Magnitude of dural tube compression does not show a predictive value for symptomatic lumbar spinal stenosis for 1-year follow-up: a prospective cohort study in the community

Koji Otani, Shin-ichi Kikuchi, Takuya Nikaido, Shin-ichi Konno Department of Orthopaedic Surgery, Fukushima Medical University School of Medicine, Fukushima, Japan Background: The North American Spine Society states that lumbar spinal stenosis (LSS) is a clinical syndrome, and there is insufficien...

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Autores principales:	Otani K, Kikuchi S, Nikaido T, Konno S
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2018
Materias:	Lumbar spinal stenosis epidemiology natural history quality of life prognostic factors comorbidities Geriatrics RC952-954.6
Acceso en línea:	https://doaj.org/article/265dbb6bdd8d49058d6aa9c41a076107
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spelling	oai:doaj.org-article:265dbb6bdd8d49058d6aa9c41a0761072021-12-02T07:11:10ZMagnitude of dural tube compression does not show a predictive value for symptomatic lumbar spinal stenosis for 1-year follow-up: a prospective cohort study in the community1178-1998https://doaj.org/article/265dbb6bdd8d49058d6aa9c41a0761072018-09-01T00:00:00Zhttps://www.dovepress.com/magnitude-of-dural-tube-compression-does-not-show-a-predictive-value-f-peer-reviewed-article-CIAhttps://doaj.org/toc/1178-1998Koji Otani, Shin-ichi Kikuchi, Takuya Nikaido, Shin-ichi Konno Department of Orthopaedic Surgery, Fukushima Medical University School of Medicine, Fukushima, Japan Background: The North American Spine Society states that lumbar spinal stenosis (LSS) is a clinical syndrome, and there is insufficient evidence to make a recommendation for or against a correlation between clinical symptoms or function and the presence of anatomic narrowing of the spinal canal on MRI. The main purpose of this study was to assess the influence of the magnitude of dural tube compression on MRI on LSS symptoms at the cross-sectional and 1-year follow-up. Methods: This was a prospective cohort study of 459 participants who were assessed for LSS using a questionnaire and conventional MRI of the lumbar spine. After 1 year, 335 subjects (follow-up rate 73.0%) were assessed for LSS using the same questionnaire. The time course of the clinical subjective symptoms of LSS and the relationship between the said symptoms of LSS and magnitude of dural tube compression on MRI were analyzed in a cross-sectional and longitudinal fashion. Results: 1) The dural sac cross-sectional area (DCSA) decreased with age. 2) Severe dural tube compression had a strong influence on the presence of symptomatic LSS; however, 40%–70% of participants with severe dural tube compression did not show clinical symptoms of LSS. 3) At the 1-year follow-up, >50% of the LSS-positive participants in the initial year were reclassified as LSS negative, and 10% of the LSS-negative participants were reclassified as LSS positive. 4) The magnitude of the DCSA on MRI did not directly affect the presence of LSS at the 1-year follow-up. Conclusion: LSS symptoms were changeable. Anatomical dural tube compression on MRI did not predict the presence of clinical LSS symptoms at the 1-year follow-up. Keywords: lumbar spinal stenosis, epidemiology, natural history, quality of life, prognostic factors, comorbidities, cross-sectional area, MRIOtani KKikuchi SNikaido TKonno SDove Medical PressarticleLumbar spinal stenosisepidemiologynatural historyquality of lifeprognostic factorscomorbiditiesGeriatricsRC952-954.6ENClinical Interventions in Aging, Vol Volume 13, Pp 1739-1746 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Lumbar spinal stenosis epidemiology natural history quality of life prognostic factors comorbidities Geriatrics RC952-954.6
spellingShingle	Lumbar spinal stenosis epidemiology natural history quality of life prognostic factors comorbidities Geriatrics RC952-954.6 Otani K Kikuchi S Nikaido T Konno S Magnitude of dural tube compression does not show a predictive value for symptomatic lumbar spinal stenosis for 1-year follow-up: a prospective cohort study in the community
description	Koji Otani, Shin-ichi Kikuchi, Takuya Nikaido, Shin-ichi Konno Department of Orthopaedic Surgery, Fukushima Medical University School of Medicine, Fukushima, Japan Background: The North American Spine Society states that lumbar spinal stenosis (LSS) is a clinical syndrome, and there is insufficient evidence to make a recommendation for or against a correlation between clinical symptoms or function and the presence of anatomic narrowing of the spinal canal on MRI. The main purpose of this study was to assess the influence of the magnitude of dural tube compression on MRI on LSS symptoms at the cross-sectional and 1-year follow-up. Methods: This was a prospective cohort study of 459 participants who were assessed for LSS using a questionnaire and conventional MRI of the lumbar spine. After 1 year, 335 subjects (follow-up rate 73.0%) were assessed for LSS using the same questionnaire. The time course of the clinical subjective symptoms of LSS and the relationship between the said symptoms of LSS and magnitude of dural tube compression on MRI were analyzed in a cross-sectional and longitudinal fashion. Results: 1) The dural sac cross-sectional area (DCSA) decreased with age. 2) Severe dural tube compression had a strong influence on the presence of symptomatic LSS; however, 40%–70% of participants with severe dural tube compression did not show clinical symptoms of LSS. 3) At the 1-year follow-up, >50% of the LSS-positive participants in the initial year were reclassified as LSS negative, and 10% of the LSS-negative participants were reclassified as LSS positive. 4) The magnitude of the DCSA on MRI did not directly affect the presence of LSS at the 1-year follow-up. Conclusion: LSS symptoms were changeable. Anatomical dural tube compression on MRI did not predict the presence of clinical LSS symptoms at the 1-year follow-up. Keywords: lumbar spinal stenosis, epidemiology, natural history, quality of life, prognostic factors, comorbidities, cross-sectional area, MRI
format	article
author	Otani K Kikuchi S Nikaido T Konno S
author_facet	Otani K Kikuchi S Nikaido T Konno S
author_sort	Otani K
title	Magnitude of dural tube compression does not show a predictive value for symptomatic lumbar spinal stenosis for 1-year follow-up: a prospective cohort study in the community
title_short	Magnitude of dural tube compression does not show a predictive value for symptomatic lumbar spinal stenosis for 1-year follow-up: a prospective cohort study in the community
title_full	Magnitude of dural tube compression does not show a predictive value for symptomatic lumbar spinal stenosis for 1-year follow-up: a prospective cohort study in the community
title_fullStr	Magnitude of dural tube compression does not show a predictive value for symptomatic lumbar spinal stenosis for 1-year follow-up: a prospective cohort study in the community
title_full_unstemmed	Magnitude of dural tube compression does not show a predictive value for symptomatic lumbar spinal stenosis for 1-year follow-up: a prospective cohort study in the community
title_sort	magnitude of dural tube compression does not show a predictive value for symptomatic lumbar spinal stenosis for 1-year follow-up: a prospective cohort study in the community
publisher	Dove Medical Press
publishDate	2018
url	https://doaj.org/article/265dbb6bdd8d49058d6aa9c41a076107
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_version_	1718399560495136768

Magnitude of dural tube compression does not show a predictive value for symptomatic lumbar spinal stenosis for 1-year follow-up: a prospective cohort study in the community

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