• Mirjana Cihoric, Henrik Kehlet, Morten L Lauritsen, Jakob Højlund, Katrine Kanstrup, Sofia Kärnsund, and Nicolai B Foss.
• Department of Anaesthesiology and Intensive Care Medicine, Hvidovre University Hospital, Copenhagen, Denmark.
• Br J Surg. 2024 Jul 2; 111 (7).

BackgroundPatients undergoing emergency laparotomy present with a profound inflammatory response, which could be an independent pathophysiological component in prolonged recovery. The aim of this study was to investigate the effects of a single preoperative high dose of intravenous dexamethasone on the inflammatory response and recovery after emergency laparotomy.MethodsIn this double-blinded placebo-controlled trial, patients were prospectively stratified according to surgical pathology (intestinal obstruction and perforated viscus) and randomized to preoperative 1 mg/kg dexamethasone or placebo at a ratio of 1 : 1. The primary outcome was C-reactive protein on postoperative day 1. Secondary outcomes were postoperative recovery, morbidity, and mortality.ResultsA total of 120 patients were included in the trial. On postoperative day 1, the C-reactive protein response was significantly lower in the dexamethasone group (a median of 170 versus 220 mg/l for dexamethasone and for placebo respectively; P = 0.015; mean difference = 49 (95% c.i. 13 to 85) mg/l) and when stratified according to intestinal obstruction (a median of 60 versus 160 mg/l for dexamethasone and for placebo respectively; P = 0.002) and perforated viscus (a median of 230 versus 285 mg/l for dexamethasone and for placebo respectively; P = 0.035). Dexamethasone administration was associated with improved recovery (better haemodynamics, better pulmonary function, less fatigue, and earlier mobilization). Furthermore, the dexamethasone group had a lower 90-day mortality rate (7% versus 23% for dexamethasone and for placebo respectively; relative risk 0.33 (95% c.i. 0.11 to 0.93); P = 0.023) and a decreased incidence of postoperative major complications (27% versus 45% for dexamethasone and for placebo respectively; relative risk 0.62 (95% c.i. 0.37 to 1.00); P = 0.032).ConclusionA single preoperative high dose of intravenous dexamethasone significantly reduces the inflammatory response after emergency laparotomy and is associated with enhanced recovery and improved outcome.Registration NumberNCT04791566 (http://www.clinicaltrials.gov).© The Author(s) 2024. Published by Oxford University Press on behalf of BJS Foundation Ltd. All rights reserved. For commercial re-use, please contact reprints@oup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink service via the Permissions link on the article page on our site—for further information please contact journals.permissions@oup.com.

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