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Choroidal ischemia as one cardinal sign in giant cell arteritis
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Choroidal ischemia as one cardinal sign in giant cell arteritis
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Journal Article
Choroidal ischemia as one cardinal sign in giant cell arteritis
2022
Overview
Purpose
To describe chorioretinal signs in a case series of Giant Cell Arteritis (GCA).
Methods
This is a multicenter retrospective observational case series with GCA that presented with a headache and an abrupt, unilateral loss in vision. Workup included temporal artery biopsies, intravenous fluorescein angiography, optical coherence tomography (OCT), optical coherence tomography angiography (OCTA), blood levels of erythrocyte sedimentation rate (ESR), and C-reactive protein (CRP).
Results
There are a total of 8 GCA instances presented. Average age was 74.5. (Range 68–83 years). The patients reported that one eye's visual loss had suddenly started, along with a fresh headache and other systemic symptoms. Eight patients exhibited choroidal ischemia, five paracentral acute middle maculopathy (PAMM) lesions, five cotton wool spots, four anterior ischemic optic neuropathy, and one central retinal arterial occlusion at the time of presentation. The average ESR at presentation was 68 mm/hr (range 4–110), and 4/6 individuals had a significant increase. The mean CRP level was 6.2 mg/dL (range 2.0–15.4), and the level was always over the normal range. All patients' temporal artery biopsies were positive.
Conclusion
Alongside PAMM lesions, cotton wool spots, anterior ischemic optic neuropathy, and central retinal artery occlusion, choroidal ischemia is a key angiographic indicator in the diagnosis of GCA. It may be crucial to recognize these typical ischemic chorioretinal signs while diagnosing GCA.
