Is it important to repeat the positioning maneuver after the treatment for benign paroxysmal positional vertigo?

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Data
2015-03-01
Autores
Sousa Oliveira, Alexandra Kolontai de
Suzuki, Fabio Akira [UNIFESP]
Boari, Leticia
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Introduction: Benign paroxysmal positional vertigo (BPPV) is the most common cause of peripheral vestibular dysfunction.Objective: To assess whether the performance of the Dix-Hallpike maneuver after the Epley positioning maneuver has prognostic value in the evolution of unilateral ductolithiasis of posterior semicircular canal.Methods: A prospective cohort study in monitored patients at otoneurology ambulatory with a diagnosis of BPPV; they were submitted to the therapeutic maneuver and then to a retest in order to evaluate the treatment effectiveness; all cases were reassessed one week later and the retest prognostic value was evaluated.Results: A sample of 64 patients which 47 belonging to negative retest group and 17 belonging to positive retest. Performed the maneuver in all patients, the retest presented 51.85% sensitivity, 91.89% specificity, 82.35% positive predictive value and 72.34% negative predictive value.Conclusion: the study shows that doing the retest after repositioning maneuver of particles in BPPV is effectual, since it has high specificity. (C) 2015 Associacao Brasileira de Otorrinolaringologia e Cirurgia Cervico-Facial. Published by Elsevier Editora Ltda. All rights reserved.
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Brazilian Journal of Otorhinolaryngology. São Paulo: Assoc Brasileira Otorrinolaringologia & Cirurgia Cervicofacial, v. 81, n. 2, p. 197-201, 2015.
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