Controlled Cyclo-photocoagulation: Preliminary Results of a Pilot Study

Kappuhne A., Reinhard T., Vandemeulebroecke N., Sundmacher R.,
Heinrich-Heine-Universität Düsseldorf, Universitäts-Augenklinik (Düsseldorf)

Purpose: In comparison to conventional cyclodestructive measures controlled cyclophotocoagulation has been suggested to obtain effective control of intraocular pressure with less side-effects.¹
Patients: Between April 2001 and February 2002 controlled cyclophotocagulation was performed in 31 glaucoma eyes of 26 patients (COCO®, diode laser, 809 nm). Sixteen effects (up to 0,5 seconds and 5 watt per effect) were performed in the whole circumference of the eye. Sixteen eyes suffered from secondary (5 eyes with glaucoma surgery prior to controlled cyclophotocoagulation) and 15 eyes from primary chronic glaucoma (13 eyes with glaucoma surgery prior to controlled cyclophotocoagulation). If intraocular pressure was still elevated 6 weeks after treatment the procedure was repeated. After another 6 weeks a third controlled cyclophotocoagulation was performed in case of persistence of elevated intraocular pressure. Current mean follow up is 6,8 ± 2,9 months.
Results: Up to now, 25 of the 31 eyes were followed for at least 6 weeks. In 17 eyes intraocular pressure was well controlled within the follow up, in 13 eyes after one treatment, in 2 eyes after 2 treatments and in 2 further eyes after 3 treatments. None of the eyes showed signs of inflammation on the postoperative first day.
Conclusions: Controlled cyclophotocoagulation might turn out to become an effective and safe amarment in the treatment of complicated glaucoma.
¹Preußner PR. Kontrollierte Zyklophotokoagulation. Ophthalmologe (1998) 95:645-650

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