Journal of Spine Research
Online ISSN : 2435-1563
Print ISSN : 1884-7137
Original Article
Comparison of Postoperative Outcomes between Balloon Kyphoplasty (BKP) and Vertebral Body Stenting (VBS) for Osteoporotic Vertebral Fractures (OVFs)
Takahiro MaedaYukihiro NakagawaRyo TaijiTakahide SasakiKazuyoshi Minamino
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2026 Volume 17 Issue 2 Pages 52-58

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Abstract

Introduction: To evaluate and compare the postoperative outcomes of Balloon Kyphoplasty (BKP) and Vertebral Body Stenting (VBS) for patients with osteoporotic vertebral fractures (OVF).

Methods: A total of 337 patients with OVFs were included. Of these, 254 patients were treated with BKP (Group B) and 83 patients with VBS (Group V). The evaluation items in this study were as follows: 1. operation time, 2. blood loss, 3. bone cement usage, 4. cement leakage, 5. Numerical Rating Scale (NRS), 6. anterior and posterior height of the fractured vertebral body, 7. wedge angle of the fractured vertebral body, 8. local kyphosis angle (items 5-8 were assessed preoperatively, immediately after the operation, and at 3 months and 1 year postoperatively; the amount of change was also recorded), and 9. adjacent vertebral fractures (at 3 months and 1 year postoperatively).

Results: There were no significant differences between the two groups in the NRS at 1 year postoperatively (Group B: 0.67, Group V: 0.69, p = 0.562) or in the incidence of adjacent vertebral fractures (Group B: 15.7%, Group V: 21.0%, p = 0.444). Operative time was significantly longer in Group V than in Group B (Group B: 35.0 min, Group V: 39.6 min, p< 0.001). Blood loss was significantly greater in Group V than in Group B (Group B: 4.5 ml, Group V: 10.6 ml, p< 0.001). Cement usage was lower in Group V (Group B: 8.7 ml, Group V: 7.7 ml, p< 0.001). There were no significant differences in the changes in radiographic measurement values from preoperatively to 1 year postoperatively.

Conclusions: There was no significant difference in clinical or radiographical outcomes between BKP and VBS.

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