Vitrectomy with complete posterior hyaloid removal for ischemic central retinal vein occlusion: Series of casesReport as inadecuate




Vitrectomy with complete posterior hyaloid removal for ischemic central retinal vein occlusion: Series of cases - Download this document for free, or read online. Document in PDF available to download.

BMC Ophthalmology

, 5:10

First Online: 20 May 2005Received: 25 October 2004Accepted: 20 May 2005

Abstract

BackgroundCentral retinal vein occlusion CRVO is a common retinal vascular disorder with potentially complications: 1 persistent macular edema and 2 neovascular glaucoma. No safe treatment exists that promotes the return of lost vision. Eyes with CRVO may be predisposed to vitreous degeneration. It has been suggested that if the vitreous remains attached to the macula owing to a firm vitreomacular adhesion, the resultant vitreous traction can cause inflammation with retinal capillary dilation, leakage and subsequent edema6. The roll of vitrectomy in ischemic CRVO surgical procedures has not been evaluated.

Case presentationThis is a non comparative, prospective, longitudinal, experimental and descriptive series of cases. Ten eyes with ischemic CRVO. Vitrectomy with complete posterior hyaloid removal was performed. VA, rubeosis, intraocular pressure IOP, and macular edema were evaluated clinically. Multifocal ERG m-ERG, fluorescein angiography FAG and optic coherence tomography OCT were performed. Follow-up was at least 6 months. Moderate improvement of visual acuity was observed in 60% eyes and stabilized in 40%. IOP changed from 15.7 ± 3.05 mmHg to 14.9 ± 2.69 mmHg post-operative and macular edema from 976 ± 196 μm to 640 ± 191 μm to six month. The P1 wave amplitude changed from 25.46 ± 12.4 mV to 20.54 ± 11.2 mV.

ConclusionA solo PPV with posterior hyaloid removal may help to improve anatomic and functional retina conditions in some cases. These results should be considered when analyzing other surgical maneuvers.

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