• Tung-Yi Lin, Yung-Chuan Liu, Ying-Chih Wang, Chia-Wei Chang, Chak-Bor Wong, and Tsai-Sheng Fu.
• Department of Orthopedic Surgery, Chang Gung Memorial Hospital, Keelung Branch, and Chang Gung University, Keelung, Taiwan. Electronic address: ross_1222@hotmail.com.
• World Neurosurg. 2020 Sep 1; 141: e266-e270.

BackgroundAlthough the majority of available evidence suggests that vertebroplasty and kyphoplasty (KP) can relieve pain associated with vertebral compression fractures (VCFs) and improve function, evidence of clinical and radiographic outcome in highly viscous cement vertebroplasty (HVC) or KP for the treatment of VCFs is limited. The purpose of this study was to compare the clinical effects between HVC and KP in the treatment of single-level osteoporotic VCFs including radiographic and clinical outcomes.MethodsFrom January 2017 to October 2018, 96 patients with single-level osteoporotic vertebral compression fracture who had undergone either KP or HVC surgery at our hospital were reviewed retrospectively, with at least 1 year follow-up. All patients were divided into the HVC group (n = 50) or the KP group (n = 46). Clinical data including clinical and radiologic evaluation results were performed pre- and postoperatively.ResultsThe operation time of the HVC group (32.24 ± 10.08 minutes) was less than that of the KP group (40.76 ± 9.49 minutes), with significant differences. Compared with preoperative data, the visual analog scale scores, Oswestry disability index scores, vertebral body height, and local kyphotic angle were improved after surgery. There were no significant differences between the 2 groups in local kyphotic angle, vertebral body height, leakage rate of bone cement, and incidence of adjacent-level vertebra fracture.ConclusionsRestoring the vertebral height and local kyphotic angle corrections of HVC are similar with those of KP. Additionally, KP is not superior in the leakage rate of bone cement and incidence of adjacent-level vertebra fracture compared to HVC.Copyright © 2020 Elsevier Inc. All rights reserved.

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