ISSN 1308-7649 | E-ISSN 2148-3817
Original Article
The Agreement between Protocols for the Investigation of Asymmetrical Audiovestibular Symptoms
1 Department of Otolaryngology, Head and Neck Surgery, Northwick Park Hospital, London, United Kingdom  
J Int Adv Otol 2016; 12: 98-100
DOI: 10.5152/iao.2016.1581
Key Words: Magnetic resonance imaging, acoustic neuroma, tinnitus, hearing loss
Abstract

OBJECTIVE: There are a number of published criteria for the investigation of asymmetrical audiovestibular symptoms. Our aim was to determine the agreement between these protocols when determining whether to investigate a group of patients treated at our institution.


MATERIALS and METHODS
: Retrospective audit of the indications for arranging 854 consecutive magnetic resonance imaging scans of the internal auditory meatus. These indications were compared to the Oxford, Northern, Charing Cross, and Nashville guidelines on the investigation of asymmetrical audiovestibular symptoms.


RESULTS
: The level of agreement was low, with kappa values ranging between 0.15 and 0.58 between the four selected protocols.

 

DISCUSSION: While these criteria seem very similar in nature, due to the number of patients with mild asymmetry and subtle distinctions such as the inclusion or exclusion of tinnitus, there are low levels of agreement between protocols. This study highlights another area of difficulty when determining which patients to investigate.

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