A clinical protocol for predicting outcomes with an implantable prosthetic device (baha) in patients with single-sided deafness

Hillary A Snapp, David A. Fabry, Fred F Telischi, Kristopher Arheart, Simon I Angeli

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Background: The Baha implant is increasingly becoming a common form of treatment for individuals with single-sided deafness (SSD). However, evidence-based guidelines for determining candidacy in these patients are not yet established. Purpose: The purpose of this study was to investigate the clinical utility of speech-in-noise testing as a part of the preoperative evaluation of the Baha device in patients with SSD. Research Design: The study design was a prospective cohort of 24 English-speaking adults comparing preoperative results on speech-in-noise measures using the Baha Cordelle II headband stimulator to postoperative results using the patient's external Baha processor. Intervention: Outcome measures included signal-to-noise ratio (SNR) loss as measured by the QuickSIN™ and scores of self-reported disability questionnaires. Results: Wilcoxon signed-rank test resulted in no significant difference between the preoperative and postoperative methods for measuring benefit on listening in noise tasks. Passing Bablok regression analysis showed the preoperative and postoperative results to be statistically equivalent, which suggests that postoperative results can be predicted during preoperative testing. Wilcoxon signed-rank test showed significant improvements in self-reported disability postoperatively. Conclusions: The results support the use of speech-in-noise measures as an accurate predictor of overall benefit in patients with SSD prior to implantation.

Original languageEnglish
Pages (from-to)654-662
Number of pages9
JournalJournal of the American Academy of Audiology
Volume21
Issue number10
DOIs
StatePublished - Nov 1 2010

Fingerprint

Deafness
Clinical Protocols
Noise
Equipment and Supplies
Nonparametric Statistics
Signal-To-Noise Ratio
Research Design
Regression Analysis
Outcome Assessment (Health Care)
Guidelines
Therapeutics

Keywords

  • Baha
  • Bone-anchored
  • QuickSIN
  • Single-sided deafness
  • Speech-in-noise
  • Unilateral hearing loss

ASJC Scopus subject areas

  • Speech and Hearing

Cite this

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abstract = "Background: The Baha implant is increasingly becoming a common form of treatment for individuals with single-sided deafness (SSD). However, evidence-based guidelines for determining candidacy in these patients are not yet established. Purpose: The purpose of this study was to investigate the clinical utility of speech-in-noise testing as a part of the preoperative evaluation of the Baha device in patients with SSD. Research Design: The study design was a prospective cohort of 24 English-speaking adults comparing preoperative results on speech-in-noise measures using the Baha Cordelle II headband stimulator to postoperative results using the patient's external Baha processor. Intervention: Outcome measures included signal-to-noise ratio (SNR) loss as measured by the QuickSIN™ and scores of self-reported disability questionnaires. Results: Wilcoxon signed-rank test resulted in no significant difference between the preoperative and postoperative methods for measuring benefit on listening in noise tasks. Passing Bablok regression analysis showed the preoperative and postoperative results to be statistically equivalent, which suggests that postoperative results can be predicted during preoperative testing. Wilcoxon signed-rank test showed significant improvements in self-reported disability postoperatively. Conclusions: The results support the use of speech-in-noise measures as an accurate predictor of overall benefit in patients with SSD prior to implantation.",
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AU - Arheart, Kristopher

AU - Angeli, Simon I

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