Proton Pump Inhibitor Use and Worsening Kidney Function: A Retrospective Cohort Study Including 122,606 Acid-Suppressing Users
Resumen: Background: The impact of proton pump inhibitors (PPIs) use on worsening renal function is controversial and lacks a solid pathophysiological explanation. Objective: To assess the risk of worsening renal function and acute kidney injury (AKI) in PPI initiators as compared with H2-blockers initiators. Design: Retrospective cohort study using longitudinal records from BIGAN, a population-based health database of Aragón (Spain). Participants:
PPIs (n = 119,520) and H2-blockers (n = 3,086) initiators between 2015 and 2020 with preserved renal function. They were followed until the occurrence of an adverse kidney event, death, lost to follow-up or June 2021.
Main measures: Primary endpoints were worsening kidney function (measured as sCr ≥ 2 times baseline, eGFR < 60 ml/min/1.73m2, a decrease in eGFR 30–50% from baseline or end stage renal disease) and AKI (measured by Aberdeen algorithm or hospitalization due to AKI). Incidence rates (IRs) per 1,000 persons-years were reported and Cox regression was used to calculate Hazard ratios (HRs), adjusted for confounders. Key results: Crude IRs for worsening kidney function were consistently lower for ranitidine than for PPIs (eGFR < 60 ml/min/1.73m2: IR 18.7 95%CI (12.0–27.8) for ranitidine, IR 31.2 95%CI (29.9–32.5) for omeprazole). However, the risk of incident worsening function did not significantly differ in the Cox regression analysis adjusting for confounders (HR 0.99 95%CI (0.66–1.48) for omeprazole, as compared to ranitidine). PPI initiators consistently showed lower IRs of AKI using Aberdeen algorithm (IR 33.8 95%CI (32.4–35.1) for omeprazole, IR 52.8 95%CI (40.9–67.1) for ranitidine) and lower risk of AKI (HR 0.54 95%CI (0.42–0.70) for omeprazole, as compared to ranitidine). Conclusions: No clinically relevant differences were observed for worsening kidney function between PPIs and H2-blockers initiators. PPIs users presented a reduced risk of AKI compared to ranitidine initiators. Graphical Abstract: AKI: acute kidney injury. eGFR: estimated glomerular filtrate rate. H2-blocker: Histamine 2 receptor antagonist. PPI: proton pump inhibitor. sCr: serum creatinine.

Idioma: Inglés
DOI: 10.1007/s11606-024-09213-8
Año: 2024
Publicado en: JOURNAL OF GENERAL INTERNAL MEDICINE 40 (2024), 818-827
ISSN: 0884-8734

Factor impacto JCR: 4.2 (2024)
Categ. JCR: MEDICINE, GENERAL & INTERNAL rank: 42 / 332 = 0.127 (2024) - Q1 - T1
Categ. JCR: HEALTH CARE SCIENCES & SERVICES rank: 25 / 185 = 0.135 (2024) - Q1 - T1

Factor impacto SCIMAGO: 1.992 - Internal Medicine (Q1)

Tipo y forma: Article (Published version)
Área (Departamento): Area Medicina (Dpto. Medicina, Psiqu. y Derm.)

Creative Commons You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.


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