Aim: Anterior transodontoid screw fixation technique is generally chosen for the management of type II odontoid fractures. The nonunion of type II odontoid fractures is still a major problem especially in elderly and osteoporotic patients. Eleven osteoporotic type II odontoid fracured patients were presented in this article.
Material And Methods: We have divided 11 patients in two groups as classical and Ozer's technique. We have also compared (radiologically and clinically) the classical anterior transodontoid screw fixation (group II: 6 cases) and Ozer's transodontoid screw fixation technique (group I: 5 cases) retrospectively.
Results: There was no difference regaring the clinical features of the groups. However, the radiological results showed 100% fusion for Ozer's screw fixation technique and 83% fusion for the classical screw fixation technique.
Conclusion: In conclusion, we suggest that Ozer's technique may help to increase the fusion capacity for osteoporotic type II odontoid fractures.
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http://dx.doi.org/10.5137/1019-5149.JTN.9083-13.1 | DOI Listing |
Rev Bras Ortop (Sao Paulo)
November 2024
Serviço de Cirurgia de Coluna, Instituto Nacional de Rehabilitación, Cidade do México, México.
Atalanto-occipital dislocations with type II fractures of the odontoid process are rare, reporting 7 cases for every 784 upper cervical spine injuries, an incidence of <0.3% and are related to a high rate of morbidity and mortality. Regarding C2 fractures, the most common are in the odontoid process, representing 7%, classified by Anderson and D'Alonso according to their level, with the highest rate of pseudarthrosis in zone II of up to 85% are caused mainly by car accidents.
View Article and Find Full Text PDFCureus
November 2024
Neurosurgery, Hamad General Hospital, Doha, QAT.
Instrumentation of the cervical spine particularly at the higher cervical levels like C2 presents unique challenges mainly because of their complex anatomy and proximity to neurovascular structures. The goal of the article is to demonstrate that using navigation technologies in inserting anterior odontoid screws can enhance the precision and safety of surgery. We describe a novel approach for anterior C2 odontoid fixation using a three-pin radiolucent Mayfield clamp with intra-operative CT registration and cranial brainlab navigation.
View Article and Find Full Text PDFClin Neurol Neurosurg
December 2024
Department of Spine, Baoji City Hospital of Traditional Chinese Medicine, Baoji, Shaanxi Province, People's Republic of China. Electronic address:
Background: Anterior odontoid screw fixation is considered to be preferred surgical treatment for the type Ⅱ odontoid fractures. However, due to the high difficulty to insert odontoid screw with barehand, the high risk of screw misalignment and damage to surrounding important tissue structures, we urgently need robot-assisted screw insert navigation technology to improve the safety and accuracy of inserting odontoid screws.
Methods: We retrospectively analyzed 7 patients with type II odontoid fractures who underwent Tinavi robot-assisted screw insert technology from May 2018 to May 2019 at our hospital.
Ann Med Surg (Lond)
December 2024
Department of Neurosurgery, Neurosurgery Clinic, Birgunj, Nepal.
Introduction And Importance: Odontoid fractures of the second cervical vertebra (C2) are categorized into three types, with type III extending into the body of the axis. These fractures, often resulting from high-energy trauma, can cause significant instability and neurological issues. This case report discusses a 43-year-old male with a type III odontoid fracture and C1-C2 fracture dislocation, demonstrating the effectiveness of traditional neurosurgical techniques in managing such complex injuries.
View Article and Find Full Text PDFJ Child Orthop
December 2024
Department of Pediatric Orthopaedics, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, China.
Purpose: The purpose of this study is to retrospectively analyze children treated conservatively in our hospital to explore the clinical characteristics of children with traumatic atlantoaxial joint infra-anterior dislocation complicating odontoid fracture and the therapeutic effects of treatment.
Methods: Patients with atlantoaxial joint infra-anterior dislocation complicating odontoid fracture received conservative treatment, which comprised three steps: cervical traction (2 weeks), plaster fixation (2 months), and brace fixation (3 months).
Results: We treated three patients (boy:girl = 0:3, mean age = 2.
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