Relationship between Bone Cement Dispersion Status and Residual Pain after Vertebral Augmentation
Objective:To investigate the effect of bone cement dispersion on residual pain after vertebral augmentation(VA)and its possible influencing factors.Methods:A retrospective analysis included 108 patients who underwent vertebral augmentation for osteoporotic vertebral compression fractures(OVCFs)between May 2019 and April 2022.Patients were divided into high diffusion group(group A),moderate diffusion group(group B),and low diffusion group(group C)according to the type of bone cement diffusion distribution.Visual analogue scale(VAS),Oswestry disability index(ODI),injured vertebral height(IVH),and local kiphosis angle(LKA)were compared among the three groups.Results:VAS and ODI scores of the three groups were significantly improved compared with those before surgery(P＜0.05).At the last follow-up,VAS and ODI scores of group A were significantly different from those of group B and group C(P＜0.05),and group A was better than group B and group B was better than group C(P＜0.05).IVH and LKA were im-proved in all three groups,but there was no significant difference between the three groups(P＞0.05).Conclusion:Fully dispersed bone cement can reduce residual pain after vertebral augmentation.
vertebral augmentationresidual painbone cementdispersion distribution
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