The Macula pp 211-220 | Cite as

Comparative study of vitrectomy with and without vein decompression for branch retinal vein occlusion. A pilot study

  • Marta S. Figueroa


Purpose: To prospectively compare results of vein decompression and vitrectomy with hyaloid removal for treating branch retinal vein occlusion (BRVO).

Methods: Thirty-five eyes with macular edema and visual acuity worse than 20/100 secondary to BRVO were included. Vitrectomy with posterior hyaloid removal and vein decompression at the arteriovenous crossing was performed on 15 patients (Group I); same technique without vein decompression was performed on 20 (Group II).

Results: Group I: After mean follow-up of 33 months, VA improved by two lines or more in 13/15 (87%), one line in 1/15 (6.5%) and remained unchanged in 1/15 (6.5%) eyes. Macular edema resolved in 14/15 (93%). No eyes developed new vessels.

Group II. After mean follow-up of 18 months, VA improved two lines or more in 16/20 (80%), remained unchanged in 2/20 (10%) and deteriorated in 2/20 (10%). Macular edema resolved in 16/20 (80%). No new vessels developed. No differences were found between groups in either age (p 0.566) or preoperative visual acuity (p 0.505). Despite a statistically significant difference in the duration of preoperative interval (p 0.004), no differences were found in post-operative visual results (p 0.147), resolution of macular edema (p 0.098) or prevention of neovascularization.

Conclusion: Results suggest that vitrectomy with posterior hyaloid removal without vein decompression can resolve macular edema, improve visual acuity and prevent development of new vessels in BRVO.


Visual Acuity Macular Edema Diabetic Macular Edema Retinal Vein Occlusion Central Retinal Vein Occlusion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag/Wien 2004

Authors and Affiliations

  1. 1.VitreoRetinal DepartmentHospital Oftalmológico InternacionalMadridSpain

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