Macular neovascularization in AMD, CSC and best vitelliform macular dystrophy: quantitative OCTA detects distinct clinical entities.
Journal
Eye (London, England)
ISSN: 1476-5454
Titre abrégé: Eye (Lond)
Pays: England
ID NLM: 8703986
Informations de publication
Date de publication:
12 2021
12 2021
Historique:
received:
15
06
2020
accepted:
07
01
2021
revised:
16
12
2020
pubmed:
27
1
2021
medline:
15
4
2022
entrez:
26
1
2021
Statut:
ppublish
Résumé
To perform a quantitative optical coherence tomography (OCT) angiography (OCTA) analysis of macular neovascularization (MNV) secondary to age-related macular degeneration (AMD), central serous chorioretinopathy (CSC) and best vitelliform macular dystrophy (BVMD), with the aim of highlighting quantitative features indicating different clinical entities. Study design: prospective, interventional. We recruited patients affected by AMD, CSC or BVMD, complicated by naive MNV. All patients underwent complete ophthalmologic examination and multimodal imaging. They were treated with anti-VEGF injections, following a pro-re-nata regimen. The ensuing follow-up lasted 1 year. Quantitative dye-based angiography, OCT, and OCTA parameters were analysed to obtain cutoff values able to distinguish two clinically different patient subgroups for each retinal disease. The main outcome measures were best-corrected visual acuity (BCVA), central macular thickness, vessel density of superficial, deep and choriocapillaris plexa, vessel tortuosity (VT) of MNV, vessel dispersion of MNV, number of injections, MNV/leakage ratio, MNV size, speckled fluorescence, and outer retinal atrophy. Ninety-eight eyes affected by MNV (98 patients) were analysed. These included 66 eyes affected by AMD, 18 displaying CSC, and 14 eyes with BVMD. BCVA was alike in the three groups, both at baseline and after 1 year (p > 0.05). An MNV VT cutoff of 8.40 at baseline detected two patient subgroups differing significantly in terms of morpho-functional features, found both at baseline and at the end of the follow-up. Quantitative OCTA suggested that the MNV's VT might be able to provide a better characterization of two different morpho-functional manifestations in AMD, CSC and BVMD.
Sections du résumé
BACKGROUND
To perform a quantitative optical coherence tomography (OCT) angiography (OCTA) analysis of macular neovascularization (MNV) secondary to age-related macular degeneration (AMD), central serous chorioretinopathy (CSC) and best vitelliform macular dystrophy (BVMD), with the aim of highlighting quantitative features indicating different clinical entities.
METHODS
Study design: prospective, interventional. We recruited patients affected by AMD, CSC or BVMD, complicated by naive MNV. All patients underwent complete ophthalmologic examination and multimodal imaging. They were treated with anti-VEGF injections, following a pro-re-nata regimen. The ensuing follow-up lasted 1 year. Quantitative dye-based angiography, OCT, and OCTA parameters were analysed to obtain cutoff values able to distinguish two clinically different patient subgroups for each retinal disease. The main outcome measures were best-corrected visual acuity (BCVA), central macular thickness, vessel density of superficial, deep and choriocapillaris plexa, vessel tortuosity (VT) of MNV, vessel dispersion of MNV, number of injections, MNV/leakage ratio, MNV size, speckled fluorescence, and outer retinal atrophy.
RESULTS
Ninety-eight eyes affected by MNV (98 patients) were analysed. These included 66 eyes affected by AMD, 18 displaying CSC, and 14 eyes with BVMD. BCVA was alike in the three groups, both at baseline and after 1 year (p > 0.05). An MNV VT cutoff of 8.40 at baseline detected two patient subgroups differing significantly in terms of morpho-functional features, found both at baseline and at the end of the follow-up.
CONCLUSIONS
Quantitative OCTA suggested that the MNV's VT might be able to provide a better characterization of two different morpho-functional manifestations in AMD, CSC and BVMD.
Identifiants
pubmed: 33495568
doi: 10.1038/s41433-021-01396-2
pii: 10.1038/s41433-021-01396-2
pmc: PMC8602382
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
3266-3276Informations de copyright
© 2021. The Author(s), under exclusive licence to The Royal College of Ophthalmologists.
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