Anterior thoracolumbar column reconstruction with the vertebral body stent-safety and efficacy

PurposeThe aim of this study was to assess safety and efficacy of vertebral body stenting (VBS) by analyzing (1) radiographic outcome, (2) clinical outcome, and (3) perioperative complications in patients with vertebral compression fractures treated with VBS at minimum 6-month follow-up.MethodsIn this retrospective cohort study, 78 patients (61 +/- 14 [21-90] years; 67% female) who have received a vertebral body stent due to a traumatic, osteoporotic or metastatic thoracolumbar compression fracture at our hospital between 2012 and 2020 were included. Median follow-up was 0.9 years with a minimum follow-up of 6 months. Radiographic and clinical outcome was analyzed directly, 6 weeks, 12 weeks, 6 months postoperatively, and at last follow-up.ResultsAnterior vertebral body height of all patients improved significantly by mean 6.2 +/- 4.8 mm directly postoperatively (p < 0.0001) and remained at 4.3 +/- 5.1 mm at last follow-up compared to preoperatively (p < 0.0001). The fracture kyphosis angle of all patients improved significantly by mean 5.8 +/- 6.9 degrees directly postoperatively (p < 0.0001) and remained at mean 4.9 +/- 6.9 degrees at last follow-up compared to preoperatively (p < 0.0001). The segmental kyphosis angle of all patients improved significantly by mean 7.1 +/- 7.6 degrees directly postoperatively (p < 0.0001) and remained at mean 2.8 +/- 7.8 degrees at last follow-up compared to preoperatively (p = 0.03). Back pain was ameliorated from a preoperative median Numeric Rating Scale value of 6.5 to 3.0 directly postoperatively and further bettered to 1.0 six months postoperatively (p = 0.0001). Revision surgery was required in one patient after 0.4 years.ConclusionVertebral body stenting is a safe and effective treatment option for osteoporotic, traumatic and metastatic compression fractures.