Abstract
Objective:To preliminarily explore the clinical significance of extended high frequency audiometry in evaluating the early hearing loss in patients with polycystic ovarian syndrome（PCOS）. The results were statistically analyzed. Method:The hearing threshold of forty young women diagnosed as PCOS and 20 healthy controls were obtained by using conventional audiometry（0.25-8.00 kHz） and extended high frequency（10-20 kHz） pure tone audiometry. Result:The hearing thresholds of the two groups were similar at conventional frequencies of 0.25，0.50，1.00，2.00 and 4.00 kHz（P>0.05）. The hearing threshold of PCOS group at 8-20 kHz frequency was significantly higher than that of the control group, and the difference was statistically significant（P<0.05）. The expanded high-frequency detectable rate was lower in PCOS group than that in control group, especially at 16 and 18 kHz （P<0.05） and the differences were statistically significant. Conclusion:The early hearing impairment of PCOS patients starts from the extended high frequency, which is more sensitive than the conventional pure tone audiometry in the early hearing impairment assessment of PCOS patients.
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