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Vitrectomy for macular edema due to retinal vein occlusion

Authors Kumagai K, Ogino N, Fukami M, Furukawa M

Received 28 January 2019

Accepted for publication 10 May 2019

Published 13 June 2019 Volume 2019:13 Pages 969—984

DOI https://doi.org/10.2147/OPTH.S203212

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Amy Norman

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser


Kazuyuki Kumagai,1 Nobuchika Ogino,2 Marie Fukami,1 Mariko Furukawa1

1Kami-iida Daiichi General Hospital, Aichi, Japan; 2Shinjo Ophthalmologic Institute, Miyazaki, Japan

Purpose: To determine the long-term outcomes of vitrectomy for the macular edema associated with a retinal vein occlusion (RVO).
Methods: This was a retrospective, consecutive, interventional case series. The intraoperative procedures included internal limiting membrane peeling, arteriovenous sheathotomy, radial optic neurotomy, and intravitreal triamcinolone acetonide injection at the end of the surgery. The main outcome was the best-corrected visual acuity (BCVA).
Results: Eight hundred and fifty-four eyes of 854 patients were studied. The eyes consisted of 602 with branch RVO (BRVO), 74 with hemi-central RVO (hemi-CRVO), 87 with nonischemic central retinal vein occlusion (CRVO), and 91 with ischemic CRVO. The mean follow-up period was 68.6 months with a range of 12 to 262 months. The mean BCVA was significantly improved at the final visit (P<0.0001 to 0.0016). The final BCVA improved in 74.4% of the BRVO eyes, in 58.1% of the hemi-CRVO eyes, in 57.4% of the nonischemic CRVO eyes, and in 51.6% of the ischemic CRVO eyes. Multiple regression analysis showed there was no significant relationship between the intraoperative combined procedures and the final BCVA.
Conclusions: The results indicate that the type of RVO is significantly associated with the final BCVA, and vitrectomy is a treatment option to improve and maintain BCVA for a long term.

Keywords: retinal vein occlusion, vitrectomy, macular edema, internal limiting membrane

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