Acta ophthalmologica Scandinavica · 1999
Scleral and episcleral histological changes related to encircling explants in 20 eyes.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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D'Hermies F, Korobelnik J F, Chauvaud D, Pouliquen Y, Parel J M, Renard G
Аннотация
PURPOSE: To investigate scleral and episcleral histological alterations induced by encircling explants used in scleral buckling procedures.
METHODS: We performed a histopathological study of 20 enucleated eyes after failure of retinal detachment surgery including encircling scleral buckle.
RESULTS: Nonabsorbable materials were encapsulated and often gave rise to a limited scleral invagination. The inner capsular surface was regular in 10 silicone explants, it was partially covered with hydrogel fragments and a granulomatous foreign body giant cell reaction in 8 hydrogel explants. One Arruga thread was encased in fibrosis and a catgut circle showed no encapsulation. Other changes were mostly related to the long-standing retinal detachment: peripheral anterior synechiae, anterior uveal effusion, persistent retinal detachment, retinal gliosis, retinal atrophy, retinal breaks, and silicone oil droplets.
CONCLUSION: All nonabsorbable explants underwent encapsulation and prompted scleral invagination. A granulomatous reaction accompanied hydrogel fragmentation. The long term fragmentation impact on implanted eyes remains unknown.
METHODS: We performed a histopathological study of 20 enucleated eyes after failure of retinal detachment surgery including encircling scleral buckle.
RESULTS: Nonabsorbable materials were encapsulated and often gave rise to a limited scleral invagination. The inner capsular surface was regular in 10 silicone explants, it was partially covered with hydrogel fragments and a granulomatous foreign body giant cell reaction in 8 hydrogel explants. One Arruga thread was encased in fibrosis and a catgut circle showed no encapsulation. Other changes were mostly related to the long-standing retinal detachment: peripheral anterior synechiae, anterior uveal effusion, persistent retinal detachment, retinal gliosis, retinal atrophy, retinal breaks, and silicone oil droplets.
CONCLUSION: All nonabsorbable explants underwent encapsulation and prompted scleral invagination. A granulomatous reaction accompanied hydrogel fragmentation. The long term fragmentation impact on implanted eyes remains unknown.