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Case Reports
Journal Article
Review
Supra-Descemetic Venting Incision in the Management of Spontaneous Descemet Membrane Detachment in an Old Penetrating Keratoplasty Graft.
Cornea 2021 July 2
PURPOSE: To report a case of late spontaneous detachment of Descemet membrane (DM) in a donor penetrating keratoplasty (PKP) graft and its successful management using a supra-Descemetic venting incision combined with gas descemetopexy.
METHODS: Case report with review of literature.
RESULTS: A 56-year-old man who had undergone PKP after acute hydrops in pellucid marginal degeneration 27 years before presentation experienced sudden onset vision loss. Clinical features mimicked acute graft rejection but detailed evaluation and anterior segment optical coherence tomography showed a DM detachment (DMD) of the graft. Ten weeks after the onset of DMD, he underwent descemetopexy with a supra-Descemetic stromal venting incision and sulfur hexafluoride gas tamponade. DM reattached with complete resolution of graft edema.
CONCLUSIONS: Late spontaneous DMD of the graft after PKP is very uncommon and must be differentiated from acute graft rejection. Anterior segment optical coherence tomography may help to diagnose this entity that can be managed successfully despite late intervention. The addition of a venting incision that drains fluid from the supra-Descemetic space can increase the chance of success of descemetopexy when compared with descemetopexy with air or gas alone.
METHODS: Case report with review of literature.
RESULTS: A 56-year-old man who had undergone PKP after acute hydrops in pellucid marginal degeneration 27 years before presentation experienced sudden onset vision loss. Clinical features mimicked acute graft rejection but detailed evaluation and anterior segment optical coherence tomography showed a DM detachment (DMD) of the graft. Ten weeks after the onset of DMD, he underwent descemetopexy with a supra-Descemetic stromal venting incision and sulfur hexafluoride gas tamponade. DM reattached with complete resolution of graft edema.
CONCLUSIONS: Late spontaneous DMD of the graft after PKP is very uncommon and must be differentiated from acute graft rejection. Anterior segment optical coherence tomography may help to diagnose this entity that can be managed successfully despite late intervention. The addition of a venting incision that drains fluid from the supra-Descemetic space can increase the chance of success of descemetopexy when compared with descemetopexy with air or gas alone.
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