Comparison of efficacy of two modified approaches percutaneous vertebroplasty for treat-ment of osteoporotic vertebral compression fractures
Objective To compare the effects of modified approach percutaneous vertebroplasty(PVP)and modified approach percutaneous kyphoplasty(PKP)in the treatment of osteoporotic vertebral compression fracture(OVCF).Methods Sixty patients with OVCFs were divided into PVP group(treated with modified approach PVP)and PKP group(treated with modified approach PKP)according to different treatment methods,with 30 cases in each group.The intraoperative bleeding volume,operation time,volume of bone cement injection,hospital stay,status of bone ce-ment leakage,Cobb angles of the injured vertebrae,pain VAS,the percentage of the anterior edge and the medial height of injured vertebrae between the two groups were compared.Results All patients were received 6 months of follow-up.There was no difference in operation time between the two groups(P＞0.05).PVP group was less than PKP group in the intraoperative blood loss and volume of the bone cement injected(P＜0.05),and the hospitalization time of PVP group was longer than the PKP group(P＜0.05).The bone cement leakage rate of PVP was lower than that of PKP group(P＜0.05).Cobb angles of the injured vertebrae,pain VAS,the percentage of the anterior edge and the medial height of injured vertebrae:At postoperative 3 d,two groups were improved than the preopeation(P＜0.05),and there were no statistical differences between two groups(P＞0.05).Conclusions For treatment of OVCF,both modified approach PVP and modified approach PKP can achieve better efficacy,and the modified approach PVP has the advantages of less intraoperative bleeding and bone cenement injection,and lower bone cement leakage rate.
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