ArticleJournal of anesthesia2026
Intraoperative oliguria modifies the association between cardiac power index and postoperative acute kidney injury: a retrospective cohort study.
Article in Journal of anesthesia, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Interpreting perioperative oliguria during sevoflurane anesthesia: excretory physiology, fluid responsiveness, and renal endpoints.Journal of anesthesia · 2026Review
- In reply: Intraoperative oliguria modifies the association between cardiac power index and postoperative acute kidney injury: a retrospective cohort study.Journal of anesthesia · 2026Article
- Comment on "Intraoperative oliguria modifies the association between cardiac power index and postoperative acute kidney injury: a retrospective cohort study".Journal of anesthesia · 2026Article
- Pathological triad of perioperative acute kidney injury: renal microcirculatory hypoxia, mitochondrial damage, and immuno-metabolic reprogramming.Frontiers in immunology · 2026Review
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3 authors.
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Abstract
purposePostoperative acute kidney injury (AKI) is common and associated with adverse outcomes. Intraoperative hypotension and oliguria are risk factors, yet management remains mean arterial pressure (MAP)‑centric. Cardiac power index (CPI) may capture pressure-flow conditions, and its association with AKI may depend on intraoperative urine output.
methodsWe analyzed 814 adults undergoing non‑cardiac surgery with FloTrac™ monitoring. AKI was defined by the KDIGO creatinine criteria. The main predictors were CPI0.4_AUT, the time-integrated deficit of CPI below 0.40 W/m
resultsAKI occurred in 59 patients (7.2%). Without the interaction term, CPI0.4_AUT was not statistically significant at the 0.05 level (adjusted odds ratio [aOR] 1.02, 95% confidence interval [CI] 1.00-1.04, P = 0.10). With the interaction, CPI0.4_AUT was significantly associated with AKI (aOR 1.05, 95% CI 1.02-1.08, P = 0.004), and the CPI0.4_AUT × urine‑output term also reached significance (aOR 0.97, 95% CI 0.93-0.99, P = 0.03). Average marginal effects showed that higher CPI0.4_AUT was associated with a higher predicted AKI probability at low urine output (< 0.8 mL/kg/h), but this association was minimal when urine output was ≥ 0.9 mL/kg/h.
conclusionsLow intraoperative CPI with oliguria was associated with a higher predicted probability of AKI, whereas the CPI‑AKI association weakened with increased urine output. Integrating CPI and urine output may help characterize hemodynamic management beyond MAP‑centric management.
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