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Surgical outcomes in patients with optic disc pit maculopathy: does peeling the ILM lead to better outcomes?
Helena Wagner1,2, Amelie Pielen3, Hansjürgen Agostini1,2
1Eye Center at Medical Center, University of Freiburg, Killianstrasse 5, Freiburg, Germany.
Purpose:
Optic disc pits (ODPs) are rare congenital anomalies. Several patients develop optic disc pit maculopathy (ODP-M): visual impairment caused by intra- and/or subretinal fluid. Treatment mode remains controversial. This study was designed to investigate the effectiveness of pars plana vitrectomy (PPV) and gas tamponade with or without internal limiting membrane (ILM)-peeling in improving visual acuity and reducing subretinal fluid in ODP-M patients.
Methods:
We retrospectively reviewed the charts of 16 patients who underwent surgery for ODP-M from 2002-2015. Six patients underwent PPV with gas tamponade (group 1); ten patients additionally received ILM-peeling (group 2). Pre- and postoperative visual acuity and central retinal thickness (CRT) were compared between groups, as well as retinal morphology and the number of secondary vitrectomies and complications.
Results:
Median visual acuity improved by 2 ETDRS lines in both groups (p = 0.713, Mann-Whitney U test). Median CRT decreased by 426.5 µm and 460 µm (p = 0.931). One patient in group 1 underwent repeat vitrectomy for persistent retinoschisis. Three patients in group 2 required repeat vitrectomy: two to treat a macular hole, one for peripheral retinal holes with retinal detachment.
Conclusion:
In our cohort, PPV with gas tamponade proved to be an effective first-line treatment for ODP-M. Additional ILM-peeling did not give a significant benefit in this study.
