Finite Element Analysis and Clinical Application of Unilateral/Bilateral Percutaneous Vertebroplasty for Treating Osteoporotic Vertebral Compression Fractures in Elderly Patients
10.16156/j.1004-7220.2018.03.05
- VernacularTitle:单侧与双侧入路椎体成形术治疗老年骨质疏松性椎体压缩骨折的有限元分析及临床应用
- Author:
Xiangfei LIU
1
;
Jinguo HE
1
;
Yugang JIANG
2
;
Xiaojiang SUN
3
Author Information
1. Department of Orthopedics, Zhongye Hospital
2. School of Engineering Machinery, Shandong Jiaotong University
3. Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopedics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine
- Publication Type:Journal Article
- Keywords:
finite element analysis;
percutaneous vertebroplasty (PVP);
osteoporosis;
vertebral compression fractures;
biomechanics
- From:
Journal of Medical Biomechanics
2018;33(3):E218-E223
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the biomechanical properties and clinical effects of the unilateral/bilateral percutaneous vertebroplasty (PVP) on the treatment of osteoporotic vertebral compression fractures in elderly patients. Methods The finite element models of the unilateral/bilateral percutaneous vertebroplasty (PVP) in osteoporotic vertebral compression fractures were established to evaluate changes in strain and stress of the fractured vertebra after surgery. Eighty patients with osteoporotic vertebral compression fractures underwent unilateral or bilateral PVP were collected for retrospective analysis. The operation time,intraoperative fluoroscopy times,injected bone cement volume, bone cement leakage rate and visual analogue scales (VAS) score between the two groups were analyzed. Results The maximum strain and stress in unilateral PVP group were 1.18 times and 1.15 times of those in bilateral PVP group,respectively.The operation time and intraoperative fluoroscopy times in unilateral PVP group were obviously smaller than those in bilateral PVP group (P<0.001). There was no statistical significance in the injected bone cement volume, bone cement leakage rate, and VAS score between the two groups (P>0.05).Conclusions The biomechanical effect of unilateral PVP was similar to that of bilateral PVP. The puncture needle localization of unilateral PVP for treating elderly patients with osteoporotic vertebral compression fractures had the advantage of less operation time and limited X-ray exposure.
