THE FREQUENC OF HEARING LOSS ETIOLOGY AMONG DEAF STUDENTS IN CHAHARMAHAL VA BAKHTIARI PROVINCE, IRAN, 2008-2009

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PARVIN NEDA; SHAHINFARD N.; FAROKHI EFAT; KASIRI M.; KHOUSHDEL A.A.F.; AMANI SOROUSH; HOSSEINZADEH SHAHRIAR; SHIRMARDI S.A.A.F.; NOUPARAST Z.; AKBARIAN AKBAR; SEDAEI M.; HASHEMZADEH CHALESHTORI M.

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Journal: Journal of Shahrekord University of Medical Sciences Year:2009 | Volume:11 | Issue:3 Page(s): 93-99

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Title

THE FREQUENC OF HEARING LOSS ETIOLOGY AMONG DEAF STUDENTS IN CHAHARMAHAL VA BAKHTIARI PROVINCE, IRAN, 2008-2009

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Keywords

DEAF STUDENTSQ3

ETIOLOGYQ3

HEARING LOSSQ2

Abstract

Background and aim: HEARING LOSS is the most common sensory disorder in human and has a profound economic and social impact in the modern world. The ETIOLOGY of deafness can be due to genetic or non-genetic causes in origin. Genetics ETIOLOGY of HEARING LOSS is classified into syndromic and nonsyndromic. The aim of this study was to determine the ETIOLOGY of deafness in DEAF STUDENTS in Chaharmahal va Bakhtiari province, Iran.Methods: Altogether, 265 patients with mild to profound HEARING LOSS were contributed in this descriptive study. The subjects were deaf pupils from the schools of Chaharmahal va Bakhtiari province. Age of the students was between 6 and 22 years. Medical history, pedigree information and demographic data were collected using a questionnaire. Each patient underwent general and otoscopic examinations and also pure-tone audiometery. Otoacoustic emissions, as well as auditory brainstem response testing were performed in patients suspected to neural HEARING LOSS.Results: Consanguineous marriages were detected in 67.2% of deaf families, from which first cousins marriage was the most common with the rate of 78.1% of overall consanguinity. Our study revealed that up to 98.8% of genetic deafness cases were in autosomal recessive mode. We found sensorineural HEARING LOSS as a predominant type of deafness in 97.8% of the population studied. Moreover, HEARING LOSS with genetic in origin was found as the most frequent deafness ETIOLOGY with a rate of 60.8% and then acquired and idiopathic HEARING LOSS are in next step, respectively. We found syndromic ETIOLOGY in 4.2% of the students and ophthalmic problems were the most dysfunction accompanied with HEARING LOSS.Conclusion: This data highlight the importance of consanguine marriage in the studied population. We found a very high rate (67.2%) of consanguine marriage, which can be the main cause of congenital deafness.

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APA: Copy

PARVIN, NEDA, SHAHINFARD, N., FAROKHI, EFAT, KASIRI, M., KHOUSHDEL, A.A.F., AMANI, SOROUSH, HOSSEINZADEH, SHAHRIAR, SHIRMARDI, S.A.A.F., NOUPARAST, Z., AKBARIAN, AKBAR, SEDAEI, M., & HASHEMZADEH CHALESHTORI, M.. (2009). THE FREQUENC OF HEARING LOSS ETIOLOGY AMONG DEAF STUDENTS IN CHAHARMAHAL VA BAKHTIARI PROVINCE, IRAN, 2008-2009. JOURNAL OF SHAHREKORD UNIVERSITY OF MEDICAL SCIENCES, 11(3), 93-99. SID. https://sid.ir/paper/58098/en

Vancouver: Copy

PARVIN NEDA, SHAHINFARD N., FAROKHI EFAT, KASIRI M., KHOUSHDEL A.A.F., AMANI SOROUSH, HOSSEINZADEH SHAHRIAR, SHIRMARDI S.A.A.F., NOUPARAST Z., AKBARIAN AKBAR, SEDAEI M., HASHEMZADEH CHALESHTORI M.. THE FREQUENC OF HEARING LOSS ETIOLOGY AMONG DEAF STUDENTS IN CHAHARMAHAL VA BAKHTIARI PROVINCE, IRAN, 2008-2009. JOURNAL OF SHAHREKORD UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2009;11(3):93-99. Available from: https://sid.ir/paper/58098/en

IEEE: Copy

NEDA PARVIN, N. SHAHINFARD, EFAT FAROKHI, M. KASIRI, A.A.F. KHOUSHDEL, SOROUSH AMANI, SHAHRIAR HOSSEINZADEH, S.A.A.F. SHIRMARDI, Z. NOUPARAST, AKBAR AKBARIAN, M. SEDAEI, and M. HASHEMZADEH CHALESHTORI, “THE FREQUENC OF HEARING LOSS ETIOLOGY AMONG DEAF STUDENTS IN CHAHARMAHAL VA BAKHTIARI PROVINCE, IRAN, 2008-2009,” JOURNAL OF SHAHREKORD UNIVERSITY OF MEDICAL SCIENCES, vol. 11, no. 3, pp. 93–99, 2009, [Online]. Available: https://sid.ir/paper/58098/en

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