• Ann. Thorac. Surg. · May 2018

    Evaluation of Prophylactic Antibiotic Use for Delayed Sternal Closure After Cardiothoracic Operation.

    • Jamie L Eckardt, Matthew R Wanek, Chiedozie I Udeh, Elizabeth A Neuner, Thomas G Fraser, Tamer Attia, and Eric E Roselli.
    • Department of Pharmacy, Cleveland Clinic, Cleveland, Ohio.
    • Ann. Thorac. Surg. 2018 May 1; 105 (5): 1365-1369.

    BackgroundClinical practice guidelines provide recommendations for surgical prophylaxis in patients undergoing cardiothoracic procedures. However, currently no recommendations guide the management of antibiotic prophylaxis in patients who require delayed sternal closure after cardiothoracic operation.MethodsThis is a single-center, retrospective analysis. Data were extracted from The Society of Thoracic Surgery database and electronic medical record from July 2011 through January 2016. Patients included are adults (≥18 years old) after cardiothoracic operation with delayed sternal closure.ResultsA total of 167 patients were included for analysis. The majority of patients (131, 78.4%) were continued on routine antibiotics and 36 patients (21.6%) were switched to broad-spectrum antibiotics for prophylaxis. Of patients on routine antibiotic prophylaxis, 6 (4.6%) experienced a sternal surgical site infection, whereas 3 patients (8.3%) switched to broad-spectrum agents before chest closure experienced a sternal surgical site infection (p = 0.407). Eleven patients (6.6%) received an abbreviated duration of antibiotics, 52 patients (31.1%) were continued on antibiotics until the time of sternal closure, and 104 patients (62.3%) were continued on antibiotics past the time of sternal closure. The incidence of infection based on duration of prophylactic antibiotic was 0, 1 (1.9%), and 8 (7.7%), respectively (p = 0.352).ConclusionsSubstantial variation was found in the duration and selection of antibiotic prophylaxis for patients with delayed sternal closure after cardiothoracic operation. Broad-spectrum antimicrobial agents and extended durations of antibiotic prophylaxis were not associated with benefits in the incidence of sternal wound infection and may increase the risk of adverse effects.Copyright © 2018 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.

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