Kristen Handal, Janet Koehnke, Maryrose McInerney, Joan Besing, Anil K Lalwani
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The Effect of Ear Covering on Sound Localization and Speech Intelligibility in Operating Room.
Objective: To determine the effect of the surgical bouffant cap on hearing, sound localization, and speech intelligibility in the operating room (OR).
Background: Covering of the ear during surgical procedures has been promoted to prevent surgical site infection (SSI) from ear pathogens. However, the potential impact of ear covering on hearing in the OR has not been studied.
Methods: Twenty participants with normal hearing underwent auditory testing with and without surgical attire (bouffant cap and surgical mask). Auditory threshold testing was performed with warble tones in a sound-treated booth. In the speech intelligibility test, participants were instructed to identify the last word of Speech Perception in Noise (SPIN) sentences (high and low predictability) in OR background noise. In the sound source localization test, participants were asked to localize a speech source amidst OR background noise.
Results: Threshold measures showed no significant effect of wearing surgical attire on detection thresholds. Wearing surgical attire significantly impaired speech intelligibility (p < 0.05). Sound localization was not statistically significant.
Conclusions: The use of the surgical bouffant cap and mask makes it more difficult to understand speech in the presence of OR noise. This could lead to miscommunication and impact surgical outcome; thus, ear covering should be avoided.
期刊介绍：
The Laryngoscope has been the leading source of information on advances in the diagnosis and treatment of head and neck disorders since 1890. The Laryngoscope is the first choice among otolaryngologists for publication of their important findings and techniques. Each monthly issue of The Laryngoscope features peer-reviewed medical, clinical, and research contributions in general otolaryngology, allergy/rhinology, otology/neurotology, laryngology/bronchoesophagology, head and neck surgery, sleep medicine, pediatric otolaryngology, facial plastics and reconstructive surgery, oncology, and communicative disorders. Contributions include papers and posters presented at the Annual and Section Meetings of the Triological Society, as well as independent papers, "How I Do It", "Triological Best Practice" articles, and contemporary reviews. Theses authored by the Triological Society’s new Fellows as well as papers presented at meetings of the American Laryngological Association are published in The Laryngoscope.
• Broncho-esophagology
• Communicative disorders
• Head and neck surgery
• Plastic and reconstructive facial surgery
• Oncology
• Speech and hearing defects
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