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11.10.2016 | Original Article | Ausgabe 1/2017

European Spine Journal 1/2017

Reducing kyphotic deformity by posterior vertebral column resection with 360° osteosynthesis in metastatic epidural spinal cord compression (MESCC)

Zeitschrift:
European Spine Journal > Ausgabe 1/2017
Autoren:
Marc Dreimann, Michael Hoffmann, Lennart Viezens, Lukas Weiser, Patrick Czorlich, Sven Oliver Eicker
Wichtige Hinweise
M. Dreimann and M. Hoffmann contributed equally to this study and therefore share first authorship.

Abstract

Purpose

Metastatic epidural spinal cord compression (MESCC) often requires anterior–posterior decompression and stabilization. To reduce approach-related complications, single-stage posterolateral vertebrectomy and 360° fusion is often performed. However, a sufficient reduction of kyphotic deformity through this approach has not been reported. The purpose of this study is to investigate the efficacy of kyphotic deformity reduction by this approach in MESCC.

Methods

A retrospective analysis and chart review was performed for 14 consecutive patients who underwent a vertebrectomy and decompression from a posterolateral approach. Anterior mesh stabilization of the ventral column is used as hypomochlion for the posterior compression manoeuvre, which leads to reduction of the kyphotic deformity.

Results

Pre-operative back pain was 7.2 on a visual analogue scale. Back pain was reduced to 4.4 at discharge and 2.0 at the latest follow-up with a mean follow-up of 12 months (p < 0.001). The Frankel score remains constant or improved from D to E. Radiological segmental kyphosis was corrected from a mean of 16° to 4° (p < 0.001) post-operatively with a loss of 3° at the final follow-up, but still with significant corrections compared with the pre-operative measurements (p < 0.003).

Conclusion

Single-stage posterolateral vertebrectomy and reconstruction is a safe and less invasive approach that allows a sufficient reduction of hyperkyphosis and preservation of neurological function in patients with MESCC. This approach is an efficient alternative to anterior–posterior fusion with good pain reduction and improved sagittal profile.

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