Vestibular evoked myogenic potentials in benign paroxysmal positional vertigo and Meniere’s disease
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- Akkuzu, G., Akkuzu, B. & Ozluoglu, L.N. Eur Arch Otorhinolaryngol (2006) 263: 510. doi:10.1007/s00405-005-0002-x
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The objective was to investigate vestibular evoked myogenic potentials (VEMP) in benign paroxysmal positional vertigo (BPPV) and Meniere’s disease, and to determine if this type of testing is valuable for assessing the vestibular system. A prospective controlled clinical study was designed in a tertiary referral center setting. The 62 participants included 17 healthy controls and 45 other subjects selected from patients who presented with the complaint of vertigo (25 diagnosed with BPPV and 20 diagnosed with Meniere’s disease). The main outcome measures of VEMP were recorded in all subjects and findings in each patient group were compared with control findings. The VEMP for the 30 affected ears in the 25 BPPV patients revealed prolonged latencies in eight ears and decreased amplitude in one ear (nine abnormal ears; 30% of total). The recordings for the 20 affected ears in the Meniere’s disease patients revealed four ears with no response, six ears with prolonged latencies (ten abnormal ears; 50% of total). Only two (5.9%) of the 34 control ears had abnormal VEMP. The rate of VEMP abnormalities in the control ears was significantly lower than the corresponding rates in the affected BPPV ears and the affected Meniere’s ears that were studied (P=0.012 and P<0.001, respectively). The results suggest that testing of VEMP is a promising method for diagnosing and following patients with BPPV paroxysmal positional vertigo and Meniere’s disease. Further investigations with this method in other neurotologic pathologies might also be informative.