Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Κυριακή 8 Ιανουαρίου 2017

Clinical implication of cervical vestibular evoked myogenic potentials in benign paroxysmal positional vertigo.

Clinical implication of cervical vestibular evoked myogenic potentials in benign paroxysmal positional vertigo.

Clin Neurophysiol. 2016 Dec 18;128(2):351-356

Authors: Chang MY, Shin JH, Oh KH, Hong YH, Mun SK

Abstract
OBJECTIVES: To evaluate the value of cervical vestibular evoked myogenic potential (cVEMP) as a prognostic factor for benign paroxysmal positional vertigo (BPPV).
METHODS: We reviewed 65 patients with BPPV who underwent cVEMP. Patients were divided into two groups according to resistance to the repositioning maneuver. Univariable and multivariable analyses were performed with age, gender, affected semicircular canal, affected side and cVEMP parameters to find the associated factors for resistance to the repositioning maneuver.
RESULTS: From univariable analysis, cVEMP interaural amplitude difference (IAD) ratio, the affected semicircular canal and the affected side showed a better association (p<0.10) with resistance to the repositioning maneuver. With multivariable analysis, decreased cVEMP IAD ratio at the affected side (⩽-25%) (p=0.043, OR=4.934) and the posterior semicircular canal (p=0.049, OR=3.780) remained as associated factors.
CONCLUSIONS: Decreased cVEMP IAD ratio at the affected side is associated with resistance to the repositioning maneuver. BPPV patients with decreased cVEMP IAD ratio at the affected side have a higher likelihood of their BPPV persisting after a single repositioning maneuver.
SIGNIFICANCE: cVEMP test may provide a prognosis of BPPV. A decreased cVEMP IAD ratio at the affected side may be prognostic of BPPV not resolving after a single repositioning maneuver.

PMID: 28063321 [PubMed - as supplied by publisher]



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