October 12, 2010
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Study finds important risk factors for BRVO in young patients

Retina. 2010;30(9):1520-1523.

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Younger and older patients share the same risk factors for branch retinal vein occlusion, including systemic hypertension, hyperlipidemia and increased body mass index, a study found.

In the observational case series, researchers reviewed medical records of 60 consecutive patients aged 49 years and younger with branch retinal vein occlusion (BRVO).

Patients with a history of systemic hypertension, hyperlipidemia and increased body mass index were found to have an increased risk for BRVO. However, diabetes, smoking and hormone replacement therapy were not found to be risk factors, according to the study.

"We believe that obtaining a complete blood count, reviewing the medical history and evaluating the patient for common cardiovascular risk factors are important parts of the initial workup of young patients with BRVO," the authors said. "If no clear risk factors are found, a more extensive or specialized workup guided by a review of systems should be considered."