Sawarkar Dattaraj Paramanand, Singh Pankaj Kumar, Siddique Saquib Azad, Agrawal Deepak, Satyarthee Guru Dutta, Gupta Deepak Kumar, Sinha Sumit, Kale Shashank S, Sharma Bhawani Shanker
Department of Neurosurgery and Gamma Knife Center, Jai Prakash Narayan Apex Trauma Center, All India Institute of Medical Sciences, New Delhi, India.
Neurol India. 2015 Jan-Feb;63(1):40-8. doi: 10.4103/0028-3886.152633.
INTRODUCTION: Odontoid fractures constitute 9-20% of all adult cervical spine fractures. The present study was carried out to focus on the nuances involved in the surgical management of odontoid fractures. MATERIALS AND METHODS: Patients with an odontoid fracture, admitted for surgical stabilization, between January 2008 and March 2014, were included in the study. RESULTS: Among 142 patients [127 male and 15 female patients; median age: 28 years range 4-75 years], type II odontoid fractures were present in 111, type IIA fractures in 8, and type III fractures in 23 patients. 58.5% patients had been involved in a motor vehicular accident while 38.7% had sustained a fall. Eighty-five patients (59.9%) with a well-reduced fracture and an intact transverse ligament underwent anterior odontoid screw (OS) placement; the other 57 patients (40.1%) underwent posterior fixation (PF). The mean follow-up duration was 22 months (range: 6 months-5.4 years). OS placement was successful in 82 patients (96.5%) with a fusion rate of 95% (95.8% in type II, 100% in type III, and 75% in type IIA odontoid fractures). The procedure-related morbidity was 11.7%. One patient died of sub-arachnoid hemorrhage (SAH) that occurred during OS placement. The PF procedures had a better fusion rate (96.5%). The latter patients, however, had significant restriction of their neck movements and an overall morbidity of 8.7%. The revision surgery rates after OS placement and PF fixation were 7% and 3.5%, respectively. CONCLUSIONS: Anterior OS fixation shows excellent fusion rates and should be the first-line management in reduced/non-displaced acute type II (including type IIA) and high type III odontoid fractures as it preserves cervical motion. PF, that has also been associated with an excellent fusion rate, should be reserved for patients where OS fixation has either failed or has not been feasible.
引言:齿突骨折占所有成人颈椎骨折的9%-20%。本研究旨在关注齿突骨折手术治疗中涉及的细微差别。 材料与方法:纳入2008年1月至2014年3月因手术稳定治疗而入院的齿突骨折患者。 结果:142例患者中(男127例,女15例;中位年龄:28岁,范围4-75岁),II型齿突骨折111例,IIA型骨折8例,III型骨折23例。58.5%的患者发生机动车事故,38.7%的患者因跌倒受伤。85例(59.9%)骨折复位良好且横韧带完整的患者接受了前路齿突螺钉(OS)置入;其余57例(40.1%)患者接受了后路固定(PF)。平均随访时间为22个月(范围:6个月至5.4年)。82例(96.5%)患者OS置入成功,融合率为95%(II型为95.8%,III型为100%,IIA型齿突骨折为75%)。手术相关发病率为11.7%。1例患者在OS置入过程中死于蛛网膜下腔出血(SAH)。PF手术融合率更高(96.5%)。然而,后者患者颈部活动明显受限,总体发病率为8.7%。OS置入和PF固定后的翻修手术率分别为7%和3.5%。 结论:前路OS固定融合率极佳,应作为移位不明显的急性II型(包括IIA型)和高位III型齿突骨折的一线治疗方法,因为它能保留颈椎活动度。PF融合率也很高,应保留用于OS固定失败或不可行的患者。
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