Πέμπτη, 14 Μαρτίου 2019

Presbycusis and vestibular activity

The relationship between presbycusis and vestibular activity
Gehan M S. Abd El-Salam

Journal of Medicine in Scientific Research 2018 1(4):245-249

Introduction Presbycusis or age-related sensorineural hearing loss (SNHL) is a complex disorder that results in a slow deterioration in auditory function. A considerably high number of these patients with presbycusis or age-related SNHL also experience dizziness and related vestibular symptoms. Although auditory and vestibular systems are distinct, they work just alike. So, there is a great relation among their functions. Once one is stimulated, the other experiences changes as well. Participants and methods This study comprised 40 adult patients (50–75 years) without any vestibular symptoms or diagnosed vestibular diseases. Audiological status was measured with auditory brainstem response (ABR). The vestibular system was assessed using videonystagmography test battery, sensory organization test, and vestibular evoked myogenic potential (VEMP). ‘Get up and go’ test was used as a quick screening tool for detecting balance problems. Patients were divided into two groups: a study group (patients with SNHL) and a control group (patients without SNHL). ABR and VEMP results of the groups were calculated and compared. Results Absolute peak latencies of ABR waves I, III, and V were prolonged in the study group than the control group (P < 0.0001). VEMP results showed that P13 and N23 latencies were prolonged in the study group when compared with the control group (P < 0.0001). Conclusion Thorough full examination of the vestibular system, in conjunction with auditory functions in elderly persons, is recommended. This may help to discover their subclinical vestibular problem and guide physicians to design a suitable treatment plan that helps in decreasing risk of falls for aged persons. 

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