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Journal Information
Vol. 89. Issue 8.
Pages 336-339 (August 2014)
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Vol. 89. Issue 8.
Pages 336-339 (August 2014)
Short communication
Hyperhomocysteinemia in chronic alcoholism: A case with retinal manifestations
Manifestaciones retinianas secundarias a hiperhomocisteinemia en un caso de alcoholismo crónico
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L. Palmero-Fernández
Corresponding author
laurapalmerof@gmail.com

Corresponding author.
, F. Fernández-Treguerres, E. Santos-Bueso, F. Sáenz-Francés, J.M. Martínez-de-la-Casa, J. García-Feijóo, J. García-Sánchez
Departamento de Neuro-oftalmología, Hospital Clínico San Carlos, Madrid, Spain
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Abstract
Case report

An alcoholic patient with loss of vision in his right eye and a peripapillar hemorrhage, who then presented with a venous thrombosis. Blood analysis revealed hyperhomocysteinemia with coagulation parameters within the normal range. In the follow-up he developed a bilateral optic neuropathy.

Discussion

An increase in homocysteine levels is common in alcoholics, and it has been considered a vascular risk factor. Folic acid and vitamins B6 and B12 deficiency may lead to hyperhomocysteinemia, as they participate in its metabolism.

Conclusions

When presented with a retinal occlusive disease or ischemic optic neuropathy in young patients, coagulation disorders and elevated levels of homocysteine should be ruled out.

Keywords:
Hyperhomocysteinemia
Optic neuropathy
Retinal vein occlusion
Alcoholism
Resumen
Caso clínico

Paciente alcohólico con disminución de agudeza visual en el ojo derecho, presentando una hemorragia peripapilar temporal superior y, posteriormente, trombosis de subrama venosa. La analítica mostró hiperhomocisteinemia con coagulación normal. En la evolución desarrolló una neuropatía óptica bilateral.

Discusión

La elevación de homocisteína es común en alcohólicos, considerándose un factor de riesgo cardiovascular. El ácido fólico y las vitaminas B6 y B12 participan en el metabolismo y su déficit puede incrementar sus niveles.

Conclusiones

Ante la observación de fenómenos vasculares oclusivos retinianos y neuropatía óptica isquémica en pacientes jóvenes, se deben descartar alteraciones en la coagulación y aumento de homocisteína.

Palabras clave:
Hiperhomocisteinemia
Neuropatía óptica
Oclusión venosa retiniana
Alcoholismo

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