Abstract
Background: Vigilance ensures safety in cardiac surgery. Performance in cardiac surgery is often measured by short-term mortality. Several risk factors like advanced age, female gender, higher body mass index, decreased left ventricular function, emergent, and redo operations have appeared recurrently as poor prognostic variables. Evaluation of postoperative mortality is crucial to find loopholes to provide proper care and reduce preventable mortality after cardiac surgery in developing countries with limited infrastructures and resources. Methods: This is a retrospective study conducted in the Department of Cardiac Surgery, Bangabandhu Sheikh Mujib Medical University. Perioperative data of 100 cases of mortality after cardiac surgery performed from 1 January 2014 to 30 May 2018 were collected from the university medical record. The data on age, gender, body mass index, preoperative investigations, diagnoses, types of operations, details of cardiopulmonary bypass, and postoperative period of the study populations were evaluated. Results: During the study period, about 1627 cases of cardiac surgery were done with an overall mortality rate of 6.15%. The mean age was 41.05 ± 20.19 (0 - 68) years, and 66% of patients were male. Preoperative ejection fraction (EF) of the study population was an average 56.63% ± 11.85%; 9% of the patients had EF ery was done among 65% of the study population with a mean cross-clamp time and bypass time of 32.56 ± 11.55 minutes and 80.57 ± 18.09 minutes, respectively. Most of the mortality was found in the first two weeks after surgery. Conclusion: Mortality after cardiac surgery is multifactorial. A large-scale prospective study with comparative groups is required to find out preventable measures of mortality after cardiac surgery which will improve the quality of services provided to the patients in developing countries.
Highlights
Vigilance ensures safety in cardiac surgery but despite all improved technologies and infrastructures for perioperative support of cardiac surgery, mortality is inevitable
About 1627 cases of cardiac surgery were done in our medical university stating an overall mortality rate of 6.15% which is a little higher
It may be because our university being a tertiary referral center, many complicated cases are operated with limited resources and infrastructure
Summary
Vigilance ensures safety in cardiac surgery but despite all improved technologies and infrastructures for perioperative support of cardiac surgery, mortality is inevitable. Mortality is an unequivocal and easy method to evaluate outcomes after cardiac surgery. Perioperative data of 100 cases of mortality after cardiac surgery performed from 1 January 2014 to 30 May 2018 were collected from the university medical record. The data on age, gender, body mass index, preoperative investigations, diagnoses, types of operations, details of cardiopulmonary bypass, and postoperative period of the study populations were evaluated. On-pump cardiac surgery was done among 65% of the study population with a mean cross-clamp time and bypass time of 32.56 ± 11.55 minutes and 80.57 ± 18.09 minutes, respectively. A large-scale prospective study with comparative groups is required to find out preventable measures of mortality after cardiac surgery which will improve the quality of services provided to the patients in developing countries
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