Evidence map›Paper›PMID 21920865›Full record

ArticleAJNR. American journal of neuroradiology

Follow-up MR imaging of the alar and transverse ligaments after whiplash injury: a prospective controlled study.

N Vetti, J Kråkenes, T Ask, K A Erdal, M D N Torkildsen, J Rørvik, N E Gilhus, A Espeland

Abstract readControlled Clinical Trial
In one paragraph

Article in AJNR. American journal of neuroradiology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
–field-weighted citation impact
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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

5 citing papers in PubMed.

  1. Article
  2. Demonstration of transverse ligament on 3D SPACE MRI in whiplash-associated disorder and nontraumatic conditions.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
  3. Article
  4. Article
  5. 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

8 authors.

N VettiDepartment of Radiology, Haukeland University Hospital, Bergen, Norway. nils.vetti@helse-bergen.no
J Kråkenes
T Ask
K A Erdal
M D N Torkildsen
J Rørvik
N E Gilhus
A Espeland

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

background and purposeThe cause and clinical relevance of upper neck ligament high signal intensity on MR imaging in WAD are controversial. The purpose of this study was to explore changes in the signal intensity of the alar and transverse ligaments during the first year after a whiplash injury. MATERIALS AND

methodsDedicated high-resolution upper neck proton attenuation-weighted MR imaging was performed on 91 patients from an inception WAD1-2 cohort, both in the acute phase and 12 months after whiplash injury, and on 52 controls (noninjured patients with chronic neck pain). Two blinded radiologists independently graded alar and transverse ligament high signal intensity 0-3, compared initial and follow-up images to assess alterations in grading, and solved any disagreement in consensus. The Fisher exact test was used to compare proportions.

resultsAlar and transverse ligament grading was unchanged from the initial to the follow-up images. The only exceptions were 1 alar ligament changing from 0 to 1 and 1 ligament from 1 to 0. The prevalence of grades 2-3 high signal intensity in WAD was thus identical in the acute phase and after 12 months, and it did not differ from the prevalence in noninjured neck pain controls (alar ligaments 33.0% versus 46.2%, P = .151; transverse ligament 24.2% versus 23.1%, P = 1.000).

conclusionsAlar and transverse ligament high signal intensity in patients with WAD1-2 observed within the first year after injury cannot be explained by the trauma. Dedicated upper neck MR imaging cannot be recommended as a routine examination in these patients.

Indexed as

AdolescentAdultAgedCollateral LigamentsFemaleFollow-Up StudiesHumansMagnetic Resonance ImagingMaleMiddle AgedReproducibility of ResultsSensitivity and SpecificityWhiplash InjuriesYoung Adult

Identifiers

PMID21920865
PMCPMC7965999

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Registered trials

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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.