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One of the most common adverse events after treatment of severe odontogenic infections is the need for a second procedure. The identification of risk factors for reoperation could help surgeons predict the need for reoperation or even tailor treatment to avoid this complication altogether. The purpose of this study was to identify risk factors associated with reoperation in patients hospitalized with odontogenic infections. We designed a retrospective cohort study from an eligible population of all patients treated at our institution for an odontogenic infection with incision and drainage under general anesthesia from August 1, 2015, to June 30, 2019. The primary outcome variable was a return to the operating room because of treatment failure. The potential predictor variables included demographic characteristics, history or physical examination findings from admission, admission laboratory values, initial computed tomography results, and medications provided during treatment. Statistical analysis was performed using the χ2 test and logistic regression, and from these results, a multiple logistic regression model was created. A total of 223 patients were included in the study. Men comprised 50.7% of the study population, and the average age was 38.9 ± 13.3 years. The mean number of involved spaces was 2.6 ± 1.7 spaces. Reoperation was performed in 25 patients (11.2%). In the adjusted model, an increased number of involved spaces (odds ratio [OR], 1.9; 95% confidence interval [CI], 1.3 to 2.7) and increased age (OR, 1.05; 95% CI, 1.004 to 1.09) were associated with increased odds of reoperation, and antibiotic therapy with a penicillin-type antibiotic (OR, 0.1; 95% CI, 0.04 to 0.5) and dexamethasone use (OR, 0.9; 95% CI, 0.8 to 0.98) were negatively associated with reoperation. Further studies could be directed at determining whether certain timing or dosing regimens of dexamethasone could be helpful in reducing adverse outcomes in patients with odontogenic infections or determining feasible strategies when penicillin allergies are reported. Copyright © 2020 American Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved.


Brian J Christensen, Dylan Racha, Ryan Hinkle, Mishaun Sahebi. Risk Factors for Reoperation in Patients Hospitalized for Odontogenic Infections. Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons. 2021 Jan;79(1):141-151

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PMID: 32717213

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