J Korean Ophthalmol Soc > Volume 57(2); 2016 > Article
Journal of the Korean Ophthalmological Society 2016;57(2):256-263.
DOI: https://doi.org/10.3341/jkos.2016.57.2.256    Published online February 1, 2016.
Changes in Choroidal Thickness after Panretinal Photocoagulation in Diabetic Retinopathy Patients.
Sung Yu, Yong Il Kim, Kyoo Won Lee, Hyun Gu Kang
Cheil Eye Hospital, Daegu, Korea. flowerchild03@hanmail.net
범망막 레이저 광응고술 후 맥락막 두께 변화
유 성⋅김용일⋅이규원⋅강현구
제일안과병원
Abstract
PURPOSE
To investigate the changes in choroidal thickness in diabetic retinopathy patients after panretinal photocoagulation (PRP). METHODS: This retrospective study included 42 eyes of treatment-naive, severe non-proliferative diabetic retinopathy or proliferative diabetic retinopathy patients undergoing 3-session PRP. At baseline and 1 and 2 months after completion of the PRP treatments, subfoveal choroidal thickness (SFCT) was measured using enhanced depth imaging optical coherence tomography. RESULTS: The mean SFCT at baseline was 261.52 +/- 77.98 microm, changing to 249.14 +/- 72.23 microm and 242.95 +/- 70.28 microm at 1 and 2 months, respectively (p < 0.05). The mean central macular thickness (CMT) was increased (>10%) in 9 eyes (21.43%) at 1 month and 8 eyes (19.05%) at 2 months after PRP. The mean SFCT showed no significant difference between increased mean CMT (238.22 +/- 57.59 microm and 240.00 +/- 67.71 microm at 1 and 2 months, respectively) and stable mean CMT groups (252.12 +/- 76.24 microm and 243.65 +/- 71.84 microm at 1 and 2 months, respectively; p > 0.05). CONCLUSIONS: Choroidal thickness decreased after PRP. There was no significant relationship between change in SFCT and CMT after PRP.
Key Words: Choroidal thickness;Diabetic retinopathy;Enhanced depth imaging optical coherence tomography;Panretinal photocoagulation


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