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Year : 2020  |  Volume : 34  |  Issue : 2  |  Page : 89-93

High-viscosity bone cement for vertebral compression fractures: A prospective study on intravertebral diffusion of bone cement

1 Department of Orthopedics, Qilu Hospital of Shandong, Jinan; The Third Staff Hospital of Baogang Group, Baotou, China
2 Department of Orthopaedics, Affiliated Hospital of Ningxia Medical University, Yinchuan, Ningxia, China

Correspondence Address:
Dr. Meiyong Wang
The Third Staff Hospital of Baogang Group, Baotou
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijpn.ijpn_26_20

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Objective: Bone cement leakage causes severe complication following percutaneous vertebroplasty. This study probed the diffusion and leakage status of bone cement injected within diverged time duration, to find the optimal injection time for bone cement. Methods: A total of 70 patients with osteoporotic vertebral compression fractures with a symptom of low back pain who underwent treatment at hospital were enrolled in this study. Patients were randomized into three groups: <180 s, 180–300, and >300 s of injection time duration from the beginning to the completion of the injection. The scenarios of vertebral bone cement leakage and diffusion were inspected using postoperative computed tomography. Results: The diffusion coefficient was higher in Group A than in Group B, whereas it was higher in Group B than in Group C, but without statistical significance among the three groups. The leakage rate was without statistical significance among the three groups. The injection time of bone cement was negatively correlated with the diffusion coefficient, at the correlation coefficient of −0.253. Conclusions: The diffusion coefficient of high-viscosity bone cement is likely negatively correlated with the injection time, and the leakage rate of high-viscosity bone cement probably does not reduce with the prolongation of injection time.

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