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Chinese Journal of Geriatric Orthopaedics and Rehabilitation(Electronic Edition) ›› 2022, Vol. 08 ›› Issue (01): 18-23. doi: 10.3877/cma.j.issn.2096-0263.2022.01.004

• Osteoporosis • Previous Articles     Next Articles

The efficacy and safety of PKP with different doses of high-viscosity bone cement in the treatment of osteoporotic lumbar vertebral fracture

Jun Liu1, Zhenlin Fang1,()   

  1. 1. Huangshi Hospital of traditional Chinese Medicine, Department of Orthopedics, Huangshi 435000, China
  • Received:2020-05-16 Online:2022-02-05 Published:2022-04-28
  • Contact: Zhenlin Fang

Abstract:

Objective

To discuss the efficacy and safety of percutaneous kyphoplasty (PKP) with different doses of high-viscosity bone cement in the treatment of osteoporotic lumbar vertebral fracture (OLVF).

Methods

The 150 patients with OLVF in our hospital from September 2016 to September 2018 were selected, there were 84 males and 66 females, aged (60±8) years. They were divided into high-dose group, medium-dose group and low-dose group according to the random number table, 50 cases in each group. The injections of high-viscosity bone cement were 5.0-7.0 ml, 3-4.9 ml and <3.0 ml in high-dose group, medium-dose group and low-dose group respectively, and the efficacy and safety of the three groups were compared.

Results

The 150 patients were followed up satisfactorily for (19±7) months. There was no significant difference in operation time and intraoperative bleeding between high-dose group, medium-dose group and low-dose group (P>0.05). The anterior height of vertebral body in high-dose group and medium-dose group [(27.3±3.1)mm, (26.0±2.9)mm and (26.9±3.0)mm, (25.7±2.8)mm] was significantly higher than that in low-dose group [(23.8±2.8)mm, (21.3±2.5)mm] at 3 and 6 months after operation, the Cobb angle, pain visual analogue score (VAS) and Oswestry dysfunction index (ODI) scores in high-dose group and medium-dose group [(40.2±4.7)°, (41.5±4.8)°, (2.6±0.4) scores, (1.6±0.3) scores, (25.8±3.5) scores, (26.9±3.5) scores and (40.9±4.8)°, (42.1±4.8)°, (2.6±0.4)scores, (1.6±0.3) scores, (26.2±3.5) scores, (27.2±3.7) scores] were significantly lower than those in low-dose group [(46.3±5.3)°, (47.8±5.6)°, (3.3±0.4)scores, (2.3±0.4) scores, (33.3±4.1) scores, (34.3±4.2) scores] at 3 and 6 months after operation, the difference was statistically significant (F=25.371, 18.914, 29.334, 22.457, 34.276, 30.217, 29.364, 20.071, all P<0.001). The leakage rate of bone cement in high-dose group (28.00%) was significantly higher than that in medium-dose group and low-dose group (8.00% and 4.00%), the difference was statistically significant (χ2=10.241, P=0.005).

Conclusions

There are some differences in the efficacy and safety of different doses of high-viscosity bone cement in the treatment of OLVF during PKP, and the middle dosage (3-4.9 ml) of high-viscosity bone cement can achieve good efficacy and safety, it's worth for further clinical promotion.

Key words: Percutaneous kyphoplasty, Doses, High-viscosity bone cement, Osteoporotic lumbar vertebral fractures, Safety

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