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Sulfur hexafluoride-induced hemorrhage displacement led to better visual acuity in study

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Intravitreal injections of sulfur hexafluoride led to better visual outcomes than perfluoropropane gas in patients with submacular hemorrhage due to exudative AMD, a study found.

Yonina Ron, of Rabin Medical Center in Israel, and colleagues reviewed outcomes in 11 patients treated with perfluoropropane gas and 13 patients treated with sulfur hexafluoride. Their results are published in the January issue of Ophthalmologica.

The researchers found the resultant pneumatic displacement led to a statistically significant improvement in mean visual acuity in both groups (P = .015). The difference between pre- and postop visual acuity in the sulfur hexafluoride patients was significant (P = .034) but not in the perfluoropropane gas patients (P = .245).