Comparison of postoperative intraocular pressure in patients with Densiron-68 vs conventional silicone oil: a case–control study

Abstract

A solution of perfluorohexyloctane and silicone oil with a specific gravity of 1.06 g/cm 3 (Densiron-68) has similar properties as conventional silicone oil (SO) in terms of the shape of the bubble and its ability to act as an internal tamponade agent. We conducted a case-control study to compare the postoperative intraocular pressure (IOP) in patients treated with Densiron-68 with those treated with SO. Methods Seventy-one eyes of 71 patients and 57 eyes of 57 patients who had received Densiron-68 and SO, respectively, were included in our study. Both groups were found to have matched for their preoperative comorbidities (diabetes, glaucoma, phakic status, and refractive errors). IOP at first day, between seventh and fourteenth day, and at 4 week postoperatively was recorded. Results The mean IOP was higher in patients treated with Densiron-68 at day 1 and between seventh and fourteenth day postoperatively (P ¼ 0.05 and 0.01, respectively). By the 4th week, the IOP difference between the two groups was insignificant (P ¼ 0.17). The difference in the two groups could still be clinically significant and the raised IOP in Densiron-68 group was more difficult to treat in some cases. On day 1, nine eyes (12.7%) in the Densiron-68 group and two eyes (3.5%) in the SO group had IOP greater than 30 mmHg. At 4 weeks, IOP of more than 30 mmHg was seen in nine eyes (12.7%) in the Densiron-68-treated group and in one eye (1.8%) in the SO group. ConclusionThe use of Densiron-68 was associated with a higher IOP in the early postoperative period when compared with SO.

Complications After Heavy Silicone Oil Tamponade in Complicated Retinal Detachment

“…5,8,15 In our study, 6 eyes (18.2%) had temporarily increased IOP after HSO tamponade, which responded well to topical antiglaucoma therapy. We consider this not very much relevant to HSO.…”

Primary vitrectomy with Densiron-68 for rhegmatogenous retinal detachment

“…By the 4th week from the surgery, the IOP difference between the two groups was insignificant (p= 0.17), although the raised IOP in Densiron-68 group was more difficult to treat in some cases [26].…”

Clinical complications of Densiron 68 intraocular tamponade for complicated retinal detachment

“…23 In a comparative series of Wong et al, 24 the use of Densiron 68 was associated with a higher IOP in the early postoperative period when compared with SO. On day 1, nine eyes (12.7%) in the Densiron 68 group and two eyes (3.5%) in the conventional silicone oil group had IOP higher than 30 mmHg.…”