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Published on: March 27, 2018
Short and long-term outcomes of patients with coronary artery bypass surgery
Mohammad Hosein Soltani1, Majid Rasti2, Seyedeh Mahdieh Namayandeh3
1Assistant Professor, Fellowship in Heart Failure, Yazd Cardiovascular Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
Insights
Coronary artery bypass grafting (CABG) outcomes in Iran show acceptable in-hospital and long-term mortality rates. Factors like age and left ventricular dysfunction impact survival, while left internal mammary artery use improves it.
Area of Science:
- Cardiology
- Surgical Outcomes
Background:
- Coronary artery disease (CAD) is a global health concern.
- Coronary artery bypass grafting (CABG) is a key treatment for severe CAD.
Purpose of the Study:
- To assess short- and long-term outcomes of CABG patients in Yazd Province, Iran.
- To evaluate mortality rates following CABG surgery.
Main Methods:
- A historical cohort study of 2510 patients undergoing CABG at Afshar Hospital (2011-2013).
- Follow-up for in-hospital and long-term mortality.
Main Results:
- In-hospital mortality was 3.7%. Higher risk observed in patients over 70, with left ventricular dysfunction, female gender, and left main involvement.
- Long-term survival rates were 92.4% at one year and 82.9% at five years.
- Factors associated with lower survival included age over 70, diabetes mellitus, and LV systolic dysfunction; use of left internal mammary artery correlated with higher survival.
Conclusions:
- In-hospital and long-term mortality rates for CABG in this Iranian cohort are acceptable.
- Further efforts are needed to optimize CABG success rates.
Background:
Coronary artery disease (CAD) is a major problem in Iran as well as throughout the globe, and coronary artery bypass grafting (CABG) surgery is an appropriate option for many patients with symptomatic and severe CAD. The main purpose of this study was assessment of the short and long-term outcomes of patients undergoing CABG in Yazd Province, Iran.
Methods:
This historical cohort study examined the mortality rates of patients who had undergone CABG in Afshar Hospital in Yazd from 2011 to 2013. During this period, 2510 patients undergoing CABG were entered into the study and then followed for in-hospital and long-term mortality.
Results:
Mean age of the patients was 61.37 ± 10.50 years and 34.1% were women. In-hospital mortality turned out to be 3.7% and age over 70, left ventricular (LV) dysfunction, female gender, and left main (LM) involvement induced significant higher in-hospital mortality. Of all the patients, 84.1% were followed for a period of 41 ± 20 months. The survival rate proved to be 92.4% in one year and 82.9% in five years. The patients with age over 70, diabetes mellitus (DM), and LV systolic dysfunction (LVSD) showed significant lower survival rate, whereas the patients with utilization of left internal mammary artery (LIMA) demonstrated significant higher survival rate.
Conclusion:
In-hospital and long-term mortality rate of patients undergoing CABG surgery is acceptable in comparison with other studies and more effort is needed into making this event a success.
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