• Parth Kothari, Jose A Canseco, Brian A Karamian, Paul D Minetos, Hareindra Jeyamohan, Daniel R Bowles, Jennifer Z Mao, Stephen L DiMaria, William Conaway, KayeI DavidID, Barrett I Woods, Mark F Kurd, Jeffrey A Rihn, D Greg Anderson, Alan S Hilibrand, Christopher K Kepler, Alexander R Vaccaro, and Gregory D Schroeder.
• Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, PA.
• Spine. 2021 Nov 15; 46 (22): 1581-1587.

Study DesignRetrospective cohort study.ObjectiveThe aim of this study was to investigate the differences in Medicare reimbursement for one- to three-level lumbar decompression procedures performed at a tertiary referral center versus an orthopedic specialty hospital (OSH).Summary Of Background DataLumbar decompression surgery is one of the most commonly performed spinal procedures. Lumbar decompression also comprises the largest proportion of spinal surgery that has transitioned to the outpatient setting.MethodsPatients who underwent a primary one- to three- level lumbar decompression were retrospectively identified. Reimbursement data for a tertiary referral center and an OSH were compiled through Centers for Medicare and Medicaid Services. Demographic data, surgical characteristics, and time cost data were collected through chart review. Multivariate regression models were used to determine independent factors associated with total episode of care cost, operating room (OR) time, procedure time, and length of stay (LOS), and to determine independent predictors of having the decompression performed at the OSH.ResultsTotal episode of care, facility, and non-facility payments were significantly greater at the tertiary referral center than the OSH, as were OR time for one- to three-level procedures, procedure time of all pooled levels, and LOS for one- and two-level procedures. Three-level procedure was independently associated with increased OR time, procedure time, and LOS. Age and two-level procedure were also associated with increased LOS. Procedure at the OSH was associated with decreased OR time and LOS. Charlson Comorbidity Index was a negative predictor of decompression being performed in the OSH setting.ConclusionSignificant financial savings to health systems can be expected when performing lumbar decompression surgery at a specialty hospital as opposed to a tertiary referral center. Patients who are appropriate candidates for surgery in an OSH can in turn expect faster perioperative times and shorter LOS.Level of Evidence: 3.Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.

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