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要約 目的:黄斑円孔に対する内境界膜剝離手術の補助剤としてブリリアントブルーG(BBG)を使用し,インドシアニングリーン(ICG)とトリアムシノロンアセトニド(TA)と比較した報告。対象と方法:特発性黄斑円孔に対し硝子体手術を行い,3か月以上の経過を追えた50例50眼を対象とした。10眼にBBG,26眼にICG,14眼にTAを併用した。BBG群では25Gシステムで硝子体を切除し,液空気置換後に100%SF6 1mlを注入し,7日間腹臥位を維持した。視力はlogMARで評価した。結果:BBGの術中1回塗付で内境界膜はよく染色できた。術後3か月で視力平均値は有意に改善し,6か月間保たれた。円孔の閉鎖率と視力の推移には,3群間に差がなかった。BBG群には,術後の黄斑機能低下と視野欠損はなかった。結論:黄斑円孔に対する硝子体手術にBBGを使用し,内境界膜を安全に染色することができた。
Abstract. Purpose:To report the outcome of vitreous surgery for macular hole with adjunctive use of brilliant blue G as compared with indocyanine green(ICG)and triamcinolone acetonide(TA). Cases and Method:This study was made on 50 eyes of 50 cases who underwent peeling of internal limiting membrane(ILM)for idiopathic macular hole and who were followed up for 3 months or longer. During surgery,ILM was stained by brilliant blue G in 10 eyes,ICG in 26 eyes,and TA in 14 eyes. Cases in brilliant blue G group received 25 G vitrectomy,injection of 1 ml 100% SF6 after fluid-air exchange and remained in prone position for 7 days. Visual acuity was evaluated as logMAR. Results:ILM was well stained by a single use of brilliant blue G. Visual acuity improved significantly 3 months after surgery to remain for 6 months without macular injury or visual field defect in this group. There was no difference among the 3 groups regarding rate of hole closure or course of visual acuity. Conclusion:Brilliant blue G is effective and safe in staining ILM in macular hole surgery.
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