Does Hospital Volume Affect Outcomes in Patients Undergoing Vestibular Schwannoma Surgery?.

Objective: To determine the effect of hospital surgical case volume on the outcomes of vestibular schwannoma surgery. Study Design: Retrospective case review. Setting: University HealthSystem Consortium member hospitals (includes nearly every US academic medical center). Patients: Three thousand six hundred ninety-seven patients who underwent vestibular schwannoma resection over a 3-year timespan (2012-2015) grouped by race, age, comorbidities, payer, and sex. Intervention: Surgical resection of vestibular schwannoma. Main Outcome Measures: Morbidity and mortality following vestibular schwannoma excision are compared by hospital volume (low, medium, and high) including deciles. Results: There was significantly longer length of stay (p

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