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    Distortion Product Otoacoustic Emissions in Normal-Hearing Children with Homozygous Sickle Cell Disease

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    Author
    Holbert, Donald; Downs, C. Reneé; Stuart, Andrew
    Abstract
    The purpose of this study was to investigate distortion product otoacoustic emissions (DPOAEs) in young normal-hearing children with sickle cell disease (SCD). It was hypothesized that the prevalence of DPOAEs and response amplitudes would be lower than those in children with normal hemoglobin due to suspected compromised cochlear function as a result of vaso-occlusive events characteristic of SCD. Twenty African-American children with SCD and 15 African-American children with normal hemoglobin participated. Distortion product OAEs were evoked by thirteen primary tone pairs with f2 frequencies ranging from 1000 to 4500 Hz. The primary tones were presented at and L1 and L2 levels of 70 and 60 dB SPL (high) and 50 and 40 dB SPL (low), respectively. The findings of this study were completely unexpected and contrary to our original hypotheses. The likelihood of detecting a DPOAE response was not related to the clinical status of the children. Distortion product OAE amplitudes were significantly larger for children with SCD (p = .01). Educational Objectives: After completing this article the reader will (1) have a basic knowledge of the audiometric complications of sickle cell disease and (2) appreciate the differences in DPOAEs between young normal-hearing children with sickle cell DPOAEs in Children With Sickle Cell Disease 3 disease and young normal-hearing children with normal hemoglobin.
    URI
    http://hdl.handle.net/10342/1097
    Subject
     Auditory thresholds; Audiology; Otoacoustic emissions; Sickle cell disease 
    Date
    2003
    Citation:
    APA:
    Holbert, Donald, & Downs, C. Reneé, & Stuart, Andrew. (January 2003). Distortion Product Otoacoustic Emissions in Normal-Hearing Children with Homozygous Sickle Cell Disease. American Auditory Society Bulletin, (24:1), p.20. Retrieved from http://hdl.handle.net/10342/1097

    Display/Hide MLA, Chicago and APA citation formats.

    MLA:
    Holbert, Donald, and Downs, C. Reneé, and Stuart, Andrew. "Distortion Product Otoacoustic Emissions in Normal-Hearing Children with Homozygous Sickle Cell Disease". American Auditory Society Bulletin. 24:1. (20.), January 2003. August 16, 2022. http://hdl.handle.net/10342/1097.
    Chicago:
    Holbert, Donald and Downs, C. Reneé and Stuart, Andrew, "Distortion Product Otoacoustic Emissions in Normal-Hearing Children with Homozygous Sickle Cell Disease," American Auditory Society Bulletin 24, no. 1 (January 2003), http://hdl.handle.net/10342/1097 (accessed August 16, 2022).
    AMA:
    Holbert, Donald, Downs, C. Reneé, Stuart, Andrew. Distortion Product Otoacoustic Emissions in Normal-Hearing Children with Homozygous Sickle Cell Disease. American Auditory Society Bulletin. January 2003; 24(1) 20. http://hdl.handle.net/10342/1097. Accessed August 16, 2022.
    Collections
    • Communication Sciences and Disorders
    Publisher
    East Carolina University

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