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Hypothesis: Treatment for head and neck tumors often involve methods that affect the auditory system and cause hearing loss. Neck dissection negatively impacts the lymphatic drainage, chemotherapy uses ototoxic drugs, radiotherapy affects blood flow and tissue radiation is toxic to the ear and may lead to hearing losses of various types and degrees.
Objective: To investigate occurrences of hearing loss and complaints among patients with head and neck tumors who underwent radiotherapy.
Study design: Prospective, case-control study. Setting: Tertiary care center hospital.
Subjects and Methods: 282 subjects were evaluated, 141 with head and neck tumors and 141 as an age-matched control group. The controls had never undergone oncological treatment that put their hearing at risk. All subjects underwent audiological evaluation, including the HHIE questionnaire, pure tone audiometry, speech audiometry and immittance audiometry. The radiation dose received by the auditory system was calculated based on the percentage of the external auditory canal included in the radiation field.
Observational Model: Case Control, Time Perspective: Prospective
Hospital A C Camargo
Hospital A.C. Camargo
Published on BioPortfolio: 2014-08-27T03:14:38-0400
This study evaluates whether a 2 hour group session, "The Living Well with Hearing Loss Workshop," can successfully teach hard of hearing people how to best use hearing aids and a variety...
Hearing impairment is one of the most common disabilities in veterans. The decreased ability to communicate is troubling in itself, but the strong association of hearing loss with functio...
The purpose of this research study is to test the effectiveness and safety of the study drug, AM-111. AM-111 is tested for the treatment of sudden sensorineural hearing loss where the caus...
Aim: To verify how much of the orientation provided at diagnosis and hearing aid fitting are retained by new hearing aid users and analyze whether age, degree of hearing loss, academic and...
The purpose of study is to determine the diagnostic value of Hearing test program on smart phone for detected patients who has hearing loss.
Globally, one in three adults has some level of measurable hearing loss, and 1.1 billion young persons are at risk for hearing loss attributable to noise exposure. Although noisy occupations such as c...
Despite a high prevalence of age-related hearing loss in older people, there is an unexplained low level of hearing aid adoption and use. Further research is required to determine the reason because h...
Hearing loss is common among typically aging older adults and those with dementia. In recent years, there has been a renewed interest in the relationship between hearing and cognition among older adul...
Hearing loss (HL) is common among older adults and is associated with significant psychosocial, cognitive, and physical sequelae. Hearing aids (HA) can help, but not all individuals with HL use them. ...
Although many individuals with hearing loss could benefit from intervention with hearing aids, many do not seek or delay seeking timely treatment after the onset of hearing loss. There is limited data...
Hearing loss due to exposure to explosive loud noise or chronic exposure to sound level greater than 85 dB. The hearing loss is often in the frequency range 4000-6000 hertz.
Hearing loss due to disease of the AUDITORY PATHWAYS (in the CENTRAL NERVOUS SYSTEM) which originate in the COCHLEAR NUCLEI of the PONS and then ascend bilaterally to the MIDBRAIN, the THALAMUS, and then the AUDITORY CORTEX in the TEMPORAL LOBE. Bilateral lesions of the auditory pathways are usually required to cause central hearing loss. Cortical deafness refers to loss of hearing due to bilateral auditory cortex lesions. Unilateral BRAIN STEM lesions involving the cochlear nuclei may result in unilateral hearing loss.
Hearing loss due to damage or impairment of both the conductive elements (HEARING LOSS, CONDUCTIVE) and the sensorineural elements (HEARING LOSS, SENSORINEURAL) of the ear.
Hearing loss without a physical basis. Often observed in patients with psychological or behavioral disorders.
Hearing loss in frequencies above 1000 hertz.
Hearing, auditory perception, or audition is the ability to perceive sound by detecting vibrations, changes in the pressure of the surrounding medium through time, through an organ such as the ear. Sound may be heard through solid, liquid, or gaseous mat...