• Sima Vazquez, Jose F Dominguez, Victor M Lu, Vignessh Kumar, Sumedh Shah, G Damian Brusko, and Allan D Levi.
• School of Medicine, New York Medical College, Valhalla, New York, USA. Electronic address: svazquez6@student.nymc.edu.
• World Neurosurg. 2024 Jul 1; 187: e494e500e494-e500.

BackgroundHigh volume (HV) has been associated with improved outcomes in various neurosurgical procedures. The objective of this study was to explore the regional distribution of HV spine centers for cervical spine fusion and compare characteristics and outcomes for patients treated at HV centers versus lower volume centers.MethodsThe National Inpatient Sample database 2016-2020 was queried for patients undergoing cervical spine fusion for degenerative pathology. HV was defined as case-loads greater than 2 standard deviations above the mean. Patient characteristics, procedures, and outcomes were compared.ResultsOf 3895 hospitals performing cervical spine fusion for degenerative pathology, 28 (0.76%) were HV. The Mid-Atlantic and West South Central regions had the highest number of HV hospitals. HV hospitals were more likely to perform open anterior fusion surgeries (P < 0.01). Patients treated at HV hospitals were less likely to have severe symptomatology or comorbidities (P < 0.01 for all). When controlling for severity and demographics on multivariate analysis, HV centers had higher odds of length of stay ≤1 day, favorable discharge, and decreased total charges.ConclusionsPatients who underwent cervical spine fusion surgery at HV hospitals were less complex and had increased odds of length of stay ≤1, favorable discharge, and total charges in the lower 25th percentile than patients treated at non-HV hospitals. Physician comfort, patient selection, institutional infrastructure, and geographic characteristics likely play a role.Copyright © 2024 Elsevier Inc. All rights reserved.

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