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Clinical Trial
. 2004 Feb;17(1):72-7; discussion 78.
doi: 10.1097/00024720-200402000-00013.

An interspinous process distractor (X STOP) for lumbar spinal stenosis in elderly patients: preliminary experiences in 10 consecutive cases

Jangbo Lee  1 , Kazutoshi Hida, Toshitaka Seki, Yoshinobu Iwasaki, Akino Minoru
Affiliations
Clinical Trial

An interspinous process distractor (X STOP) for lumbar spinal stenosis in elderly patients: preliminary experiences in 10 consecutive cases

Jangbo Lee et al. J Spinal Disord Tech. 2004 Feb.

Abstract

Background: Lumbar spinal stenosis (LSS) is often a position-dependent condition that is aggravated in extension and relieved in flexion.

Methods: Ten consecutive elderly patients with LSS were assessed postoperatively by magnetic resonance imaging and the Swiss Spinal Stenosis Questionnaire. Cross-sectional areas of the dural sac and intervertebral foramina at the stenotic level were measured postoperatively and compared with the preoperative values.

Results: Postoperatively the cross-sectional area of the dural sac increased 16.6 mm2 or 22.3% and intervertebral foramina increased 22 mm2 or 36.5%. The intervertebral angle and the posterior disc height changed significantly. Seventy percent of the patients were satisfied with the surgical outcome.

Conclusion: This new surgical method is effective in elderly LSS patients.

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