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Predictors of reintervention after coronary artery bypass grafting
S Inci1, S Arslan, E M Bakirci
1Department of Cardiology, Aksaray State Hospital, Aksaray, Turkey. doktorsinaninci@gmail.com.
Insights
Patients undergoing coronary artery bypass grafting (CABG) with diabetes, hypertension, or smoking face higher reintervention rates. Identifying these risk factors can help reduce future procedures after CABG surgery.
Area of Science:
- Cardiology
- Cardiovascular Surgery
Background:
- Reintervention after coronary artery bypass grafting (CABG) is common.
- Identifying predictors of reintervention is crucial for patient management.
Purpose of the Study:
- To determine predictors of reintervention in patients experiencing recurrent ischemia after CABG.
Main Methods:
- Retrospective analysis of 485 patients who underwent CABG and subsequent coronary angiography (CAG).
- Evaluation of demographic data, coronary artery disease (CAD) risk factors, ECG, cardiac biomarkers, and left ventricular function.
Main Results:
- Reintervention was more frequent in patients with acute coronary syndrome, diabetes mellitus (DM), hypertension (HT), family history of CAD, ECG changes, elevated troponin/CKMB, ejection fraction (EF) > 50%, and smokers.
- Independent predictors of reintervention included DM, smoking, family history of CAD, HT, ECG changes, and EF > 50%.
Conclusions:
- Patients with atherosclerosis risk factors, ECG changes, and normal EF have higher reintervention rates post-CABG.
- Understanding these predictors can guide decisions on CAG necessity and inform risk factor modification strategies to reduce reinterventions.
Aim:
Percutaneous and surgical reintervention after coronary artery bypass grafting (CABG) is frequent. The purpose of this study was to determine the predictors of reintervention in patients with symptoms of recurrent ischemia after coronary artery bypass graft surgery (CABG).
Patients And Methods:
The data of 20000 patients who had coronary angiography (CAG) from 2003 to 2010 in our centre were retrospectively analysed. 485 of these patients with CABG who had CAG were included in this study. Demographic characteristics, the presence of coronary artery disease (CAD), risk factors for CAD, electrocardiographic (ECG) changes, troponin and CKMB levels, and left ventricular function were evaluated in terms of time elapsed after CABG.
Results:
Reintervention was performed significantly more frequent in patients with acute coronary syndrome, diabetes mellitus (DM), hypertension (HT), family history of CAD, ECG changes, positive troponin level, elevated CKMB, ejection fraction (EF) > 50% and in smoker patients (p < 0.05). Multivariate backward logistic regression analysis revealed that DM, smoking, family history of CAD, HT, ECG changes and patients with EF > 50% were found the independent predictors of reintervention.
Conclusions:
Reintervention after CABG is especially higher in patients with risk factors for atherosclerosis and those who have ECG changes and normal EF. Knowledge of these risk factors is useful in the determination of CAG requirement and modification of risk factors for atherosclerosis may play an important role in reducing reintervention.
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