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Amouzeshi A, Zanguoie M, Shakhsemampour B. A survival after coronary artery bypass grafting surgery with ejection fraction below 30 percent. J Surg Trauma 2018; 6 (3) :96-100
URL: http://jsurgery.bums.ac.ir/article-1-160-en.html

Introduction: Regarding the progress in surgeries, the mortality rate of coronary artery bypass grafting surgery is still low, despite advanced age and comorbidities. One of the independent causes of mortality rate is low ejection fraction (EF). This study aimed to assess mortality after coronary artery bypass grafting (CABG) operation in patients with ejection fraction under 30%. In the present study the experience of 20 patients with an EFbelow 30% and 20 patients with an EF above 30% was investigated in Birjand in which only three of the patients died within 2 years after the operation.
Methods: This crross-sectional descriptive study was conducted on 40 patients in Birjand Vali-e-aser Hospital. Out of the 40 cases, 20 patients had EF below 30% and 20 subjects had EF above 30 %. The files of all the cases undergoing heart surgery with an EF were obtained since 2015 to 2017, and then their demographic features, such as addresses and phone numbers were collected. Afterwards, they were called and their mortality was checked and the data were analyzed with independent-samples t-test. In addition, the ratios were examined in SPSS Software (version 22) and P-value considered higher than 0.05.
Results: From 2015 to 2017, the two groups, including 20 patients with EF<30% and 20 patients with EF>30%, undergone CABG surgery in Birjand University of Medical Science, 65% of which were men and 35 % were women with the age range of 64.7 for the cases with EF<30 and 62.5 for the subjects EF>30. One of the patients died with an EF above 30% and two subjects died with EF below 30%.
Conclusions: The mortality rate can be reduced with providing appropriate care despite the fact that an EF<30% is an independent cause of mortality and according to the results of the present study which showed three patients died after the CABG operation.