introduction: hearing loss after surgery is reported rarely. its prevalence rate is different and reported to be between 3-92%. hearing loss is often subclinical and not diagnosed without audiometry. the aim of this study was to determine rate of hearing changes after spinal anesthesia in patients undergoing surgery with spinal anesthesia. methods: in this descriptive study, forty male patients...

background: taxi drivers have the most important role in the public transport services. they are exposed to various harmful agents and occupational hazards. noise is a harmful occupational factors and hearing loss is its most important effect. protection of drivers against hearing loss is essential. this study was performed to determine the prevalence of hearing loss among taxi and agency drive...

consanguineous marriage is strongly favored in many large human populations. in the most parts of south asia, consanguineous marriage account for 20%  to over 50% of the general population. the effect of consanguinity on hereditary deafness has been well studied and documented. many authors have suggested that approximately one half  of sensory neural hearing loss in children can be attributed ...

objectives: auditory perception or hearing ability is critical for children in acquisition of language and speech hence hearing loss has different effects on individuals’ linguistic perception, and also on their functions. it seems that deaf people suffer from language and speech impairments such as in perception of complex linguistic constructions. this research was aimed to study the percepti...