nagar, Chinchpokli  (West), Mumbai, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0975-2870.202107

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Background: Patients with low ejection fraction (EF) are at high risk for postoperative complication and mortality. Our aim was to assess the effect of low EF on clinical outcome after surgery. Objective: The present study evaluates our experience with coronary artery bypass grafting in patients with low EF. Materials and Methods: We analyzed the data of 35 patients with EF <35%. All participants were assessed preoperatively with respect to patient characteristics, risk factors, and preoperative two dimension echocardiography (2D ECHO). Depending on findings of 2D ECHO patients were divided into three groups: in Group 1, we included patients with EF 30%–35%, Group 2 comprised patients with EF of 25%–30%, and Group 3 consisted of patients with EF <25%. Patients were operated by off-pump coronary artery bypass grafting; only three patients were operated by on-pump beating heart surgery. We noted a mean number of grafts required, use of intra-aortic balloon counterpulsation (intra-aortic balloon pump) intraoperatively and postoperatively, postoperative complication, mortality, mean hospital stay, postoperative improvement in EF, and postoperative control of angina and symptomatic improvement. Results: Hospital mortality rate in present series was 11%. Mean grafts were 3.02 per patient. Fourteen (40%) patient had a postoperative complication. EF improved in 78% of patients. Canadian Cardiovascular Society Angina class improved in 42% of patients. Conclusion: In patients with coronary artery disease and low EF, CABG can be performed safely, and improvement in left ventricular function can be achieved with this procedure improving the quality of life.

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