Results: On the 10th day of treatment, the rate of hearing improvement at each frequency was as follows: Frequency 250 Hz: 64.7% (an improvement of 29.4%); Frequency 500 Hz: 76.4% (an improvement of 38.2%); Frequency 1000 Hz: 73.5% (an improvement of 35.3%); Frequency 4000 Hz: 73.5% (an improvement of 32.4%); Frequency 8000 Hz: 50% (an improvement of 29.4%).