Abstract
This study aimed to investigate whether percutaneous vertebral augmentation (PVA) was associated with clinical and radiological subsequent adjacent fractures in patients with osteoporotic vertebral compression fractures. The systematic review was performed following PRISMA guidelines. Data were retrieved from PubMed, EMBASE, Cochrane Library, Google Scholar, Web of Science, and ClinicalTrial.gov, from database inception to March 2020. Eligible studies were those that assessed subsequent adjacent fractures after PVA in comparison with conservative treatment (CT). The number of patients with adjacent secondary vertebral fractures was calculated, and the pooled risk ratio (RR) with its 95% confidence intervals (95% CI) was used. Moreover, heterogeneity, sensitivity, and publication bias analyses were performed. Twenty-four studies were included finally. Moreover, 20/421 (4.75%) patients from the PVA group and 25/359 (6.96%) patients from the CT group had clinical subsequent adjacent fractures, and 46/440 (10.45%) patients from the PVA group and 36/444 (8.10%) patients from the CT group had radiological subsequent adjacent fractures. Both had no significant difference between the two groups (RR = 0.67, 95% CI [0.38, 1.19], p = 0.17)/(RR = 1.13, 95% CI [0.75, 1.70], p = 0.576). However, the number of fractured vertebrae was higher in the PVA group than in the CT group (RR = 1.41, 95% CI [1.03, 1.93], p = 0.03). A sensitivity analysis did not identify specific trials that seriously deflected. No obvious publication bias was identified. The systematic review revealed that PVA did not increase the incidence for subsequent adjacent fractures regardless of whether they were clinical or radiological fractures. However, PVA can increase the number of subsequent fractures at adjacent vertebral levels.
Published Version
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