Association of Auditory Dysfunction With Retinal Ischemia in Behcet Disease

Behcet's Disease With Multisystem Involvement

Auditory dysfunction is commonly detected in Behçet's disease (BD). Also, vestibular abnormalities as well as cochlear function affection have been found. The inflammatory process in BD may be the cause of audiometry abnormalities in those patients. The aim of this study is to assess hearing dysfunction in Behçet patients and its relation to retinal ischemia and disease activity using conventional pure-tone audiometry (cPTA), tympanogram and acoustic reflex

pure tone audiometry is a behavioral test used to measure hearing sensitivity. This measure involves the peripheral and central auditory systems. Pure-tone thresholds (PTTs) indicate the softest sound audible to an individual at least 50% of the time. Hearing sensitivity is plotted on an audiogram, which displays intensity as a function of frequency. Speech audiometry employs speech signals to assess if the patient has problems hearing speech or speech in noise. Speech audiometry can be used to examine the processing ability and if it is affected by disorders of the middle ear, cochlea, auditory nerve, brainstem pathway, or auditory centers of the cortex. Tympanogram is a test of middle ear functioning. This objective test also allows to view the functioning of the Eustachian Tube, the upper auditory pathways and the reflex contraction from the middle ear muscles. Impedance testing is crucial in distinguishing a conductive loss from a sensorineural hearing loss. Optical coherence tomography angiography (OCT-A) for imaging the microvasculature of the retina and the choroid. Behcet disease current activity form for assessment of disease activity range from 0 to 12 . 12 represents the highest disease activity. It depends on the symptoms present over the last 4 weeks.

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