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要約 目的:網膜裂孔に対して光凝固を行った症例の長期経過の報告。症例と方法:網膜裂孔と診断され,アルゴンレーザーによる光凝固を受けた100例113眼を検索した。男性49例,女性51例で,年齢は22~79歳(平均53歳)である。5~21年(平均11年)の経過を追った。裂孔の内訳は弁状66眼,円孔51眼で,網膜裂孔すべてに光凝固を行った。結果:経過中に新規の裂孔が34例(34%)に生じ,同側14例(41%),他側15例(44%),両側5例(15%)であった。生じた時期は,光凝固後1年未満が14眼(32%),1~5年が18眼(41%),5年以上が12眼(27%)であった。網膜剝離が2眼(1.8%),網膜前膜が4眼(3.5%)に発症した。結論:光凝固で治療した網膜裂孔の長期経過は良好であったが,5年以上が経過しても裂孔が新規に生じ,網膜剝離に移行することがある。網膜裂孔が発見された症例では,長期の経過観察と新裂孔を早期に発見する努力が必要である。
Abstract. Purpose:To report the outcome of long-term course of eyes after photocoagulation for retinal break. Cases and Method:This retrospective study was made on 113 eyes of 100 patients who were diagnosed with retinal break and were treated by argon laser photocoagulation. The series comprised 49 males and 51 females. The age ranged from 22 to 79 years, average 53 years. The 113 eyes were composed of 66 eyes with horseshoe tear and 51 eyes with retinal hole. All cases of retinal break received photocoagulation. Cases were followed up for 5 to 21 years, average 11 years. Results:New retinal break developed during follow-up. It occurred ipsilaterally in 14 cases(41%), contralaterally in 15 cases(44%), and bilaterally in 5 cases(15%). It was detected within one year of photocoagulation in 14 eyes(32%), from 1 to 5 years in 18 eyes(41%), and after 5 years in 12 eyes(27%). Retinal detachment developed in 2 eyes(1.8%)and epiretinal membrane in 4 eyes(3.5%). Conclusion:Prophylactic photocoagulation for retinal break resulted in good long-term outcome in the present series.
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