• Florian Reizine, Karim Asehnoune, Antoine Roquilly, Bruno Laviolle, Chloé Rousseau, Matthieu Arnouat, Claire Dahyot-Fizelier, and Philippe Seguin.
• CHU Rennes, Service de Réanimation Chirurgicale, Hôpital Pontchaillou, 2 rue Henri Le Guilloux, Rennes 35000, France.
• J Crit Care. 2019 Apr 1; 50: 221-226.

PurposeTo investigate the role of antibiotic prophylaxis (AP) in the incidence of ventilator-associated pneumonia (VAP) in patients suffering from traumatic brain injury (TBI).Materials And MethodsThis post hoc analysis was conducted based on data from 2 multicentre double-blind studies that aimed to prevent VAP using hydrocortisone or povidone iodine. Data from TBI patients were extracted and pooled. Patients were classified into 2 groups: those who received an AP (AP group) and those who did not (control group).Results295 patients were included (AP group, n = 146; control group, n = 149). The incidence of VAP was 145 (49%). VAP incidence was lower in the AP group (39% vs 59%, Relative Risk = 0.33, 95%CI, 0.19-0.56, p = 0.001). Time to VAP occurrence was delayed (Hazard Ratio = 0.50, 95%CI 0.36-0.69, p < 0.001). The incidence of early VAP (>2 and ≤ 5 days) was lower in the AP group (10% vs 32%; p < 0.001), whereas that of late VAP (>5 days) did not differ (AP group 29% vs control group 28%; p = 0.811). Length of stay and mortality did not differ between the 2 groups.ConclusionsEarly use of AP delayed and may prevent the occurrence of VAP in severe TBI patients but did not change length of stay or mortality.Copyright © 2018 Elsevier Inc. All rights reserved.

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