Presenting characteristics and prevalence of polypoidal choroidal vasculopathy in Scandinavian patients with treatment-naïve exudative age-related macular degeneration

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Abstract

Purpose

To study presenting characteristics and prevalence of polypoidal choroidal vasculopathy (PCV) in Scandinavian Caucasians with treatment-naïve exudative age-related macular degeneration (AMD).

Methods

We reviewed all patients referred in year 2014 and diagnosed using fundus examination, optical coherence tomography, and fluorescein and indocyanine green angiography (ICGA). Details of found PCVs and its subtypes (clinical and angiographical) were correlated to the baseline best-corrected visual acuity (BCVA).

Results

Of 299 Caucasian patients with a tentative diagnosis of exudative AMD, 18 eyes of 17 patients (5.7%, CI 95%: 3.5–9.1%) had PCV. Patients with PCV were 75.8 (SD: 7.5) years old and 11 (65%) were females. Lesions were predominantly extramacular. Most eyes (56%) had subretinal haemorrhage, 39% had the exudative type and one (6%) eye had the quiescent type. Larger lesion area and disruption of the foveal inner-segment/outer-segment layer correlated with worse baseline BCVA. Polypoidal choroidal vasculopathy (PCV) type 1 was present in 50% and PCV type 2 in the other 50%. Polypoidal choroidal vasculopathy (PCV) type 1 was associated with a worse baseline BCVA and greater lesion size.

Conclusion

Polypoidal choroidal vasculopathy (PCV) is not a rare condition in Danes with exudative AMD and presents often extramacular and with haemorrhage. This study underscores the importance of ICGA as a part of the diagnostic repertoire in AMD and suggests its routine use in Scandinavian populations.

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