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要約 目的:非外傷性角膜穿孔の治療成績の報告。
対象と方法:非外傷性角膜穿孔に対して過去8年間に治療した27例29眼を対象とした。男性19例,女性8例で,年齢は46〜98歳,平均70歳である。角膜穿孔の原因,治療内容,視力予後,合併症について,診療録の記録に基づいて検討した。治療方針は,視力改善が期待できる症例には全層角膜移植,期待できない症例には層状角膜移植,角膜の入手が困難な場合には羊膜移植を行った。
結果:角膜穿孔の原因は,感染性17眼,非感染性11眼,不明1眼であった。層状角膜移植を14眼,全層角膜移植を7眼,眼球摘出を2眼,保存治療を6眼に行った。羊膜移植は4眼に行ったが,全例で追加手術が必要であった。全層角膜移植により,7眼中6眼で視力が改善した。合併症として移植片感染,拒絶反応,眼圧上昇が生じ,全例で鎮静化した。
結論:非外傷性角膜穿孔に対し,層状または全層角膜移植は穿孔創閉鎖に有効であった。全層角膜移植では,7眼中6眼で視力が改善した。
Abstract Purpose: To report the methods and outcome of treatment for nontraumatic corneal perforation.
Cases and Method: This retrospective study was made on 29 eyes of 27 cases who were treated for nontraumatic corneal perforation in the past 8 years. The series comprised 19 males and 8 females. The age ranged from 46 to 98 years, average 70 years. Cases were evaluated regarding causes of corneal perforation, method of treatment, visual outcome, and complications.
Results: Corneal perforation was secondary to infection in 17 eyes and not to infection in 11 eyes. The cause was not identified in one eye. Lamellar keratoplasty was performed on 14 eyes, penetrating keratoplasty on 7 eyes, enucleation in 2 eyes, and nonsurgical means in 6 eyes. Four eyes were treated by amnionic transplantation but all the cases needed additional surgery. Visual acuity improved in 6 out of 7 eyes after penetrating keratoplasty. Complications included graft infection, graft rejection, and ocular hypertension, and subsided after treatment.
Conclusion: Lamellar or penetrating keratoplasty was useful in closure of wounds in nontraumatic corneal perforation. Visual acuity improved in 6 out of 7 eyes that received penetrating keratoplasty.
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