Translaminar screw fixation in the lumbar spine: technique, indications, results |
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Authors: | D Grob T Humke |
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Institution: | (1) Schulthess Klinik, Spine Unit, Lengghalde 2, CH-8008 Zürich, Switzerland e-mail: gro@kws.ch Tel.: +41-1-385 74 36 Fax: +41-1-385 75 76, CH |
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Abstract: | Translaminar screw fixation of the lumbar spine represents a simple and effective technique for short segment fusion in the
degenerative spine. Clinical experience with 173 patients who underwent translaminar screw fixation revealed a fusion rate
of 94%. The indications for translaminar screw fixation as a primary fixation procedure are: segmental dysfunction, lumbar
spinal stenosis with painful degenerative changes, segmental revision surgery after discectomies, and painful disc-related
syndromes such as internal disc disruption and lumbar disc herniation with concomitant degenerative changes. As an additional
stabilization procedure, translaminar screws can be used to augment anterior fusion or reinforce pedicle systems. Translaminar
screw fixation achieves as high fusion rate provided the biomechanical principles of the lumbar spine with an intact anterior
column are respected and a meticulous operative technique is employed to enhance bony ingrowth of the graft.
Received: 12 January 1998 Revised: 18 March 1998 Accepted: 6 April 1998 |
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Keywords: | Translaminar screw fixation Lumbar spine Posterior fusion Indications |
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