Nukhba Zahid, Irfan Qayyum, Ayesha Hanif.
Comparison of Recurrence after Ptrygium Excision with Amniotic Membrane Graft Verses Stem Cell Graft.
Pak J Ophthalmol Jan ;34(1):15-8.

Purpose: To compare the recurrence of pterygium with amniotic membrane versus stem cell graft techniques after pterygium excision. Study Design: Quasi experimental study. Place and Duration of Study: Study was conducted at DHQ Teaching Hospital, Gujranwala, for duration of 12 Months from July 2016 - June 2017. Material and Methods: This was a quasi experimental study where two surgical procedures were opted for pterygium excision. The patients were divided into two equal groups. One group had pterygium excision with stem cells grafting and the other group had pterygium excision with amniotic membrane grafting. Patients of both gender, above 18 years of age with grade 2-3 of pterygium causing discomfort, visual impairment or cosmetic disfigurement were included in the study. Whereas patients with id abnormalities, lacrimal sac infection, dry eye syndrome, pseudo pterygium and patients with recurrent epithelial erosions were excluded from the study Results: Out of 60 patients, 38 (63.3%) were males and 22 (36.7%) were females in this study. The mean age was 42 ± 9.3 years. Recurrence rate with amniotic membrane grafting was 10 % and with stem cell grafting it was 3.3%. Conclusion: Stem cell grafting has less recurrence and better cosmetic appearance than amniotic membrane graft.

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