Kidney Outcomes with Sodium-Glucose Cotransporter-2 Inhibitor Initiation after AKI among Veterans with Diabetic Kidney Disease
KIDNEY360(2024)
摘要
Background The effect of sodium-glucose cotransporter-2 inhibitor (SGLT2i) on kidney function after AKI is unknown. Methods The study population was drawn from a retrospective cohort of Veterans with diabetes mellitus type 2 (DM2) and proteinuria. The study exposure was time-varying use of SGLT2i after an index AKI hospitalization. The two study outcomes were time to (1) a sustained decrease in eGFR over at least 3 months to <60 ml/min per 1.73 m(2) and >= 30% below a post-AKI-updated eGFR and (2) recurrent hospitalization with AKI. AKI was defined as a rise in serum creatinine concentration to >= 50% above a moving outpatient creatinine baseline. DM2 was defined by >= 2 billing codes related to DM2 before the index AKI; proteinuria was defined by the most recent albuminuria, proteinuria, or urinalysis test. Veterans were required to have a baseline eGFR and an eGFR 3-12 months after the index AKI hospitalization >= 30 ml/min per 1.73 m(2). Results Ten thousand thirty-six Veterans met study inclusion criteria. Two thousand seven hundred and ninety-four (28%) received a SGLT2i. Seven hundred and seventy-five (8%) had CKD progression, and 1816 (18%) had recurrent AKI over a median follow-up of 1.8 and 1.7 years, respectively, which began 1 year after the index AKI hospitalization. SGLT2i use was associated with lower risk for CKD progression (adjusted hazard ratio 0.72 [95% confidence interval, 0.57 to 0.91]) and for recurrent AKI (adjusted hazard ratio 0.75 [95% confidence interval, 0.65 to 0.88]). Conclusions SGLT2i use was associated with a lower risk for CKD progression and for recurrent AKI among those with diabetic kidney disease and recent AKI.
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关键词
AKI,diabetes mellitus,SGLT2
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