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28 January 2023: Database Analysis

Retrospective Study of 157 Patients with Otosclerosis to Evaluate Association Between Carhart Notch on the Preoperative Bone-Conduction Audiogram and Postoperative Hearing and Balance Evaluated by the Vestibular Disorders Activities of Daily Living Scale

Katarzyna Job 1ABCDEF , Agnieszka Wiatr 1ABCF , Hassan Awada 2CEF , Maciej Wiatr 1ABDEG*

DOI: 10.12659/MSM.939255

Med Sci Monit 2023; 29:e939255

Figure 1 An example of an audiogram showing a Carhart notch (red arrow) in the right ear. Carhart notch as an impairment in the bone conduction threshold (BC) for 2 kHz frequency above the mean thresholds at higher and lower adjacent frequencies (green arrows). BC – bone conduction threshold; AC – air conduction threshold; Hz – hertz; dB – decibel. Prepared using CorelDraw9, Corel Corporation.

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750