• World Neurosurg · Sep 2020

    Comparative Study

    Comparison of Costs and Postoperative Outcomes between Vertebroplasty and Kyphoplasty for Osteoporotic Vertebral Compression Fractures: Analysis from a State-Level Outpatient Database.

    • Mohammed Ali Alvi, Jad Zreik, Yagiz U Yolcu, Anshit Goyal, Dong Kun Kim, David F Kallmes, Brett A Freedman, and Mohamad Bydon.
    • Mayo Clinic Neuro-Informatics Laboratory, Department of Neurologic Surgery; Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
    • World Neurosurg. 2020 Sep 1; 141: e801-e814.

    BackgroundVertebral cement augmentation techniques are routinely used to treat osteoporotic vertebral compression fractures (VCFs). In the current study, we used a state-level outpatient database to compare costs and postoperative outcomes between vertebroplasty and kyphoplasty.MethodsWe queried the 2016 Florida State-Ambulatory Surgery Database of the Healthcare Cost and Utilization Project for patients undergoing thoracolumbar vertebroplasty or kyphoplasty for osteoporotic VCFs. Demographic and clinical characteristics, as well as postoperative outcomes were compared between the 2 groups.ResultsA total of 105 patients (11.6%) who underwent vertebroplasty and 801 patients (88.4%) who underwent kyphoplasty were identified. Patients undergoing kyphoplasty were more likely to stay overnight or longer, with the P value trending toward significance (kyphoplasty with >1 day stay: 7.4% vs. vertebroplasty with >1 day stay: 1.9%; P = 0.086). Patients undergoing vertebroplasty had a significantly higher rate of discharge to home routine compared with patients undergoing kyphoplasty (97.1% [n = 102] vs. 94.1% [n = 754]; P < 0.001). Undergoing kyphoplasty was also associated with higher index admission costs ($40,706 vs. $18,965; P < 0.001) and higher readmission costs ($27,038 vs. $11,341; P = 0.046). The rates of 30-day and 90-day readmission were similar between the 2 groups (all P > 0.05). The rates of 30-day, 90-day, and overall readmission because of a new-onset fracture were also similar (all P > 0.05). However, vertebroplasty had a higher rate of readmissions associated with a procedure within a year (21.9% [n = 23] vs. 14.5% [n = 116]; P = 0.047).ConclusionsOur analyses from a state-level database of patients undergoing vertebroplasty and kyphoplasty for osteoporotic VCFs show similar postoperative outcomes for the 2 procedures but a higher cost for kyphoplasty.Copyright © 2020 Elsevier Inc. All rights reserved.

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