Abstract
Objective
To investigate the participation of residual fragments of epiretinal membranes (ERMs)
in recurrent ERMs after pars plana vitrectomy (PPV) for ERMs.
Design
Retrospective comparison study.
Participants
Consecutive 195 eyes of 195 patients with ERMs who underwent PPV.
Methods
Internal limiting membrane (ILM) was removed without use of Brilliant Blue G (BBG)
dye in any eyes until May 2017 (group 1) and thereafter using BBG dye in all eyes
(group 2). Optical coherence tomography (OCT) images were obtained 3 days and 3 years
after PPV.
Results
Group 1 was made up of 87 eyes, and group 2 was made up of 108 eyes. OCT images obtained
3 days after PPV showed ERM fragments with retinal surface wrinkling in 53 eyes (27.2%)
and retinal surface wrinkling alone in 9 eyes (4.6%). OCT images obtained 3 years
postoperatively showed ERMs in 63 eyes (32.3%), all of which except 1 eye had ERM
fragments and (or) retinal surface wrinkling on OCT image 3 days after PPV. Residual
ERM 3 days postoperatively grew in 20 (64.5%) of the 31 eyes with residual ERM 3 days
postoperatively in group 1 and 5 (22.7%) of the 22 eyes with residual ERM 3 days postoperatively
in group 2, which rates were significantly different (p = 0.003).
Conclusions
ERM fragments may be the source of recurrent ERMs after PPV, and ILM peeling assisted
with BBG dye may prevent growth of residual ERM. Eliminating ERM and ILM fragments
intraoperatively may effectively reduce another surgery for ERM peeling.
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Article Info
Publication History
Published online: June 16, 2022
Accepted:
April 8,
2022
Received in revised form:
March 24,
2022
Received:
October 30,
2021
Publication stage
In Press Corrected ProofIdentification
Copyright
© 2022 Published by Elsevier Inc. on behalf of Canadian Ophthalmological Society.