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Polypoidal choroidal vasculopathy in Chinese patients
A K H Kwok1, T Y Y Lai, C W N Chan
1Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong, People's Republic of China. kwokak@ha.org.cn
The British Journal of Ophthalmology
|July 26, 2002
Summary
This study on polypoidal choroidal vasculopathy (PCV) in Chinese patients found a male predominance and macular polyp location. Visual prognosis remains guarded, with significant variation in outcomes across ethnic groups.
Area of Science:
- Ophthalmology
- Retinal Diseases
- Vascular Conditions
Background:
- Polypoidal choroidal vasculopathy (PCV) is a subtype of age-related macular degeneration.
- Understanding PCV in specific ethnic groups is crucial for tailored treatment strategies.
Purpose of the Study:
- To detail the clinical characteristics and treatment outcomes of PCV in Chinese patients.
- To compare the efficacy of laser treatment versus no treatment for PCV.
Main Methods:
- Retrospective review of 204 indocyanine green angiographies (ICGA) for suspected age-related macular degeneration.
- Inclusion criteria: ICGA showing PCV features and Chinese ethnicity.
- Patient data and visual acuity were analyzed retrospectively and through follow-up assessments.
Main Results:
- 22 eyes from 19 Chinese patients were analyzed (9.3% of initial cohort).
- Common features included subretinal hemorrhage, retinal exudation, and hemorrhagic pigment epithelial detachment.
- Laser treatment showed a trend towards better visual outcomes, though not statistically significant (56% vs. 31% stable/improved vision).
Conclusions:
- PCV in Chinese patients frequently presents with male predominance, unilateral involvement, and macular polyp location.
- The overall visual prognosis for PCV is generally poor, irrespective of treatment.
- Significant ethnic variations exist in the natural progression and presentation of PCV.