Lumbar stiffness as a collateral outcome of spinal arthrodesis: A preliminary clinical study

Robert Hart, Stephan L. Pro, Kenneth Gundle, Lynn Marshall

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Background context: Although spinal arthrodesis can improve function by correcting deformity and reducing pain, it also by intention reduces spinal mobility. Increased spinal stiffness may have the potential to impair function and ability to perform activities of daily living (ADLs), independent of pain levels. Purpose: To evaluate the ability to discriminate spinal stiffness from pain in ADLs after lumbar spine arthrodesis using two outcome instruments. Study design: Cross-sectional study. Patient sample: Consecutive cohort of lumbar spine fusion patients from a single surgeon's practice. Outcome measures: Oswestry Disability Index (ODI), Lumbar Stiffness Disability Index (LSDI), radiographs. Methods: We developed the LSDI questionnaire to assess the impact of spinal stiffness on ability to perform different ADLs. The LSDI and ODI were administered to 93 patients who underwent lumbar arthrodesis extending from one to five or more motion segments at a minimum follow-up of 1 year. Comparisons of mean LSDI and ODI scores between patients were made using generalized linear regression. A Pearson correlation coefficient (r) was computed to determine the relationship between the LSDI and ODI scores. Results: The sample included 61 women and 32 men, with mean age at surgery of 55.0 years (standard deviation [SD], 13.1) and mean time since surgery of 3.4 years (SD, 1.8). The mean LSDI score was 29.6 (SD, 19.2), and the mean ODI score was 39.7 (SD, 19.1). Comparing one-level and five-level arthrodesis, the LSDI scores were significantly different (p=.05), whereas the ODI scores were not significantly different (p=.36). Comparisons between other levels of arthrodesis did not show significant differences for either the LSDI or the ODI. Within the entire study group, LSDI and ODI scores were positively correlated (r=0.69, p

Original languageEnglish (US)
Pages (from-to)150-156
Number of pages7
JournalSpine Journal
Volume13
Issue number2
DOIs
StatePublished - Feb 2013

Fingerprint

Arthrodesis
Aptitude
Activities of Daily Living
Pain
Spine
Linear Models
Cross-Sectional Studies
Outcome Assessment (Health Care)
Clinical Studies

Keywords

  • Adverse outcome
  • Complications
  • Lumbar spine
  • Outcome instruments
  • Spine fusion

ASJC Scopus subject areas

  • Clinical Neurology
  • Surgery

Cite this

Lumbar stiffness as a collateral outcome of spinal arthrodesis : A preliminary clinical study. / Hart, Robert; Pro, Stephan L.; Gundle, Kenneth; Marshall, Lynn.

In: Spine Journal, Vol. 13, No. 2, 02.2013, p. 150-156.

Research output: Contribution to journalArticle

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