Sudden Hearing Loss: clinical guidelines updates


Review: Sudden Hearing loss is a common condition seen in ENT clinics throughout the world. The management is simple unless the diagnosis is made quickly and precisely. Clinical history, proper medication, audiological testing with imaging studies are useful.

In the past there has been various methods of curing sudden hearing loss with limited outcomes. This  recent guidelines is useful together with recommendations.

Review by the Editor: Datuk Dr Kuljit Singh

14 April 2020




Updated guidelines on sudden hearing loss recently published by the American Academy of Otolaryngology–Head and Neck Surgery Foundation (AAO-HNSF) underscore the need to recognize and diagnose this condition early to optimize intervention (Otolaryngol Head Neck Surg. 2019;161:195-210).

“The new focus … is really on recognizing this condition early so that it can be properly diagnosed and managed promptly while the interventions that we do have—limited as they are—are most likely to be effective,” said Seth R. Schwartz, MD, PhD, an otolaryngologist in the department of otolaryngology at Virginia Mason Medical Center in Seattle, who served as the methodologist for the update group.

Published on August 1, 2019, the updated guidelines provide 13 action statements to help clinicians accurately diagnose sudden hearing loss to ensure appropriate management (see Table 1, below). The action statements are based on new evidence published since the publication of the original guidelines on sudden hearing loss in 2012 (Otolaryngol Head Neck Surg. 2012;146:S1–S35). Based on the quality of the evidence, the action statements are given a “strong recommendation,” “recommendation,” or “optional” recommendation.

Among the action statements that Dr. Schwartz highlighted were the statements strongly recommending education of and shared decision making with patients. The new guidelines, he said, provide “more information about including patients in the decision-making process regarding whether or not to treat and how.”

For example, the guidelines strongly recommend shared decision making between clinician and patient that includes patient preferences. For interventions with a clear evidence base and benefit, shared decision making includes providing patients with clear information on the benefits and risks of treatment to improve their adherence to treatment and outcomes. If the current evidence is weak on a specific treatment or the benefits unclear, clinicians are encouraged to talk to patients about how to think about the potential risks and benefits of the treatment, such as the absolute benefits of the treatment, its adverse effects, how often and long treatment is needed, and its cost. “Given the limited nature of the treatment options, otolaryngologists should know that including the patients in the decision-making process, even if they choose not to be treated primarily, is both valid and important,” he added.

Dr. Schwartz also pointed out that no new interventions are supported in the updated guidelines based on the most current evidence. “The primary treatments are still steroids, either oral or transtympanic, and hyperbaric oxygen,” he said, adding that although primary steroid therapy remains a mainstay of initial management, it “remains surprisingly limited despite a number of new studies.”

He also highlighted that a few new studies suggest a possible benefit for antioxidant vitamins, but said there is not enough evidence to make a recommendation. “But [the evidence] was enough for them [antioxidant vitamins] not to be included in the group of interventions recommended against,” he said.

To facilitate implementation of these action statements, the guideline also provides an algorithm outlining the statements.

Datuk Dr Kuljit Singh
Datuk Dr Kuljit Singh is Consultant ENT Surgeon for few years now. He has been active in the social media recently and this project is to further enhance the knowledge in ENT amongst the professionals. He has managed different medical professional and hospital associations and has written widely in the print and social media. Besides that, he has organized various types of conferences and meetings in Malaysia and some in the region. He has been invited at various forums and talk shows to share ideas and thoughts.

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