• Christopher L McDonald, Rodrigo Saad Berreta, Daniel Alsoof, George Anderson, Michael J Kutschke, Bassel G Diebo, Eren O Kuris, and Alan H Daniels.
• Department of Orthopaedic Surgery, Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA.
• World Neurosurg. 2023 Mar 1; 171: e714e721e714-e721.

BackgroundThree-column osteotomy (3-CO) is a powerful tool for spinal deformity correction but has been associated with substantial risk and surgical invasiveness. It is incompletely understood how frailty might affect patients undergoing 3-CO.MethodsThe PearlDiver database was used to examine spinal deformity patients with a diagnosis of frailty who had undergone 3-CO. Frail and nonfrail patients were matched, and the revision surgery rates, complications, and hospitalization costs were calculated. Logistic regression was used to account for possible confounding variables. Of the 2871 included patients, 1460 had had frailty and 1411 had had no frailty.ResultsThe frail patients were older, had had more comorbidities (P < 0.001), and were more likely to have undergone posterior interbody fusion (P < 0.05), without differences in the anterior interbody fusion rates. No differences were found in the reoperation rates for ≤5 years. At 30 days, the frail patients were more likely to have experienced acute kidney injury (P = 0.018), bowel/bladder dysfunction (P = 0.014), cardiac complications (P = 0.006), and pneumonia (P = 0.039). At 2 years, the frail patients were also more likely to have experienced bowel/bladder dysfunction (P = 0.028), cardiac complications (P < 0.001), deep vein thrombosis (P = 0.027), and sepsis (P = 0.033). The cost for the procedures was also higher for the frail patients than for the nonfrail patients ($24,544.79 vs. $21,565.63; P = 0.043).ConclusionsWe found that frail patients undergoing 3-CO were more likely to experience certain medical complications and had had higher associated costs but similar reoperation rates compared with nonfrail patients. Careful patient selection and surgical strategy modification might alter the risks of medical and surgical complications after 3-CO for frail patients.Copyright © 2022 Elsevier Inc. All rights reserved.

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