Key result
Patients undergoing CABG during 2012-2013 had a 40% lower risk of all-cause mortality compared to those operated on during 2000-2001 (HR 0.61; 95% CI 0.53 to 0.69).
Why the study?
To describe changes in mortality over time among patients undergoing CABG in New South Wales, Australia from 2000 to 2013.
Does the era of CABG surgery (2012-2013 vs 2000-2001) improve all-cause mortality in patients undergoing CABG?
Population
54 767 patients undergoing CABG in New South Wales, Australia
Comparison
Patients operated on across two-year groups from 2000 to 2013
Design
Registry-based retrospective cohort study
Follow-up
Median 6 years
Authors
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Improved medium-term CABG survival despite rising patient risk; extends observational trends but leaves open specific drivers.
Cohort (n=54,767)
Yes
Does the era of CABG surgery (2012-2013 vs 2000-2001) improve all-cause mortality in patients undergoing CABG?
Hazard Ratio: 0.61 (95% CI 0.53–0.69)
Despite an increasing risk profile, medium-term mortality following CABG significantly decreased from 2000 to 2013 in New South Wales, driven by improvements in both in-hospital and postdischarge outcomes.
Brieger et al. (2019) conducted a cohort in Coronary artery bypass grafting (CABG) (n=54,767). CABG during 2012-2013 vs. CABG during 2000-2001 was evaluated on All-cause mortality (HR 0.61, 95% CI 0.53 to 0.69). Patients undergoing CABG during 2012-2013 had a 40% lower risk of all-cause mortality compared to those operated on during 2000-2001 (HR 0.61; 95% CI 0.53 to 0.69).
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