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Journal Information
Vol. 58. Issue 4.
Pages 138-142 (January 2007)
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Vol. 58. Issue 4.
Pages 138-142 (January 2007)
Original articles
Autoimmune Hearing Loss: Improving Diagnostic Performance
Sordera autoinmunitaria: mejorando el rendimiento de su diagnóstico
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José Ramón García-Berrocal
Corresponding author
jrgarciab@yahoo.com

Correspondence: Servicio de Otorrinolaringología. H.U. Puerta de Hierro. San Martín de Porres, 4. 28035 Madrid. España.
, Rafael Ramírez-Camacho, Almudena Trinidad
Grupo de Investigación Otológica, Servicio de Otorrinolaringología, Hospital Universitario Puerta de Hierro, Universidad Autónoma de Madrid, Madrid, Spain
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Objectives

Due to the lack of specific serological markers for the diagnosis of immune-mediated hearing loss, an exhaustive immunologic work-up study for patients is usually performed. The aim of the present study is to find the most cost-effective laboratory tests used for the diagnosis of this entity.

Patients and method

Comparative study between 2 groups of patients with a high suspicion of suffering diverse clinical forms of immune-mediated hearing loss, subjected to different serologic testing designs the classical immunologic work-up study (125 patients) in comparison with a more restricted examination analysis (57 patients), based on a high risk profile recently reported.

Results

Diagnostic efficiency was similar.

Conclusions

Since financial resources are limited, ANAand immunophenotype of PBL (peripheral blood lymphocytes) are recommended for the evaluation of a patient with suspected immune-mediated hearing loss.

Key words:
ANA
T-lymphocytes
Immune-mediated inner ear disease
Serological tests
Objetivos

La falta de especificidad de los marcadores serológicos para el diagnóstico de la sordera inmunomediada obliga a realizar un exhaustivo estudio inmunológico. El objetivo del presente trabajo consiste en la búsqueda de las pruebas de laboratorio más sensibles para el diagnóstico controvertido de esta entidad.

Pacientes y método

Estudio comparativo entre dos grupos de pacientes con un alto índice de sospecha de sordera inmunomediada, sometidos a distintos protocolos de estudio: análisis clásico, que incluía una batería exploratoria más amplia y un mayor número de pacientes (125) frente a un estudio restringido, basado en un perfil de alto riesgo recientemente descrito por nuestro grupo, que incluyó a 57 pacientes.

Resultados

La eficiencia diagnóstica obtenida con ambos protocolos fue similar.

Conclusiones

Dado que los recursos financieros son limitados, se aconseja aplicar una batería exploratoria restringida al estudio de los ANA y al inmunofenotipo para el diagnóstico de la sordera inmunomediada.

Palabras clave:
ANA
Linfocitos T
Enfermedad inmunomediada del oído interno
Tests serológicos

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