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KMID : 0213520150290010047
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Korean Journal of Ophthalmology
2015 Volume.29 No. 1 p.47 ~ p.52
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Long-term Results from Cyclocryotherapy Applied to the 3O’clock and 9O’clock Positions in Blind Refractory Glaucoma Patients
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Kim Byoung-Seon
Kim Young-Jun
Seo Seong-Wook
Yoo Ji-Myong
Kim Seong-Jae
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Abstract
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Purpose: To report the long-term follow-up results after cyclocryotherapy, applied to the 3-o’clock and 9-o’clock
positions in blind refractory glaucoma patients.
Methods: We retrospectively reviewed the charts of 19 blind patients, and a total of 20 eyes with refractory glaucoma who were treated with cyclocryotherapy. Cyclocryotherapy treatments were performed using a retinal cryoprobe. The temperature of each cyclocryotherapy spot was -80°C and each spot was maintained in place for 60 seconds. Six cyclocryotherapy spots were placed in each quadrant, including the 3-o’clock and 9-o’clock positions.
Results: The mean baseline pretreatment intraocular pressure (IOP) in all eyes was 50.9 ± 12.5 mmHg, which significantly decreased to a mean IOP at last follow-up of 14.1 ± 7.1 mmHg (p < 0.001). The mean number of antiglaucoma medications that patients were still taking at last follow-up was 0.3 ± 0.6. Devastating post-procedure phthisis occurred in only one eye.
Conclusions: Cyclocryotherapy, performed at each quadrant and at the 3-o’clock and 9-o’clock position, is an effective way to lower IOP and, thus, is a reasonable treatment option for refractory glaucoma patients who experience with ocular pain and headaches.
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KEYWORD
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Cryotherapy, Refractory glaucoma
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