• Joshua Loewenstern, Remi A Kessler, and John Caridi.
• Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, New York, USA. Electronic address: joshua.loewenstern@icahn.mssm.edu.
• World Neurosurg. 2019 Jan 1; 121: e792-e797.

BackgroundThoracic vertebral fracture repair after a traumatic injury can be associated with significant risk for postoperative complications. Surgical outcomes are further complicated by patient comorbidity, particularly diabetes mellitus. This study compared outcomes and complication rates for traumatic thoracic vertebral fracture repair in a matched sample of patients with diabetes and nondiabetic control subjects.MethodsPatients with a surgical repair of a trauma-induced thoracic vertebral fracture treated from 2010 to 2015 were identified from the Trauma Quality Improvement Program database, yielding 5557 cases. Patients with comorbid diabetes were matched by propensity score matching (PSM) with patients without diabetes on age, race, and body type and were compared by postoperative complications and clinical outcomes.ResultsPrior to PSM, the diabetes group was older on average and had a greater proportion of patients who were obese (Ps < 0.001). After PSM, each group consisted of 544 patients (N = 1088) and no longer differed by any baseline characteristic. Comorbid diabetes was associated with longer average length of hospital stay and greater frequency of several major and minor postoperative complications (Ps < 0.05), including prolonged intensive care, pneumonia, acute renal failure, stroke, pressure ulcers, and urinary tract infections, but no differences were found in reoperation rates or in-hospital mortality.ConclusionsDiabetes comorbidity can significantly increase the risk of postoperative complications after traumatic thoracic vertebral fracture repair, which may lead to delayed recovery and greater health care-related costs. This finding is an important consideration for surgical decision-making and patient counseling on treatment options with this comorbid condition.Copyright © 2018 Elsevier Inc. All rights reserved.

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