Morphology of Peeled Internal Limiting Membrane in Macular Hole Surgery

Purpose. The aim of this work was to describe the ultrastructure and behavior of peeled internal limiting membrane (ILM) in macular hole (MH) surgery. Methods. Seven patients with MH were included, and vitrectomy with ILM peeling was performed in all patients. The ILM inverted flap technique was use...

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Main Authors: Mun Y. Faria, David C. Sousa, Bruna C. Almeida, Andreia L. Pinto, Nuno P. Ferreira
Format: Article
Language:English
Published: Wiley 2019-01-01
Series:Journal of Ophthalmology
Online Access:http://dx.doi.org/10.1155/2019/1345683
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author Mun Y. Faria
David C. Sousa
Bruna C. Almeida
Andreia L. Pinto
Nuno P. Ferreira
author_facet Mun Y. Faria
David C. Sousa
Bruna C. Almeida
Andreia L. Pinto
Nuno P. Ferreira
author_sort Mun Y. Faria
collection DOAJ
description Purpose. The aim of this work was to describe the ultrastructure and behavior of peeled internal limiting membrane (ILM) in macular hole (MH) surgery. Methods. Seven patients with MH were included, and vitrectomy with ILM peeling was performed in all patients. The ILM inverted flap technique was used. Two other flaps of ILM of the same patient were collected and studied using light and transmission electron microscopy (TEM). ILM cell type, distribution, and morphology were analyzed, and the proliferation or fusion potential of the ILM interface was evaluated. Results. ILM vitreous sides in apposition showed signs of proliferative fibrotic activity, producing a basal membrane that merges ILM sides. Conclusions. Epiretinal cells in ILM show proliferative capacity, with formation of microfibrils between adjacent sides of the ILM, which may explain adherence of ILM flaps to the hole border, contributing to closure of the hole in MH surgery. This trail is registered with NCT03799575.
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id doaj-art-ee5fba0a5b054070a8b11dcb77b8010a
institution Kabale University
issn 2090-004X
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language English
publishDate 2019-01-01
publisher Wiley
record_format Article
series Journal of Ophthalmology
spelling doaj-art-ee5fba0a5b054070a8b11dcb77b8010a2025-02-03T00:59:05ZengWileyJournal of Ophthalmology2090-004X2090-00582019-01-01201910.1155/2019/13456831345683Morphology of Peeled Internal Limiting Membrane in Macular Hole SurgeryMun Y. Faria0David C. Sousa1Bruna C. Almeida2Andreia L. Pinto3Nuno P. Ferreira4Ophthalmology University Clinic, Faculdade de Medicina Lisboa, Universidade de Lisboa, 1649-028 Lisboa, PortugalOphthalmology University Clinic, Faculdade de Medicina Lisboa, Universidade de Lisboa, 1649-028 Lisboa, PortugalHistology and Comparative Pathology Laboratory, Instituto de Medicina Molecular, Lisboa, PortugalHistology and Comparative Pathology Laboratory, Instituto de Medicina Molecular, Lisboa, PortugalOphthalmology University Clinic, Faculdade de Medicina Lisboa, Universidade de Lisboa, 1649-028 Lisboa, PortugalPurpose. The aim of this work was to describe the ultrastructure and behavior of peeled internal limiting membrane (ILM) in macular hole (MH) surgery. Methods. Seven patients with MH were included, and vitrectomy with ILM peeling was performed in all patients. The ILM inverted flap technique was used. Two other flaps of ILM of the same patient were collected and studied using light and transmission electron microscopy (TEM). ILM cell type, distribution, and morphology were analyzed, and the proliferation or fusion potential of the ILM interface was evaluated. Results. ILM vitreous sides in apposition showed signs of proliferative fibrotic activity, producing a basal membrane that merges ILM sides. Conclusions. Epiretinal cells in ILM show proliferative capacity, with formation of microfibrils between adjacent sides of the ILM, which may explain adherence of ILM flaps to the hole border, contributing to closure of the hole in MH surgery. This trail is registered with NCT03799575.http://dx.doi.org/10.1155/2019/1345683
spellingShingle Mun Y. Faria
David C. Sousa
Bruna C. Almeida
Andreia L. Pinto
Nuno P. Ferreira
Morphology of Peeled Internal Limiting Membrane in Macular Hole Surgery
Journal of Ophthalmology
title Morphology of Peeled Internal Limiting Membrane in Macular Hole Surgery
title_full Morphology of Peeled Internal Limiting Membrane in Macular Hole Surgery
title_fullStr Morphology of Peeled Internal Limiting Membrane in Macular Hole Surgery
title_full_unstemmed Morphology of Peeled Internal Limiting Membrane in Macular Hole Surgery
title_short Morphology of Peeled Internal Limiting Membrane in Macular Hole Surgery
title_sort morphology of peeled internal limiting membrane in macular hole surgery
url http://dx.doi.org/10.1155/2019/1345683
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AT brunacalmeida morphologyofpeeledinternallimitingmembraneinmacularholesurgery
AT andreialpinto morphologyofpeeledinternallimitingmembraneinmacularholesurgery
AT nunopferreira morphologyofpeeledinternallimitingmembraneinmacularholesurgery