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- G M Plötz, U Schütz, and D Grob.
- Abteilung Wirbelsäule und Rückenmark, Schulthess-Klinik Zürich.
- Z Orthop Ihre Grenzgeb. 1998 Jul 1; 136 (4): 364-74.
Study DesignThis report will relate to our experience with the occipitocervical fusion with the y-plate, which we used in the treatment of 53 patients.Methods39 of the patients had rheumatoid arthritis. Other indications demanding surgery were posttraumatic conditions, degenerative and congenital lesions, osteomyelitis, tumor and psoriasis arthritis. Before surgery, all patients suffered from pain in the neck and/or in the back of the head. On a linear scale from 0 to 10, the pain was rated as 8.0 in average (range 4 to 10). 33 patients had an instability of the atlantoaxial region and 26 patients a basilar invagination of the odontoid. A cervical myelopathy was found in 23 cases. One surgeon fused the occiput to C2 in 30 cases, to C3-C5 in 14 cases and to C7-T2 in 9 cases. In 17 patients a resection of the odontoid had to be performed before fusion to adequately decompress the spinal cord.Results31 of the patients could be controlled with a follow-up of at average 45.9 months. 16 patients had died. At the time of follow-up, the pain was rated as 2.1 in average (range 0 to 8). The myelopathy cleared up in all cases but 3.9 patients required further operations on the cervical spine. 5 patients developed an instability at the level(s) below the fusion and an enlargement of the fusion to these levels had been performed. The fusion rate was 98.1%. The results were satisfying in 25 (80.6%) and not satisfying in 5 patients (19.4%).ConclusionsThese results show the effectiveness of the occipitocervical fusion with the y-plate in a wide range of applications. It offers advantages above other techniques.
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