Related Experiment Videos
Polypoidal choroidal vasculopathy: natural history
Masanobu Uyama1, Mitsumasa Wada, Yoshimi Nagai
1Department of Ophthalmology, Kansai Medical University, Moriguchi, Osaka, Japan. uyamam@ceres.ocn.ne.jp
American Journal of Ophthalmology
|May 7, 2002
Summary
Polypoidal choroidal vasculopathy (PCV) is a chronic condition with variable outcomes. While some patients experience a favorable course, others face persistent bleeding and vision loss, particularly those with grape-like vascular clusters.
Area of Science:
- Ophthalmology
- Vascular Biology
- Retinal Diseases
Background:
- Polypoidal choroidal vasculopathy (PCV) is a distinct subtype of exudative age-related macular degeneration.
- Understanding the long-term natural history of PCV is crucial for effective patient management.
Observation:
- A prospective observational study followed 14 eyes of 12 PCV patients for at least 2 years.
- Patients underwent regular ophthalmologic examinations and angiography (fluorescein and ICG).
- Inclusion criteria specified serous/hemorrhagic PED and retinal detachment with characteristic ICG findings.
Findings:
- PCV manifested in exudative (serous PED, retinal detachment) and hemorrhagic (hemorrhagic PED, subretinal hemorrhage) patterns.
- Indocyanine green angiography revealed dynamic polypoidal choroidal neovascularization that could grow and regress, with persistent vascular networks.
- Aneurysmal dilations resembling grape clusters were associated with severe bleeding, leakage, and poor outcomes.
Implications:
- Polypoidal choroidal vasculopathy is a chronic, persistent disease with a variable clinical course.
- Fifty percent of patients had a favorable prognosis, while the other half experienced recurrent complications and visual decline.
- Eyes with grape-like vascular clusters face a significantly higher risk of severe vision loss, highlighting the need for targeted monitoring and treatment strategies.