• Hui Yu, Ting Yang, and Dongsong Liu.
• Department of Emergency Medicine, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China.
• J. Investig. Med. 2024 Oct 24: 1081558924129021010815589241290210.

AbstractThe occurrence of sepsis-associated acute kidney injury (SA-AKI) predicts a worse prognosis. We aimed to assess the impact of acetaminophen use on short-term mortality in patients with SA-AKI. A total of 6563 patients diagnosed with SA-AKI from the 2008 to 2019 Medical Information Mart for Intensive Care IV (MIMIC-IV) database were enrolled in this retrospective cohort study. The Cox regression model was utilized to analyze the associations of acetaminophen with 30-day mortality and in-hospital mortality. Additional propensity score matching (PSM) analysis was performed regarding patients with acetaminophen use versus those without. Of these patients, 30-day mortality occurred in 1421 (21.65%) patients and in-hospital mortality in 1246 (18.99%) patients. Patients who used acetaminophen were associated with a reduced risk of 30-day mortality (hazard ratio (HR) = 0.80, 95% confidence interval (CI): 0.71-0.90) and in-hospital mortality (HR = 0.72, 95% CI: 0.63-0.82). The PSM analysis demonstrated that acetaminophen use was still related to a reduced risk of 30-day mortality and in-hospital mortality. Subgroup analysis showed that the relationships between acetaminophen and 30-day mortality and in-hospital mortality were consistent across subgroups (p < 0.05). The use of acetaminophen has an association with lower short-term mortality in patients with SA-AKI.

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