Predictive value of retinal oximetry, optical coherence tomography angiography and microperimetry in patients with treatment-naïve branch retinal vein occlusion

Katrine Hartmund Frederiksen*, Frederik Nørregaard Pedersen, Anna Stage Vergmann, Dawei Yang, Caroline Schmidt Laugesen, Jesper Pindbo Vestergaard, Torben Lykke Sørensen, Carol Y. Cheung, Ryo Kawasaki, Tunde Peto, Jakob Grauslund

*Kontaktforfatter

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Abstract

Vascular endothelial growth factor inhibitors have substantially improved the visual outcomes in patients with macular edema (ME) caused by branch retinal vein occlusion (BRVO), but treatment outcomes are highly variable and early prediction of expected clinical outcome would be important for individualized treatment. As non-invasive metabolic, structural and functional retinal markers might act as early predictors of clinical outcomes, we performed a 12-month, prospective study aimed to evaluate if baseline retinal oximetry, optical coherence tomography angiography (OCT-A) or microperimetry were able to predict need of treatment, structural or functional outcome in patients with ME caused by treatment-näive BRVO. We evaluated 41 eyes of 41 patients with a mean age of 69.6 years and 56% females. We found a strong tendency towards a higher retinal arteriolar oxygen saturation in patients without a need of additional aflibercept treatment after the loading phase (99.8% vs. 92.3%, adjusted odds ratio 0.80 (95% confidence interval 0.64-1.00), adjusted p = 0.058), but otherwise, retinal oximetry, OCT-A or microperimetry were not able to predict need of treatment, structural nor functional outcomes. (Trial registration: clinicaltrials.gov, S-20,170,084. Registered 24 August 2014, https://clinicaltrials.gov/ct2/show/NCT03651011)

OriginalsprogEngelsk
Artikelnummer38
TidsskriftInternational Journal of Retina and Vitreous
Vol/bind9
Udgave nummer1
Antal sider5
ISSN2056-9920
DOI
StatusUdgivet - dec. 2023

Bibliografisk note

Funding Information:
JG conceptualized and initiated the study. JG and KHF acquired financial support. KHF, FNP, ASV, CSL, JPV, TLS and JG conducted patient inclusion and follow-up visits. DY and CYC analyzed and interpreted OCT-A MATLAB analyses. KHF had full access to all data in the study, and take responsibility for the data integrity and accuracy of the data analysis. KHF drafted the manuscript. All authors contributed to the design of the study; interpretation of data and critical revision and editing of the manuscript. The corresponding author attests that all listed authors met authorship criteria, and that no others meeting the criteria have been omitted from the author list.

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