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Background  Multiple myeloma (MM) is a blood system malignant tumor, which often leads to osteolytic bone destruction, and the vertebral column is the primary site of involvement. However, the efficacy and prognosis of percutaneous kyphoplasty/vertebroplasty (PKP/PVP) for simple vertebral pathological fractures in patients with multiple myeloma are not yet unified. The primary objective of this study was to investigate the efficacy and prognosis of PKP/PVP in the treatment of multiple myeloma patients with vertebral pathological fractures.    Methods  A total of 108 patients with MM from Beijing Chao-Yang Hospital from 2007 to 2013 were enrolled. Of these, 52 patients underwent PKP/PVP surgery and chemotherapy (surgery group) and 56 received only chemotherapy (chemotherapy group). The age, gender, International Staging System (ISS), fracture location, segment, visual analog scale (VAS), Oswestry Disability Index (ODI), comprehensive treatment satisfaction, stem cell transplantation, overall survival (OS), mortality rate, and the cause of death of patients were recorded; the mean follow-up time was 42.46 months.    Results  The average age of patients in surgery and chemotherapy groups was 60.8 years and 58.1 years, and the mean survival time was 41.98 months and 43.30 months, respectively. The VAS score at 1 month and last follow-up after treatment in surgery group were significantly lower than those in the chemotherapy group ( P  < 0.05); the ODI at 1 month after treatment in the surgery group was significantly lower than that in the chemotherapy group ( P  < 0.05); no significant difference was observed in the 3-year mortality rate between surgery and chemotherapy groups. The number of patients who developed activity disorder in the surgery group was significantly less than that in the chemotherapy group ( P  < 0.05). The OS of patients in ISS stage III was significantly less than that in ISS stages I and II ( P  < 0.05).    Conclusions  PKP/PVP surgery can greatly relieve the pain caused by fractures, reduce the risk of being completely bedridden and pulmonary infection, and improve the quality of life of patients; however, it did not affect mortality rate and overall survival time in patients.    Trial registration  As this was a retrospective study, it did not require ethical approval; all patients had signed informed consent when they received treatment, and all treatment options were voluntary.

journal of orthopaedic surgery and research

PKP/PVP combine chemotherapy in the treatment of multiple myeloma patients with vertebral pathological fractures: minimum 3-year follow-up of 108 cases