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Efficiency of Anterior Interbody Fusion using Cage and Plate in the Distractive Flexion Injury of Cervical Spine - Cage vs Tricortical Autoiliac Bone -

  • Journal of Korean Society of Spine Surgery
  • Abbr : J Kor Spine Sur
  • 2009, 16(2), pp.71-78
  • Publisher : Korean Society Of Spine Surgery
  • Research Area : Medicine and Pharmacy > Orthopedic Surgery

박희전 1,  김완기 1,  유호영 1

1연세대학교

Candidate

ABSTRACT

Study Design: This is a retrospective study Objectives: We wanted to evaluate the effectiveness and safety of anterior interbody fusion (AIF) using cage and plate fixation for treating distractive flexion injury of the cervical spine according to the radiological and clinical outcomes. Summary of the Literature Review: AIF of the cervical spine using autoiliac bone and plate fixation is known as an effective method for treating not only degenerative disease, but also trauma as well. However, the problem lies in the complications that occur at the donor site. To avoid these complications, the fusion method using a cage is becoming more frequently used, but there are not many reports on using a cage and plate for treating trauma in the cervical spine. Materials and Methods: We retrospectively analyzed 47 patients with distractive flexion injury of the cervical spine and who underwent anterior decompression and interbody fusion with a autoiliac bone graft and plate fixation (Group I, 32 patients) or who underwent anterior decompression and interbody fusion with cage and plate fixation (Group II, 15 patients). We statistically analyzed the changes of the segmental lordosis, the fused segmental body height, the fusion rate on plain radiography and the neurologic recovery with using an ASIA scoring system. Results: All the cases were fused by 12.6±2.5weeks after operation. The changes of segmental lordosis shows no statistical difference between the two groups (p=0.69). The anterior and posterior vertebral heights of the fused segments of Group I were more decreased than those of Group Ⅱ, and there was a statistical difference between the two groups (p=0.03, 0.04). The initial and last follow up neurologic statuses were not statistically difference between the two groups (p=0.11) Conclusions: For the treatment of fracture-dislocation injury in the cervical spine, AIF using a PEEK cage filled with autoiliac bone and plate fixation is an effective method with the least possibility of complications at the donor site, and at the same time, this surgical method shows equally satisfactory results, both radiologically and clinically, as fusion with using a tricortical autoiliac bone graft.

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