NOVEL INTRAOPERATIVE FUNDUS FLUORESCEIN ANGIOGRAPHY REVEALS NEOVASCULARIZATION AT THE SCLEROTOMY SITE IN POSTVITRECTOMY HEMORRHAGE.

Q3 Medicine Retinal Cases and Brief Reports Pub Date : 2026-03-01 DOI:10.1097/ICB.0000000000001726

Yawen Qin, Jie Zhong, Jie Li

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Abstract

Purpose: The purpose of this study was to report a case of long-term postoperative vitreous hemorrhage of proliferative diabetic retinopathy after pars plana vitrectomy, which is most likely to be associated with neovascularization formed at the incision site of vitrectomy, and to recommend a better surgical technique for the diagnosis and treatment of such patients.

Methods: Intraoperative fundus fluorescein angiography was performed using a customized intraoperative blue light excitation source and observed by a three-dimensional surgical observation system to explore the causes of recurrent postoperative vitreous hemorrhage.

Results: Intraoperative three-dimensional fluorescein angiography clearly showed the complete fluorescence image of the inward growing scleral neovascularization at the pars plana vitrectomy incision site and guided the surgical treatment of intraocular laser photocoagulation of the neovascularization.

Conclusion: Intraoperative three-dimensional fluorescein angiography has a certain role in the diagnosis and treatment of unexplained postoperative vitreous hemorrhage after pars plana vitrectomy and is a promising surgical auxiliary technology.

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新型术中FFA显示玻璃体切除术后出血的巩膜切开处新生血管。

目的：报告一例增生性糖尿病视网膜病变玻璃体切除术（PPV）术后长期玻璃体出血（PVH），其最可能与玻璃体切除术切口处形成的新生血管（NV）有关，并为此类患者的诊断和治疗提供更好的手术技术。方法：采用定制的术中蓝光激发源进行术中眼底荧光素血管造影（FA），通过三维（3D）手术观察系统进行观察，探讨PVH复发的原因。结果：术中3D-FA清晰显示PPV切口部位向内生长巩膜内腔静脉的完整荧光图像，指导了眼内视网膜激光光凝治疗NV的手术治疗。结论：术中3D-FA对PPV术后不明原因PVH的诊断和治疗有一定的作用，是一种很有前景的手术辅助技术。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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