Cardiothoracic & vascular anesthesia
The Clinical Significance of Unplanned Coronary Artery Bypass Grafting in Aortic Root Replacement
Authors' conclusion
Unplanned CABG occurred in 4.3% of patients during ARR, but was not associated with operative mortality or long-term mortality. A small body surface area was a factor associated with unplanned CABG.
Study context
- Population
- All patients who underwent aortic root replacement (ARR), 2011 through 2022, university-affiliated tertiary hospital131 planned concomitant coronary artery bypass grafting (CABG)
- Participants
- 795 patients
- Exposure
- ARR with vs without unplanned CABG
- Unplanned CABGn = 34
- Outcome
- Operative and long-term mortality
- Follow-up
- Median 4.3 years
Methodological detailssingle-centre
- Single-centre
Main finding
As reported in the abstract
Unplanned CABG
4.3%
34
Unplanned CABG vs No unplanned CABGEstimate (95% CI)P value
Operative mortality
OR 1.54(0.33–7.16)
P = 0.58Long-term mortality
HR 0.91(0.44–1.89)
P = 0.81Observational data: associations, not effects.
Further findings
Risk factor for unplanned CABG: body surface area smaller than 1.7
| OR (95% CI) | P value | ||
|---|---|---|---|
| Body surface area smaller than 1.7Independently associated | 4.51 (1.85–11.0) | P < 0.001 | |
| 0.050.21520Odds ratio (log scale) |
Indications for unplanned CABG
- Ventricular dysfunction
- 33.3%
- Disease pathology
- 25.6%
- Anatomy
- 15.4%
- Surgical complications
- 10.3%
- Most common bypass: vein graft to the right coronary artery
Original publication
The Clinical Significance of Unplanned Coronary Artery Bypass Grafting in Aortic Root Replacement. J Cardiothorac Vasc Anesth. Published 7 January 2024. doi:10.
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