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Two-year outcomes of intravitreal bevacizumab therapy for macular oedema secondary to branch retinal vein occlusion
  1. Taiichi Hikichi,
  2. Makoto Higuchi,
  3. Takuro Matsushita,
  4. Shoko Kosaka,
  5. Reiko Matsushita,
  6. Kimitaka Takami,
  7. Hideo Ohtsuka,
  8. Hirokuni Kitamei,
  9. Shoko Shioya
  1. Department of Ophthalmology, Ohtsuka Eye Hospital, Sapporo, Japan
  1. Correspondence to Dr Taiichi Hikichi, Department of Ophthalmology, Ohtsuka Eye Hospital, Kita-16 Nishi-4, Kita-ku, Sapporo 001-0016, Japan; taiichi-hikichi{at}hokkaido.med.or.jp

Abstract

Aim To determine the 2-year outcomes of intravitreal bevacizumab (IVB) injections in eyes with macular oedema (ME) following branch retinal vein occlusion (BRVO).

Methods Of 105 consecutive eyes (105 treatment-naïve patients) with ME following BRVO, 89 eyes were followed for 2 years after the first injection. During the 2-year follow-up period, patients were examined at least every 3 months and received an IVB injection (1.25 mg/0.05 mL) if they met prespecified retreatment criteria. Rescue grid laser was permitted based on the findings of the Branch Vein Occlusion Study.

Results The baseline logarithm of the minimum angle of resolution visual acuity (VA) was 0.64±0.24 (mean±SD), which significantly (p=0.001) improved 1 month after the first injection to 0.39±0.22. One year after the first injection, VA improved significantly (p=0.001) to 0.33±0.21 and remained 0.34±0.21 until 2 years after the first injection (p=0.001). The changes in foveal thickness were correlated with those of VA during the 2-year follow-up period with a mean of 3.8±1.5 injections (including the first injection).

Conclusions This relatively large case series study showed favourable 2-year outcomes using bevacizumab to treat ME following BRVO. Bevacizumab provides substantial long-term benefits in the treatment of ME following BRVO.

  • Macula
  • Retina
  • Treatment Medical

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