American journal of ophthalmology · 2021
Multimodal Imaging Comparison of Polypoidal Choroidal Vasculopathy Between Asian and Caucasian Populations.
СтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Corvi Federico, Chandra Shruti, Invernizzi Alessandro, Pace Lucia, Viola Francesco, Sivaprasad Sobha, Staurenghi Giovanni, Cheung Chui Ming Gemmy, Teo Kelvin Yi Chong
Аннотация
PURPOSE: Differences in multimodal imaging features between Asian and Caucasian eyes may contribute to our understanding of the etiology of the polypoidal choroidal vasculopathy (PCV). The purpose of this study was to compare the multimodal imaging features of Asian and Caucasian eyes with PCV.
DESIGN: Cross-sectional, retrospective, multicenter, observational case series.
METHODS: Consecutive treatment-naïve patients diagnosed with PCV based on indocyanine green angiography in accordance with published guidelines. Demographic and multimodal imaging findings based on color fundus photography, spectral domain optical coherence tomography, fluorescein angiography, and indocyanine green angiography were graded.
RESULTS: A total of 250 participants with PCV (128 Asian vs 122 Caucasian participants) were included. Asian participants presented with lower best-corrected visual acuity (mean ± SD: 0.7 ± 0.6 logMAR vs 0.4 ± 0.3 logMAR; P < .001) compared with Caucasian participants. More Asian eyes had subretinal hemorrhage (mean ± SD: 53.9% vs 24.6%; P < .001) and larger areas of hemorrhage (mean ± SD: 7.5 ± 15.2 mm2 vs 1.3 ± 3.3 mm2; P < .001). More Asian eyes had pachyvessels (84.4% vs 28.7%; P < .001), choroidal vascular hyperpermeability (70.3% vs 17.2%; P < .001), and widespread polypoidal lesions (19.5% vs 8.2%; P = .005), and Caucasian eyes had more drusen (79.5% vs 49.2%; P = .02).
CONCLUSIONS: Multimodal imaging analysis revealed ethnic differences in disease characteristics of PCV, suggesting pathophysiologic mechanism of the disease vary based on ethnicity.
DESIGN: Cross-sectional, retrospective, multicenter, observational case series.
METHODS: Consecutive treatment-naïve patients diagnosed with PCV based on indocyanine green angiography in accordance with published guidelines. Demographic and multimodal imaging findings based on color fundus photography, spectral domain optical coherence tomography, fluorescein angiography, and indocyanine green angiography were graded.
RESULTS: A total of 250 participants with PCV (128 Asian vs 122 Caucasian participants) were included. Asian participants presented with lower best-corrected visual acuity (mean ± SD: 0.7 ± 0.6 logMAR vs 0.4 ± 0.3 logMAR; P < .001) compared with Caucasian participants. More Asian eyes had subretinal hemorrhage (mean ± SD: 53.9% vs 24.6%; P < .001) and larger areas of hemorrhage (mean ± SD: 7.5 ± 15.2 mm2 vs 1.3 ± 3.3 mm2; P < .001). More Asian eyes had pachyvessels (84.4% vs 28.7%; P < .001), choroidal vascular hyperpermeability (70.3% vs 17.2%; P < .001), and widespread polypoidal lesions (19.5% vs 8.2%; P = .005), and Caucasian eyes had more drusen (79.5% vs 49.2%; P = .02).
CONCLUSIONS: Multimodal imaging analysis revealed ethnic differences in disease characteristics of PCV, suggesting pathophysiologic mechanism of the disease vary based on ethnicity.