Posters

Inverted ERM flap technique versus double membrane peeling for lamellar holes with co-existent ERM

Poster Details

First Author: K.Kumar INDIA

Co Author(s):    A. Agarwal                             

Abstract Details



Purpose:

To study outcomes of two different techniques of vitrectomy for symptomatic lamellar macular holes (LMH)

Setting:

The study was done at a tertiary centre in India

Methods:

Retrospective interventional study. Main outcome measure was foveal contour at six months. Secondary outcome was visual acuity and microstructural changes in macula on OCT

Results:

Inverted ERM Flap creation with ILM peeling was done in 6 cases of LMH with ERM containing macular pigments (Group A, modified technique). Double membrane (ERM+ILM) peeling was done in 6 cases of LMH with ERM having no macular pigments (Group B, conventional technique). Mean age was 63.66±2.16 years and 62.33±3.01 years in A&B groups respectively. At six months postoperative period, mean CFT recovered from 105.83 ± 22.27μm before surgery to 227.33 ±42.38μm in Group A (p<0.0001) with smooth normal appearing contour. In group B, mean CFT changed from 91.66± 20.43 to 166.83±12.28μm (p=0.03) at the final visit with variable foveal contour. BCVA at 6 months improved in both the groups with significantly better outcome in eyes undergoing inverted ERM flap technique surgery (p= 0.02)

Conclusions:

Modified technique of vitrectomy for LMH helps in recovery of smooth foveal profile whereas conventional technique helps in stabilization of foveal contour

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