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Year : 2023  |  Volume : 16  |  Issue : 1  |  Page : 18-22

Evaluation of twenty-seven-gauge vitrectomy for complex proliferative diabetic retinopathy

Dr. Rajendra Prasad Centre for Ophthalmic Sciences, AIIMS, New Delhi, India

Correspondence Address:
Vinod Kumar
Dr. Rajendra Prasad Centre for Ophthalmic Sciences, AIIMS, New Delhi - 110 029
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ojo.ojo_348_21

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PURPOSE: To evaluate the outcomes of twenty-seven-gauge (27G) vitrectomy in cases with complex proliferative diabetic retinopathy (PDR). METHODS: This was a retrospective interventional study of eyes that underwent 27G vitrectomy for complex PDR. The demographic profile, history, examination findings, and intraoperative surgical steps (especially use of other instruments such as intravitreal scissors/forceps) were reviewed. All the eyes were followed up for a minimum of 3 months at 1-week, 1-month, and 3-month interval. Visual acuity, intraocular pressure (IOP), and retinal status were documented at every follow-up. RESULTS: Nineteen eyes of 17 patients with complex PDR were included in the study. Seven eyes had tractional retinal detachment involving the macula, three had tractional retinal detachment threatening the macula, one had secondary rhegmatogenous retinal detachment, and eight eyes had nonresolving vitreous hemorrhage along with thick fibrovascular proliferation (FVP) at posterior pole. Anatomical attachment was seen in all cases at the end of follow-up with a single surgery. Visual acuity improved from logMAR 2.5 preoperatively to logMAR 1.01 at 3 months (P = 0.0003). None of the cases required use of intravitreal scissors/forceps for the removal of FVP. Early postoperative vitreous hemorrhage was seen in two eyes. Hypotony was not seen in any eye, while increased IOP was seen in five eyes. CONCLUSION: 27G vitrectomy is a safe and effective technique in cases with complex diabetic surgery. Due to smaller size cutter, it offers advantages in the dissection of tissue and is associated with lower incidence of early postoperative hemorrhage.

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