Cohort Studymoderate evidence
Association of Intraoperative Narrow Pulse Pressure during Normotension with Postoperative Acute Kidney Injury: A Retrospective Cohort Analysis.
Anesthesiology·July 17, 2026·PMID 42479566
Why it mattersIntraoperative hemodynamic monitoring often focuses on mean arterial pressure, but this study suggests that narrow pulse pressure may indicate low-flow states and occult hypoperfusion, increasing AKI risk despite apparently adequate MAP. This challenges the sufficiency of MAP-guided care alone.
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