Abstract

DO.16.02

Frequency of vitreoretinal complications after cyclophotocoagulation

Wagenfeld L., Klemm M., Feuerberg F., Galambos P., Wiermann A., Richard G., Zeitz O.
Klinik und Poliklinik für Augenheilkunde, Universitätsklinikum Eppendorf, Hamburg

Objective: Cyclophotocoagulation (CPC) is a frequently chosen approach in surgical IOP reduction in glaucoma patients. Hypotony and phtisis bulbi are the most severe of the known side effects. CPC leads to a transient inflammation mainly of the anterior eye segment. This led to the hypothesis that CPC might be associated with an increased incidence of macula complications.
Methods: A retrospective analysis of all patients that were treated by CPC in the years 2005 to 2007 was performed. We looked for vitreoretinal conditions that were operated on after CPC treatment.
Results: The analysis concerned 707 patients that were treated with a total of 1456 cyclophotocoagulations. 15 patients had to undergo surgery because of vitreoretinal conditions after CPC. Among the reasons we found macular pucker 3x, vitreoretinal traction 2x, macular edema 2x, retinal detachment 2x, choroidal neovascularisation 2x, endophthalmitis 2x, vitreous haze and secondary glaucoma in one case each. Average time between the last CPC and vitreoretinal surgery was 336 ± 38.6 days. Most of the patients have a complex ophthalmologic history with multiple surgeries in the past independent from the CPC.
Conclusions: A direct relation between CPC and the occurrence of vitreo-retinal complications in need of surgery cannot be drawn. Among the low incidence of 15/707 cases, most of the patients already had complex ocular conditions independent from CPC which makes the suspected causality between CPC and certain vitreoretinal diseases unlikely.

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