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  • Title: Cervical cage without plating in management of type II / II A Hangman's fracture combined with intervertebral disc injury.
    Author: Wei F, Wang L, Zhou Z, Zhong R, Liu S, Cui S, Pan X, Gao M.
    Journal: BMC Musculoskelet Disord; 2015 Oct 06; 16():285. PubMed ID: 26445491.
    Abstract:
    BACKGROUND: Surgical intervention is increasingly performed as the primary treatment of unstable Hangman's fracture. Some authors have advocated using anterior C2/3 discectomy with interbody fusion and plating to treat unstable Hangman's fracture combined with intervertebral disc injury; however, there are few reports on unstable Hangman's fracture treated by anterior interbody fusion with the cervical cage (PEEK material) solely. METHODS: This study was to assess the efficacy of the cervical cage in management of unstable Hangman's fracture combined with intervertebral disc injury. A cohort of 15 patients with unstable Hangman's fractures fulfilling the inclusion criteria were prospectively submitted to surgical treatment of anterior C2/3 discectomy and interbody fusion using the cervical cage without plating. According to the Levine and Edwards classification, there were 5 type II, and 10 type IIA cases. The clinical outcome (the visual analog scale and the clinical post-traumatic neck score), radiological findings (angulation, translation, and disc height), and bone healing were assessed at 3, 6, 12, and 24 months. RESULTS: All the patients were followed up successfully. There were no intra- or postoperative complications observed. Solid fusion was achieved in all cases by 6 months after surgery. The local kyphotic angle was corrected significantly with the mean preoperative 12.31 ± 2.96 degrees, initial postoperative -1.98 ± 1.62 degrees and the latest follow-up -1.72 ± 1.60 degrees respectively (P < 0.05).The translation was also corrected significantly with the mean preoperative 3.20 ± 1.16 mm, initial postoperative 0.97 ± 0.36 mm, and the latest follow-up 1.05 ± 0.34 mm respectively (P < 0.05). The mean visual analog scale and the clinical post-traumatic neck score improved significantly following surgery (P < 0.05). CONCLUSIONS: This case series demonstrates that anterior C2/3 discectomy and interbody fusion with the cervical cage solely is effective and reliable in management of type II / IIA Hangman's fracture with C2/3 disc injury when properly indicated.
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