FREE SHIPPING over $40
OVER 9000 FIVE-STAR REVIEWS
5% OFF ALL SUBSCRIPTIONS
100% HAPPINESS GUARANTEE
Analyze Diet
0
Home / Equine Research Bank / Can Vet J / Diagnosis of deafness in a horse by brainstem auditory evoke...
The Canadian veterinary journal = La revue veterinaire canadienne2006; 47(2); 151-154;

Diagnosis of deafness in a horse by brainstem auditory evoked potential.

Abstract: Deafness was confirmed in a blue-eyed, 3-year-old, overo paint horse by brainstem auditory evoked potential. Congenital inherited deafness associated with lack of facial pigmentation was suspected. Assessment of hearing should be considered, especially in paint horses, at the time of pre-purchase examination. Brainstem auditory evoked potential assessment is well tolerated and accurate. Un diagnostic de surdité a été confirmé par potentiel auditif évoqué au niveau du tronc cérébral chez un cheval Paint Horse overo aux yeux bleus âgé de 3 ans. Une surdité congénitale héréditaire associée au manque de pigmentation faciale a été suspectée. Une évaluation de l’audition devrait être envisagée, particulièrement chez les Paint Horses lors de l’examen précédant l’achat. L’évaluation par potentiel auditif évoqué au niveau du tronc cérébral est bien tolérée et précise. (Traduit par Docteur André Blouin)
Get Full Text
Publication Date: 2006-04-04 PubMed ID: 16579041PubMed Central: PMC1345730
The Equine Research Bank provides access to a large database of publicly available scientific literature. Inclusion in the Research Bank does not imply endorsement of study methods or findings by Mad Barn.
LinkedInCopy
  • Case Reports
  • Journal Article

Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The research confirmed hearing loss in a blue-eyed, 3-year-old Paint Horse using brainstem auditory evoked potential testing. The potential cause of deafness could be a hereditary condition related to a lack of facial pigmentation. It suggests the importance of hearing assessment during the pre-purchase examination, especially for Paint Horses.

Context and Purpose of Study

  • This study takes on a unique exploration – diagnosing deafness in a horse. The authors’ intent was to confirm suspected deafness in the subject, a 3-year-old Paint Horse, and raise awareness for such assessments during the purchase process for similar cases and breeds.
  • The suspected cause of deafness in this case was believed to be linked with congenital inherited conditions, particularly associated with lack of facial pigmentation, a notable feature in Paint Horses.

Procedure and Diagnosis Method

  • The researchers diagnosed deafness using a procedure called brainstem auditory evoked potential, likely involving the measurement of electrical signals in the horse’s brain in response to sound stimuli.
  • The result of this approach confirmed the preliminary suspicion of the horse’s deafness, therefore validating the effectiveness and accuracy of this diagnostic method in this context.

Importance and Implication

  • A key finding from this study is the importance of auditory assessment, particularly for Paint Horses, during a pre-purchase examination. The presence of deafness can potentially influence the price, care plans, usage, or even decision for purchase.
  • The study also verifies that the brainstem auditory evoked potential assessment is not only accurate but also well-tolerated by horses. This reassurance has implications for more widespread use of this diagnostic tool.

Conclusion

  • The research offers crucial insights into diagnosing deafness specifically in horses and more generally in animals. It contributes to the knowledge base around hereditary-deafness potential, notably in connection with facial pigmentation.
  • Furthermore, it propounds the necessity of undertaking such diagnoses during the pre-purchase exercise to ensure understanding of any added responsibilities or adjustments required in terms of care and handling of the horse.

Cite This Article

APA
Harland MM, Stewart AJ, Marshall AE, Belknap EB. (2006). Diagnosis of deafness in a horse by brainstem auditory evoked potential. Can Vet J, 47(2), 151-154.

Publication

The Canadian veterinary journal = La revue veterinaire canadienne
ISSN: 0008-5286
NlmUniqueID: 0004653
Country: Canada
Language: English
Volume: 47
Issue: 2
Pages: 151-154

Researcher Affiliations

Harland, Malte M
  • Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Wire Road, Auburn, Alabama, USA.
Stewart, Allison J
    Marshall, Arvle E
      Belknap, Ellen B

        MeSH Terms

        • Acoustic Stimulation / veterinary
        • Animals
        • Deafness / congenital
        • Deafness / diagnosis
        • Deafness / veterinary
        • Evoked Potentials, Auditory, Brain Stem / physiology
        • Horse Diseases / congenital
        • Horse Diseases / diagnosis
        • Horses
        • Male
        • Pigmentation / physiology
        • Sensitivity and Specificity

        References

        This article includes 34 references
        1. Rolf SL, Reed SM, Melnick W, Andrews FM. Auditory brain stem response testing in anesthetized horses.. Am J Vet Res 1987 Jun;48(6):910-4.
          pubmed: 3605806
        2. Marshall AE. Brain stem auditory-evoked response in the nonanesthetized horse and pony.. Am J Vet Res 1985 Jul;46(7):1445-50.
          pubmed: 4026024
        3. Davis H. Principles of electric response audiometry.. Ann Otol Rhinol Laryngol 1976 May-Jun;85 SUPPL 28(3 Pt3):1-96.
          pubmed: 779583
        4. Picton TW, Hink RF. Evoked potentials: How? What? and Why?. Am J EEG Technol 1974;14:9–44.
        5. Strain GM, Green KD, Twedt AC, Tedford BL. Brain stem auditory evoked potentials from bone stimulation in dogs.. Am J Vet Res 1993 Nov;54(11):1817-21.
          pubmed: 8291757
        6. Brown KS, Bergsma DR, Barrow MV. Animal models of pigment and hearing abnormalities in man.. Birth Defects Orig Artic Ser 1971 Mar;07(4):102-9.
          pubmed: 5173333
        7. Famula TR, Oberbauer AM, Williams DC. Gender effects in hearing loss in Dalmatians.. Prev Vet Med 2001 Jan 17;48(1):15-24.
          pubmed: 11150631doi: 10.1016/s0167-5877(00)00183-5google scholar: lookup
        8. Juraschko K, Meyer-Lindenberg A, Nolte I, Distl O. Analysis of systematic effects on congenital sensorineural deafness in German Dalmatian dogs.. Vet J 2003 Sep;166(2):164-9.
          pubmed: 12902181doi: 10.1016/s1090-0233(02)00256-3google scholar: lookup
        9. Strain GM. Deafness prevalence and pigmentation and gender associations in dog breeds at risk.. Vet J 2004 Jan;167(1):23-32.
          pubmed: 14623147doi: 10.1016/s1090-0233(03)00104-7google scholar: lookup
        10. Bergsma DR, Brown KS. White fur, blue eyes, and deafness in the domestic cat.. J Hered 1971 May-Jun;62(3):171-85.
          pubmed: 5137350doi: 10.1093/jhered/62.3.171google scholar: lookup
        11. Sponenberg DP. Equine color genetics. Iowa: Iowa State Univ Pr, 2003.
        12. Strain GM. Aetiology, prevalence and diagnosis of deafness in dogs and cats.. Br Vet J 1996 Jan;152(1):17-36.
          pubmed: 8634862doi: 10.1016/s0007-1935(96)80083-2google scholar: lookup
        13. Cullington HE. Light eye colour linked to deafness after meningitis.. BMJ 2001 Mar 10;322(7286):587.
          pmc: PMC26552pubmed: 11238154
        14. Wecker H, Laubert A. [Reversible hearing loss in acute salicylate intoxication].. HNO 2004 Apr;52(4):347-51.
          pubmed: 15143764doi: 10.1007/s00106-004-1065-5google scholar: lookup
        15. Orendorz-Fraczkowska K, Makulska I, Pośpiech L, Zwolińska D. [The influence of haemodialysis on hearing organ of children with chronic renal failure].. Otolaryngol Pol 2002;56(5):597-602.
          pubmed: 12523170
        16. Shapiro SM, Nakamura H. Bilirubin and the auditory system.. J Perinatol 2001 Dec;21 Suppl 1:S52-5; discussion S59-62.
          pubmed: 11803418doi: 10.1038/sj.jp.7210635google scholar: lookup
        17. Niebyl JR. Antibiotics and other anti-infective agents in pregnancy and lactation.. Am J Perinatol 2003 Nov;20(8):405-14.
          pubmed: 14703588doi: 10.1055/s-2003-45391google scholar: lookup
        18. Nostrandt AC, Pedersoli WM, Marshall AE, Ravis WR, Robertson BT. Ototoxic potential of gentamicin in ponies.. Am J Vet Res 1991 Mar;52(3):494-8.
          pubmed: 2035927
        19. Morgan JL, Coulter DB, Marshall AE, Goetsch DD. Effects of neomycin on the waveform of auditory-evoked brain stem potentials in dogs.. Am J Vet Res 1980 Jul;41(7):1077-81.
          pubmed: 7436102
        20. Merchant SR, Neer TM, Tedford BL. Ototoxicity assessment of a chlorhexidine otic preparation in dogs. Prog Vet Neurol 1993;4:72–75.
        21. Marshall AE, Byars TD, Whitlock RH, George LW. Brainstem auditory evoked response in the diagnosis of inner ear injury in the horse.. J Am Vet Med Assoc 1981 Feb 1;178(3):282-6.
          pubmed: 6971862
        22. Sohmer H, Freeman S. The latency of auditory nerve brainstem evoked responses to air- and bone-conducted stimuli.. Hear Res 2001 Oct;160(1-2):111-3.
          pubmed: 11591496doi: 10.1016/s0378-5955(01)00337-9google scholar: lookup
        23. KIRIKAE I. An experimental study on the fundamental mechanism of bone conduction.. Acta Otolaryngol Suppl 1959;145:1-111.
          pubmed: 13636851
        24. Sichel JY, Freeman S, Sohmer H. Lateralization during the Weber test: animal experiments.. Laryngoscope 2002 Mar;112(3):542-6.
          pubmed: 12148868doi: 10.1097/00005537-200203000-00024google scholar: lookup
        25. Achor LJ, Starr A. Auditory brain stem responses in the cat. I. Intracranial and extracranial recordings.. Electroencephalogr Clin Neurophysiol 1980 Feb;48(2):154-73.
          pubmed: 6153332doi: 10.1016/0013-4694(80)90301-6google scholar: lookup
        26. Chiappa KH. Brain Stem Auditory Evoked Potentials: Interpretation. New York: Raven Pr, 1989.
        27. Vitte E, Tankéré F, Bernat I, Zouaoui A, Lamas G, Soudant J. Midbrain deafness with normal brainstem auditory evoked potentials.. Neurology 2002 Mar 26;58(6):970-3.
          pubmed: 11914420doi: 10.1212/wnl.58.6.970google scholar: lookup
        28. Delauche AJ. Brain-stem evoked responses as a diagnostic tool for deafness; a neurophysiological test with potential?. Br Vet J 1996 Jan;152(1):13-5.
          pubmed: 8634861doi: 10.1016/s0007-1935(96)80082-0google scholar: lookup
        29. Steiss JE, Bredemuehl JP, Wright JC, Storrs DP. Nerve conduction velocities and brain stem auditory evoked responses in normal neonatal foals, compared to foals exposed to endophyte-infected fescue in utero. Prog Vet Neurol 1991;2:252–260.
        30. Mayhew IG, Washbourne JR. Brainstem auditory evoked potentials in horses and ponies.. Vet J 1997 Jan;153(1):107-13.
          pubmed: 9125363doi: 10.1016/s1090-0233(97)80015-9google scholar: lookup
        31. Mayhew IG. The clinical utility of brainstem auditory evoked respone testing in horses. Equine Vet Educ 2003;15:27–33.
        32. Mayhew IG, Washbourne JR. Short latency auditory evoked potentials recorded from non-anaesthetized thoroughbred horses.. Br Vet J 1992 Jul-Aug;148(4):315-27.
          pubmed: 1498644doi: 10.1016/0007-1935(92)90084-egoogle scholar: lookup
        33. Priner R, Freeman S, Perez R, Sohmer H. The neonate has a temporary conductive hearing loss due to fluid in the middle ear.. Audiol Neurootol 2003 Mar-Apr;8(2):100-10.
          pubmed: 12634458doi: 10.1159/000068997google scholar: lookup
        34. Mair IW. Hereditary deafness in the dalmatian dog.. Arch Otorhinolaryngol 1976 Feb 8;212(1):1-14.
          pubmed: 989302doi: 10.1007/bf00456358google scholar: lookup

        Citations

        This article has been cited 4 times.
        1. Strain GM. The Genetics of Deafness in Domestic Animals. Front Vet Sci 2015;2:29.
          doi: 10.3389/fvets.2015.00029pubmed: 26664958google scholar: lookup
        2. Lecoq L, Gains M, Blond L, Parent J. Brainstem auditory evoked responses in foals: reference values, effect of age, rate of acoustic stimulation, and neurologic deficits. J Vet Intern Med 2015 Jan;29(1):362-7.
          doi: 10.1111/jvim.12499pubmed: 25619523google scholar: lookup
        3. Aleman M, Holliday TA, Nieto JE, Williams DC. Brainstem auditory evoked responses in an equine patient population: part I--adult horses. J Vet Intern Med 2014 Jul-Aug;28(4):1310-7.
          doi: 10.1111/jvim.12379pubmed: 24902479google scholar: lookup
        4. Webb AA. Brainstem auditory evoked response (BAER) testing in animals. Can Vet J 2009 Mar;50(3):313-8.
          pubmed: 19436486
        Subscribe to our newsletter
        Join 99,344 horse owners like you who receive our email updates on horse health and nutrition.