PERFORM Publications

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Title		Authors	PubMed ID
1	Morphological Changes of Deep Extensor Neck Muscles in Relation to the Maximum Level of Cord Compression and Canal Compromise in Patients With Degenerative Cervical Myelopathy	Naghdi N; Elliott JM; Weber MH; Fehlings MG; Fortin M;	36289049 PERFORM
2	Ultrasonography of the multifidus muscle in student circus artists with and without low back pain: a cross-sectional study	Bianca Rossini	37029443 PERFORM
3	Relationship between cervical muscle morphology evaluated by MRI, cervical muscle strength and functional outcomes in patients with degenerative cervical myelopathy.	Fortin M, Wilk N, Dobrescu O, Martel P, Santaguida C, Weber MH	30059855 PERFORM
4	Association between paraspinal muscle morphology, clinical symptoms and functional status in patients with lumbar spinal stenosis.	Fortin M, Lazáry À, Varga PP, Battié MC	28748488 PERFORM

Title:	Association between paraspinal muscle morphology, clinical symptoms and functional status in patients with lumbar spinal stenosis.
Authors:	Fortin M, Lazáry À, Varga PP, Battié MC
Link:	https://www.ncbi.nlm.nih.gov/pubmed/28748488?dopt=Abstract
DOI:	10.1007/s00586-017-5228-y
Publication:	European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
Keywords:	Cross-sectional area; Erector spinae; Fatty infiltration; Magnetic resonance imaging; Multifidus; Psoas; Rehabilitation;
PMID:	28748488	Category:	Eur Spine J	Date Added:	2019-04-15
Dept Affiliation:	PERFORM 1 PERFORM Centre, Concordia University, 7200 Sherbrooke West Street, PC 2.209, Montreal, QC, H4B 1R6, Canada. maryse.fortin@concordia.ca. 2 National Centre for Spinal Disorders, Királyhágó u. 1, Budapest, 1126, Hungary. 3 Common Spinal Disorders Research Group, Faculty of Rehabilitation Medicine, University of Alberta, 8205-114 Street, Edmonton, AB, T6G 2G4, Canada.

Description:

Association between paraspinal muscle morphology, clinical symptoms and functional status in patients with lumbar spinal stenosis.

Eur Spine J. 2017 10;26(10):2543-2551

Authors: Fortin M, Lazáry À, Varga PP, Battié MC

Abstract

PURPOSE: Lumbar spinal stenosis (LSS) is a disabling condition associated with narrowing of the spinal canal or vertebral foramina. Paraspinal muscle atrophy and fatty infiltration have been reported in patients with chronic LBP and disc herniation. However, very few imaging studies have examined paraspinal muscle morphology and composition in patients with LSS. The purpose of this study was to investigate the association of paraspinal muscle size, composition and asymmetry with functional status in patients with LSS.

METHODS: Thirty-six patients diagnosed with LSS at L4-L5 with neurogenic claudication were included. Paraspinal muscle measurements were obtained from axial T2-weighted MR images, bilaterally, at the level of the superior and inferior vertebral endplates of L5. Muscle measurements of interest included: total cross-sectional area (CSA), functional CSA (FCSA), the ratio of FCSA to CSA (FCSA/CSA) as an indicator of muscle composition, and relative % asymmetry in muscle CSA. The association between muscle parameters and other patient characteristics with function as indicated from Oswestry Disability Index (ODI) scores and pain interference status was investigated.

RESULTS: Greater multifidus muscle fatty infiltration (e.g., lower FCSA/CSA) and lower psoas relative CSA were associated with lower function (higher ODI and pain interference scores) in univariable and multivariable analyses. There was no association between the different muscle parameters and stenosis severity or back or leg pain duration or severity.

CONCLUSIONS: Our findings suggest an association of multifidus muscle fatty infiltration and psoas muscle size with functional status in patients diagnosed with LSS. Future prospective studies are needed to evaluate whether such muscle parameters are associated with prognosis and functional recovery following surgical treatment.

PMID: 28748488 [PubMed - indexed for MEDLINE]

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