Abstract
To assess the posterior vitreous release rates following a single, office-based intravitreal injection of expansile gas in treating vitreomacular traction. Thirty eyes of 29 consecutive patients with symptomatic vitreomacular traction received a single, office-based intravitreal injection of up to 0.3 mL of 100% perfluoropropane (C3F8). Overall, vitreomacular traction release occurred in 25 of 30 eyes by the final follow-up visit (83% final release rate); furthermore, 90% (9 of 10 eyes) with diabetes mellitus released, 83% (5 of 6 eyes) with concurrent epiretinal membrane released, and 83% (5 of 6 eyes) previously treated with ocriplasmin released. Vitreomacular traction release occurred overnight in some patients and was documented on spectral domain optical coherence tomography at an average of 13 days (range, 1-62 days). The phakic release rate was 89% (16 of 18 eyes) versus a 75% pseudophakic release rate (9 of 12 eyes) (P = 0.3173). Ellipsoid zone changes on spectral domain optical coherence tomography occurred in 1 of 30 gas-treated eyes. One patient developed pupillary block. Office-based intravitreal injection of C3F8 offers an inexpensive and effective treatment for vitreomacular traction, including for patients who underwent previous ocriplasmin administration and in patients with diabetes mellitus or epiretinal membrane.
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