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Browsing by Author "Islam, C."

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    Article
    Clinical Importance of the Minimal Cancellous Diameter of Lower Thoracic and Lumbar Vertebral Pedicles
    (Wiley-Liss Inc., 1996) Islam, C.; Güzel, M.B.; Sakul, B.U.
    Transpedicular spinal fixation is a widely used method in vertebral surgery, but it suffers from complications due to mismatches between the screw and pedicle. Therefore, information on minimal cancellous (MCD) and minimal external diameters (MED) of the pedicle is highly important for vertebral surgery. To determine these diameters and their ratios, 2,808 measurements of 1,404 pedicles of 702 human vertebrae were made from Th1 to L5. We found that the mean ratio of MCD to MED was 72.2%, MCD to vertical diameter (VD) was 41.7%, and MCD to transverse diameter (TD) was 62.2% in all levels. We recommend that these results be considered prior to pedicular fixation operations and design of new implantable devices. © 1996 Wiley-Liss, Inc.
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    Article
    Prevention of Postoperative Late Kyphosis in Pott's Disease by Anterior Decompression and Intervertebral Grafting
    (1997) Korkusuz, F.; Islam, C.; Korkusuz, Z.
    A total of 185 patients with Pott's disease were operated on between 1973 and 1992. Anterior decompression by preserving the pleura (extrapleural approach) was the preferred method in the thoracic spine. In the lumbar spine the approach was retroperitoneal, and interbody fusion was performed in both for the thoracic and the lumbar regions. Anterior decompression and intervertebral grafting comprised the treatment. In five patients, internal fixation accompanied anterior decompression and intervertebral grafting. The aim of instrumentation was to enhance anterior spinal stability, and Alici spinal instrumentation was the preferred device. Graft destruction and a late increase in kyphosis was prevented by this means. The mean follow-up period was 7.5 years. Thirty-two of the cases were admitted to the clinic because of Pott's paraplegia: 19 of the cases recovered completely following anterior decompression; partial recovery was observed in 5 cases; but 8 cases did not recover. Various complications, including seven deaths, were observed in 42 of the cases.