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Risk factors associated with retinal vein occlusion.

F Martínez1, E Furió, M J Fabiá

  • 1Internal Medicine Department, Fundación de Investigación del Hospital Clínico de Valencia- INCLIVA, Hospital Clínico Universitario, Universidad de Valencia, Valencia, Spain; "Centro de Investigación Biomédica en Red (CIBER) de Fisiopatología, Obesidad y Nutrición (CIBEROB)", Institute of Health Carlos III, Minister of Health, Madrid, Spain.

International Journal of Clinical Practice
|February 20, 2014
PubMed
Summary
This summary is machine-generated.

Hypertension is a primary driver of retinal vein occlusion (RVO), often presenting as the first sign of undiagnosed high blood pressure. Atherosclerotic disease is also common in RVO patients.

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Area of Science:

  • Ophthalmology
  • Vascular Medicine
  • Cardiology

Background:

  • Retinal vein occlusion (RVO) is a significant retinal vascular disease.
  • Arterial risk factors play a more critical role in RVO development than venous factors.

Purpose of the Study:

  • To investigate the specific risk factors contributing to the initial occurrence of RVO.
  • To assess the prevalence of arterial and venous risk factors in RVO patients.

Main Methods:

  • A cohort of 100 RVO patients underwent clinical assessments, including blood pressure, BMI, and laboratory tests (homocysteine, antiphospholipid antibodies).
  • Carotid ultrasonography was performed on half the patients.
  • Control groups from population-based studies and venous thromboembolic disease patients were used for comparison.

Main Results:

  • RVO patients exhibited significantly higher blood pressure and hypertension prevalence compared to the general population.
  • A substantial portion of RVO patients had undiagnosed hypertension and evidence of subclinical organ damage.
  • Homocysteine levels and antiphospholipid antibody prevalence in RVO patients were comparable to those with venous thromboembolic disease.

Conclusions:

  • Hypertension is identified as the principal factor in RVO development, with RVO potentially being the initial clinical manifestation.
  • Most RVO patients showed signs of underlying atherosclerotic disease.
  • Thrombophilia studies were not deemed useful for RVO, while hyperhomocysteinemia and antiphospholipid antibodies were more prevalent than in the general population.