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    Vestibular evoked myogenic potential responses in behçet's disease
    (2012) Bayir, O.; Comoglu, S.S.; Ozdek, A.; Aytac, E.; Guven, H.; Ozdal, M.P.; Korkmaz, H.
    Objective: To evaluate the vestibular evoked myogenic potentials responses in patients with Behçet's disease. Materials and Methods: Thirty-three patients (66 ears) with the diagnosis of Behçet's disease and 33 (66 ears) age and sex matched healthy volunteers were enrolled in the study. Logon type stimulus; 500 Hz frequency at an intensity of 120 dB HL with a 4/s stimulation rate was delivered to elicite the VEMP responses. The sternocleidomastoid muscle was chosen as the target to record the VEMPs. During the recording period subjects were in supine position with head elevation and simultaneous binaural acoustic stimulations were used. Results: The response rate of p1n1 wave was 69.7% for Behçet group and 89.4% for the control group (X2, p= 0.009). For Behçet group, the mean latencies of p1 and n1 were 13.7 ± 1.2 ms and 19.7 ± 1.4 ms, the mean amplitude of p1n1 wave was 12.2 ± 5.9 ?V. For control group, these values were 14.2 ± 1.3 ms; 20.8 ± 2.1 ms and 14.1 ± 6.1 ?V, respectively. Although there were no significant differences between the two groups with respect to p1 latency and p1n1 amplitude, n1 latencies were significantly shorter in Behçet group. Conclusion: This preliminary report notify that in Behcet's disease, the VEMP response rate is lower and n1 latency was shorter than the healthy subjects. © 2005 The Mediterranean Society of Otology and Audiology.