Cardiothoracic & vascular anesthesia

Preoperative SGLT2i therapy and acute kidney injury in patients undergoing emergency and urgent coronary artery bypass grafting - A causal inference framework

J Clin AnesthPublished Retrospective cohort study

Main findingResult — go to the resultRelative risk 0.63 95 % CI 0.44–0.91

Authors' conclusion

Preoperative SGLT2i use was associated with a significantly lower risk of CSA-AKI in patients undergoing urgent or emergent CABG.

Study context

Population
Adults undergoing urgent or emergent isolated coronary artery bypass grafting (CABG) with an indication for SGLT2i (type 2 DM, HF with reduced ejection fraction, or CKD), Medical University of Graz, 2020–2024
Participants
484 adults
Exposure
Preoperative SGLT2i use vs no use
  • SGLT2i usersn = 135
Outcome
Cardiac surgery-associated acute kidney injury (AKI) (CSA-AKI) by KDIGO criteria
Methodological detailssingle-centre, entropy balancing
  • Single-centre
  • Entropy balancing

Main finding

As reported in the abstract

Relative risk

0.63

95 % CI 0.44–0.91

P = 0.014

By group

SGLT2i users vs Non-users
RR 0.63 (95 % CI 0.44–0.91); P = 0.014

Observational data: associations, not effects.

Secondary outcomes

Cardiac surgery-associated AKI (CSA-AKI) in HF with reduced ejection fraction and high EuroSCORE II (subgroups)

Association pronounced in patients with HF with reduced ejection fraction and those with high EuroSCORE II

Other secondary endpoints (RRT, ICU LOS, 30-day mortality)

No differences observed

Safety

Postoperative diabetic ketoacidosis

No cases occurred

Original publication

Preoperative SGLT2i therapy and acute kidney injury in patients undergoing emergency and urgent coronary artery bypass grafting - A causal inference framework. J Clin Anesth. Published 15 December 2025. doi:10.1016/j.jclinane.2025.112103

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