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Vol. 19. Issue 3.
Pages 242-247 (January 2008)
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Vol. 19. Issue 3.
Pages 242-247 (January 2008)
Descompresiva microvascular en la neuralgia del trigémino: factores pronósticos
Microvascular descompression for trigeminal neuralgia: pronostic factors
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1922
F. Alberione**,***,****,
, A. Arena**,***,****, R. Matera*,**,***,****
* Hospital Italiano. Buenos Aires. Argentina
** Hospital Británico. Buenos Aires. Argentina
*** Sanatorio Agote. Buenos Aires. Argentina
**** Clínica Sagrada Familia. Buenos Aires. Argentina
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Resumen
Objetivo

Presentar nuestra experiencia de la descompresiva microvascular en la neuralgia del trigémino típica e identificar los factores pronóstico.

Material y métodos

Estudio retrospectivo de una serie de 89 casos intervenidos entre 1995 y 2005. Se analizaron las variables con significación pronóstica atendiendo a criterios demográficos, duración evolutiva de la neuralgia, cantidad de ramas afectadas, hallazgo quirúrgico y material utilizado en la descompresión. Los datos obtenidos fueron analizados por la prueba de χ2.

Resultados

La tasa de muy buena evolución al año fue del 77%. De las variables analizadas no alcanzaron significación estadística la edad y antecedentes de HTA. Juegan un papel desfavorable: el sexo femenino, la duración evolutiva de la neuralgia mayor a 2 años, el compromiso de las tres ramas del trigémino, la compresión venosa y la utilización de músculo como material de separación del conflicto neuro-vascular.

Conclusión

La DMV es una técnica eficaz y segura. No recomendamos utilizar músculo como elemento de interposición vasculo-nerviosa debido a los malos resultados observados. Plantear otra modalidad terapéutica en los casos de afectación de las tres ramas trigeminales.

Palabras clave:
Neuralgia del trigémino
Descompresiva microvascular
Factores pronósticos
Seguimiento
Abreviaturas:
DMV
NT
Summary
Background

We describe our experience of the MVD in the typical trigeminal neuralgia and identify the prognostic factors.

Method

A retrospective studio of 89 cases between 1995–2005 was used. The prognostic significant data evaluated were demographics data; duration of neuralgia; the affected divisions involved; surgical findings; used material for the decompression. The data analysis was made with the χ2 test.

Results

We have found an excellent outcome in 77% one year later. The age and the antecedent of hypertension disease were not statistically significant. A poor outcome was observed for: female sex, neuralgia lasting longer than two years, the three divisions involved, venous compression and the muscle used as surgical material.

Conclusions

The MVD is an effective and reliable technique. The use of muscle is not recommended. When the three trigeminal divisions are involved we should choose another technique.

Key words:
Trigeminal neuralgia
Microvascular decompression
Prognostic factors
Outcome

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