Vascular changes after vitrectomy for rhegmatogenous retinal detachment: optical coherence tomography angiography study.
foveal avascular zone
rhegmatogenous retinal detachment
superficial and deep vessel density
vitrectomy
Journal
Acta ophthalmologica
ISSN: 1755-3768
Titre abrégé: Acta Ophthalmol
Pays: England
ID NLM: 101468102
Informations de publication
Date de publication:
Aug 2020
Aug 2020
Historique:
received:
28
06
2019
accepted:
31
10
2019
pubmed:
28
11
2019
medline:
28
11
2019
entrez:
28
11
2019
Statut:
ppublish
Résumé
To analyse the postoperative foveal avascular zone (FAZ) area, superficial vessel density (SVD) and deep vessel density (DVD) and their correlation with functional (best-corrected visual acuity, BCVA) and anatomical outcomes (foveal macular thickness, FMT) after surgery for rhegmatogenous retinal detachment (RRD) repair. Patients with RRD eyes, successfully treated with a single pars plana vitrectomy (PPV) with gas tamponade and a minimum 12 months follow-up, were re-examined. Foveal avascular zone (FAZ) area, SVD, DVD and FMT were evaluated by using optical coherence tomography angiography (OCTA) and compared to fellow eye. Fifty-six patients with macula-on and 37 with macula-off RRD were included in the study. In both groups, no difference in FMT and FAZ area was found compared to fellow eyes. In macula-on RRD eyes, a lower parafoveal DVD (p = 0.001) was detected; FAZ area was related to FMT (p = 0.025), and the postoperative BCVA was correlated with parafoveal DVD (p = 0.010) and FAZ area (p = 0.003). In macula-off RRD eyes, lower parafoveal SDV (p = 0.012), and foveal and parafoveal DVD (p = 0.012 and p < 0.001, respectively) were observed. BCVA was related to FAZ area (p = 0.012), foveal SVD (p = 0.005) and parafoveal DVD (p = 0.010). Rhegmatogenous retinal detachment eyes successfully treated with PPV had lower vessel density in the superficial and deep retinal plexus compared to fellow healthy eyes; BCVA was related to FAZ area and vessel density.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e563-e569Informations de copyright
© 2019 Acta Ophthalmologica Scandinavica Foundation. Published by John Wiley & Sons Ltd.
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