• Donghua Liu, Jiao Xu, Qiang Wang, Longyu Zhang, Shi Yin, Bo Qian, Xingxuan Li, Tianlin Wen, and Zhiwei Jia.
• Department of Orthopedics, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China.
• Pain Physician. 2023 May 1; 26 (3): 231243231-243.

BackgroundPercutaneous balloon kyphoplasty (PKP) is widely used to treat osteoporotic vertebral compression fractures (OVCFs). In addition to rapid and effective pain relief, the ability to recover the lost height of fractured vertebral bodies and reduce the risk for complications are believed to be the main advantages of this procedure. However, there is no consensus on the appropriate surgical timing for PKP.ObjectivesThis study systematically evaluated the relationship between the surgical timing of PKP and clinical outcomes to provide more evidence for clinicians to choose the intervention timing.Study DesignSystematic review and meta-analysis.MethodsThe PubMed, Embase, Cochrane Library, and Web of Science databases were systematically searched for relevant randomized controlled trials and prospective, and retrospective cohort trials published up to November 13, 2022. All included studies explored the influence of PKP intervention timing for OVCFs. Data regarding clinical and radiographic outcomes and complications were extracted and analyzed.ResultsThirteen studies involving 930 patients with symptomatic OVCFs were included. Most patients with symptomatic OVCFs achieved rapid and effective pain relief after PKP. In comparison to delayed PKP intervention, early PKP intervention was associated with similar or better outcomes in terms of pain relief, improvement of function, restoration of vertebral height, and correction of kyphosis deformity. The meta-analysis results showed there was no significant difference in cement leakage rate between early PKP and late PKP (odds ratio [OR] = 1.60, 95% CI, 0.97-2.64, P = 0.07), whereas delayed PKP had a higher risk for adjacent vertebral fractures (AVFs) than early PKP (OR = 0.31, 95% CI: 0.13-0.76, P = 0.01).LimitationsThe number of included studies was small, and the overall quality of the evidence was very low.ConclusionsPKP is an effective treatment for symptomatic OVCFs. Early PKP may achieve similar or better clinical and radiographic outcomes for treating OVCFs than delayed PKP. Furthermore, early PKP intervention had a lower incidence of AVFs and a similar rate of cement leakage compared with delayed PKP. Based on current evidence, early PKP intervention might be more beneficial to patients.

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