title: [The diagnosis applying effects of ocular vestibular evoked myogenic potentials in BBPV disease].
abstract: OBJECTIVE
  To investigate the diagnosis applying effects of ocular vestibular evoked myogenic potentials(oVEMP) in peripheral BPPV disease.
  
  
  METHODS
  During September 2012 to January 2015, we selected 80 healthy people in our hospital medical center as the control group, choose the same period of primary benign paroxysmal positional vertigo as the observation group of 80 patients. Two groups were carried out fully functional auditory evoked potential analysis, determination of oVEMP and cervical vestibular evoked myogenic potentials (cVEMP) anomaly amplitude threshold, P1 latencies, N1 incubation period.
  
  
  RESULTS
  The cVEMP abnormal rate in the observation group was 28.8%, the oVEMP abnormal rate was 38.8%, while cVEMP and oVEMP abnormal rates in the control group was 1.3% and 2.5% respectively that compared to significant differences between the two groups (P < 0.05). The oVEMP test amplitude in the observation group was (5.98 ± 2.15) µv, the N1 incubation period was (10.03 ± 0.76)ms, while the control group were (4.09 ± 2.11)µv and (11.67 ± 0.78) ms that compared difference were statistically significant (P < 0.05). The cVEMP test amplitude in the observation group was (154.8 ± 43.9)2 µv, while the control group was (180.49 ± 45.34)µv, compared the difference was statistically significant (P < 0.05).
  
  
  CONCLUSIONS
  Paroxysmal positional vertigo patients ocular vestibular evoked myogenic potentials abnormal rate is relatively high, the utricle dysfunction for more severe than the balloon can be the subject of an objective function of the ear stone judgment, judgment in favor of the disease.
authors.forename: Baocai
authors.initials: B
authors.lastname: Lu
authors.forename: Wenfu
authors.initials: W
authors.lastname: Yu
authors.forename: Zhiyan
authors.initials: Z
authors.lastname: Wu
authors.forename: Rong
authors.initials: R
authors.lastname: Lian
authors.forename: Zhenmin
authors.initials: Z
authors.lastname: Lu
authors.forename: Jianbin
authors.initials: J
authors.lastname: Yang
mesh_terms: D065635:Benign Paroxysmal Positional Vertigo / Q000175:diagnosis*; D016022:Case-Control Studies; D006801:Humans; D012444:Saccule and Utricle / Q000503:physiopathology; D058585:Vestibular Evoked Myogenic Potentials