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Elevated epiretinal membrane, intraoperative enface OCT projection

Session Details

Session Title: Vitreoretinal Surgery V

Session Date/Time: Sunday 20/09/2015 | 11:00-13:00

Paper Time: 11:56

Venue: Hermes

First Author: : F.Pavlidis GERMANY

Co Author(s): :                  

Abstract Details

PURPOSE:Purpose: Evaluation of a new en face OCT analysis tool for identification and visualization of elevated epiretinal membrane (Gap-Map).To assess the value of the area of the epiretinal membrane (ERM), which is not in contact with the retinal structure, as an intraoperative projection application and a prognostic factor for ERM surgery outcome.

Setting:

Augencentrum Köln

Methods:

Methods: Retrospective consecutive study including 80 eyes of 73 patients with the diagnosis of ERM. All eyes underwent pars plana vitrectomy (PPV) and ERM peeling assisted by a colouring agent by an experienced surgeon. Corrected distance visual acuity (CDVA) and CFT were evaluated preoperatively and at 6 months postoperatively. Furthermore, the ERM portion which was elevated was detected in the OCT image and processed digitally to obtain its area.

Results:

Results: LogMAR CDVA improved significantly with surgery (p<0.01). CFT decreased significantly with surgery (p<0.01). A statistically significant correlation was found between the change in LogMAR CDVA and preoperative CFT (r=-0.60, p<0.01), the preoperative elevated area of ERM and the change in LogMAR CDVA (r=-0.73, p<0,05).

Conclusions:

Conclusions: This new enface OCT report (Gap-Map) could be used for safer membrane peeling and for prognostic evaluation of preoperative ERM. A better visual outcome is expected after PPV and membrane peeling in ERM eyes with preoperative high levels of elevated gliosis and CFT.

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