Effect of different distribution types of bone cement after percutaneous kyphoplasty on osteoporotic vertebral compression fractures at different sites

doi:10.3969/j.issn.2095-4344.2298

Abstract

Abstract:

BACKGROUND: Percutaneous kyphoplasty (PKP) has become an effective method for the treatment of osteoporotic vertebral compression fractures, but the distribution of bone cement in the vertebral body can cause certain differences in postoperative clinical symptoms.

OBJECTIVE: To investigate the clinical effect of bone cement distribution on the treatment of vertebral compression fractures in different sites after percutaneous kyphoplasty.

METHODS: A retrospective analysis of eligible 339 patients with vertebral compression fractures at different sites who received treatment at the Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University from January 2017 to January 2019 were included in this study. These patients were aged 60-85 years. They were divided into a thoracic fracture group (n=144) and a lumbar fracture group (n=195). All patients received bone cement injection after percutaneous kyphoplasty. After surgery, the diffusion distribution of bone cement in the vertebral body was divided into I-V types in each group. Visual Analogue Scale score and Oswestry Disability Index were evaluated before surgery, and 3 days and 6 months after surgery. This study was approved by the Medical Ethics Committee, Affiliated Zhongshan Hospital of Dalian University, China.

RESULTS AND CONCLUSION: (1) At 3 days and 6 months after surgery, Visual Analogue Scale score and Oswestry Disability Index were significantly decreased compared with before surgery (P < 0.05). Visual Analogue Scale score and Oswestry Disability Index at 6 months after surgery were significantly lower than those at 3 days after surgery (P < 0.05). (2) At 6 months after surgery, there were no significant differences in Visual Analogue Scale score and Oswestry Disability Index between thoracic fracture and lumbar fracture groups when the distribution type of bone cement was the same (P > 0.05). (3) At 6 months after surgery, there was no significant difference in Oswestry Disability Index between different distribution types of bone cement in the thoracic fracture group (P > 0.05). At 6 months after surgery, Visual Analogue Scale score in patients with types I, II and III bone cement distribution was significantly lower than in those with types IV and V bone cement distribution (P < 0.05). (4) At 6 months after surgery, there was no significant difference in Oswestry Disability Index between different distribution types of bone cement in the lumbar fracture group (P > 0.05). At 6 months after surgery, Visual Analogue Scale score in patients with types I, II and III bone cement distribution was significantly lower than in that in patients undergoing types IV and V bone cement distribution (P < 0.05). (5) These results suggest that after percutaneous kyphoplasty, bone cement distributed in types I-III can lead to better pain relief than that distributed in other types.

Key words: kyphoplasty, osteoporotic fracture, bone cement distribution, osteoporosis, bone cement diffusion, elderly, Visual Analogue Scale score, Oswestry Disability Index

CLC Number:

Xie Hui, Chen Haopeng, Wang Benjie, Fu Weimin, Zhao Dewei. Effect of different distribution types of bone cement after percutaneous kyphoplasty on osteoporotic vertebral compression fractures at different sites [J]. Chinese Journal of Tissue Engineering Research, 2020, 24(28): 4505-4510.

Figures/Tables 9

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