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Urmia University of Medical Sciences , askaribehnam@ymail.com
Abstract:   (80 Views)
Background and Aim: Cardiovascular diseases are the leading cause of mortality in Iran and in the world. There is a controversy about risk factors and causes of mortality following coronary artery bypass graft surgery and the purpose of this study is to determine these factors.
methods: In the retrospective case-control study, from March 2010 to October 2016   preoperative and intraoperative clinical data's of   CABG patients were obtained and analyzed. Case group including 36 patients who died during the 30 days after operation and control group including 144 patients who had not died after surgery.
Results: The mortality rate during this interval was 1.29% (36 / 2774). Old age, female sex,  three vessel disease , chronic obstructive pulmonary disease, left main involvement, mitral valve regurgitation , emergency surgery, preoperative critical condition, low hemoglobin level, High white blood cell count , peripheral vascular disease, high aortic cross clamping time, pulmonary hypertension, high cardiopulmonary bypass time, intra-aortic  balloon pump placement  and  use of inotrope and pacemaker had a significant relationship with mortality.
Conclusion: Emergency surgery have a high mortality in the patients with preoperative critically ill conditions, especially in older women with multiple comorbidities.  Preoperative precise assessment and correcting factors such as anemia, controlling inflammatory and pulmonary diseases, and reducing the duration of surgery is recommended to reduce mortality after surgery.
Type of Study: Research | Subject: Cardio Muscular Disease

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