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STUDY DESIGN.: Prospective, observational study. OBJECTIVE.: To evaluate biomechanical changes associated with cervical arthrodesis using a cylindrical titanium cage. SUMMARY OF BACKGROUND DATA.: Anterior cervical discectomy and fusion (ACDF) is the "gold standard" for treating cervical disc disease. In an effort to avoid the morbidity associated with autogenous bone graft harvesting, cervical cages are used to achieve fusion. The cages should allow for restoration and maintenance of natural disc height, angulations, and displacements at the operated levels. METHODS.: Fifty-four patients underwent standard ACDF using a "stand alone" cylindrical cage implant. Lateral radiographic views of the cervical spine were obtained before surgery, on the first day postoperatively, and at 12 months postoperatively. Disc height, vertebral alignment, angle of lordosis, and range of motion at operated levels were quantified prospectively by distortion compensated Roentgen analysis. RESULTS.: At 12 months postoperatively, solid fusion was achieved but the cylindrical cage failed to preserve disc height, prevent kyphosis, and preserve natural intervertebral alignment. We observed significant cage subsidence and malalignment. CONCLUSION.: We noticed several unfavorable outcomes when performing an analysis of radiographic parameters after ACDF using a cylindrical titanium cage. Thus, the use of a "stand alone" cylindrical cage in ACDF should be considered with caution.
From the *Department of Neurosurgery, Oslo University Hospital, Rikshospitalet, Oslo, Norway; daggerFaculty of Medicine, The Norwegian University of Science and Technology, Trondheim, Norway; double daggerNational Centre of Spinal Disorders, St. Olav Univ
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Anterior cervical discectomy and fusion is the most commonly employed surgical technique for treating cervical spondylosis. Although autologous bone grafts are considered the gold standard in achievin...
A retrospective study OBJECTIVE:: To evaluate radiographic changes of patients with osteophytes at the anterior border of the caudal vertebral body who were treated with anterior cervical discectomy a...
To present a conversion from an anterior cervical discectomy and fusion (ACDF) to cervical arthroplasty in a 40-year-old, active duty member and perform a review of the literature.
A retrospective study to compare the radiologic and clinical outcomes of 2 different anterior approaches, multilevel anterior cervical discectomy with fusion (ACDF) using autologus ticortical bone gra...
The cervical spine has a linear chain of correlation or reciprocal relationship regionally (within the cervical spine) and globally (head to whole spine). The purpose of this study was to assess the s...
The Zero-P PEEK is a stand-alone device intended for use in cervical interbody fusion. The device consists of a plate and a spacer with four rigid screws to provide similar stability to a ...
The purpose of this study is to evaluation for the pattern of bone bridging of patients who undergo transforaminal lumbar interbody arthrodesis, the investigators hypothesize that auto loc...
The purpose of this study is firstly to determine the efficacy of cervical plate for anterior cervical discectomy and fusion using cervical cage, and secondly to investigate the determinin...
The purpose of this study is to evaluate the safety and preliminary efficacy of NeoFuse in subjects with a diagnosis of degenerative disc disease (DDD) at 2 or more adjacent cervical verte...
The purpose of this study is to establish the safety and effectiveness of the Advent™ Cervical Disc compared to Anterior Cervical Discectomy and Fusion (ACDF) in treating degenerative di...
A network of nerve fibers originating in the upper four cervical spinal cord segments. The cervical plexus distributes cutaneous nerves to parts of the neck, shoulders, and back of the head, and motor fibers to muscles of the cervical spinal column, infrahyoid muscles, and the diaphragm.
A parameter usually used in PRENATAL ULTRASONOGRAPHY to measure the length of the uterine neck (CERVIX UTERI). Cervical length or its shortening is used to identify and prevent early cervical opening and PRETERM BIRTH.
The first cervical vertebra.
A calcification of the posterior longitudinal ligament of the spinal column, usually at the level of the cervical spine. It is often associated with anterior ankylosing hyperostosis.
The surgical fixation of a joint by a procedure designed to accomplish fusion of the joint surfaces by promoting the proliferation of bone cells. (Dorland, 28th ed)
Osteoporosis is a disease in which the bones become extremely porous, are subject to fracture, and heal slowly, occurring especially in women following menopause and often leading to curvature of the spine from vertebral collapse. Follow and track&n...
Neurology - Central Nervous System (CNS)
Alzheimer's Disease Anesthesia Anxiety Disorders Autism Bipolar Disorders Dementia Epilepsy Multiple Sclerosis (MS) Neurology Pain Parkinson's Disease Sleep Disorders Neurology is the branch of me...