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Peripheral Vertigo Classification of the Otoneurology Committee of the Spanish Otorhinolaryngology Society: Diagnostic Agreement and Update (Version 2-2011)

Elsevier España
DOI: 10.1016/j.otoeng.2012.03.011
  • Vertigo
  • Classification
  • Otoneurology
  • Vértigo
  • Clasificación
  • Otoneurología
  • Medicine


Abstract Introduction In 2008, the Otoneurology committee of the SEORL-PCF published a classification of peripheral vertigo, based on clinical criteria. The objective of this study was to validate this classification through analysing the diagnostic agreement among several medical assessors. Methods Seven medical assessors, all with clinical experience, from 6 different hospitals, participated in the study. One of them selected the clinical histories of 50 consecutive patients who had consulted as a result of balance disorders (24 men and 26 women) with an average age of 53.5 years. These clinical histories – without any information that would identify the patient, the diagnosis established and the treatment – were sent to another 6 assessors. Each of these investigators established their own diagnosis, trying to adjust it to the epigraphs of the classification. Results Of the 50 patients, there was substantial agreement in the diagnosis (4 or more evaluators indicated the same one) in 31 cases (26 with a positive diagnosis and 5 with a negative one, which could not be included in any epigraph). The kappa index, which measures the level of accordance between 2 or more assessors, was 0.4198 (moderate level of agreement). Unanimity was achieved in only 7 cases (4 BPPV, 2 Ménière's disease and 1 vertigo associated with migraine). Conclusions The current classification, with the included criteria it includes, allows labelling with an acceptable consensus to only 62% of the patients. Therefore, a modification in the classification is proposed in relation with the probable BPPV epigraph, as well as a revision of the entries for vertigo-migraine and vertigo associated with migraine.

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