• World Neurosurg · May 2023

    Morbid obesity increases length of surgery in elective anterior cervical discectomy and fusion procedures but not readmission or reoperation rates: A cohort study.

    • Evan G Gross, Nicholas M B Laskay, James Mooney, McLeodM ChandlerMCDepartment of Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA., Travis J Atchley, Dagoberto Estevez-Ordonez, and Jakub Godzik.
    • Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA.
    • World Neurosurg. 2023 May 1; 173: e830e837e830-e837.

    BackgroundAs the obesity epidemic grows, the number of morbidly obese patients undergoing anterior cervical discectomy and fusion (ACDF) continues to increase. Despite the association of obesity with perioperative complications in anterior cervical surgery, the impact of morbid obesity on ACDF complications remains controversial, and studies examining morbidly obese cohorts are limited.MethodsA single-institution, retrospective analysis of patients undergoing ACDF from September 2010 to February 2022 was performed. Demographic, intraoperative, and postoperative data were collected via review of the electronic medical record. Patients were categorized as nonobese (body mass index [BMI] <30), obese (BMI 30-39.9), or morbidly obese (BMI ≥40). Associations of BMI class with discharge disposition, length of surgery, and length of stay were assessed using multivariable logistic regression, multivariable linear regression, and negative binomial regression, respectively.ResultsThe study included 670 patients undergoing single-level or multilevel ACDF: 413 (61.6%) nonobese, 226 (33.7%) obese, and 31 (4.6%) morbidly obese patients. BMI class was associated with prior history of deep venous thrombosis (P < 0.01), pulmonary thromboembolism (P < 0.05), and diabetes mellitus (P < 0.001). In bivariate analysis, there was no significant association between BMI class and reoperation or readmission rates at 30, 60, or 365 days postoperatively. In multivariable analysis, greater BMI class was associated with increased length of surgery (P = 0.03), but not length of stay or discharge disposition.ConclusionsFor patients undergoing ACDF, greater BMI class was associated with increased length of surgery, but not reoperation rate, readmission rate, length of stay, or discharge disposition.Copyright © 2023 Elsevier Inc. All rights reserved.

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