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  • Title: Effects of vitreomacular adhesion on ranibizumab treatment in Japanese patients with age-related macular degeneration.
    Author: Nomura Y, Takahashi H, Tan X, Fujimura S, Obata R, Yanagi Y.
    Journal: Jpn J Ophthalmol; 2014 Sep; 58(5):443-7. PubMed ID: 25096269.
    Abstract:
    PURPOSE: To investigate the effects of vitreomacular adhesion (VMA) on intravitreal ranibizumab treatment in Japanese patients with exudative age-related macular degeneration (AMD). METHODS: This was a retrospective comparative study that included 123 eyes from 123 patients with exudative AMD. The presence or absence of VMA was examined by spectral domain optical coherence tomography. The association of VMA with best-corrected visual acuity (BCVA) and central retinal thickness (CRT) at 3, 6, and 12 months after ranibizumab treatment was evaluated. RESULTS: In the group of eyes without VMA [VMA(-)], the mean BCVA was 0.41 logMAR at baseline and significantly improved to 0.28, 0.30, and 0.29 logMAR at 3, 6, and 12 months following the initiation of treatment (P < 0.0001, <0.0001, <0.0001), respectively. In the group of eyes with VMA [VMA(+)], the mean BCVA was 0.42 logMAR at baseline, and there was no improvement at any of the measurement time-points during the follow-up period [0.39, 0.40, and 0.39 logMAR at 3, 6, and 12 months (P = 0.53, 0.75, 0.67), respectively]. The mean baseline CRT in the VMA(-) and VMA(+) groups was 326 and 370 µm, respectively, decreasing to 195 and 293 µm (P < 0.0001 and P = 0.0070), respectively, at 12 months. A better baseline BCVA was associated with poor visual response to intravitreal ranibizumab. CONCLUSIONS: Our study of Japanese patients with AMD managed in real-world clinical practice revealed that both VMA and BCVA at baseline were associated with a poor visual response to intravitreal ranibizumab. These results are in agreement with previously reported findings for other ethnic groups.
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