Comparison of a flexible versus rigid bone cement injection system in unilateral percutaneous vertebroplasty
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(2020) 25:36 Li et al. Eur J Med Res https://doi.org/10.1186/s40001-020-00436-z
Open Access
RESEARCH
Comparison of a flexible versus rigid bone cement injection system in unilateral percutaneous vertebroplasty Yuwei Li*, Wei Cui* , Peng Zhou, Cheng Li, Yan Wen and Wei Xiao
Abstract Background: Percutaneous vertebroplasty (PVP) has been demonstrated to be effective in the treatment of acute osteoporotic vertebral fracture (AOVF). However, bilateral puncture takes more time to accept more X-ray irradiation; some scholars apply unilateral puncture PVP, but the cement cannot be symmetrically distributed in the vertebral body, so we use a flexible cement injector that undergoes PVP through the unilateral pedicle puncture. This research aims to compare the clinical results of PVP for AOVF with unilateral pedicle puncture using a straight bone cement injector and a bendable cement injector, determine the value of a bendable cement injector. Methods: We undertook a retrospective analysis of patients with thoracic and lumbar compression fracture treated with unilateral pedicle puncture percutaneous vertebroplasty from our institution from June 2013 to July 2015. Operation time, radiation exposure, bone cement injection amount, and the incidence of bone cement leakage were recorded on presentation, the cement leakage was measured by X-ray and computed tomography scan. The patients were followed up postoperatively and were assessed mainly with regard to clinical and radiological outcomes. Results: There was no significant difference in the operation time, radiation exposure time and incidence of bone cement leakage between the two groups. There was significant difference in the amount of bone cement injection and the difference between the two groups. There were no significant differences in VAS and the relative height of the vertebral body and local Cobb angle and QUALEFFO between the two groups at 1 week after PVP, significant difference was observed only 12 months after operation. Conclusions: Application of flexible cement injector is safe and feasible, compared with the application of straight bone cement injector, without prolonging the operative time, radiation exposure time and the incidence of bone cement leakage; it has the advantages of good long-term effect and low incidence of vertebral fracture recurrence. Keywords: Osteoporosis, Percutaneous vertebroplasty, Osteoporotic vertebral fracture, Unilateral puncture Background Osteoporotic vertebral fracture is one of the most common diseases of the elderly [1–4]. Percutaneous vertebroplasty (PVP) is widely used to treat painful vertebral compression fractures and strengthen the stability of vertebrae [5, 6]. The usual standard in introduction of *Correspondence: [email protected]; [email protected] Department of Spinal Surgery, Luohe Central Hospital, Luohe Medical College, 56# Renmin Ave, Luohe 462000, People’s Republic of China
bone cement in PVP requires a bilateral pedicle approach to create a symmetrical distribution of bone cement [7]. However, pedi
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