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Background  Percutaneous vertebroplasty (PVP) and percutaneous kyphoplasty (PKP) are widely used in the treatment of Kümmell’s disease. The purpose of this article is to investigate the clinical efficacy of PVP and PKP for Kümmell’s disease.    Methods  The clinical data that 56 cases of Kümmell’s disease treated with either PVP (28 cases) or PKP (28 cases) from December 2015 to December 2017 were prospectively analyzed. Gender, age, course of disease, injury segment, bone mineral density (BMD), visual analogue scale (VAS), Oswestry disability index (ODI), imaging measurement indexes before surgery between the two groups showed no significant difference (all  P  > 0.05). The bone cement leakage rate, bone cement injection amount, operation time, VAS, ODI, the rate of vertebral compression, correction rate of kyphosis and refracture rate of adjacent vertebra in 2 years were compared between the two groups to calculate clinical efficacy.    Results  The two groups were followed up for 24–48 months. There was no significant difference in the follow-up time, amount of bone cement injected, incidence of bone cement leakage and refracture rate of adjacent vertebrae between the two groups (all  P  > 0.05). The operation time, intraoperative blood loss and fluoroscopy times of the PVP group were significantly lower than those of the PKP group (all  P  = 0.000). VAS score and ODI of the two groups were significantly lower at 1 day, 1 year and 2 years after surgery than before surgery (all  P  < 0.05), but there was not statistically significant difference between the two groups at each time point after surgery (all  P  > 0.05). The rate of vertebral compression and kyphosis correction in the two groups were significantly corrected ( P  < 0.05, respectively) and decreased significantly with time (all  P  < 0.05), But there was not significant difference between the two groups at any time point (all  P  > 0.05).    Conclusion  Both PVP and PKP can achieve similar effects in the treatment of Kümmell’s disease. Because the cost, operation time, blood loss, radiation exposure and surgical procedure of PVP are less than those of PKP, PVP has more clinical priority value.

bmc musculoskeletal disorders

Comparison of the clinical outcomes of percutaneous vertebroplasty vs. kyphoplasty for the treatment of osteoporotic Kümmell’s disease:a prospective cohort study