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KMID : 1143720180140020123
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Korean Journal of Neurotrauma
2018 Volume.14 No. 2 p.123 ~ p.128
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Outcomes of Anterior Cervical Fusion Using Polyetheretherketone Cage with Demineralized Bone Matrix and Plate for Management of Subaxial Cervical Spine Injuries
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Han Moon-Soo
Lee Gwang-Jun
Kim Ju-Hwi
Lee Seul-Kee
Moon Bong-Ju
Lee Jung-Kil
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Abstract
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Objective: We evaluated the usefulness of a polyetheretherketone (PEEK) cage filled with demineralized bone matrix (DBM) and plate fixation in anterior interbody fusions for subaxial cervical spine injuries.
Methods: A retrospective review of 98 patients (58 women, 40 men; mean age, 49.7 years; range, 17?78 years) who underwent single-level anterior cervical discectomy and fusion (ACDF) using a PEEK cage filled with DBM and plate fixation for subaxial cervical spine injuries from March 2005 to June 2018 was conducted. Bone fusion, interbody height (IBH), segmental lordosis, and adjacent segment degeneration (ASD) development were assessed with plain radiographs and computed tomography. Clinical outcomes were assessed using a visual analog scale (VAS) for pain and the Frankel grade for neurologic function.
Results: The mean follow-up period was 27.6 months (range, 6?142 months). Twenty-one patients (21.4%) had an improvement of at least one Frankel grade. The mean preoperative and final follow-up neck pain VAS scores were 8.3±0.9 and 2.6±1.5 (p<0.05). All patients showed solid fusion at the final follow-up. The mean preoperative and final Cobb's angles were ?3.7±7.9° and 1.9±5.1° (p<0.05). The mean preoperative and final IBHs were 36.9±1.7 mm and 38.2±1.8 mm (p<0.05). Five patients (5%) showed ASD.
Conclusion: ACDF using a PEEK cage filled with DBM and plate fixation yielded high fusion rates and satisfactory clinical outcomes without donor-site morbidity. This procedure is safe and effective for single-level subaxial cervical spine injuries.
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KEYWORD
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Anterior cervical discectomy and fusion, Cervical spine injury, Demineralized bone matrix, Polyetheretherketone
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