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Inicio Archivos de la Sociedad Española de Oftalmología (English Edition) Everyday anisocoria: Anisocoria epidemiology in a secondary care setting
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Vol. 87. Issue 7.
Pages 206-215 (July 2012)
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Vol. 87. Issue 7.
Pages 206-215 (July 2012)
Original article
Everyday anisocoria: Anisocoria epidemiology in a secondary care setting
Anisocoria cotidiana: epidemiología de la anisocoria en un centro de nivel secundario
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J. González Martín-Moroa,
Corresponding author
juliogmm@yahoo.es

Corresponding author.
, B. Pilo de la Fuenteb, A. Clement Corrala, Y. Fernández de Miguela, F. Gómez Sanza, R. Cobo Sorianoa
a Servicio de Oftalmología, Hospital del Henares, Coslada, Madrid, Spain
b Servicio de Neurología, Hospital del Sureste, Arganda del Rey, Madrid, Spain
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Tables (3)
Table 1. Demographic data.
Table 2. Patient clinical details.
Table 3. Diagnostics.
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Abstract
Objective

To determine the relative importance of the different forms of anisocoria in a General Hospital.

Methods

A prospective, longitudinal study was conducted including all patients referred for this reason to the Neuro-Ophthalmology Unit of the Henares University Hospital, Madrid, Spain, from November 2008 to October 2011. The differences in pupil diameter were studied under high and low luminosity. The patients were given a full ophthalmological examination, as well as performing the apraclonidine, cocaine, pilocarpine 0.125% and pilocarpine 2% tests, if they were considered necessary.

Results

Thirty-two cases of anisocoria were referred during the three years of the study. No relationship was found with age or gender. The diagnostic results were: Adie's pupil, 4 cases; Horner syndrome, 5 cases; benign episodic unilateral mydriasis, 3 cases; local causes, 4 cases; physiological anisocoria, 5 cases. Despite a full clinical history and examination, the cause of the anisocoria could not be determined in 11 cases. In 4 of these cases, the patients suffered from migraines and in another 4 psychotropic drugs were taken. Both risk factors were present in 3 cases. In one case the anisocoria was the initial clue that led to the diagnosis of a cervical paraganglioma.

Conclusions

Anisocoria is a clinical sign that does not usually signify a serious disease. With our protocols, a high number of anisocoria cases are still of unknown origin. Migraines and psychotropic drugs could be linked to these forms of anisocoria.

Keywords:
Anisocoria
Migraine
Psychotropic drugs
Horner syndrome
Adie's tonic pupil
Benign episodic unilateral mydriasis
Resumen
Objetivo

Determinar la importancia relativa de las distintas formas de anisocoria en un centro sanitario de nivel secundario.

Métodos

Estudio prospectivo longitudinal, incluyendo todos los pacientes remitidos por este motivo a la consulta de Neuroftalmología del Hospital Universitario del Henares, Madrid, España, desde noviembre de 2008 hasta octubre de 2011. Se estudiaron las diferencias en el diámetro pupilar en condiciones de alta y baja luminosidad. Los pacientes fueron someti-dos a una exploración oftalmológica completa, y a las pruebas de apraclonidina, cocaína, pilocarpina 0,125% y pilocarpina 2% en caso de considerarse necesario.

Resultados

Treinta y dos casos de anisocoria fueron referidos durante estos 3 años. No se encontró asociación con la edad ni el sexo. Los diagnósticos fueron: pupila de Adie, 4 casos; síndrome de Horner, 5 casos; midriasis unilateral episódica benigna, 3 casos; causas locales, 4 casos; anisocoria fisiológica, 5 casos. A pesar de una completa historia clínica y exploración, la causa de la anisocoria no se pudo determinar en 11 casos. En 4 de estos casos el paciente padecía migrañas y en otros 4 consumía psicofármacos. En 3 casos ambos factores de riesgo estaban presentes. En un caso la anisocoria fue la pista inicial que llevó al diagnóstico de un paraganglioma cervical.

Conclusiones

La anisocoria es un signo clínico que no traduce habitualmente enfermedad grave. Con nuestros protocolos, un número alto de los casos de anisocoria queda sin filiar. La migraña y los psicofármacos podrían estar asociados a estas formas de anisocoria.

Palabras clave:
Anisocoria
Migraña
Psicofármacos
Síndrome de Horner
Pupila tónica de Adie
Midriasis unilateral episódica benigna

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