Genetics of non syndromic hearing loss in the republic of macedonia.

Hearing impairment is the most common sensory deficit in humans affecting 1 in 1000 newborns. When present in an infant, deafness may have dramatic effects on language acquisition, seriously compromising the quality of their life. Deafness is influenced by both genetic and environmental factors, with inherited causes as the most prominent etiological factor in deafness in developed countries.

Measuring nasal volumes with acoustic rhinometry.

Objectives: Acoustic rhinometry is used to objectively measure the minimal cross sectional area and volumes of nasal cavities. However, no data for healthy subjects has been reported in Macedonia. Therefore, we wanted to establish the normal range among healthy adults and to evaluate the changes after nasal decongestion.