Key result
The pooled 30-day readmission rate after CABG surgery was 12.9%, with the majority of readmissions due to noncardiac causes, and rates were strongly influenced by patient demographics and comorbidities rather than hospital characteristics.
Why the study?
Readmission after CABG surgery is linked to adverse outcomes and costs, serving as a quality-of-care indicator, but rates, causes, and influencing patient- and hospital-level factors needed systematic investigation.
Population
8,937,457 CABG patients across 53 observational studies
Comparison
Patient- and hospital-level factors associated with readmission
Design
Systematic review and random-effects meta-analysis
Follow-up
30 days
Authors
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Prioritizes comorbidity optimization in CABG discharge planning; confirms patient factors outweigh hospital characteristics in driving readmissions.
Systematic Review (n=8,937,457)
Yes
Nearly 1 in 8 CABG patients are readmitted within 30 days, predominantly for noncardiac causes, with readmission risk strongly driven by patient demographics and comorbidities rather than hospital characteristics.
Shawon et al. (2021) conducted a systematic review in Coronary artery bypass graft (CABG) surgery (n=8,937,457). Coronary artery bypass graft (CABG) surgery was evaluated on 30-day readmission rate (95% CI 11.3-14.4). The pooled 30-day readmission rate after CABG surgery was 12.9%, with the majority of readmissions due to noncardiac causes, and rates were strongly influenced by patient demographics and comorbidities rather than hospital characteristics.
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