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Effects of Surgical, Percutaneous or Medical Treatments for Coronary Artery Disease on Renal Function: Long-Term Outcome. Cardiorenal-trial.

Sponsor: Instituto do Coracao

Summary

Background: Coronary artery disease (CAD) is treated with coronary artery bypass grafting (CABG), percutaneous coronary intervention (PCI), or optimized medical therapy (OMT). Their cardiovascular outcomes are well studied, but renal effects remain unclear. Objective: To evaluate long-term renal outcomes of different CAD treatment strategies. Methods: In this retrospective cohort from the MASS registry, patients with stable multivessel CAD and preserved ventricular function underwent OMT, CABG, or PCI. Annual creatinine was measured for ≥5 years, and eGFR calculated using CKD-EPI. The primary endpoint was change in renal function over time. Secondary endpoints included new-onset CKD, progression to advanced CKD, dialysis, and mortality. Analyses will use mixed-effects models and Cox regression. Results: Over 1,700 patients met inclusion criteria. Longitudinal follow-up enables robust comparison of renal trajectories across treatment groups. Conclusions: This trial highlights renal function as a primary outcome in CAD management, aiming to inform integrated strategies for patients with concurrent cardiovascular and renal risk.

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