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Hum. Reprod. Advance Access published online on October 7, 2004
Human Reproduction, doi:10.1093/humrep/deh465
© 2004 by European Society of Human Reproduction and Embryology
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Received January 20, 2004
Revised June 16, 2004
Accepted July 20, 2004

Article

Olfactometric and rhinomanometric outcomes in post-menopausal women treated with hormone therapy: a prospective study

Salvatore Caruso 1*, Calogero Grillo 2, Carmela Agnello 3, Lucia Di Mari 4, Marco Farina 4, and Agostino Serra 2

1 Department of Microbiological Science and Gynecological Science, Section of Gynecological Science, University of Catania, Catania, Italy; Research Group for Sexology, Section of Gynecological Science, University of Catania, Catania, Italy
2 Department of Otorhinolaryngology, University of Catania, Catania, Italy
3 Research Group for Sexology, Section of Gynecological Science, University of Catania, Catania, Italy
4 Department of Microbiological Science and Gynecological Science, Section of Gynecological Science, University of Catania, Catania, Italy; Research Group for Sexology, Section of Gynecological Science, University of Catania, Catania, Italy

* To whom correspondence should be addressed. E-mail: scaruso{at}unict.it.


  Abstract

BACKGROUND: The aim of this prospective study was to evaluate the effects of hormone therapy (HT) on olfactory sensitivity in post-menopausal women. METHODS: Forty-six naturally post-menopausal women underwent rhinomanometric and olfactometric measurements to compare nasal airflow resistance values and olfactometric thresholds during the eighth month of HT treatment with baseline levels prior to starting HT. Eighteen women used an oral HT regimen, and twenty-eight women used transdermal patch HT. RESULTS: Rhinomanometric values during HT were statistically different from those at baseline (P<0.001). Olfactometric threshold data indicated a higher sensitivity during the HT treatment than at baseline (P<0.001). Finally, no statistically significant difference was observed among women using oral or patch HT administration on rhinomanometric and olfactometric values. CONCLUSIONS: Our study demonstrates that 8 months of treatment with estrogen and progestogens in HT preparations has an effect on nasal airflow resistance and the olfactory thresholds to odours. We believe that estrogens could influence neuronal plasticity, and the neuronal conduction time into the olfactory system. Our findings confirm that gonadal steroids such as estrogen have an influence on non-genital targets; this relationship might have a beneficial impact on sensorineural communication and emotional behaviour.

Keywords: hormone therapy (HT); olfactometric threshold; post-menopause; rhinomanometry.
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A. D. S. Sardo, C. Di Carlo, M. Guida, and C. Nappi
Olfactometric and rhinomanometric outcomes in post-menopausal women treated with hormone therapy: a prospective study
Hum. Reprod., June 1, 2005; 20(6): 1748 - 1748.
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