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External argon laser choroidotomy for subretinal fluid drainage
J K Challa1, A B Hunyor, T J Playfair
1Sydney Eye Hospital, New South Wales, Australia.
Australian and New Zealand Journal of Ophthalmology
|April 2, 1998
Summary
External argon laser choroidotomy effectively drains subretinal fluid (SRF) during retinal detachment repair. This method proved safe and successful in 94% of cases, aiding scleral buckling procedures.
Area of Science:
- Ophthalmology
- Retinal Surgery
Background:
- Rhegmatogenous retinal detachment (RRD) necessitates surgical repair.
- Subretinal fluid (SRF) accumulation can complicate RRD repair, including scleral buckling.
- Effective drainage of SRF is crucial for successful surgical outcomes.
Purpose of the Study:
- To assess the efficacy and safety of external argon laser choroidotomy for SRF drainage.
- To evaluate SRF drainage as an adjunct to scleral buckling for RRD repair.
Main Methods:
- Fifty patients with RRD underwent external argon laser choroidotomy for SRF drainage.
- Laser parameters: 0.5s duration, 0.8W power.
- Outcomes measured: successful SRF drainage and complication incidence.
Main Results:
- Successful SRF drainage was achieved in 47 out of 50 eyes (94%).
- Complications included minor subretinal hemorrhage (12%) and one case of retinal perforation (2%).
- Drainage was sufficient to facilitate the planned scleral buckling procedure in successful cases.
Conclusions:
- External argon laser choroidotomy is an effective technique for draining SRF in RRD.
- The procedure demonstrates a favorable safety profile for use during scleral buckling.