Natural history of non-neovascular pigment epithelial detachments (PEDs): Comparison between serous and drusenoid PEDs

AJO International Pub Date : 2025-01-03 DOI:10.1016/j.ajoint.2025.100100

Mathilde M. Goudot , Eric H. Souied , Donato Colantuono , Camille Jung , Carl-Joe Mehanna , Benjamin Memmi , Giuseppe Querques , Salomon-Yves Cohen , Alexandra Miere

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Abstract

Purpose

To describe the long-term natural history of non-neovascular pigment epithelial detachments (nnPEDs), by comparing the multimodal imaging features of either serous or drusenoid PEDs (SPED and DPED) in patients with age-related macular degeneration.

Methods

Eyes with nnPEDs > 700 μm in width and a height > 150 μm on spectral domain optical coherence tomography (SD-OCT), with at least 12 months follow-up, were included. SPED and DPED were distinguished. SD-OCT qualitative and quantitative variables were compared at baseline, at the time of maximal PED height, and at the final visit.

Results

Forty-seven eyes of 31 patients were followed for 69 ± 35 months (mean age 68 ± 7.2 years): 27 eyes in the DPED group and 20 eyes in the SPED group. SPEDs were significantly higher and wider than DPEDs at the maximal PED height visit (p = 0.007 and p = 0.023, respectively). More apertures (p = 0.007), i.e., sharply demarcated discontinuities of the PED, and lateral subretinal fluid (p = 0.008) were observed in SPEDs. There was no significant difference between the two groups in the qualitative analysis or in the evolution over time. Ten eyes (50 %) with SPEDs and 11 eyes (41 %) with DPEDs (p = 0.46) progressed toward geographic atrophy, and 4 eyes (20 %) with SPEDs and 3 eyes (11 %) with DPEDs (p = 0.68) progressed toward fibrosis.