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

  • Department of Obstetrics and Gynaecology, Prince of Wales Hospital, the Chinese University of Hong Kong, Hong Kong Special Administrative Region.
  • Zealand University Hospital, Roskilde
  • University of Copenhagen
  • Osaka University
  • Queen's University Belfast

Research output: Contribution to journal › Journal article › Research › peer-review

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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)

Original languageEnglish
Article number38
JournalInternational Journal of Retina and Vitreous
Volume9
Issue number1
Number of pages5
ISSN2056-9920
DOIs
Publication statusPublished - Dec 2023

Funding

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.

Keywords

  • Branch retinal vein occlusion
  • Microperimetry
  • Optical coherence tomography angiography
  • Retinal oximetry
  • Vascular endothelial growth factor inhibition

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