Combined conjunctival autograft and overlay amniotic membrane transplantation; a novel surgical treatment for pterygium

Siamak Zarei Ghanavati, Mohamed Abou Shousha, Carolina Betancurt, Victor L Perez, Siamak Zarei Ghanavati, Mohamed Abou Shousha, Carolina Betancurt, Victor L Perez

Abstract

The authors report the long-term results of combined conjunctival autograft and overlay amniotic membrane transplantation (AMT) for treatment of pterygium as a new surgical technique. Nineteen patients including 12 male and 7 female subjects with pterygium (primary, 14 cases; recurrent, 5 cases) underwent combined conjunctival autograft and overlay AMT and were followed from 10 to 26 months. Mean age was 44.21±12.49 (range, 29.0-73.0) years. In one patient with grade T3 primary pterygium, the lesion recurred (5.2%, recurrence rate). No intra-and postoperative complication developed. This procedure seems a safe and effective surgical technique for pterygium treatment. Protection of the ocular surface during the early postoperative period reduces the friction-induced inflammation and might be helpful to prevent the recurrence.

Keywords: Amniotic Membrane Transplantation; Conjunctival Autograft; Primary Pterygium; Recurrent Pterygium.

Conflict of interest statement

Conflict of Interest: None declared.

Figures

Figure 1
Figure 1
(a) Preoperative slit lamp photo of a case with grade T3, recurrent pterygium. (b) Blunt avulsion of the pterygium head (c) Application of mitomycin-C 0.04% under the conjunctival edges. (d) Meticulous dissection of conjunctival autograft from superotemporal conjunctiva. (e) Conjunctival autograft was attached to the sclera bed with fibrin glue and was secured with three 10-0 nylon sutures at the limbus. (f) Amniotic membrane transplantation was glued and cover the denuded cornea and the conjunctival autograft.
Figure 2
Figure 2
(a) Appearance on the 1st postoperative day, (b) slit photo 1 day after surgery.

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Source: PubMed

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