ArticleJournal of veterinary internal medicine
Trigeminal Nerve Asymmetry in Horses With Idiopathic Trigeminal-Mediated Headshaking: A Retrospective Case-Control Magnetic Resonance Imaging Study.
Article in Journal of veterinary internal medicine. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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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.
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Who cites it
2 citing papers in PubMed.
- Diagnostic utility of trigeminocervical reflex and quantitative sensory testing in horses with trigeminal-mediated headshaking.Journal of veterinary internal medicine · 2026Article
- Trigeminal Nerve Asymmetry in Horses With Idiopathic Trigeminal-Mediated Headshaking: A Retrospective Case-Control Magnetic Resonance Imaging Study.Journal of veterinary internal medicineArticle
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundNerve atrophy results in trigeminal nerve (TN) asymmetry detectable by magnetic resonance imaging (MRI) in humans, but similar studies have not been performed in horses with idiopathic trigeminal-mediated headshaking (ITMHS). HYPOTHESIS: Horses with ITMHS show greater MRI-detected trigeminal-nerve asymmetry than controls. ANIMALS: A total of 20 adult horses with ITMHS and six unaffected control horses.
methodsRetrospective case-control study of the TN cross-sectional area (TNCSA) based on 3-Tesla MRI scans of the equine brain. TNCSA and its side-to-side differences at four defined measurement points were compared within the two study groups using a linear mixed model. Intraclass correlation coefficient analysis was used to evaluate intra-rater repeatability. The primary outcome was side-to-side TNCSA asymmetry, minimizing confounding effects such as body size.
resultsSignificantly greater TNCSA side-to-side differences (asymmetry of TN) were detected in horses with ITMHS (F CONCLUSIONS AND CLINICAL IMPORTANCE: The asymmetry of the TNCSA in horses with ITMHS indicates unilateral or asymmetric disease of the TN. The present study highlights the value of MRI examinations in ITMHS and could pave the way for targeted therapeutic approaches.
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