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Proliferative vitreoretinopathy after vitrectomy with internal limiting membrane peeling and t-PA injection for subretinal hemorrhage: a case report Masakazu Ohiwa 1 , Toshihide Ikeda 1 , Kentaro Ishihara 1 , Tomoyuki Ishibashi 1 , Kazuyuki Emi 1 1Department of Ophthalmology, Osaka Rosai Hospital pp.1135-1141
Published Date 2022/8/15
DOI https://doi.org/10.11477/mf.1410214479

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Abstract Purpose:To report a case of proliferative vitreoretinopathy(PVR)development following a vitrectomy with subretinal tissue-type plasminogen activator(t-PA)injection and internal limiting membrane(ILM)peeling for subretinal hemorrhage(SRH)secondary to retinal arterial microaneurysm(RAM).

Case:A 64-year-old man presented to our hospital complaining of decreased visual acuity in his right eye. He was diagnosed with vitreous hemorrhage secondary to RAM and underwent an initial vitrectomy. Submacular hemorrhage secondary to RAM was observed intraoperatively;therefore subretinal t-PA injection using 41 G needle and ILM peeling were performed to displace the SRH. A part of the retinal area with organized SRH was damaged during ILM peeling, where a retinal tear had developed postoperatively. The tear led to PVR 70 days after the initial vitrectomy, and this patient underwent the second surgery. PVR was successfully repaired by removing proliferative membrane and free ILM flap transplantation into the tear without endophotocoagulation.

Conclusion:We should carefully consider the site of subretinal t-PA injection and avoid ILM peeling in the retinal area with organized SRH. In this case, the free ILM flap transplantation was useful for the closure of the tear and the subsequent successful surgical repair.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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