160 Hz, intensity to tolerance, at points external to ear; 2.5 Hz at ear points; ‘Tsunami’ wave [Accu-O-Matic]
Stimulation duration
4 secs/pt
Number of sessions
4 wkly sessions (in some cases a 2nd series after 3-4 mths)
Follow up
none
Endpoint measure
single tone standard audiometric testing method (varies 5 dB on average) [A-15 Audiometer]
Outcome
all showed minimum improvement of 5 dB (with some instances of 25-30 dB) at 300-4000 Hz; seldom were frequencies after treatment found to be same as originally tested, or 5 dB lower
Additional notes
-
Analysis / problems
is 5 dB clinically significant? [see Fairbanks study]
References
Wing TW Hearing loss improvement with needleless electroacupuncture. American Journal of Acupuncture. 1976 Oct-Dec; 4(4): 349-56
