Surgical outcomes of small-gauge pars plana vitrectomy for tractional maculopathy in retinitis pigmentosa

Session Details

Session Title: Free Paper Session 15: Mixed Session

Session Date/Time: Friday 08/09/2017 | 16:30-18:00

Paper Time: 17:30

Venue: Room 117

First Author: : U.Park SOUTH KOREA

Co Author(s): :    U. Park   D. Ma   H. Yu                       

Abstract Details

Purpose:

To evaluate the surgical outcomes of small-gauge pars plana vitrectomy (PPV) for tractional maculopathy in patients with retinitis pigmentosa (RP).

Setting:

We retrospectively reviewed the charts of 18 consecutive RP patients (22 eyes) who underwent PPV for tractional maculopathy at Seoul National University Hospital between May 2008 and January 2017. Tractional maculopathy included macular hole (n=5), epiretinal membrane (n=11), vitreomacular traction (n=3), and tractional retinal detachment involving macula (n=3).

Methods:

Best-corrected visual acuity (BCVA), fundus examination, and spectral domain optical coherence tomography (OCT) image were collected at baseline, at 1M, 3M, 6M after PPV, and at final follow-up. A standard three port 23- or 25-gauge PPV was performed. The association between the BCVA and the ellipsoid zone (EZ) status on OCT image was evaluated.

Results:

The mean age was 53.0 ± 10.1 years and mean follow-up period was 23.7± 22.3 months. The BCVA improvement from baseline was significant at 1M, 3M, 6M after PPV and at the final follow-up (P < 0.005 for all). Morphological improvement of EZ band was obtained in 18 of 22 eyes (81.8%) based on OCT. The association between BCVA and the EZ band status was significant at baseline, at 1M, 3M, 6M after PPV, and at the final follow-up (P<0.05 for all). The preoperative EZ defect was significantly associated with the postoperative BCVA at 1M, 3M, 6M after PPV and at the final follow-up. (p<0.05 for all).

Conclusions:

Small-gauge PPV was tolerable in the management of tractional maculopathy in RP patients. Status of the EZ band on OCT was an important factor associated with visual outcome and to be considered in the choice of PPV.

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