| Bone-anchored Hearing Aids: correlation between pure-tone thresholds and outcome in three user groups. | |
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MedLine Citation:
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PMID: 19730146 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To investigate correlations between preoperative hearing thresholds and postoperative aided thresholds and speech understanding of users of Bone-anchored Hearing Aids (BAHA). Such correlations may be useful to estimate the postoperative outcome with BAHA from preoperative data. STUDY DESIGN: Retrospective case review. SETTING: Tertiary referral center. PATIENTS:: Ninety-two adult unilaterally implanted BAHA users in 3 groups: (A) 24 subjects with a unilateral conductive hearing loss, (B) 38 subjects with a bilateral conductive hearing loss, and (C) 30 subjects with single-sided deafness. INTERVENTIONS: Preoperative air-conduction and bone-conduction thresholds and 3-month postoperative aided and unaided sound-field thresholds as well as speech understanding using German 2-digit numbers and monosyllabic words were measured and analyzed. MAIN OUTCOME MEASURES: Correlation between preoperative air-conduction and bone-conduction thresholds of the better and of the poorer ear and postoperative aided thresholds as well as correlations between gain in sound-field threshold and gain in speech understanding. RESULTS: Aided postoperative sound-field thresholds correlate best with BC threshold of the better ear (correlation coefficients, r2 = 0.237 to 0.419, p = 0.0006 to 0.0064, depending on the group of subjects). Improvements in sound-field threshold correspond to improvements in speech understanding. CONCLUSION: When estimating expected postoperative aided sound-field thresholds of BAHA users from preoperative hearing thresholds, the BC threshold of the better ear should be used. For the patient groups considered, speech understanding in quiet can be estimated from the improvement in sound-field thresholds. |
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Authors:
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Flurin Pfiffner; Martin Kompis; Christof Stieger |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology Volume: 30 ISSN: 1537-4505 ISO Abbreviation: Otol. Neurotol. Publication Date: 2009 Oct |
Date Detail:
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Created Date: 2010-02-24 Completed Date: 2010-06-01 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100961504 Medline TA: Otol Neurotol Country: United States |
Other Details:
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Languages: eng Pagination: 884-90 Citation Subset: IM |
Affiliation:
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Department of ENT, Head and Neck Surgery, Inselspital, University of Bern, Bern, Switzerland. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Aged Aged, 80 and over Audiometry, Pure-Tone Auditory Threshold* Bone Conduction Female Hearing Aids* Hearing Loss / epidemiology, rehabilitation* Hearing Loss, Bilateral / epidemiology, rehabilitation Hearing Loss, Conductive / epidemiology, rehabilitation Hearing Loss, Unilateral / epidemiology, rehabilitation Humans Male Middle Aged Retrospective Studies Speech Perception Statistics as Topic Suture Anchors* Treatment Outcome |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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