Double-Blind Randomized Trial on the Efficacy in a Short-Time Follow-Up of the “Quick Liberatory Rotation” Maneuver in Treating Posterior Canal BPPV

Journal Title: Journal of Otolaryngology Advances - Year 2014, Vol 1, Issue 1

Abstract

This double-blind randomized studyevaluates the efficiency of the Quick Liberatory Rotation maneuver (QLR) in solving signs and symptoms of Posterior Canal BPPV in a short time follow-up comparing the efficiency of QLR vs. a sham maneuver (“Fake QLR”).The study was performed at an input-output tertiary center for balance disorders.From January to September 2012, 200 patients with signs and symptoms of Posterior Canal BPPV respected the inclusion criteria in the study. The diagnosis was based on observation with binocular infrared videonystagmoscopy of the paroxysmal torsional and upbeat nystagmus evoked through the Dix-Hallpike test (DHT). Patients were divided in two groups, 100 in the group treated by QLR (Group 1) and 100 in the control group treated by “Fake QLR” (Group 2). Before the treatment, they self-evaluated a Visual Analogue Score on their vertiginous complaints (V-VAS). Patients were controlled one hour after the treatment by a blinded examiner about the first phase of the study through DHT, the Straight head-hanging positioning test and the Head Roll test in supine position and assessed again with V-VAS. Patients with a persisting positive Dix- Hallpike test were subsequently treated through QLR. The main outcome measure is the number of patients treated through QLR or “Fake QLR” with a negative DHT one hour after the first treatment. At the post-procedure check, 79 patients from Group 1 presented a negative DHT with little or no subjective symptoms, whereas all the patients of Group 2 presented persistence of a positive DHT. The presence of the secondary nystagmus during QLR (“liberatory” nystagmus) was significantly correlated with a negative DHT at the post-procedure control. In Group 1 pre- and post-treatment V-VAS differences were significant; post-treatment V-VAS differences were significant in Group 1 vs. Group 2. In a short time follow-up QLRis an effective treatmentfor Posterior Canal BPPV when compared to a sham maneuver.

Authors and Affiliations

Luigi Califano, Francesca Salafia, Salvatore Mazzone, Maria Grazia Melillo

Keywords

Related Articles

Importance of Neutrophil/Lymphocyte Ratio in Squamous-Cell Carcinoma of the Larynx

Aim: The relation between inflammation and cancer has been known since the 19th century. However, investigations on the pathogenesis and pathophysiology of this relation have begun recently. It was demonstrated that inc...

A Bit Exagerrated Role of Complete Blood Count Parameters on the Prognosis of Idiopathic Sudden Sensorineural Hearing Loss

Idiopathic sudden sensorineural hearing loss (ISSHL) is a commonly seen otorhinolaryngology emergency, and its etiology is still a mystery. In this retrospective clinical study, we aimed to investigate the possible relat...

Hearing Loss Induced for Pesticides in a Rural Worker: A Case Report

The use of pesticides by agricultural workers without protection can damage the hearing. This report describes the characteristics of work with pesticides, and compares the results of high-frequency audiometry over 36 mo...

Temporalis Fascia Lateral or Medial Side Up In Underlay Tympanoplasty Type – I Does It Makes A Difference?

Objectives: The study was aimed to find out which of the two techniques, medial or lateral side of the temporalis fascia graft was better in underlay method for correcting the perforations of the tympanic membrane keepin...

Frontal Sinus Cyst Surgery Complicated by Central Retinal Artery Occlusion

Central retinal artery occlusion (CRAO) is a retinal ischemic disorder associated with sudden loss of vision and has a poor prognosis. We report a case of CRAO that occurred during frontal sinus surgery involving craniot...

Download PDF file
  • EP ID EP265777
  • DOI 10.14302/issn.2379-8572.joa-14-418
  • Views 153
  • Downloads 0

How To Cite

Luigi Califano, Francesca Salafia, Salvatore Mazzone, Maria Grazia Melillo (2014). Double-Blind Randomized Trial on the Efficacy in a Short-Time Follow-Up of the “Quick Liberatory Rotation” Maneuver in Treating Posterior Canal BPPV. Journal of Otolaryngology Advances, 1(1), 1-11. https://europub.co.uk/articles/-A-265777