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10 - 12 February 2017, MECC Maastricht,The Netherlands.

This Meeting has been awarded 15 CME credits.

Re-bubbling for graft detachment after Descemet's membrane endothelial keratoplasty: technique and clinical outcome

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Session Details

Session Title: Moderated Poster Session: Miscellaneous
Session Date/Time: Saturday 11/02/2017 | 13:00-14:15
Paper Time: 13:40
Venue: Poster Area


First Author: L. Baydoun THE NETHERLANDS
Co Author(s): E. Fernandez  N. Gerber-Hollbach  L. Ham  G. Melles        

Abstract Details

Purpose:

To describe re-bubbling techniques and clinical outcome in eyes with visually significant graft detachment after Descemet membrane endothelial keratoplasty (DMEK).

Setting:

Netherlands Institute for Innovative Ocular Surgery / tertiary referral center

Methods:

Out of 760 consecutive DMEK surgeries, 41 eyes (39 patients) received re-bubbling. Anterior segment optical coherence tomography and surgical videos were used to determine the best incisional approach for air injection, intraoperative maneuvers, and the success rate (graft re-attachment) at one week postoperatively. Main outcome measures: Best corrected visual acuity (BCVA), endothelial cell density (ECD) and pachymetry at 6 months postoperatively were compared to a matched control group with uneventful primary DMEK.

Results:

Re-bubbling was performed on average 26 (±21) days after DMEK. Graft-edge visibility and detachment type determined the area of air injection. Excluding upside-down grafts (n=3) resulted in a success rate of 87% (33/38 eyes). BCVA and pachymetry did not differ (P>0.05), whereas ECD decrease was higher in re-bubbled eyes compared to controls (54% vs. 35%, P<0.05).

Conclusions:

Re-bubbling is a feasible procedure to manage graft detachment after DMEK. Re-bubbling may give similar visual outcomes as in uncomplicated DMEK, when performed within the first postoperative weeks. Re-bubbled eyes may show lower ECD, which may be attributed to additional air bubble trauma and/or selection bias through more extensive manipulation during initial DMEK or higher risk of detachment in complicated eyes.

Financial Disclosure:

receives consulting fees, retainer, or contract payments from a company producing, developing or supplying the product or procedure presented

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