Outcome of Inferonasal Conjunctival Autograft in Pterygium Surgery

Pragati Gautam Adhikari,Sagun Narayan Joshi

doi:10.3126/nmcj.v23i4.42223

Pragati Gautam Adhikari, Sagun Narayan Joshi

Open Access

https://doi.org/10.3126/nmcj.v23i4.42223

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Abstract

This study was done to evaluate the outcome of pterygium excision with inferonasal conjunctival autograft at a tertiary eye care centre. Retrospective analysis of medical records of primary pterygia patients operated by a single surgeon between 2017 to 2020 were analyzed. A total of 43 patients who met the inclusion criteria were included in the study. The demographic variables, along with size of pterygium and recurrence over a period of six month follow up was noted. The mean age of patients was 46.97 years (29-74 years). The mean size of pterygium was 3.17 mm. Recurrence was seen in 3 eyes over a period of 6 months. Graft edema was observed in 11 patients and graft hemorrhage along with congestion was seen in 8 cases which resolved over a 3 weeks follow up period. Mild conjunctival scarring was seen over donor area in 5 of the eyes. Pterygium excision with inferior conjunctival autograft is an effective alternative technique to superotemporal autograft technique.

Highlights

Pterygia are wing-shaped conjunctival disorder extending from the bulbar conjunctiva onto the cornea which occurs predominantly on the nasal limbus
Data from all primary pterygium excision with inferonasal conjunctival autograft performed at the BP Koirala Lions Centre of Ophthalmic studies by a single surgeon from January 2017 to December 2020, were retrospectively analyzed from the record files after taking consent from department
The numerous different techniques that exist for the surgical treatment of pterygium implies that a single approach is universally successful

Summary

Introduction

Pterygia are wing-shaped conjunctival disorder extending from the bulbar conjunctiva onto the cornea which occurs predominantly on the nasal limbus. The pathogenesis of pterygia is not well understood. Epidemiological factors influencing pterygium development have been suggested The mainstay of management is surgical excision but prevention of recurrence is the main challenge, which has been estimated to be as high as 3080% in simple excision.[6] Surgical techniques include bare sclera excision, conjunctival autograft, conjunctival transpositional flap, and amniotic membrane grafting.[7,8]

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