June 2017
Volume 58, Issue 8
Open Access
ARVO Annual Meeting Abstract  |   June 2017
Comparison of individual retinal layer thicknesses after epiretinal membrane surgery with or without internal limiting membrane peeling
Author Affiliations & Notes
  • Chul Hee Lee
    Ophthalmology, Yonsei University, College of Medicine, Seoul, Korea (the Republic of)
  • Eunyoung Choi
    Ophthalmology, Yonsei University, College of Medicine, Seoul, Korea (the Republic of)
  • Suk Ho Byeon
    Ophthalmology, Yonsei University, College of Medicine, Seoul, Korea (the Republic of)
  • Sung Soo Kim
    Ophthalmology, Yonsei University, College of Medicine, Seoul, Korea (the Republic of)
  • Hyoung Jun Koh
    Ophthalmology, Yonsei University, College of Medicine, Seoul, Korea (the Republic of)
  • Sung Chul Lee
    Ophthalmology, Yonsei University, College of Medicine, Seoul, Korea (the Republic of)
  • Min Kim
    Ophthalmology, Yonsei University, College of Medicine, Seoul, Korea (the Republic of)
  • Footnotes
    Commercial Relationships   Chul Hee Lee, None; Eunyoung Choi, None; Suk Ho Byeon, None; Sung Soo Kim, None; Hyoung Jun Koh, None; Sung Chul Lee, None; Min Kim, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science June 2017, Vol.58, 2825. doi:
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      Chul Hee Lee, Eunyoung Choi, Suk Ho Byeon, Sung Soo Kim, Hyoung Jun Koh, Sung Chul Lee, Min Kim; Comparison of individual retinal layer thicknesses after epiretinal membrane surgery with or without internal limiting membrane peeling. Invest. Ophthalmol. Vis. Sci. 2017;58(8):2825.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose : To compare changes in the thickness of individual retinal layers, as assessed by automated segmentation, and changes in visual outcomes in patients undergoing epiretinal membrane (ERM) surgery with or without internal limiting membrane (ILM) peeling.

Methods : Seventy six eyes of 76 patients who underwent pars plana vitrectomy by two surgeons for idiopathic ERM from January 2013 to March 2015 were retrospectively reviewed. During the vitrectomy, one surgeon removed the ERM with ILM peeling (Group 1: 39 patients), whereas the other surgeon performed epiretinal membranectomy without ILM peeling (Group 2: 37 patients). Automated segmentation was performed preoperatively and at 6 months postoperatively using optical coherence tomography (OCT) images obtained by Spectral Domain OCT (SD-OCT; Spectralis®; Heidelberg Engineering, Heidelberg, Germany).

Results : Whereas a significant reduction in retinal nerve fiber layer (RNFL), ganglion cell layer (GCL), and inner plexiform layer (IPL) thicknesses were noted in Group 1 at 6 months postoperatively, significant decreases in the RNFL, GCL, IPL, inner nuclear layer (INL), and outer plexiform layer (OPL) were observed in Group 2. The mean postoperative BCVA was better in Group 1 than in Group 2 at 6-month follow-up (Group 1: 0.11±0.02; Group 2: 0.20±0.04; p=0.020). At 6 months postoperatively, Group 1 manifested a greater mean postoperative GCL thickness (Group 1: 35.56±1.53 µm; Group 2: 29.86±2.16 µm; p=0.033) and less loss of GCL thickness (Group 1: -10.26±1.91 µm; Group 2: -19.86±2.74 µm; p=0.004), compared to Group 2.

Conclusions : This study demonstrates that ILM peeling for ERM surgery produces better preservation of GCL and better postoperative BCVA compared to no ILM peeling.

This is an abstract that was submitted for the 2017 ARVO Annual Meeting, held in Baltimore, MD, May 7-11, 2017.

 

Figure 1. An example of automated retinal layer segmentation performed preoperatively on a patient with an epiretinal membrane

Figure 1. An example of automated retinal layer segmentation performed preoperatively on a patient with an epiretinal membrane

 

Figure 2. Preoperative and postoperative individual retinal layer segmentation at 6 months after epiretinal membrane (ERM) surgery

Figure 2. Preoperative and postoperative individual retinal layer segmentation at 6 months after epiretinal membrane (ERM) surgery

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