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47 Possible Causes for Asymmetric Hearing Impairment

  • Congenital Deafness

    In syndromic hearing loss, the auditory pathology may be conductive and/or sensorineural, unilateral or bilateral, symmetrical or asymmetrical, and progressive or stable.[] The auditory pathology of nonsyndromic hearing impairment is usually sensorineural. 41, 42 Pathophysiology Approximately half of the cases of congenital hearing loss are thought[] […] hearing loss is estimated to occur in approximately 1 in 1000 births. 39, 40 Clinical Manifestations The spectrum of congenital hearing loss ranges from mild to profound hearing[]

  • Meniere's Disease

    Hearing. Severity of tinnitus. Perception of aural fullness. Functional impairment and disability. Overall well being and quality of life. Side effects.[] In patients with bilateral and asymmetric disease, we assessed outcomes 2, 3 and 4 using the more severely affected ear.[]

  • Presbycusis

    hearing loss or troublesome tinnitus out of keeping with the severity of hearing loss on the audiogram.[] Tests for diabetes, renal impairment, hypertension or dyslipidaemia are worthwhile in individuals who have not been checked recently for these problems.[] Further investigation such as neuro-imaging is not required unless there are clinical reasons to suspect an underlying pathology - eg, unilateral or significantly asymmetric[]

  • Deafness

    CONCLUSIONS: Results could be explained in part through considerations of psychoacoustic changes intrinsic to an asymmetric hearing loss and impaired auditory scene analysis[] Hearing aids were not found to significantly ameliorate these effects.[]

  • Acute Sensorineural Hearing Loss by Acute Acoustic Trauma

    The auditory impairment is often asymmetrical and unilateral, especially controlateral to the dominant hand due to the head shadow effect (7,14).[] Hearing loss may be associated with other symptoms such as tinnitus and vertigo (11,14).[]

  • Susac Syndrome

    There is asymmetric, bilateral low-to-mid frequency sensorineural hearing impairment. Speech discrimination in both ears (C) is also impaired.[]

  • Fabry Disease

    Hearing loss is asymmetric, beginning unilaterally and affecting the contralateral ear later. Tinnitus was reported by 41.2%.[] Renal and cardiac impairment influenced the severity of hearing loss (p 0.05). CONCLUSIONS: High frequency hearing loss is a common problem in patients with FD.[] Renal function was measured by eGFR, cardiac impairment was graduated by NYHA class.[]

  • Motor Neuron Disease

    impairment, asymmetrical weakness of limbs and pyramidal signs with a slow progression.[] […] characteristic features of Madras motor neuron disease (MMND) are onset in the young in the first two decades, sporadic occurrence, facial and bulbar paralysis, sensorineural hearing[]

  • Fracture of the Cribriform Plate

    In Kallmann syndrome, there is hypogonadism with delayed or absent puberty; associated neurologic findings may be present, such as ataxia, impaired hearing, eye movement disorders[] At times it is asymmetrical.[]

  • Cerebral Palsy

    Msall, Cerebral Palsy, Developmental Coordination Disorder, Visual and Hearing Impairments in Infants Born Preterm, NeoReviews, 17, 6, (e325), (2016).[] Boyd, Development, and construct validity and internal consistency of the Grasp and Reach Assessment of Brisbane (GRAB) for infants with asymmetric brain injury, Infant Behavior[]

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