Is there a relationship between the keratoconus and the peripapillary choroidal vasculature?
Choroidal vascularity index
Keratoconus
Parapapillary choroidal microvascular density
Retinal nerve fiber layer thickness
Journal
International ophthalmology
ISSN: 1573-2630
Titre abrégé: Int Ophthalmol
Pays: Netherlands
ID NLM: 7904294
Informations de publication
Date de publication:
07 Oct 2024
07 Oct 2024
Historique:
received:
30
05
2024
accepted:
28
09
2024
medline:
7
10
2024
pubmed:
7
10
2024
entrez:
7
10
2024
Statut:
epublish
Résumé
To evaluate the peripapillary/parapapillary choroidal vascular parameters in the keratoconus (KC) and to determine the relationship between topography parameters and the peripapillary/parapapillary choroidal vascular parameters. Ninety eyes of ninety patients with different stages of KC and 29 eyes of twenty-nine patients without KC were enrolled in the study. Patients with KC were divided into three groups according to the Amsler-Krumeich classification scale. The choroidal vasculature was assessed by choroidal vascular parameters [such as parapapillary choroidal microvascular density (pCMVd) and peripapillary choroidal vascularity index (pCVI)]. These parameters were also evaluated for correlation with other parameters. The retinal nerve fibre layer thickness (RNFLT) of the superior-temporal area and the pCVI were decreased in group 3 compared to the control group (superiror-temporal RNFLT: 122.27 ± 21.43 vs 139.90 ± 21.7, p = 0.01 and pCVI: 67.04 ± 4.14 vs 69.99 ± 4.38, p = 0.04). The superior-temporal RNFLT was decreased in group 3 compared to group 2 (122.27 ± 21.43 vs 141.83 ± 25.58, p = 0.006). There was a negative correlation between pCVI and average simulated keratometry (mean sim K), but this association was weak (r = - 0.29 p = 0.001). This study demonstrated that there may be changes in pCVI in patients with grade 3 KC and that there may be an association between pCVI and mean sim K. As KC grade increases, pCVI may decrease. Furthermore, pCVI may have a negative correlation with mean sim K.
Identifiants
pubmed: 39373776
doi: 10.1007/s10792-024-03323-2
pii: 10.1007/s10792-024-03323-2
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
404Informations de copyright
© 2024. The Author(s), under exclusive licence to Springer Nature B.V.
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