Different magnetic therapies applied to tinnitus and their effectiveness was compared in randomized, controlled clinical trial (Forogh et al., 2014) that worked with 56 patients. Tinnitus severity was assessed before commencement of the treatment, in the end of the treatment and then after one month.
Patients went through four ten-minute sessions in four weeks. Two different methods of pulsed magnetic therapy and their effects on the auditory system were compared on this occasion.
One of them was repetitive transcranial magnetic stimulation (rTMS) with a frequency of 10 Hz and 1000 stimulations during the given 10 minutes.
The other was continuous burst stimulation (cTBS) with a frequency of 50 Hz in which 600 stimulations were applied twice in three equally long pulses lasting a total of 1.2 seconds and after 15-minute break this application was repeated one more time so a total of 2400 impulses was administered every session.
Both methods of magnetic stimulation significantly suppressed tinnitus, but the continuous burst stimulation achieved statistically better results.
The authors of the study attribute the different results to the fact that during each session continuous burst stimulation was applied in two phases, while repetitive transcranial magnetic stimulation was administered all at once.
Reference: Forogh, B. et al. (2014) Comparison of two protocols of transcranial magnetic stimulation for treatment of chronic tinnitus: a randomized controlled clinical trial of burst repetitive versus high-frequency repetitive transcranial magnetic stimulation. Neurological Sciences. 35 (2), 227–232.
Comparison of two protocols of transcranial magnetic stimulation for treatment of chronic tinnitus
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