Prolonged Hyperglycemia and Renal Failure after Primary Percutaneous Coronary Intervention.

Cardiorenal Med

Department of Cardiology, Tel Aviv Sourasky Medical Center affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel,

Published: June 2019

Background: There are limited data regarding the effect of long-standing hyperglycemia on the occurrence of acute kidney injury (AKI) in ST segment elevation myocardial infarction (STEMI) patients undergoing primary percutaneous coronary intervention (PCI).

Methods: We retrospectively studied 723 STEMI patients undergoing primary PCI. Patients were stratified into two groups according to glycated hemoglobin (HbA1c) levels as a marker of prolonged hyperglycemia: those with HbA1c < 7% and those with HbA1c ≥7%. Medical records were reviewed for the occurrence of AKI.

Results: HbA1c levels ≥7% were found in 225/723 (31%) of patients. The occurrence of AKI was significantly higher among patients with HbA1c levels ≥7% (32/225, 14%) compared to patients with HbA1c levels < 7% (32/498, 6%; p = 0.001). Patients with chronic kidney disease (CKD) and HbA1c ≥7% had an eight-fold increase in the incidence of AKI compared to patients with HbA1c < 7% and no CKD (32 vs. 4%). In a multivariable regression model, HbA1c ≥7% was independently associated with AKI (OR 1.92, 95% CI 1.09-3.36, p = 0.02).

Conclusion: HbA1c ≥7% was associated with a higher likelihood of AKI in STEMI patients treated with primary PCI.

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http://dx.doi.org/10.1159/000495704DOI Listing

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