Bilateral facet dislocations in the thoracolumbar spine. 1988

A M Levine, and M Bosse, and C C Edwards
Division of Orthopaedic Surgery, University of Maryland Hospital, Baltimore.

Bilateral facet dislocation represents approximately 11% of all thoracolumbar spine injuries requiring surgical stabilization. The injury can be caused by either flexion distraction (29/30 cases) or by pure distraction (1/30). Recognition of the injury is possible on plain radiographs, and confirmed by the empty facet sign on the computed tomography (CT) scan. In contradistinction to other major spine injuries, the majority of patients present with complete neurologic lesions (21/30). Recovery of patients with incomplete lesions is frequent (5/6); however, recovery from complete lesions did not occur. Compression instrumentation is recommended for patients with complete lesions because it is stable and requires no external immobilization. Distraction instrumentation that imparts significant extension is advised for patients with incomplete lesions. It is safe and reliable, and eliminates the posterior bulging of the injured disc that can occur with compression. For low lumbar injuries where compression is desirable in order to achieve the shortest possible instrumentation, a discectomy is recommended.

UI MeSH Term Description Entries
D008159 Lumbar Vertebrae VERTEBRAE in the region of the lower BACK below the THORACIC VERTEBRAE and above the SACRAL VERTEBRAE. Vertebrae, Lumbar
D008297 Male Males
D008722 Methods A series of steps taken in order to conduct research. Techniques,Methodological Studies,Methodological Study,Procedures,Studies, Methodological,Study, Methodological,Method,Procedure,Technique
D009192 Myelography X-ray visualization of the spinal cord following injection of contrast medium into the spinal arachnoid space. Cisternography, Myelographic,Myelographic Cisternography,Cisternographies, Myelographic,Myelographic Cisternographies,Myelographies
D009422 Nervous System Diseases Diseases of the central and peripheral nervous system. This includes disorders of the brain, spinal cord, cranial nerves, peripheral nerves, nerve roots, autonomic nervous system, neuromuscular junction, and muscle. Neurologic Disorders,Nervous System Disorders,Neurological Disorders,Disease, Nervous System,Diseases, Nervous System,Disorder, Nervous System,Disorder, Neurologic,Disorder, Neurological,Disorders, Nervous System,Disorders, Neurologic,Disorders, Neurological,Nervous System Disease,Nervous System Disorder,Neurologic Disorder,Neurological Disorder
D009984 Orthopedic Fixation Devices Devices which are used in the treatment of orthopedic injuries and diseases. Device, Orthopedic Fixation,Devices, Orthopedic Fixation,Fixation Device, Orthopedic,Fixation Devices, Orthopedic,Orthopedic Fixation Device
D004204 Joint Dislocations Displacement of bones from their normal positions at a joint. Inferior Dislocation,Joint Subluxations,Luxatio Erecta,Dislocation, Joint,Dislocations, Joint,Inferior Dislocations,Joint Dislocation,Joint Subluxation,Subluxation, Joint,Subluxations, Joint
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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