Effect of diffusion distribution of bone cement on pain after vertebral augmentation
Objective To investigate the effect of bone cement diffusion on residual pain after vertebral augmentation.Methods The clinical data of 108 patients with osteoporotic vertebral compression fractures(OVCFs)who treated with vertebral augmentation in People's Hospital of Kaizhou District in Chongqing from May 2018 to May 2021 were retrospectively analyzed.According to the diffusion distribution of bone cement,the patients were divided into the group A(with sufficient diffusion of bone cement,n=69)and the group B(with insufficient diffusion of bone cement,n=39).The visual analogue scale(VAS)score,Oswestry disability index(ODI)score,injured vertebral height(IVH)and local kyphosis angle(LKA)in the two groups were compared.Results The VAS and ODI scores on the second day after surgery and at the last follow-up in the group A were lower than those in the group B(P<0.05).The LKA on the second day after surgery in both groups were increased compared with those before surgery(P<0.05),while there was no statistically significant difference between the two groups(P>0.05).There was no significant difference in the IVH before or after surgery between the two groups(P>0.05).Conclusion Sufficient diffusion of bone cement can alleviate the residual pain after vertebral augmentation.
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