腰椎変性すべり症に対する片側後方腰椎椎間固定および棘突起間固定術

概要

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The simple decompression procedure for degenerative spondylolisthesis is noninvasive and ample for the cases which complain only of lower extremities symptoms. However some patients have intolerable lower back pain, for which the lumbar fixation technique should be performed. The posterior lumbar interbody fusion (PLIF) and the pedicle screw fixation (PSF) are generally performed. Also, the less invasive procedures such as the unilateral approach, the transforaminal approach and the percutaneous pedicle screw insertion have been reported. The selection of these procedures depends on the experience of the surgeons and remains controversial. We report a new technical procedure. This one is the combination of the unilateral PLIF and the interspinous process fixation by the hemilateral approach. A total of 16 patients underwent this procedure from 2004 to 2006. The characteristics of this technique are the almost bloodless procedure, the bilateral facet joints preservation and the whole microscopic maneuver. The outcomes of all patients are good and so far no minor or major complications have been observed.
日本脊髄外科学会の論文