ArticleFrontiers in veterinary science2026
Computed tomography-based analysis of external jugular vein cross-sectional area for vascular access in cats.
Article in Frontiers in veterinary science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.
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Corrections and comments
- Erratum issued
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Abstract
Introduction: This study evaluated the cross-sectional area (CSA) of the external jugular vein (EJV) in cats using computed tomography (CT) and assessed its correlation with body weight. Additionally, the angles between the EJV and cranial vena cava (CrVC) were evaluated. Methods: This retrospective study analyzed post-contrast CT scans of 27 cats. The CSA of the EJVs was measured at the level of the cricoid cartilage using multiplanar reconstruction, and the angles between each EJV and the CrVC were assessed. Comparisons of EJV CSA and EJV-CrVC angles were performed using paired Results: Mean CSA of the left and right EJVs was 7.06 ± 3.32 mm Discussion: No significant morphological differences were identified between the left and right EJVs in cats, suggesting that both sides may be considered equivalent for vascular access. Furthermore, because EJV CSA shows only a moderate correlation with body weight, imaging-based evaluation is recommended for optimal catheter size selection.
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