PMC5459343_01
Hearing level before acupuncture treatment.. Lt ear pre and Rt ear pre: left ear and right ear hearing levels before receiving acupuncture treatment.
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He was then confirmed to have moderately severe hearing loss by pure tone audiometry (PTA; blue line in Figure 1).
Hearing level after acupuncture treatment.. Left ear post and Rt ear post: left ear and right ear hearing levels after receiving acupuncture treatment.
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The last PTA (Figure 2) showed that the patient's hearing returned to normal.