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A Murine Model of Ischemic Retinal Injury Induced by Transient Bilateral Common Carotid Artery Occlusion
Published on: November 12, 2020
Central retinal artery occlusion and infective endocarditis: rigor does matter
J Piqueras Flores1, G Esquinas Blanco2, M Pinilla Rivas3
1Servicio de Cardiología, Hospital General Universitario de Ciudad Real, Ciudad Real, España.
Insights
Central retinal artery occlusion (CRAO) can be a rare symptom of infective endocarditis. Prompt diagnosis of this serious condition requires high clinical suspicion, even without typical fever.
Area of Science:
- Ophthalmology
- Cardiology
- Infectious Diseases
Background:
- Infective endocarditis (IE) is a serious infection of the heart valves.
- Central retinal artery occlusion (CRAO) is a rare but devastating ophthalmological emergency.
Observation:
- A patient presented with acute amaurosis (vision loss) as the sole symptom.
- The patient had a history of mitral regurgitation and positive blood cultures for Streptococcus viridans.
Findings:
- Transesophageal ultrasound revealed native valve infective endocarditis.
- CRAO was the presenting manifestation of IE in this afebrile patient.
Implications:
- This case highlights the diverse presentations of infective endocarditis.
- Ophthalmologists and cardiologists must maintain high clinical suspicion for IE in patients with CRAO, even without fever.
- Systematic evaluation is crucial for identifying serious underlying conditions associated with CRAO.
Clinical Case:
A patient with acute amaurosis due central retinal artery occlusion (CRAO), who had mitral regurgitation and Streptococcus viridans positive blood cultures. Using transesophageal ultrasound, the patient was diagnosed with native valve infective endocarditis without fever, and with loss of vision as the only symptom.
Discussion:
CRAO due to infective endocarditis is rare and there are few cases reported in the literature. Semiology and a systematic and comprehensive study of patients with this ophthalmological pathology helps uncover serious underlying medical conditions. Infective endocarditis has many different forms of presentation and a high clinical suspicion is often required to reach a diagnosis.
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