Posters

Protocol revision of mydriasis for cataract surgery: cycloplegics and phenylephrine eye drops vs Fydrane®

Poster Details

First Author: G.Benejam Torrent SPAIN

Co Author(s):    I. Méndez Marin   M. Salvat Serra   P. Romero-Aroca              

Abstract Details

Purpose:

To evaluate the need for intracameral (IC) mydriatic (phenylephrine) or iris retractors as a measure of mechanical pupil dilation, irrespective of whether eyes developed intraoperative floppy iris syndrome (IFIS) or not. And secondary, to assess whether the insufficient mydriasis of Fydrane® (phenylephrine 0.31%, lidocaine 1% , tropicamide 0.02%) is related to the use of topical or retrobulbar anaesthesia. (phenylephrine 0.31%, lidocaine 1%, tropicamide 0.02%) is related to the use of topical or retrobulbar anaesthesia.

Setting:

Ophthalmology Department, Sant Joan Hospital, Reus (Tarragona), Spain.

Methods:

Retrospective cohort study of 114 patients undergoing cataract surgery receiving topical dilation group (n= 60) of one drop each of cycloplegic and phenylephrine; repeated three times, or intraoperative mydriasis group (n= 54) with IC Fydrane®. Additional pupil dilation manoeuvres and anaesthesia technique were recorded.

Results:

There was no difference in the use of iris retractors between the group of Fydrane® and the topical group (16%) (p: .305). However, the use of phenylephrine IC was significantly larger in the topical group (0.1%) vs IC group (0%) (p < 0.01) with an OR:0.4 (0.35-0.54). Patients taking medication related to IFIS constricted and needed IC phenylephrine (15%) (p< 0.05), OR: 0.978 (0.948-1.009); although they did not require iris retractors (0%)(p: .652). There was no difference in the use of phenylephrine IC (0.02%) (p: 0,771) or iris retractors (0.1%) (p: 0,669) between cataracts operated with topical or retrobulbar anaesthesia.

Conclusions:

Fydrane® shows no difference in the perioperative mydriasis from dilation when compared with standard eye drops.

Financial Disclosure:

None