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Measurement of Nasal Trigeminal Pungency Threshold: Comparison between Normals and Patients with Decreased Sense of Smell
Journal of Rhinology ; : 113-118, 2000.
Artículo en Inglés | WPRIM | ID: wpr-87961
ABSTRACT
BACKGROUND AND

OBJECTIVES:

In order to measure the level of nasal trigeminal pungency threshold and to evaluate the interaction between olfactory and trigeminal nerves, we measured olfactory thresholds and trigeminal pungency thresholds using 1-butanol in 40 normal people and in 46 patients with decreased sense of smell by non-sinonasal origin. MATERIALS AND

METHODS:

Two-alternative forced-choice modified ascending method of limit (CCCRC test) was used for the measurement of olfactory and pungency thresholds, using 1-butanol plastic squeezable bottles successively threefold diluted by distilled water as stimulus, while distilled water as blank.

RESULTS:

There was a statistically significant difference in pungency threshold between normals (2.18+/-1.5 dilution step) and patients (1.11+/-1.0 dilution step)(p<0.001).

CONCLUSION:

The pungency thresholds of hyposmics and anosmics are higher than those of normals, which suggests that a loss or decrease of olfactory sensation is accompanied by a simultaneous decrease of trigeminal chemosensitivity.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Plásticos / Sensación / Olfato / Nervio Trigémino / Agua / 1-Butanol / Trastornos del Olfato Límite: Humanos Idioma: Inglés Revista: Journal of Rhinology Año: 2000 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Plásticos / Sensación / Olfato / Nervio Trigémino / Agua / 1-Butanol / Trastornos del Olfato Límite: Humanos Idioma: Inglés Revista: Journal of Rhinology Año: 2000 Tipo del documento: Artículo