Multimodal Imaging Analysis of Retinal and Microvascular Changes in Alport Syndrome
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By
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Irem Kirci Dogan
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Caner Incekas
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Imren Akkoyun
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Sezin Akca Bayar
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Gursel Yilmaz
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January 19, 2026
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Clinical Scorecard: Multimodal Imaging Analysis of Retinal and Microvascular Changes in Alport Syndrome
At a Glance
| Category | Detail |
| Condition | Alport Syndrome |
| Key Mechanisms | Pathogenic variants in COL4A3, COL4A4, or COL4A5 genes affecting type IV collagen structure. |
| Target Population | Patients with genetically or clinically confirmed Alport syndrome. |
| Care Setting | Tertiary referral center. |
Key Highlights
- Prevalence estimated at 1 in 2,320 for X-linked and 1 in 106 for autosomal dominant forms.
- Ocular manifestations include anterior lenticonus and dot-and-fleck retinal changes.
- Microvascular alterations observed via OCT-A, including reduced FAZ area and vascular density.
- Study involved 34 patients with AS and 68 matched controls.
- Comprehensive evaluation using spectral-domain OCT and swept-source OCT-A.
Guideline-Based Recommendations
Diagnosis
- Genetic confirmation via pathogenic variants in COL4A3, COL4A4, or COL4A5.
- Clinical diagnosis based on systemic and ocular features.
Management
- Regular ophthalmologic examinations including BCVA and fundus examination.
Monitoring & Follow-up
- Utilization of OCT and OCT-A for assessing retinal structure and microvascular changes.
Risks
- Exclusion of patients with other retinal diseases or significant media opacity.
Patient & Prescribing Data
Patients with genetically or clinically confirmed Alport syndrome.
Focus on monitoring ocular manifestations and structural changes.
Clinical Best Practices
- Conduct comprehensive ophthalmologic examinations.
- Utilize OCT for detailed retinal layer analysis.
- Ensure accurate genetic testing for diagnosis.
References