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目的:網膜動脈閉塞症3例3眼に行ったYAGレーザーによる塞栓破砕術の報告。症例:網膜中心動脈閉塞症1眼と網膜動脈分枝閉塞症2眼が対象で,いずれも男性で,年齢は69,71,77歳であった。発症から治療までの期間は6時間~4日であり,初診時視力は0.02,0.09,0.1であった。方法:細隙灯顕微鏡と三面鏡を使用し,動脈の栓塞部にYAGレーザーを照射した。出力は1.3~2.2 mJで,3~24発を照射した。結果:全例で照射時に塞栓の移動はなく,少量の網膜出血が生じた。1眼では照射4日目に網膜下出血が生じ,続発した硝子体出血に対し硝子体手術を必要とした。視力は2眼で改善し,1眼では不変であった。結論:YAGレーザーによる塞栓破砕術は,網膜動脈閉塞症に対する治療の選択肢になりうる。
Purpose:To report transluminal YAG laser embolysis in three cases of retinal artery occlusion. Cases:This review was made on one eye with central and 2 eyes with branch retinal artery occlusion. All were males and were aged 69, 71 and 77 years respectively. The interval between onset and treatment ranged from 6 hours to 4 days. Initial visual acuity was 0.02, 0.09 and 0.1 respectively. Method:Pulsed YAG laser was aimed at the embolus through a 3-mirror lens and was repeated from 3 to 24 shots. The output ranged from 1.3 to 2.2 mJ. Results:No immediate reaction appeared in the fundus except slight retinal hemorrhage. One eye developed subretinal hemorrhage 4 days after treatment. Vitreous hemorrhage followed and had to be treated by vitrectomy. Visual acuity improved in 2 eyes and remained unchanged in one. Conclusion:Transluminal YAG laser embolysis promises to be an effective therapeutic modality for retinal artery occlusion.
Rinsho Ganka(Jpn J Clin Ophthalmol)60(8):1439-1442, 2006
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