ArticleJournal of atherosclerosis and thrombosis2025
L-Shaped Association of 24-Hour Urine Output with 3-Month and 1-Year All-Cause Mortality in Patients with Acute Pulmonary Embolism: A Retrospective Cohort Study.
Article in Journal of atherosclerosis and thrombosis, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
aimTo explore the prognostic value of the first 24-h urine output (UO) after admission in patients with acute pulmonary embolism (APE) in the intensive-care unit (ICU) for short- and long-term all-cause mortality risk.
methodsThis retrospective cohort study used the MIMIC-IV database. Patients with APE were divided into 4 teams (T1-T4) by their first 24-h UO after admission: T1 (UO ≤ 400 ml), T2 (400＜UO ≤ 800 ml ), T3 (800＜UO ≤ 2500 ml), and T4 (UO＞2500 ml). The primary endpoints were the three-month and one-year all-cause mortality rates. The relationship between UO and mortality was assessed using Kaplan-Meier survival curves and Cox proportional hazards models.
resultsThis study included 2012 patients with APE, of whom 50.75% were female. Compared to the T3 group, patients in the T1 and T2 groups had higher all-cause mortality rates. Kaplan-Meier survival curves showed that patients in the T1 and T2 groups had a higher risk of death, while those in the T4 group seemed to have a lower risk of death (P＜0.001). The results remained stable in all three adjusted models and subgroup analyses. A restricted cubic spline analysis (RCS) revealed that the risk of all-cause mortality gradually decreased with an increase in UO, showing an "L"-shaped relationship. A UO of ＜1283 ml increased the risk of death in patients. Subgroup analysis indicated that the first 24-h UO was associated with 3-month and 1-year all-cause mortality rates in most subgroups of patients.
conclusionsThe first 24-h UO after admission is an important indicator for the prognosis of APE patients. A lower 24-h UO is strongly related to a higher risk of short-term and long-term all-cause mortality in ICU patients with APE.
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