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Published on: November 24, 2014
High risk coronary artery bypass patient: incidence, surgical strategies, and results
Mario Gaudino1, Franco Glieca, Francesco Alessandrini
1Department of Cardiac Surgery, Catholic University, Rome, Italy. mgaudino@dtiscali.it
Insights
For high-risk coronary artery bypass surgery, off-pump procedures did not show overall clinical advantages compared to on-pump. However, beating heart surgery benefited the highest-risk patients, suggesting tailored approaches improve outcomes.
Area of Science:
- Cardiovascular Surgery
- Cardiac Surgery Outcomes
- Minimally Invasive Cardiac Surgery
Background:
- Experience with high-risk coronary artery bypass (CABG) patients.
- Comparison of on-pump versus off-pump surgical techniques.
Purpose of the Study:
- To evaluate the clinical outcomes of on-pump versus off-pump CABG in high-risk patients.
- To identify patient subsets that may benefit from specific surgical approaches.
Main Methods:
- Retrospective analysis of 306 high-risk (Euroscore > 5) CABG patients over 42 months.
- 197 patients underwent off-pump surgery, 109 underwent on-pump surgery.
- Outcomes compared based on surgical technique and patient risk stratification.
Main Results:
- No overall clinical advantage for off-pump surgery despite better cardiac status in these patients.
- Off-pump patients experienced more cardiac complications; on-pump patients had higher systemic organ dysfunction.
- Off-pump surgery improved in-hospital outcomes specifically in the highest-risk patient subset.
Conclusions:
- Avoidance of cardiopulmonary bypass (CPB) does not universally benefit high-risk CABG patients.
- Beating heart surgery is indicated for specific patient subsets, while on-pump may be better for others.
- Personalized surgical strategy adaptation is crucial for improving patient outcomes.
Background:
To describe our experience in the treatment of high risk coronary artery bypass patients and compare patients assigned to on-pump or off-pump surgery.
Methods:
During a 42-month period 306 high risk (Euroscore > 5) coronary artery bypass patients were consecutively treated at our institution. On the basis of the coronary anatomy and possibility of achieving a complete revascularization, 197 patients were assigned to off-pump and 109 to on-pump operation. Overall mortality was 6.2% (19 of 306 patients).
Results:
Although patients treated off-pump had a better cardiac status, no clinical advantages related to the avoidance of cardiopulmonary bypass were found in the overall population. Off-pump patients had more early and late cardiac complications, whereas patients operated on-pump exhibited an higher incidence of postoperative systemic organ dysfunction. Off-pump surgery improved in-hospital outcome only in the subset of patients at highest risk.
Conclusions:
Avoidance of cardiopulmonary bypass does not confer significant clinical advantages in all high risk coronary patients; instead, there are particular subsets of patients in whom beating heart surgery can be particularly indicated and others for whom on-pump revascularization appears a better solution. Adaptation of the operation to the single patient is probably the way to improve outcome.
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