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要約 目的:非虚血性網膜中心静脈閉塞症に伴う黄斑浮腫に対するベバシズマブ硝子体投与の効果の報告。対象と方法:黄斑浮腫がある非虚血性網膜中心静脈閉塞症7例7眼を対象とした。男性3例,女性4例で,年齢は58~80歳(平均69歳)である。ベバシズマブ1.25mgを硝子体に注入し,12か月間の経過を追った。視力はlogMARで評価した。結果:平均視力には全期間を通じ有意な変化はなかった。光干渉断層計で測定した中心窩網膜厚の平均値は,1週間後と1か月後に有意に減少し,3か月以後は投与前の値と差がなかった。結論:非虚血性網膜中心静脈閉塞症に対するベバシズマブ硝子体投与は,短期的な中心窩網膜厚を減少させたが効果は一過性で,長期的には視力と中心窩網膜厚は改善しなかった。
Abstract. Purpose:To report the outcome of intravitreal injection of bevacizumab for nonischemic central retinal vein occlusion with macular edema. Cases and Method:This retrospective study was made on 7 eyes of 7 cases of central retinal vein occlusion with macular edema. The series comprised 3 males and 4 females. The age ranged from 58 to 80 years,average 69 years. Each eye received intravitreal injection of 1.25 mg bevacizumab and followed up for up to 12 months. Visual acuity was evaluated as logMAR. Optical coherence tomography was used to measure the foveal thickness. Results:Mean visual acuity remained unchanged throughout the period of observation. Foveal thickness decreased one week and one month after treatment. It showed no change from the pretreatment value after 3 months. Conclusion:Intravitreal injection of bevacizumab for nonischemic central retinal vein occlusion resulted in temporary decrease of foveal thickness. There was no change in visual acuity or foveal thickness on a long-term basis up to 12 months.
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