1988 Volume 31 Issue 2 Pages 117-122
Intravenous injection of xylocaine was performed in 61 patients with tinnitus. Most cases of tinnitus were inner ear deafness (85.5%).
Xylocaine dose was 60mg in men, 40mg in women. Injections were repeated five times and the effects were evaluated in three stage (short, middle, long) by subjective sensation, pitch match and loudness balance test.
The results were as follows.
1) Short effect was oftained in 57 cases (81.4%), moderate in 28 cases (44.4%), and long were in 13 cases (52.0%).
2) In presbyacusis, sudden deafness, tinnitus without hearing loss, and chronic otitis media, the therapy were continuously effective.
3) Age and hearing type were related with effects of the therapy.
4) Sufferring duration, hearing level, pitch and loudness were not related with effects of the therapy.
5) All of the side effects were transient.
