Perioperative medicine & outcomes
Association of Kidney Function With Major Postoperative Events After Noncardiac Ambulatory Surgeries: A Population-Based Cohort Study
Authors' conclusion
Ambulatory surgery was associated with a low risk of major postoperative events. This risk was higher for people with CKD, which may inform their perioperative shared decision-making and management.
Study context
- Population
- Adults with measured preoperative kidney function undergoing ambulatory noncardiac surgery, Alberta, Canada, April 1, 2005 to February 28, 2017
- Participants
- 323,521 adults · 543,160 procedures
- Exposure
- Estimated glomerular filtration rate (eGFR) categories G3a, G3b, G4, G5ND, G5D vs G1-2
- Outcome
- AMI or death
- Follow-up
- 30 days of surgery
Methodological detailspopulation-based, administrative health data
- Population-based
- Administrative health data
Main finding
As reported in the abstract
Death or AMI · 30 days
Each group vs G1-2Adjusted odds ratio (95% CI)
G3a
1.1(1.0–1.3)
G5D
3.1(2.6–3.6)
- Overall death or acute myocardial infarction (AMI) within 30 days
- 2338 (0.7%)
Observational data: associations, not effects.
Further findings
ED and Urgent Care Center visits · 30 days
- Frequent overall, similar across eGFR categories
- 17%
Original publication
Association of Kidney Function With Major Postoperative Events After Noncardiac Ambulatory Surgeries: A Population-Based Cohort Study. Ann Surg. Published 10 January 2023. doi:10.
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