Retina (Philadelphia, Pa.) · 2015
RELATIONSHIP BETWEEN VISUAL PROGNOSIS AND DELAY OF INTRAVITREAL INJECTION OF RANIBIZUMAB WHEN TREATING AGE-RELATED MACULAR DEGENERATION.
СтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Takahashi Hidenori, Ohkubo Yuko, Sato Aya, Takezawa Mikiko, Fujino Yujiro, Yanagi Yasuo, Kawashima Hidetoshi
Аннотация
BACKGROUND: In age-related macular degeneration, various factors in clinical practice cause delays to arise between the time exudative change is observed and the time anti-vascular endothelial growth factor drugs are actually injected. We investigated the influence of injection delay on prognosis.
METHODS: Subjects were 50 eyes (50 patients from 2 hospitals) that were administered ranibizumab monotherapy for age-related macular degeneration for 1 year since exudative change was first observed. We investigated the mean number of delay days for each injection.
RESULTS: Mean injection delay was between 0 and 104 days. Significant prognostic factors for visual acuity were initial best-corrected visual acuity (P < 0.01) and mean injection delay (P = 0.03). We estimated that for an initial best-corrected visual acuity of 0.40 logMAR unit (20/50 Snellen equivalent), the respective best-corrected visual acuity values after 1 year for mean injection delays of 0, 7, 14, 28, and 56 days would be 0.22 (20/33), 0.24 (20/35), 0.26 (20/37), 0.31 (20/40), and 0.39 (20/49). For an initial best-corrected visual acuity of 0.097 (20/25), the respective values would be 0.054 (20/23), 0.075 (20/24), 0.10 (20/25), 0.14 (20/28), and 0.22 (20/33).
CONCLUSION: Long-term visual acuity prognosis worsened when scheduling problems delayed intravitreal injection of anti-vascular endothelial growth factor drugs.
METHODS: Subjects were 50 eyes (50 patients from 2 hospitals) that were administered ranibizumab monotherapy for age-related macular degeneration for 1 year since exudative change was first observed. We investigated the mean number of delay days for each injection.
RESULTS: Mean injection delay was between 0 and 104 days. Significant prognostic factors for visual acuity were initial best-corrected visual acuity (P < 0.01) and mean injection delay (P = 0.03). We estimated that for an initial best-corrected visual acuity of 0.40 logMAR unit (20/50 Snellen equivalent), the respective best-corrected visual acuity values after 1 year for mean injection delays of 0, 7, 14, 28, and 56 days would be 0.22 (20/33), 0.24 (20/35), 0.26 (20/37), 0.31 (20/40), and 0.39 (20/49). For an initial best-corrected visual acuity of 0.097 (20/25), the respective values would be 0.054 (20/23), 0.075 (20/24), 0.10 (20/25), 0.14 (20/28), and 0.22 (20/33).
CONCLUSION: Long-term visual acuity prognosis worsened when scheduling problems delayed intravitreal injection of anti-vascular endothelial growth factor drugs.