SGLT2 Inhibitors Offer Potent Protection Against Contrast-Induced Kidney Injury During Coronary Intervention

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According to data from the BMC2 registry, patients with diabetes who were receiving SGLT2 inhibitors (SGLT2i) prior to percutaneous coronary intervention (PCI) experienced a 28% reduction in the odds of developing contrast-associated acute kidney injury (CA-AKI) compared to non-users.

The protective signal remained robust even after rigorous propensity-score matching and risk adjustment, with the benefits extending to various high-risk patient subgroups, suggesting a broad clinical utility for these agents in the catheterization lab setting.

SGLT2 Inhibitors Provide Robust Kidney Protection Across All Stages of CKD and Levels of Albuminuria: Evidence from the SMART-C Meta-Analysis

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  • SGLT2 inhibitors reduced the risk of chronic kidney disease (CKD) progression by 38% (HR 0.62), with benefits consistent across all stages of kidney function.
  • Significant renoprotection was observed even in patients with Stage 4 CKD (eGFR <30 mL/min/1.73 m2) and those with minimal albuminuria (UACR ≤30 mg/g).
  • The therapy slowed the annual rate of eGFR decline and reduced the risk of kidney failure by 34%, independent of diabetes status.
  • Results support the routine use of SGLT2 inhibitors as a foundational therapy for kidney protection across a much broader patient population than previously established.

Background: The Evolution of Renoprotection

SGLT2 Inhibitors Protect Kidneys Across the Spectrum: Benefits Even in Stage 4 CKD and Minimal Albuminuria

Highlights

– Meta-analysis of 10 randomized placebo-controlled trials (SMART‑C; n=70,361) finds SGLT2 inhibitors lower CKD progression by ~38% (HR 0.62) and kidney failure by ~34% (HR 0.66).

– Benefits were consistent across baseline eGFR categories including eGFR <30 mL/min/1.73 m2 (stage 4 CKD) and across UACR ranges including normoalbuminuria (≤30 mg/g).

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