Longterm follow-up study of TRT in Frankfurt
Since 1996 tinnitus patients consulting the Tinnitus & Hyperacusis Center Frankfurt have been treated using the tinnitus retraining therapy (TRT) developed by Jastreboff and Hazell (Jastreboff et al. , 1985). For this study only patients with at least half a year of medically guided active treatment were taken into account and evaluation was done after