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Combined posterior–anterior stabilisation of thoracolumbar injuries utilising a vertebral body replacing implant

机译:椎体置换种植体结合胸腰椎前后路稳定

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The authors report on a prospectively followed series of 35 patients with injuries of the thoracolumbar spine from T7 to L3. The radiological course after combined posterior–anterior surgery with anterior column reconstruction with a distractible vertebral body replacing implant demonstrated a stable reconstruction technique with almost no re-kyphosing. In 18/18 patients with CT follow-up intervertebral fusion was observed as bony bridging lateral to the VBR implant. The functional/clinical outcome of the patients was analysed with a set of eight validated outcome scales. After an average follow-up period of 2½ years encouraging results were noticed. The neurological improvement rate (≥1 Frankel/ASIA grade) was 8/12 patients (67%) with a complete recovery in 6 cases. 17/29 patients returned to former occupation; 20/29 patients returned to former leisure activities; 24/28 patients rated their general outcome as “unlimited and pain free” or “occasionally and/or mild complaints” with a VAS score of >80 (scale 0–100). The psychometric questionnaires revealed good results with strong correlation comparing the different scoring systems statistically: mean McGill Pain Questionnaire 12.5 (0–40); mean Oswestry Disability Index 20% (0–51). 13/29 patients scored <4 in the Roland and Morris Disability Questionnaire. The German back pain questionnaire (Funktionsfragebogen Hannover Rücken) showed a mean “functional capacity” of 75%, corresponding with moderate restriction. We concluded the presented method as highly effective to completely reduce and maintain an anatomic spinal alignment. The outcome tended to be better in comparison with non-operatively treated patients as well as with norm populations with low back pain.
机译:作者报告了前瞻性随访的35例T7至L3胸腰椎损伤患者。后路-前路手术结合可分离的椎体代替植入物的前柱重建术后的放射学过程证明了稳定的重建技术,几乎没有再次脊椎后凸。在18/18例CT随访的椎体融合患者中,观察到VBR植入物外侧有骨桥。使用一组八种经过验证的结果量表对患者的功能/临床结果进行了分析。平均随访期为2½年后,结果令人鼓舞。神经学改善率(≥1 Frankel / ASIA级)为8/12例(67%),其中6例完全康复。 17/29名患者恢复了以前的职业; 20/29名患者恢复了以前的休闲活动; 24/28名患者的总体预后为“无限制且无疼痛”或“偶尔和/或轻度不适”,VAS评分> 80(0-100分)。心理测量问卷显示了良好的结果,并且与统计上不同的评分系统相比,具有很强的相关性:平均麦吉尔疼痛问卷12.5(0–40);平均Oswestry残疾指数20%(0–51)。在Roland和Morris残疾问卷中,有13/29名患者的得分<4。德国背部疼痛调查表(Funktionsfragebogen HannoverRücken)显示平均“功能能力”为75%,与中等限制水平相对应。我们得出结论,提出的方法对于完全减少和维持解剖型脊柱排列非常有效。与未经手术治疗的患者以及腰背痛的正常人群相比,结果往往更好。

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