[Objective]To evaluate the clinical efficacy of percutaneous vertebroplasty(PVP)combined with augmented pedicle screw(APS)for stage Ⅲ Kummell disease.[Methods]A retrospective analysis was performed on 76 patients who underwent surgical treatment for stage Ⅲ Kummell disease without neurological symptoms during March 2019 to August 2021 in our hospital.According to doctor-patient communication,32 cases were treated with simple PVP(the PVP group),21 cases underwent PVP combined pedicle screw(the PVP-PS group),and 23 cases received PVP combined with augmented pedicle screw(the PVP-APS group).Perioperative,follow-up and imaging da-ta of the three groups were compared.[Results]The PVP group was significantly less than the PVP-PS and PVP-APS groups in terms of op-erative time,intraoperative fluoroscopy times,puncture adjustment times,bone cement injection amount,intraoperative blood loss,walking time and hospital stay(P＜0.05).As time went during the follow-up period lasted for more than 1 year,the VAS and ODI scores significantly decreased in all the 3 groups(P＜0.05).At the last follow-up,PVP-PS and PVP-APS groups proved significantly superior to the PVP group in terms of VAS[(2.7±0.6)vs(2.4±0.6)vs(3.3±0.4),P＜0.001]and ODI scores[(22.6±4.3)vs(25.0±4.8)vs(30.1±5.8),P＜0.001].As for imag-ing,the PVP-PS and PVP-APS groups were significantly better than the PVP group in terms of sagittal index(SI)[(88.4±3.6)％ vs(93.2±3.7)％ vs(46.2±3.6)％ ,P＜0.001],local kyphotic Cobb angle[(17.6±4.2)° vs(10.7±3.5)° vs(27.6±4.6)°,P＜0.001],and spinal stenosis rate[(14.4±3.6)％ vs(9.1±3.2)％ vs(25.2±4.8)％ ,P＜0.001].Moreover,the PVP-APS group was significantly better than PVP-PS group regarding abovesaid parameters(P＜0.05).[Conclusion]The PVP-APS do effectively restore the height of the diseased vertebra,correct kyphotic defor-mity and improve spinal stenosis,and achieve satisfactory short-term clinical outcome for stage Ⅲ Kummell's disease without neurological symptoms,while the long-term efficacy remains to be followed up further.
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