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Atlantoaxial Transarticular Screw Fixation and Posterior Fusion Using Ultra-High-Molecular-Weight Polyethylene Cable

Yonezawa, Ikuho MD; Arai, Yasuhisa MD; Tsuji, Takaaki MD; Takahashi, Masaki MD; Kurosawa, Hisashi MD

Journal of Spinal Disorders & Techniques: October 2005 - Volume 18 - Issue 5 - p 392-395
doi: 10.1097/01.bsd.0000167127.16576.02
Original Article
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This article attempts to evaluate the effectiveness of the ultra-high-molecular-weight polyethylene (UHMW-PE) cable system in atlantoaxial transarticular screw fixation and posterior fusion through the clinical results of 10 postoperative patients with atlantoaxial subluxation secondary to rheumatoid arthritis. Among them, one patient with only one screw placed owing to an anomalous vertebral artery had the correction loss of the 3-mm atlas-dens interval after surgery. Another patient had a second operation to remove the screw and cable after 2 years 11 months because a unilateral transarticular screw had come to protrude through the lateral mass of the atlas ventrally. All patients had achieved C1-C2 osseous fusion without any complications associated with this cable system. The UHMW-PE cable is a very useful material as sublaminar wiring in atlantoaxial transarticular screw fixation and posterior fusion.

From the Department of Orthopedic Surgery, Juntendo University School of Medicine, Tokyo, Japan.

Received for publication January 9, 2005; accepted April 11, 2005.

Reprints: Dr. I. Yonezawa, Department of Orthopedic Surgery, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, Japan (e-mail: ikuho@sepia.ocn.ne.jp).

© 2005 Lippincott Williams & Wilkins, Inc.