Sudden hearing loss: Update to guideline to improve implementation and awareness

The American Academy of Otolaryngology-Head and Neck Surgery Foundation published the Clinical Practice Guideline: Sudden Hearing Loss (Update) today in Otolaryngology-Head and Neck Surgery. Sudden sensorineural hearing loss (SSNHL) affects five to 27 per 100,000 people annually, with about 66,000 new cases per year in the United States.

"Sudden hearing loss is a frightening symptom for patients that can dramatically decrease their quality of life. Prompt recognition and management of may improve hearing recovery and quality of life. That is the overarching objective and purpose of this guideline update," said Seth R. Schwartz, MD, MPH, who served as the methodologist for both the 2012 guideline and the 2019 guideline update.

SHL is defined as a rapid-onset subjective sensation of hearing impairment in one or both ears. The hearing loss in SHL may be a conductive hearing loss (CHL), (SNHL), or mixed hearing loss, defined as both CHL and SNHL occurring in the same ear. CHL and the conductive component of mixed hearing loss may be due to an abnormality in the ear canal, tympanic membrane (''ear drum''), or middle ear.

For most patients with SHL, their medical journey often starts at an , urgent care clinic or primary care physician's office, with dizziness present in 30 to 60 percent of cases. The initial recommendations of this guideline update address distinguishing SSNHL from CHL at the initial presentation with hearing loss. They also clarify the need to identify rare, nonidiopathic SSNHL to help separate those patients from those with idiopathic sensorineural hearing loss (ISSNHL), who are the target population for the therapeutic interventions that make up the bulk of the guideline update. By focusing on opportunities for quality improvement, this guideline should improve , facilitate prompt intervention, decrease variations in management, reduce unnecessary tests and imaging procedures, and improve hearing and rehabilitative outcomes for impacted patients.

"While the original guideline was a big step, this update provides an opportunity to improve diagnostic accuracy, facilitate prompt intervention, reduce unnecessary tests, and improve hearing and rehabilitative outcomes for patients," said Dr. Schwartz. "Sudden sensorineural hearing loss, particularly when accompanied by tinnitus and dizziness, can cause a great reduction of quality of life. Patients may experience fear and frustration at the inability to identify a cause for their . The impact of this condition on a patient's function and well-being underlies the importance of an updated guideline to optimize care of patients with this debilitating condition."

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More information: Sujana S. Chandrasekhar et al, Clinical Practice Guideline: Sudden Hearing Loss (Update), Otolaryngology–Head and Neck Surgery (2019). DOI: 10.1177/0194599819859885
Citation: Sudden hearing loss: Update to guideline to improve implementation and awareness (2019, August 1) retrieved 30 September 2022 from
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