Retina (Philadelphia, Pa.) · 2022
OCULAR ANGIOGRAPHIC FEATURES IN JAPANESE PATIENTS WITH VAL30MET HEREDITARY TRANSTHYRETIN AMYLOIDOSIS.
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Kakihara Shinji, Hirano Takao, Kitahara Junya, Matsuda Yorishige, Imai Akira, Miyahara Teruyoshi, Murata Toshinori
Аннотация
PURPOSE: To investigate ocular angiographic features of hereditary transthyretin amyloidosis with transthyretin Val30Met mutation (hATTR-V30M) in Japanese patients.
METHODS: We retrospectively reviewed 102 eyes of 51 patients with hATTR-V30M who underwent fluorescein angiograms and indocyanine green angiograms between 2012 and 2018. Systemic severity score, fluorescein angiograms, indocyanine green angiograms, and ocular amyloidosis presentations at the final angiograms and subsequent neovascular events were evaluated. Primary outcomes were the frequency of choroidal amyloid angiopathy and retinal amyloid angiopathy (RAA). Secondary outcomes were their correlations to the systemic severity score.
RESULTS: Six eyes could not be evaluated by fluorescein angiogram because of vitreous opacity. Of 96 eyes evaluated, RAA was detected in 36 (37.5%). Neovascularization was not detected. Indocyanine green angiogram indicated choroidal amyloid angiopathy in 46/51 patients (90.2%), with distinct patterns-diffuse (n = 6), focal (n = 14), and punctiform (n = 26)-based on late-phase hypercyanescence. Retinal amyloid angiopathy and choroidal amyloid angiopathy grades were associated with systemic severity (ρ = 0.57 and 0.50, respectively; both P < 0.05). At 35.4 ± 28.4 (0-96) months, iris-rubeosis was observed in one eye and vitreous hemorrhage in two.
CONCLUSION: Retinal amyloid angiopathy was less common and choroidal amyloid angiopathy was frequent, and their severity correlated with the systemic severity score. The frequencies of RAA and subsequent neovascular events in this study may suggest regional differences in the ocular angiographic features of hATTR-V30M.
METHODS: We retrospectively reviewed 102 eyes of 51 patients with hATTR-V30M who underwent fluorescein angiograms and indocyanine green angiograms between 2012 and 2018. Systemic severity score, fluorescein angiograms, indocyanine green angiograms, and ocular amyloidosis presentations at the final angiograms and subsequent neovascular events were evaluated. Primary outcomes were the frequency of choroidal amyloid angiopathy and retinal amyloid angiopathy (RAA). Secondary outcomes were their correlations to the systemic severity score.
RESULTS: Six eyes could not be evaluated by fluorescein angiogram because of vitreous opacity. Of 96 eyes evaluated, RAA was detected in 36 (37.5%). Neovascularization was not detected. Indocyanine green angiogram indicated choroidal amyloid angiopathy in 46/51 patients (90.2%), with distinct patterns-diffuse (n = 6), focal (n = 14), and punctiform (n = 26)-based on late-phase hypercyanescence. Retinal amyloid angiopathy and choroidal amyloid angiopathy grades were associated with systemic severity (ρ = 0.57 and 0.50, respectively; both P < 0.05). At 35.4 ± 28.4 (0-96) months, iris-rubeosis was observed in one eye and vitreous hemorrhage in two.
CONCLUSION: Retinal amyloid angiopathy was less common and choroidal amyloid angiopathy was frequent, and their severity correlated with the systemic severity score. The frequencies of RAA and subsequent neovascular events in this study may suggest regional differences in the ocular angiographic features of hATTR-V30M.