Abstract
BackgroundMicropulse transscleral cyclophotocoagulation (MP-CPC) is a technique that has been approved in recent years to treat glaucoma. MP-CPC causes anterior chamber inflammation; a relationship with reduced intraocular pressure (IOP) has not been reported. Therefore, we analyzed the correlation between IOP and anterior chamber aqueous flare after MP-CPC.MethodsThis retrospective study included 37 eyes of 37 patients who underwent MP-CPC between November 2018 and October 2020. IOP and flare values were measured at 1, 4, and 12 weeks after MP-CPC. Correlations were assessed between the percentage IOP reduction and flare elevation by calculating Spearman’s rank correlation coefficient.ResultsThe percentage IOP reduction at 1 week after surgery was correlated with the flare elevation at 1 week after surgery (ρ = 0.47, P = 0.006). The percentage IOP reduction at 12 weeks after surgery was correlated with the flare elevation at 4 weeks after surgery (ρ = 0.53, P = 0.006).ConclusionsA short-term correlation was implied between reduced IOP and flare elevation after MP-CPC.
Highlights
Micropulse transscleral cyclophotocoagulation (MP-CPC) is a technique that has been approved in recent years to treat glaucoma
Visual acuity was measured in the form of decimal visual acuity with the Landolt chart and converted into the logarithm of the minimum angle of resolution (LogMAR) scale, where counting fingers (CF), hand motion (HM), light perception (LP), and no light perception (NLP) were assigned values of 2.1, 2.4, 2.7, and 3.0, respectively [9]
We observed a positive correlation between postoperative reduction in intraocular pressure (IOP) and elevated aqueous flare after MP-CPC
Summary
Micropulse transscleral cyclophotocoagulation (MP-CPC) is a technique that has been approved in recent years to treat glaucoma. MP-CPC causes anterior chamber inflammation; a relationship with reduced intraocular pressure (IOP) has not been reported. We analyzed the correlation between IOP and anterior chamber aqueous flare after MP-CPC. Glaucoma is the leading cause of blindness worldwide. The damage to the optic nerve and visual field caused by glaucoma is progressive and irreversible [1]. The only reliable evidence-based treatment for glaucoma is the lowering of intraocular pressure (IOP). Laser, and surgical therapies [2, 3]. Used continuous-wave transscleral cyclophotocoagulation (CW-CPC) is an effective method to lower IOP, but patients can develop serious complications, such as phthisis bulbi [4, 5].
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