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After pure-tone audiometry, we have several sequences of threshold values. Usually, a multiple-line plot is used to present and compare data between measurements by overlaying them in a single graph. Cal- culation of air-bone gap and pure-tone average is widely accepted as an approach to simplify statistical handling of these data. The aim of this report was to introduce the Sofia profile plot using as examples different otosclerotic cases. This plot provides a simple way to visually present several pre- and postope- rative hearing thresholds. Individual data points (pure-tone average and some other thresholds) are pre- sented by marks in two-dimensional space. The vertical axis represents the time line and starts with the first threshold evaluation. The horizontal scale is used to mark hearing levels in decibels -- the right ear on the left of the vertical axis and the left ear on the right. The Sofia profile plot was developed especially for otosclerotic patients and permits the unambiguous marking of the onset of any individual unilateral or bilateral event (e.g. operation, revision, tinnitus) and thus to visually inspect its impact on hearing levels.

Susceptibility to Tinnitus Revealed at 2 kHz Range by Bilateral Lower DPOAEs in Normal Hearing Subjects with Noise Exposure. Audiol Neurootol. 2007 Jan 25;12(3):137-144. Job A, Raynal M. Kossowski M Centre de Recherches du Service de Sante des Armees (CRSSA), La Tronche, France.

We investigated potential markers of susceptibility to tinnitus in a group of normal hearing young pilots aged 25-35 years and with 8 +/- 5 years of aircraft noise exposure. 316 pilots were interviewed about their tinnitus status and were tested for hearing thresholds (audiograms) and distortion products otoa- coustic emissions (DPOAE-grams). There was no subject with permanent tinnitus. 23% reported having occasionally perceived tinnitus after flight missions and 77% reported never having experienced tinnitus after flight missions. General discomfort in the ears to noise was higher in the occasional tinnitus group (15 vs. 6%). The major finding was that difference of susceptibility to tinnitus in normal hearing subjects exposed to noise on a daily basis seemed to be clearly related to lower DPOAEs, bilaterally, in the 1500- to 2800-kHz range. However, no difference could be observed between groups on audiograms at the 2-kHz frequency range. This study provided evidence of outer hair cell dysfunctions in normal hearing subjects exposed to noise and susceptible to tinnitus. Hypersensitivity to noise and decreased DPOAEs in a non-noise-specific frequency range support the idea of another alteration mechanism than noise it- self. This point was discussed in the light of recent publications. Copyright (c) 2007 S. Karger AG, Basel.

[Validation of the German-Version Tinnitus Handicap Inventory (THI).]. Psychiatr Prax. 2007 Jan;34(S1):140-142. [Article in German]. Kleinjung T, Fischer B, Langguth B, Sand PG, Hajak G, Dvorakova J, Eichhammer P Klinik fur Hals-Nasen-Ohren-Heilkunde der Universität Regensburg

Objective: Tinnitus counts among the most debilitating auditory handicaps and is often complicated by insomnia, concentration difficulties, depression, frustration and irritability. To facilitate the grading of sym- ptoms, we validated a German-version Tinnitus Handicap Inventory (THI) in 74 subjects suffering from chronic tinnitus. Methods: Outcome validity was assessed using the Tinnitus Questionnaire (TQ, German adaptation by Goebel u. Hiller [1998]). Construct validity was assessed using the Beck Depression Inventory (BDI). Results: The German THI featured excellent internal consistency (total score Cronbach‘s alpha = 0.93). Factor analysis disclosed three THI subscales as proposed earlier by Newman et al. [1996]. Intercorrela- tions were strong both between the THI and the TQ ( R = 0.70), and between the THI and the BDI ( R =


Conclusions: The German-version THI qualifies as a rapid and statistically robust tool for grading the impact of tinnitus on daily living. With regard to depressive symptomatology, sensitivity of the THI was comparable to that of the TQ. back to content


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