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논문 기본 정보

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학술저널
저자정보
오재령 (고려대학교 의과대학 안과학교실) 윤창기 (서울대학교 의과대학 안과학교실) 김보희 (서울대학교병원) 유형곤 (서울대학교 의과대학 서울대학교병원 안과학교실)
저널정보
대한안과학회 Korean Journal of Ophthalmology Korean Journal of Ophthalmology 제35권 제1호
발행연도
2021.1
수록면
51 - 63 (13page)

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Purpose: To assess the safety and efficacy of selective retina therapy (SRT) using a Q-switched neodymium-doped yttriumlithium fluoride laser with feedback systems in patients with idiopathic central serous chorioretinopathy (CSC). Methods: This randomized clinical trial enrolled patients having at least 3-month symptom of CSC. From month 3 visit, allsubjects in both groups were eligible for SRT retreatment if they showed persistent or recurrent subretinal fluid (SRF). The primaryoutcome was complete resolution of SRF by optical coherence tomography at 3 months after treatment. The secondaryoutcomes were changes in SRF, central macular thickness (CMT) and best-corrected visual acuity at the 1-, 3-, and 6-monthexaminations. Results: Sixty-eight CSC patients were included (SRT, 31; control, 37). After 1 and 3 months, complete resolution of SRF wasachieved in 25.8% and 54.8% of SRT group and 17.6% and 35.1% of controls. The differences were not statistically significant(p = 0.424 and p = 0.142, respectively). However, mixed model for repeated measures analyses showed that the reduction ofSRF and CMT were observed earlier in SRT group than in the sham group (least squares mean difference, -59.7 μm; 95% confidenceinterval, -98.2 to -21.2; p = 0.0029; least squares mean difference -67.0 μm; 95% confidence interval, -104.8 to -29.2;p = 0.0007, respectively). Significant reduction of SRF (≥50% reduction from baseline) was more frequently observed in SRTgroup (80.6%) than the sham group (44.1%) at month 1 (p = 0.007). Early reduction of SRF and CMT was more abundant inSRT group with symptom duration less than 6 months. Treatment related serious adverse events were not observed. Conclusions: SRT using a Q-switched neodymium-doped yttrium lithium fluoride laser with feedback system was safe in thistrial and effective for early resolution of SRF in the CSC patients. Early intervention with SRT can be a safe alternative for patientswith acute symptomatic CSC.

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