SUDDEN AND PROFOUND DEAFNESS: ITS SIGNIFICANCE
نویسندگان
چکیده
منابع مشابه
Sudden deafness
The author explains the clinical presentation, pathophysiology, diagnostic work-up, and management of sudden deafness. "Sudden" deafness is defined as sensorineural hearing loss of 30 decibels or more in at least 3 contiguous frequencies occurring over less than 3 days. The pathophysiology of sudden deafness is poorly understood. Various theories have been proposed, including those attributing ...
متن کاملMultichannel compression processing for profound deafness.
Three-channel amplitude compression followed by frequency shaping was used to process test sentences for five profoundly deaf subjects, and the recognition scores were compared to scores achieved with frequency shaping only. At preferred levels, the scores of three of the five subjects showed a statistically significant but not dramatic advantage for compression; the averages of the scores for ...
متن کاملA Case of Sudden Deafness with Intralabyrinthine Hemorrhage Intralabyrinthine Hemorrhage and Sudden Deafness
Sudden hearing deterioration may occur in our population, but it is difficult to explain the exact pathophysiology and the cause. Magnetic resonance imaging (MRI) in sudden sensorineural hearing loss (SSNHL) is usually useful to evaluate neural lesions such as acoustic schwannoma and hemorrhage in labyrinth. Recently some cases of SSNHL caused by intralabyrintine hemorrhage were reported by the...
متن کاملComplement activation in sudden deafness.
OBJECTIVE To test whether complement activation is associated with sudden deafness. DESIGN Plasma samples obtained from patients in the acute phase of sudden deafness were analyzed for complement activation measured by C3bc levels and terminal complement complex. Comparisons were made with plasma samples from healthy controls. PATIENTS Twenty-five adult patients with unilateral sudden deafn...
متن کامل[Sound therapy in sudden deafness].
INTRODUCTION AND GOALS Idiopathic sudden sensorineural hearing loss is a hearing disorder of unknown cause. The spontaneous recovery rate ranges from 50 to 75% of the patients. Scientific experiments on animals support the present study in patients with sudden deafness treated with sounds. PATIENTS AND METHODS During the period 2003-2009, patients with idiopathic sudden sensorineural hearing ...
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ژورنال
عنوان ژورنال: Journal of the American Medical Association
سال: 1917
ISSN: 0002-9955
DOI: 10.1001/jama.1917.02590360026008