outer retinal defects in pachychoroid pigment epitheliopathy · 2020. 11. 4. · vaidehi s....
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Outer retinal defects in pachychoroidpigment epitheliopathyAugust 2020
Vaidehi S. Dedania, MDAssistant Professor of OphthalmologyAdult and Pediatric Vitreoretinal SurgeryNYU School of MedicineNYU Langone Health
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Disclosures
•Allergan: Advisory board•Alimera: Advisory board•Regeneron: Advisory board
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SummaryThis is a case series of 11 eyes of 8 patients with outer retinal defects in the setting of pachychoroid pigment epitheliopathy. Patients demonstrated focal outer retinal defects (EZ +/- IZ), with an intact RPE. Patients maintained good visual acuity and the defects were stable in patients with long-term follow-up.
At presentation20/20
9 months later20/20
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Purpose
• Purpose: To describe unique outer retinal defects in patients with pachychoroid pigment epitheliopathy.
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Methods
• Study design: prospective, observational case series of patients examined between October 2017 and January 2020 at a single center (New York University)
• Evaluation performed: comprehensive ophthalmologic examination and imaging: enhanced depth imaging-OCT (Heidelberg Spectralis), fluorescein angiography, OCT-angiography (Zeiss)
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Methods
• Inclusion criteria: presence of pachychoroid vessels or choroidal thickness ≥390 μm on EDI-OCT, outer retinal disruption of the EZ and/or IZ on SD-OCT, pigmentary changes on fundus examination history of or concurrent IRF or SRF on OCT
• Exclusion criteria: history of or concurrent IRF or SRF or serous PED on OCT, choroidal neovascularization, typical AMD and macular telangiectasia Type 2.
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• 11 eyes of 8 patients• Gender: 3 female and 5 male• Mean age: 61.38 years (range 48 – 71)• Co-morbid conditions
• Diabetes mellitus type 2: 4 patients
• 3 eyes with diabetic retinopathy
• 3 eyes without diabetic retinopathy
• Hypertension: 4
• Obstructive sleep apnea: 3
• Mean follow-up: 12.75 months*
*in patients with long-term follow-up (4) 7
Results
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• Mean subfoveal choroidal thickness: 481 ±104 μm (range 320 – 699)• Mean BCVA: LogMAR 0.14 (approximately Snellen 20/30)• Foveal involvement: 6 eyes• Dilated choroidal vessels immediately underlying focal disruption: 4 eyes• OCT findings:
• EZ/IZ disruption: 10 eyes
• IZ disruption only: 1
• Pachyvessel underlying defect: 4
• Overlying ELM hyper-reflectivity: 7
• Transmission defect: 5
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Results
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Results
EZ/IZ disruption
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Results
IZ disruption only
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Results
Transmission defect
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Results
Pachyvessel underlying defect
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Results
ELM hyper-reflectivity
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Results
• SD-OCT demonstrates focal defects in the EZ and IZ with preservation of the RPE. The focal defects demonstrate stability over 9 months.
At presentation20/20
9 months later20/20
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Results
• OCT-A demonstrates focal defects in the sub-RPE and choriocapillarislayers only, corresponding to the focal defects in the EZ/IZ.
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Conclusions
• Patients with pachychoroid pigment epitheliopathy may develop focal outer retinal defects in the EZ and/or IZ.
• Patients have a stable disease course and retain visual acuity.
• There may be an increased risk of these defects in patients with diabetes.
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Susan Elner, MD
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Thank you!