Evaluation of collateral vessels on optical coherence tomography angiography in macular edema associated with branch retinal vein occlusion (BRVO)

Evaluation of collateral vessels on optical coherence tomography angiography in macular edema associated with branch retinal vein occlusion (BRVO) - Evaluation of collateral vessels on OCTA in macular edema associated with BRVO

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000033870

Enrollment

Registered

2018-10-31

Start date

2018-03-31

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Branch Retinal Vein Occlusion

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.BRVO patients with macular edema who underwent optical coherence tomography angiography at baseline and were followed-up more than 6 months 2.Japanese patients 3.Patients considered as eligible for this study by the investigator

Exclusion criteria

Exclusion criteria: 1.Patients whose images were too poor quality to be analyzed, who had thick retinal hemorrhage, or severe macular edema 2.Presence of other macular disease 3.High myopia greater than -6.0 diopters(D) 4.Patients judged by the investigator to be ineligible for other reasons

Design outcomes

Primary

Measure	Time frame
The time, the frequency, and the location of occurrence on collateral vessels	—

Secondary

Measure	Time frame
Whether the collateral vessels were leaky, whether the collateral vessels were accompanied by microaneurysms, and the relationship with macular edema	—

Countries

Japan

Contacts

Public ContactYoshio Hirano

Nagoya City University Graduate School of Medical Sciences Depertment of Ophthalmology and Visual Science

yoshio.hirano@gmail.com052-853-8251

Outcome results