May 2006
Volume 47, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2006
Paired Arteriovenous Crossing as a Risk Factor in Branch Retinal Vein Occlusion
Author Affiliations & Notes
  • G.O. Waring, IV
    Ophthalmology, SUNY Downstate, Brooklyn, NY
  • J. Cedeno–Richiez
    Ophthalmology, SUNY Downstate, Brooklyn, NY
  • M. Patel
    Ophthalmology, SUNY Downstate, Brooklyn, NY
  • D.R. Lazzaro
    Ophthalmology, SUNY Downstate, Brooklyn, NY
  • E. Shrier
    Ophthalmology, SUNY Downstate, Brooklyn, NY
  • Footnotes
    Commercial Relationships  G.O. Waring, None; J. Cedeno–Richiez, None; M. Patel, None; D.R. Lazzaro, None; E. Shrier, None.
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science May 2006, Vol.47, 5176. doi:
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      G.O. Waring, IV, J. Cedeno–Richiez, M. Patel, D.R. Lazzaro, E. Shrier; Paired Arteriovenous Crossing as a Risk Factor in Branch Retinal Vein Occlusion . Invest. Ophthalmol. Vis. Sci. 2006;47(13):5176.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: : To evaluate the frequency and relative locations of paired artery anterior to vein crossings in eyes with branch retinal vein occlusion (BRVO).

Methods: : We retrospectively reviewed digital fundus photos and fluorescein angiography from 14 patients with a recent diagnosis of BRVO and compared our findings with the normal fellow eye as a control group. Crossing patterns and locations from the optic disc rim to the arteriovenous crossings associated with the BRVO were measured with the TOPCON IMAGEnet 2000TM software.

Results: : "Double" artery anterior to vein vascular crossing was observed in 100% of BRVO patients versus 43% of control eyes (p = 0.008). BRVO was observed in the superotemporal quadrant in 86% of study eyes and the inferotemporal quadrant in 14% of study eyes (p < 0.001). Artery anterior to vein crossing occurs more commonly in eyes affected with BRVO relative to control eyes (p = 0.008).

Conclusions: : We demonstrate an increased prevalence of double artery anterior to vein crossing in eyes affected with BRVO.

Keywords: vascular occlusion/vascular occlusive disease • retina • anatomy 
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