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Published on: August 6, 2021
Adult Coats' disease in branch retinal vein occlusion
1Moorfields Eye Hospital, London, England.
Insights
Adult Coats disease can develop after a branch retinal vein occlusion. This case highlights peripheral telangiectasis and aneurysms linked to retinal ischemia, suggesting vascular remodeling plays a role.
Area of Science:
- Ophthalmology
- Vascular Biology
- Retinal Diseases
Background:
- Coats disease is typically a congenital condition characterized by retinal telangiectasis and exudation.
- Branch retinal vein occlusion (BRVO) is a common retinal vascular event.
- Adult-onset Coats disease is rare, and its association with BRVO is seldom reported.
Observation:
- A case of adult-onset Coats disease was identified secondary to a branch retinal vein occlusion.
- Angiographic findings revealed peripheral retinal telangiectasis, aneurysm formation, and vascular incompetence.
- These vascular abnormalities were directly related to peripheral retinal ischemia.
Findings:
- The study demonstrates a direct link between BRVO and the development of Coats disease in an adult.
- Angiography elucidated the specific vascular changes, including telangiectasis and aneurysms, in the ischemic periphery.
- Vascular remodeling is proposed as a key mechanism in this uncommon complication.
Implications:
- This case expands the known etiologies of adult Coats disease.
- Understanding the role of vascular remodeling in BRVO-induced Coats disease may inform future treatment strategies.
- Highlights the importance of considering Coats disease in adults presenting with retinal vascular abnormalities post-BRVO.
Abstract:
We report a case of adult Coats disease secondary to a branch retinal vein occlusion. Angiograms show the relationship of the peripheral telangiectasis, aneurysm formation and vascular incompetence to the peripheral retinal ischaemia. The possible role of vascular remodelling in the pathogenesis of this uncommon complication of a common condition is discussed.
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