• Chong Bian, Huijie Gu, Guangnan Chen, Xiangyang Cheng, Zhongyue Huang, Jun Xu, and Xiaofan Yin.
• Department of Orthopedics, Minhang Hospital, Fudan University, Shanghai, China.
• World Neurosurg. 2024 Mar 24.

BackgroundPercutaneous kyphoplasty (PKP) is commonly used to treat severe osteoporotic vertebral compression fractures (OVCFs) by restoring vertebral height. However, its application in mild cases is not frequently discussed.MethodsThe study retrospectively included 100 treated vertebral bodies of the 91 patients mentioned before, and efficacy was evaluated using visual analog scale (VAS) and Oswestry Disability Index (ODI) scores preoperatively, 2 days postoperatively, and at 1 and 6 months after treatment, as well as mean variation in vertebral body height. The study also examined complications such as pain recurrence, delayed vertebral fracture, and loss of vertebral height, and developed a scale to assess the shape and filling effect of cement (SFEC) and its impact on complications.ResultsThe results showed significant reductions in mean VAS and ODI scores from pre-to post-surgery and an increase in vertebral body height. However, complications occurred in 10 patients who received treatment for 11 vertebral bodies, including pain recurrence, fractures, and loss of vertebral height. Among the 10 patients with complications, 7 (63.6%) vertebral bodies had dissatisfied SFEC scores, compared with 22 (24.7%) vertebral bodies with dissatisfied SFEC scores in 81 patients without complications (89 vertebral bodies).ConclusionsPKP is a safe and effective method for treating mild OVCFs, but attention should be paid to the shape and filling effects of cement during surgery to prevent later complications. The developed SFEC scale provides a specific and quantitative standards for evaluating the recovery status after PKP, which need further validations.Copyright © 2024 Elsevier Inc. All rights reserved.

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