Correlation between cilioretinal artery and central visual loss in central retinal artery occlusion_Chinese Journal of Ocular Fundus Diseases

Authors：

LüPeilin ,  WangRunsheng , DuShanshuang

Department of Ophthalmology, The First Hospital of Xi'an, Xi'an 710002, China;

Corresponding author：

WangRunsheng, Email: wangrunsheng0602@sohu.com

Keywords：

Retinal artery occlusion; Ciliary arteries/physiology

DOI：

10.3760/cma.j.issn.1005-1015.2014.05.006

Video：

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Objective To observe the cilioretinal artery and its relationship with central visual loss in central retinal artery occlusion(CRAO) patients. Methods A total of 140 CRAO patients (140 eyes) were enrolled in this study. The patients included 83 males and 57 females. The age was ranged from 42 to 75 years old, with an average of (55.70±22.20) years. All the patients were affected unilaterally, including 79 right eyes and 61 left eyes. The disease duration was from 1 to 10 days, with a mean of (4.7±3.9) hours. Central vision and fluorescence fundus angiography were measured for all patients. The central visual loss was divided into 3 types: mild (≥0.1), moderate (finger counting to 0.08) and severe (no light perception to hand movement). The number, length and location of cilioretinal artery were observed. The correlation between cilioretinal artery and central visual loss was analyzed. Results There were 41 eyes (29.3%) with cilioretinal artery, which including 13 eyes (31.7%) with ≥3 cilioretinal arteries, 23 eyes (56.1%) with 2 cilioretinal arteries, 5 eyes (12.2%) with 1 cilioretinal arteries. The cilioretinal artery was within 1 disk diameter (DD) in length and not reached the macular area in 37 eyes (90.2%), was more than 1DD in length and reached the macular foveal area in 4 eyes (9.8%). The cilioretinal artery located in the temporal side of optic disk in 29 eyes (70.7%), and in other quadrant in 12 eyes (29.3%). The distribution of central visual loss degree as follow: mild in 15 eyes (10.7%), moderate in 50 eyes (35.7%), severe in 75 eyes (53.6%). The difference of central visual loss in the eyes with or without cilioretinal arteries was not significant (χ²=0.16, P>0.05). Conclusions Cilioretinal artery exists in 29.3% CRAO eyes. There was no close correlation between cilioretinal artery and central visual loss.

Citation： LüPeilin, WangRunsheng, DuShanshuang. Correlation between cilioretinal artery and central visual loss in central retinal artery occlusion. Chinese Journal of Ocular Fundus Diseases, 2014, 30(5): 454-457. doi: 10.3760/cma.j.issn.1005-1015.2014.05.006 Copy

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1. Makino S,Ohkawara Y,Sato Y.A case of cilioretinal artery occlusion resembling hemicentral retinal artery occlusion[J]. Clin Ophthalmol, 2012,6:1945-1947.
2. Hayreh SS,Fraterrigo L,Jonas J.Central retinal vein occlusion associated with cilioretinal artery occlusion[J]. Retina,2008, 28:581-594.
3. Brown GC, Shields JA. Cilioretinal arteries and retinal arterial occlusion[J]. Arch Ophthalmol, 1979, 97:84-92.
4. Lewis AM, Mireskandari K. Hemiretinal arterial supply by the cilioretinal artery[J]. Eye(Lond), 2005,19:1239-1240.
5. 卢宁,李建军.视网膜动脉阻塞治疗的新希望[J].眼科,2007,16:217-219.
6. 王润生,吕沛霖,王宾,等.视网膜中央动脉阻塞患者视网膜循环时间与中心视力损害的关系[J].中华眼底病杂志,2007,23:177-179.
7. Hayreh SS.Orbital vascular anatomy[J].Eye,2006,20:1130-1144.
8. Shah SP, Hadid OH, Graham EM, et al.Acute retinal necrosis presenting as central retinal artery occlusion with cilioretinal sparing[J]. Eur J Ophthalmol, 2005, 15:287-288.
9. Maharajan VS, Dua HS, Scott R,et al. Unexpected visual improvement with a pinhole in central retinal artery occlusion and cilioretinal artery sparing fovea[J]. Eye(Lond), 2002, 16:194-196.
10. Cohen AB, Rizzo JF 3rd. Teaching neuroimages:central retinal artery occlusion with cilioretinal artery sparing in giant cell arteritis[J]. Neurology, 2010,75:21-22.
11. Imasawa M, Morimoto T, Iijima H.Recovery of visual field loss due to central retinal artery occlusion[J]. Jpn J Ophthalmol, 2004, 48:294-299.
12. Hayreh SS, Zimmerman MB. Central retinal artery occlusion:visual outcome[J].Am J Ophthalmol,2005,140:376-391.
13. Marmor MF, Jampol LM, Wohl L. Cilioretinal collateral circulation after occlusion of the central retinal artery[J]. Br J Ophthalmol, 1985, 69:805-809.
14. Yilmaz G, Dursun D, Aydin P. Indocyanine green angiographic imaging of central retinal artery occlusion with cilioretinal sparing[J]. Eye(Lond),1999,13:695-697.
15. Taarnh∅j NC, Munch IC, Kyvik KO,et al.Heritability of cilioretinal arteries:a twin study[J].Invest Ophthalmol Vis Sci,2005,46:3850-3854.
16. 王润生,王煊,周晓梁.眼底血管荧光造影下的睫状-视网膜动脉[J].中华眼科杂志,1991, 7:219-220.
17. 徐国兴.视网膜血管阻塞性疾病的治疗新挑战[J]. 眼科, 2010, 9:223-226.

Chinese Journal of Ocular Fundus Diseases

Correlation between cilioretinal artery and central visual loss in central retinal artery occlusion

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