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Article Dans Une Revue PLoS ONE Année : 2016

Relationship with the Position of the Central Retinal Vessel Trunk

Baek-Lok Oh
  • Fonction : Auteur
Eun Ji Lee
  • Fonction : Auteur
Hyunjoong Kim
  • Fonction : Auteur
Jean-Martial Mari
Tae-Woo Kim
  • Fonction : Auteur

Résumé

Purpose To determine the factors influencing the anterior lamina cribrosa (LC) surface depth (LCD) in patients with open-angle glaucoma (OAG), focusing on the association between LCD and the position of the central retinal vessel trunk (CRVT) at the anterior LC surface. Methods Optic nerve heads of 205 OAG eyes were scanned using swept-source optical coherence tomography (SS-OCT). After processing the images using adaptive compensation, the LCD was determined from 11 horizontal B-scan images that divided the optic disc vertically into 12 equal parts. Eyes were divided into two groups (central or peripheral) according to where the CRVT exits from the anterior LC surface. The influence of CRVT position on LCD was evaluated, taking into account age, gender, untreated intraocular pressure (IOP), IOP at optic-disc scanning, retinal nerve fiber layer (RNFL) thickness, visual-field mean deviation, central corneal thickness, and axial length. Results Patients in the peripheral CRVT group were younger and more myopic, and had a larger mean LCD and thinner global RNFL than those in the central CRVT group (all P <= 0.023). On multivariate analysis, the peripheral CRVT location was significantly associated with a larger LCD (P = 0.002), together with the significant association of younger age (P < 0.001), higher untreated IOP (P = 0.010), and thinner RNFL (P = 0.003) on the larger LCD. Conclusion In OAG, CRVT location was an independent factor influencing the LCD, together with age, untreated IOP, and global RNFL thickness. The data indicate that the CRVT may contribute to the resistance of the LC against deformation. A longitudinal prospective observation is required to clarify this relationship.
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Dates et versions

hal-01631255 , version 1 (08-11-2017)

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Baek-Lok Oh, Eun Ji Lee, Hyunjoong Kim, Michaël J A Girard, Jean-Martial Mari, et al.. Relationship with the Position of the Central Retinal Vessel Trunk. PLoS ONE, 2016, 11 (6), ⟨10.1371/journal.pone.0158443⟩. ⟨hal-01631255⟩

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