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Spine (Phila Pa 1976). 1996 Jan 1;21(1):92-8.

Seven- to 10-year outcome of decompressive surgery for degenerative lumbar spinal stenosis.

Author information

1
Departments of Rheumatology and Immunology, Brigham and Women's Hospital, Boston, MA, USA.

Abstract

STUDY DESIGN:

Retrospective review and prospective follow-up of 88 patients who had decompressive laminectomy with or without fusion from 1983 to 1986.

OBJECTIVE:

To determine the 7- to 10-year outcome of surgery for degenerative lumbar spinal stenosis.

SUMMARY OF BACKGROUND DATA:

There is limited information on the impact of surgery for lumbar spinal stenosis on symptoms, walking ability, and satisfaction, as well as reoperation.

METHODS:

Patients completed standardized questionnaires in 1993 that included items about reoperations, back pain, leg pain, walking capacity, and satisfaction with surgery. Associations between preoperative demographic and clinical variables and outcomes 7 to 10 years after surgery were evaluated in univariate and multivariate analyses.

RESULTS:

Average preoperative age was 69 years and eight patients received fusion. Of 88 patients in the original cohort, 20 (23%) were deceased and 20 (23%) had undergone reoperation by 7- to 10-year follow-up. Fifty-five patients answered questionnaires. Average duration of follow-up was 8.1 years. Thirty-three percent of the respondents had severe back pain at follow-up, 53% were unable to walk two blocks, and 75% were satisfied with the results of surgery. The severity of current spine-related symptoms was a stronger correlate of physical functional status at the time of follow-up than age or nonspinal comorbid conditions.

CONCLUSIONS:

Seven to 10 years after decompressive surgery for spinal stenosis, 23% of patients had undergone reoperation and 33% of respondents had severe back pain. Despite a high prevalence of nonspinal problems in this elderly cohort, spinal symptoms were the most important correlate of reduced functional status.

PMID:
9122770
[Indexed for MEDLINE]

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