Hearing loss of a degree sufficient to interfere with socialand job-related communication is among the most common chronicneural impairments in the U.S. population. On the basis of health-interviewdata,1 it is estimated that approximately 4 percent of peopleunder 45 years of age and 29 percent of those 65 years or overhave a handicapping loss of hearing. A similar survey in GreatBritain2 found that approximately 25 percent of the populationquestioned had some hearing difficulty, and audiometric evaluationof a portion of that population found that 20 percent had ahearing impairment exceeding 25 dB HL . . . [Full Text of this Article]
Anatomy of the Auditory System and Anatomical Sites of Hearing Loss
External and Middle Ear
Inner Ear and Central Auditory System
Common Causes of Hearing Loss
Effusions and Infections of the Ear
Genetic and Developmental Disorders
Ototoxicity
Trauma
Immune-Mediated Sensorineural Hearing Loss
Tumors
Idiopathic and Degenerative Disorders
Disorders of the Circulation
Diagnostic Approaches
Treatment
Treatment and Rehabilitation of Conductive Hearing Loss
Treatment and Rehabilitation of Sensorineural Hearing Loss
Source Information
From the Department of Otology and Laryngology, Harvard Medical School, and the Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, both in Boston.
Address reprint requests to Dr. Nadol at the Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, 243 Charles St., Boston, MA 02114-3096.
References
Related Letters:
Hearing Loss
Gregory M. C., Atkins C. L., Barker D. F., Levy B. S., Wegman D. H., Soto J., Alsar M.J., Nadol J. B.
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N Engl J Med 1994;
330:714-715, Mar 10, 1994.
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