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Effect of estrogen on eustachian tube performance
1Department of Otolaryngology, Rambam Medical Center, Faculty of Medicine, Haifa, Israel.
The American Journal of Otology
|March 1, 1991
Summary
This study found that while eustachian tube function is mostly stable with changing estrogen levels, some women experience a moderate decline in function as estrogen increases, particularly beyond normal menstrual cycle ranges.
Area of Science:
- Otolaryngology
- Reproductive Endocrinology
Background:
- Sex hormones, particularly estrogen, influence respiratory mucosa.
- Aural manifestations related to sex hormone fluctuations remain understudied.
Purpose of the Study:
- To investigate the relationship between estrogen levels and eustachian tube function.
- To assess aural manifestations in women undergoing ovulation induction.
Main Methods:
- Daily evaluation of eustachian tube swallow test in 25 women.
- Daily monitoring of blood estrogen levels during ovulation induction.
Main Results:
- Eustachian tube performance remained largely stable across a broad range of estrogen levels.
- A moderate decrease in eustachian tube function was observed in some women with elevated estrogen, exceeding normal menstrual cycle levels.
Conclusions:
- Eustachian tube function shows relative stability with physiological estrogen variations.
- Elevated estrogen levels beyond the typical menstrual cycle may moderately impair eustachian tube function in susceptible individuals.