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:: Volume 22, Issue 2 (7-2013) ::
aud 2013, 22(2): 83-93 Back to browse issues page
Effect of sex and rate of stimulus on auditory brainstem responses of children with history of preterm birth
Sara Hasani1 , Zahra Jafari * 2, Nematollah Rouhbakhsh1 , Masoud Salehi3 , Rasoul Panahi1
1- Department of Audiology, School of Rehabilitation, Tehran University of Medical Sciences, Iran
2- Department of Basic Sciences in Rehabilitation, School of Rehabilitation, Tehran University of Medical Sciences, Iran - Rehabilitation Research Center, School of Rehabilitation, Tehran University of Medical Sciences, Iran
3- Department of Statistics, School of Management, Tehran University of Medical Sciences, Iran
Abstract:   (11492 Views)

Background and Aim: Preterm birth is one of the risk factors need comprehensive audiological assessment. In this study, the effect of sex and rate of stimulation on response of children with history of preterm birth was investigated by auditory brainstem response (ABR).

Methods: This cross-sectional study was conducted using convinience sampling. Click-evoked a uditory brainstem response test with both low (21.1 c/s) and high (51.1 c/s) stimulus rates was recorded in 30 children with a history of preterm birth and 30 ones with history of term labor, as controls.

Results: Significant differences were observed in inter-peak latencies of I-III in both rates, III-V in the low rate, I-V in the high rate, and absolute latency of III wave between high and low stimulus rates (p<0.05 for all). Rate of stimulus affect on auditory brainstem response of preterm birth group was more than controls. Sex also affected on some parameters of auditory brainstem response test.

Conclusion: Preterm birth group showed longer latencies than normal group in both rates. Rate of stimulus had significant effect on results of children with history of preterm birth compared normal group. These findings may reflect the negative effect of preterm birth on neural synchronization function in response to transient stimuli.

Keywords: Auditory brainstem response, latency, stimulus rate, sex
Full-Text [PDF 708 kb]   |   Full Text (HTML)   (3475 Downloads)    
Type of Study: Research |
Received: 2012/06/1 | Accepted: 2012/09/8 | Published: 2013/10/15
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 22, Issue 2 (7-2013) Back to browse issues page
شنوایی شناسی - دانشگاه علوم پزشکی تهران Bimonthly Audiology - Tehran University of Medical Sciences
Creative Commons Attribution-NonCommercial 3.0

This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.

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