An Interspinous Process Distractor (X STOP) for Lumbar Spinal Stenosis in Elderly Patients: Preliminary Experiences in 10 Consecutive Cases

Jangbo Lee, Kazutoshi Hida, Toshitaka Seki, Yoshinobu Iwasaki, Akino Minoru

    Research output: Contribution to journalArticlepeer-review

    93 Citations (Scopus)

    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 mm 2 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.

    Original languageEnglish
    Pages (from-to)72-77
    Number of pages6
    JournalJournal of Spinal Disorders and Techniques
    Volume17
    Issue number1
    DOIs
    Publication statusPublished - 2004 Feb

    Keywords

    • Dural sac
    • Elderly patients
    • Intervertebral foramen
    • Lumbar spinal stenosis
    • Spinal canal

    ASJC Scopus subject areas

    • Surgery
    • Orthopedics and Sports Medicine
    • Clinical Neurology

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