Therapeutic Mastoidectomy Does Not Increase Postoperative Complications in the Management of the Chronic Ear.

Objective: Tympanoplasty with or without concurrent therapeutic mastoidectomy is a controversial topic in the management of chronic ear disease. We sought to describe whether there is a significant difference in postoperative complications. Study Design: Retrospective cohort study. Setting: American College of Surgeons National Surgical Quality Improvement Program public files. Patients: Current procedural terminology codes were used to identify patients with chronic ear disease undergoing tympanoplasty +/- concurrent mastoidectomy in the 2011 to 14 American College of Surgeons National Surgical Quality Improvement Program files. Intervention: Therapeutic. Main Outcome Measures: Variables were compared with [chi]2, Fischer's exact, and Mann-Whitney U tests, as appropriate to analyze postoperative complications between tympanoplasty with or without concurrent mastoidectomy. To account for confounding factors, presence of a complication was analyzed in binary logistic regression. Analysis considered sex, hypertension, obesity, advanced age, diabetes, smoking status, American Society of Anesthesiologists Physical status, procedure. Results: There were 4,087 patients identified meeting criteria (tympanoplasty = 2,798, tympanomastoidectomy = 1,289). There was no statistical difference in postoperative complications (tympanoplasty n = 49 [1. 8%], tympanomastoidectomy n = 33 [2. 6%]; p = 0. 087) or return to the operating room (tympanoplasty = 4 [0. 1%], tympanomastoidectomy = 6 [0. 5%]; p = 0. 082). Binary logistic regression demonstrated smoking as a predictor of a postoperative complication (OR: 1. 758, 95% CI: 1. 084-2. 851; p = 0. 022), while concurrent mastoidectomy did not significantly increase the risk of complication (OR: 1. 440, 95% CI: 0. 915-2. 268; p = 0. 115). There was a significant difference in mean operative time between tympanoplasty and tympanomastoidectomy: 85.7 versus 154.23 min, p

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