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Indian J Ophthalmol. 2020 Jan;68(1):177-181. doi: 10.4103/ijo.IJO_978_19.

Intraoperative optical coherence tomography and proportional reflux hydrodissection-guided pars plana vitrectomy for complex severe proliferative diabetic retinopathy.

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1
Advanced Eye Center, Post Graduate Institute of Medical Education and Research, Chandigarh, India.

Abstract

The study describes the technique of combining microscope-integrated optical coherence tomography (mi-OCT) and proportional reflux hydrodissection (PRH) during pars plana vitrectomy (PPV) in eyes with complex proliferative diabetic retinopathy (PDR) including tractional retinal detachment (TRD), combined retinal detachment (CRD), and taut posterior hyaloid membrane (TPHM). In this technique, PRH is used to create tissue planes between fibrovascular adhesions in areas identified using mi-OCT for insinuating the vitrector, enabling tissue dissection and release of traction. About 46 patients were operated using this technique. 34 eyes had TRD, 9 eyes had CRD, and 3 eyes were diagnosed with TPHM. A second instrument was used only in nine eyes. None of the eyes required use of intraocular scissors. Iatrogenic breaks occurred in six eyes. All patients had successful reattachment at 3-month follow-up. Thus, combination of mi-OCT and PRH is useful incomplete fibrovascular tissue dissection during PPV for complex PDR cases.

KEYWORDS:

Diabetic retinopathy; intraoperative OCT; proportional reflux hydrodissection; retinal detachment; vitrectomy

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