Evidence map›Paper›PMID 30261870›Full record

SynthesisBMC musculoskeletal disorders2018

Relationships between paraspinal muscle morphology and neurocompressive conditions of the lumbar spine: a systematic review with meta-analysis.

Jeffrey R Cooley, Bruce F Walker, Emad M Ardakani, Per Kjaer, Tue S Jensen, Jeffrey J Hebert

Registry-linked trialOpen access · goldAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in BMC musculoskeletal disorders, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05190289 (The Relationship Between Paraspinal Muscle Degeneration and Bone Mass and Clinical Outcomes After Surgery in Patients With Lumbar Degenerative Diseases), which is not on this map. Cited by 51 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
51citing papers in PubMed, 3 pooled it
4.6field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT05190289 unknown statusnot on this mapstarted 2021, after this paper: background citation

The Relationship Between Paraspinal Muscle Degeneration and Bone Mass and Clinical Outcomes After Surgery in Patients With Lumbar Degenerative Diseases

TypeobservationalSponsorPeking University Third HospitalRan2021 to 2022Enrolled600ConditionsDegenerative Lumbar Spinal Stenosis, Degenerative ScoliosisArmsPre-existing degenerative factors of paraspinal muscles and bone mass
3 · Its place in the literature

Who cites it

51 citing papers in PubMed, 3 syntheses or guidelines pooled it, 85 citations in OpenAlex.

  1. Paraspinal muscle quality in chronic low back pain: a systematic review and meta-analysis of muscle atrophy and fat infiltration.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 · 2026
    Pooled it
  2. The association between changes in multifidus muscle morphology and back pain scores following discectomy surgery for lumbar disc herniation: a systematic review and meta-analysis.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 · 2022
    Pooled it
  3. Pooled it
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  9. Association of paraspinal and psoas muscle morphology with recurrent lumbar disc herniation: a retrospective case-control study.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 · 2026
    Article
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  15. Preoperative fatty infiltration of paraspinal muscles assessed by MRI is associated with less improvement of leg pain 2 years after surgery for lumbar spinal stenosis.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 · 2024
    Article
  16. Article
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  20. Paravertebral Muscle Morphology in L4-L5 Disc Herniation: Insights from the Michigan State University Classification.Medical science monitor : international medical journal of experimental and clinical research · 2023
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 4 institutions in 3 countries.

Jeffrey R CooleySchool of Health Professions, Murdoch University, 90 South Street, Murdoch, Western Australia, 6150, Australia. J.Cooley@murdoch.edu.au.ORCID http://orcid.org/0000-0002-3009-7013
Bruce F WalkerSchool of Health Professions, Murdoch University, 90 South Street, Murdoch, Western Australia, 6150, Australia.
Emad M ArdakaniSchool of Health Professions, Murdoch University, 90 South Street, Murdoch, Western Australia, 6150, Australia.
Per KjaerDepartment of Sports Science and Clinical Biomechanics, University of Southern Denmark, Campusvej 55, 5230, Odense M, DK, Denmark.
Tue S JensenSpine Centre of Southern Denmark, Ostre Hougvej 55, 5500, Middelfart, DK, Denmark.
Jeffrey J HebertFaculty of Kinesiology, University of New Brunswick, 3 Bailey Drive, Fredericton, New Brunswick, E3B 5A3, Canada.
Murdoch University · AURegionshospitalet Silkeborg · DKUniversity of New Brunswick · CAUniversity of Southern Denmark · DK

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIndividual study results have demonstrated unclear relationships between neurocompressive disorders and paraspinal muscle morphology. This systematic review aimed to synthesize current evidence regarding the relationship lumbar neurocompressive disorders may have with lumbar paraspinal muscle morphology.

methodsSearches were conducted in seven databases from inception through October 2017. Observational studies with control or comparison groups comparing herniations, facet degeneration, or canal stenosis to changes in imaging or biopsy-identified lumbar paraspinal muscle morphology were included. Data extraction and risk of bias assessment were performed by review author pairs independent of one another. Morphological differences between individuals with and without neurocompressive disorders were compared qualitatively, and where possible, standardised mean differences were obtained.

resultsTwenty-eight studies were included. Lumbar multifidus fiber diameter was smaller on the side of and below herniation for type I [SMD: -0.40 (95% CI = -0.70, -0.09) and type II fibers [SMD: -0.38 (95% CI = -0.69, -0.06)] compared to the unaffected side. The distribution of type I fibers was greater on the herniation side [SMD: 0.43 (95% CI = 0.03, 0.82)]. Qualitatively, two studies assessing small angular fiber frequency and fiber type groupings demonstrated increases in these parameters below the herniation level. For diagnostic imaging meta-analyses, there were no consistent differences across the various assessment types for any paraspinal muscle groups when patients with herniation served as their own control. However, qualitative synthesis of between-group comparisons reported greater multifidus and erector spinae muscle atrophy or fat infiltration among patients with disc herniation and radiculopathy in four of six studies, and increased fatty infiltration in paraspinal muscles with higher grades of facet joint degeneration in four of five studies. Conflicting outcomes and variations in study methodology precluded a clear conclusion for canal stenosis.

conclusionsBased on mixed levels of risk of bias data, in patients with chronic radiculopathy, disc herniation and severe facet degeneration were associated with altered paraspinal muscle morphology at or below the pathology level. As the variability of study quality and heterogeneous approaches utilized to assess muscle morphology challenged comparison across studies, we provide recommendations to promote uniform measurement techniques for future studies.

trial registrationPROSPERO 2015: CRD42015012985.

Indexed as

BiopsyChronic DiseaseHumansIntervertebral Disc DegenerationIntervertebral Disc DisplacementLumbar VertebraeMagnetic Resonance ImagingMuscular AtrophyParaspinal MusclesRadiculopathycanal stenosisdisc herniationfacet arthrosisfat infiltrationLumbar spineparaspinal muscleradiculopathy

Identifiers

PMID30261870
PMCPMC6161433
OpenAlexW2894249038

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.