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Risk Factors for Developing Choroidal Neovascular Membrane and Visual Loss in Punctate Inner Choroidopathy.
Ophthalmology 2018 Februrary
PURPOSE: To examine a large cohort of subjects with punctate inner choroidopathy (PIC) looking at risk factors for development of choroidal neovascular membrane (CNVM) and visual loss.
DESIGN: Retrospective case series.
PARTICIPANTS: A total of 203 participants (318 eyes) with PIC seen at Moorfields Eye Hospital between 1996 and 2016.
METHODS: Information was gathered from the clinical notes of all subjects identified with PIC.
MAIN OUTCOME MEASURES: Development of CNVM, moderate visual loss (MVL) (≤20/50), and severe visual loss (SVL) (≤20/200).
RESULTS: Participants were predominantly young (median age at presentation, 32.9 years; interquartile range [IQR], 26.1-42.2), myopic (91.5%), female (87.2%), and white (75.9%). Disease was bilateral at presentation in 115 participants (56.7%), and CNVM was present at presentation in 152 eyes (47.8%). Median follow-up was 8.4 years. New CNVM occurred in 58 eyes (33.5% of affected eyes and 4.3% of initially unaffected eyes). An increased risk of developing CNVM was associated with the presence of a CNVM in the fellow eye (P < 0.0005; hazard ratio [HR], 2.73), and previous oral corticosteroid treatment was associated with halving of the risk of developing CNVM (P = 0.035; HR, 0.45). No difference was observed in visual outcome with oral corticosteroids, but subjects treated with anti-VEGF had better visual outcomes (12-month median visual acuity, logarithm of the minimum angle of resolution [logMAR] 0.00 with anti-VEGF and 0.20 without; P = 0.018). Median best-corrected visual acuity (BCVA) was 20/30 at presentation (IQR, 0.00-0.50) and remained at 20/30 throughout all follow-up periods. Moderate visual loss occurred in 40 eyes (12.6%), with an incidence of 0.01 per eye-year, and SVL occurred in 49 eyes (15.4%), with an incidence of 0.01 per eye-year. Female participants were half as likely as male participants to develop MVL (P = 0.030; HR, 0.448), and participants with CNVM had a higher risk of MVL (P = 0.003; HR, 21.074).
CONCLUSIONS: Visual loss is common in subjects with PIC, predominantly secondary to late development of CNVM. Treatment with oral corticosteroids may help to reduce the risk of CNVM development, and anti-VEGF therapy for CNVM was associated with better clinical outcomes.
DESIGN: Retrospective case series.
PARTICIPANTS: A total of 203 participants (318 eyes) with PIC seen at Moorfields Eye Hospital between 1996 and 2016.
METHODS: Information was gathered from the clinical notes of all subjects identified with PIC.
MAIN OUTCOME MEASURES: Development of CNVM, moderate visual loss (MVL) (≤20/50), and severe visual loss (SVL) (≤20/200).
RESULTS: Participants were predominantly young (median age at presentation, 32.9 years; interquartile range [IQR], 26.1-42.2), myopic (91.5%), female (87.2%), and white (75.9%). Disease was bilateral at presentation in 115 participants (56.7%), and CNVM was present at presentation in 152 eyes (47.8%). Median follow-up was 8.4 years. New CNVM occurred in 58 eyes (33.5% of affected eyes and 4.3% of initially unaffected eyes). An increased risk of developing CNVM was associated with the presence of a CNVM in the fellow eye (P < 0.0005; hazard ratio [HR], 2.73), and previous oral corticosteroid treatment was associated with halving of the risk of developing CNVM (P = 0.035; HR, 0.45). No difference was observed in visual outcome with oral corticosteroids, but subjects treated with anti-VEGF had better visual outcomes (12-month median visual acuity, logarithm of the minimum angle of resolution [logMAR] 0.00 with anti-VEGF and 0.20 without; P = 0.018). Median best-corrected visual acuity (BCVA) was 20/30 at presentation (IQR, 0.00-0.50) and remained at 20/30 throughout all follow-up periods. Moderate visual loss occurred in 40 eyes (12.6%), with an incidence of 0.01 per eye-year, and SVL occurred in 49 eyes (15.4%), with an incidence of 0.01 per eye-year. Female participants were half as likely as male participants to develop MVL (P = 0.030; HR, 0.448), and participants with CNVM had a higher risk of MVL (P = 0.003; HR, 21.074).
CONCLUSIONS: Visual loss is common in subjects with PIC, predominantly secondary to late development of CNVM. Treatment with oral corticosteroids may help to reduce the risk of CNVM development, and anti-VEGF therapy for CNVM was associated with better clinical outcomes.
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