• Pavel S Roshanov, Michael W Walsh, Amit X Garg, Meaghan Cuerden, Ngan N Lam, Ainslie M Hildebrand, Vincent W Lee, Marko Mrkobrada, Kate Leslie, ChanMatthew T VMTVDepartment of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Hong Kong, China., Flavia K Borges, Chew Yin Wang, Denis Xavier, Daniel I Sessler, Wojciech Szczeklik, Christian S Meyhoff, Sadeesh K Srinathan, Alben Sigamani, Juan Carlos Villar, Clara K Chow, Carísi A Polanczyk, Ameen Patel, Tyrone G Harrison, Vikram Fielding-Singh, Juan P Cata, Joel Parlow, Miriam de Nadal, and P J Devereaux.
• Department of Medicine, Western University, London, ON, Canada; Population Health Research Institute, Hamilton, ON, Canada; Outcomes Research Consortium, Houston, TX, USA. Electronic address: proshano@uwo.ca.
• Br J Anaesth. 2025 Feb 1; 134 (2): 297307297-307.

BackgroundOptimised use of kidney function information might improve cardiac risk prediction in noncardiac surgery.MethodsIn 35,815 patients from the VISION cohort study and 9219 patients from the POISE-2 trial who were ≥45 yr old and underwent nonurgent inpatient noncardiac surgery, we examined (by age and sex) the association between continuous nonlinear preoperative estimated glomerular filtration rate (eGFR) and the composite of myocardial injury after noncardiac surgery, nonfatal cardiac arrest, or death owing to a cardiac cause within 30 days after surgery. We estimated contributions of predictive information, C-statistic, and net benefit from eGFR and other common patient and surgical characteristics to large multivariable models.ResultsThe primary composite occurred in 4725 (13.2%) patients in VISION and 1903 (20.6%) in POISE-2; in both studies cardiac events had a strong, graded association with lower preoperative eGFR that was attenuated by older age (Pinteraction<0.001 for VISION; Pinteraction=0.008 for POISE-2). For eGFR of 30 compared with 90 ml min-1 1.73 m-2, relative risk was 1.49 (95% confidence interval 1.26-1.78) at age 80 yr but 4.50 (2.84-7.13) at age 50 yr in female patients in VISION. This differed modestly (but not meaningfully) in men in VISION (Pinteraction=0.02) but not in POISE-2 (Pinteraction=0.79). eGFR contributed the most predictive information and mean net benefit of all predictors in both studies, most C-statistic in VISION, and third most C-statistic in POISE-2.ConclusionsContinuous preoperative eGFR is among the best cardiac risk predictors in noncardiac surgery of the large set examined. Along with its interaction with age, preoperative eGFR would improve risk calculators.Clinical Trial RegistrationClinicalTrials.gov NCT00512109 (VISION) and NCT01082874 (POISE-2).Copyright © 2024 The Author(s). Published by Elsevier Ltd.. All rights reserved.

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