cervicalspinetrauma颈椎创伤幻灯
35页1、1 J hHkiO hdi S Cervical Spine Trauma Johns Hopkins Orthopaedic Surgery Review Course A. Jay Khanna, MD The Johns Hopkins Medical Institutions Department of Orthopaedic Surgery Baltimore, Maryland Disclosures Consultant/Teaching Zimmer SpineZimmer Spine Kyphon, Inc./Medtronic OrthoFix/Blackstone Medical Speaker Bureau AO S iNth AiAO Spine North America Equity New Era Orthopaedics, LLC 2 Key Points 1.Dermatome and Innervation Review 2.Importance of Transverse Ligament 3.Use of Powers Ratio in A-O
2、 Dislocation 4.Diagnosis and Tx of Jefferson Fracture 5.Type II Odontoid Fracture and When to Operate 6.Differentiate and Treat Type II and Type II A Hangman Fractures 7.Differentiate and Treat UFD and BFD OITE, 2006 3 OITE, 2003 Injury to the C7 nerve root results in weakness primarily of the 1- wrist flexors and finger flexors. 2- elbow flexors and wrist flexors. 3- elbow flexors and finger flexors. 4- elbow extensors and wrist flexors. 5- elbow extensors and wrist extensors. 4 What is the mos
3、t significant factor leading to nonunion when a halo vest is used to treat a type II fracture at the base of the odontoid? 1- Diabetes 2- Osteoporosis 3- Extension injury 4- Age older than 65 years 5- Displacement more than 5 mm Which of the following is considered an appropriate surgical indication for management of acute type II odontoid fractures? 1-A fracture pattern with a frontal oblique orientation 2-A sagittal oblique fracture that may extend into the body of dens 3-A patient with osteop
4、orosis 4-Displacement of 2 mm and any posterior angulation 5-An initial displacement of greater than 5 mm 5 Neural Anatomy 8ilt 8 cervical roots Each cervical root exits the c-spine above the pedicle of the matching vertebrae The remainder of the spine roots all exit the canal under the corresponding pedicle Physical Examination CTQ C6 Browner, Jupiter. Skeletal Trauma, 2nd Edition, 1998. 6 Physical Examination CTQ Browner, Jupiter. Skeletal Trauma, 2nd Edition, 1998. Physical Examination CTQ Br
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