Tags

Type your tag names separated by a space and hit enter

DPOAE-grams in patients with acute tonal tinnitus.
Otolaryngol Head Neck Surg. 2005 Apr; 132(4):550-3.OH

Abstract

OBJECTIVE

To investigate cochlear outer hair cell function in patients with acute tonal tinnitus and normal or near-normal hearing threshold.

STUDY DESIGN AND SETTING

Prospective controlled study in an academic tertiary health center. Distortion products of otoacoustic emissions (DPOAE)-grams of 32 ears with acute tonal tinnitus and normal hearing or minimal hearing loss were compared with those of 17 healthy nontinnitus ears.

RESULTS

Tinnitus ears exhibited relatively increased amplitudes of DPOAE at high frequencies (4-6.3 kHz) when compared with the group of healthy ears and relatively decreased DPOAE amplitudes at middle frequencies (1650-2400 Hz). Statistically significant (P < 0.01) increased mean values of DPOAE amplitudes were observed only at a frequency of f2 equal to 4.9 kHz.

CONCLUSIONS AND SIGNIFICANCE

These findings suggest an altered functional state of the outer hair cells at a selected high-frequency region of the cochlea in ears with acute tonal tinnitus and normal or near-normal hearing threshold.

Authors+Show Affiliations

Department of Otorhinolaryngology-Head and Neck Surgery, University of Mainz Medical School, Mainz, Germany. gouveris@hno.klinik.uni-mainz.deNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Controlled Clinical Trial
Journal Article

Language

eng

PubMed ID

15806043

Citation

Gouveris, Haralampos, et al. "DPOAE-grams in Patients With Acute Tonal Tinnitus." Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery, vol. 132, no. 4, 2005, pp. 550-3.
Gouveris H, Maurer J, Mann W. DPOAE-grams in patients with acute tonal tinnitus. Otolaryngol Head Neck Surg. 2005;132(4):550-3.
Gouveris, H., Maurer, J., & Mann, W. (2005). DPOAE-grams in patients with acute tonal tinnitus. Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery, 132(4), 550-3.
Gouveris H, Maurer J, Mann W. DPOAE-grams in Patients With Acute Tonal Tinnitus. Otolaryngol Head Neck Surg. 2005;132(4):550-3. PubMed PMID: 15806043.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - DPOAE-grams in patients with acute tonal tinnitus. AU - Gouveris,Haralampos, AU - Maurer,Jan, AU - Mann,Wolf, PY - 2005/4/5/pubmed PY - 2005/4/30/medline PY - 2005/4/5/entrez SP - 550 EP - 3 JF - Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery JO - Otolaryngol Head Neck Surg VL - 132 IS - 4 N2 - OBJECTIVE: To investigate cochlear outer hair cell function in patients with acute tonal tinnitus and normal or near-normal hearing threshold. STUDY DESIGN AND SETTING: Prospective controlled study in an academic tertiary health center. Distortion products of otoacoustic emissions (DPOAE)-grams of 32 ears with acute tonal tinnitus and normal hearing or minimal hearing loss were compared with those of 17 healthy nontinnitus ears. RESULTS: Tinnitus ears exhibited relatively increased amplitudes of DPOAE at high frequencies (4-6.3 kHz) when compared with the group of healthy ears and relatively decreased DPOAE amplitudes at middle frequencies (1650-2400 Hz). Statistically significant (P < 0.01) increased mean values of DPOAE amplitudes were observed only at a frequency of f2 equal to 4.9 kHz. CONCLUSIONS AND SIGNIFICANCE: These findings suggest an altered functional state of the outer hair cells at a selected high-frequency region of the cochlea in ears with acute tonal tinnitus and normal or near-normal hearing threshold. SN - 0194-5998 UR - https://www.unboundmedicine.com/medline/citation/15806043/DPOAE_grams_in_patients_with_acute_tonal_tinnitus_ L2 - https://journals.sagepub.com/doi/10.1016/j.otohns.2004.09.031?url_ver=Z39.88-2003&amp;rfr_id=ori:rid:crossref.org&amp;rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -