Comparative Effects of Semont Liberatory Maneuver and Gans Repositioning Maneuver on Vertigo and Dizziness in Patients with Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
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Abstract
Background: Benign paroxysmal positional vertigo (BPPV) is a prevalent vestibular disorder characterized by transient episodes of dizziness and imbalance, often triggered by changes in head position. The pathophysiology of BPPV is typically explained by the theories of cupulolithiasis and canalithiasis, involving the dislodgment of otoconia within the semicircular canals. Despite the existence of various repositioning maneuvers for its management, there is ongoing research to determine the most effective treatment approach.
Objective: The study aimed to compare the efficacy of the Gans Repositioning Maneuver and the Semont Liberatory Maneuver in the management of posterior canal BPPV, evaluating their impact on symptom alleviation and quality of life improvement.
Methods: A randomized controlled trial was conducted with 46 participants (23 in each group) diagnosed with posterior canal BPPV. Participants were randomly allocated to receive either the Gans Repositioning Maneuver (Group A) or the Semont Liberatory Maneuver (Group B). The primary outcome measures included the Visual Vertigo Analogue Scale (VVAS) and the Dizziness Handicap Inventory (DHI), assessed before and after the intervention period. Statistical analysis was performed using SPSS version 25, with p-values less than 0.05 considered significant.
Results: Group A participants showed a reduction in VVAS scores from 65.13 ± 6.59 to 25.35 ± 0.93, and in DHI scores from 44.96 ± 3.15 to 17.74 ± 3.77. Group B participants demonstrated a decrease in VVAS scores from 64.00 ± 8.15 to 33.48 ± 7.72, and in DHI scores from 46.17 ± 2.61 to 24.87 ± 1.32. The improvements in both VVAS and DHI scores were statistically significant within and between groups (p < 0.001).
Conclusion: Both the Gans Repositioning Maneuver and the Semont Liberatory Maneuver are effective in significantly reducing the symptoms of BPPV, with notable improvements in VVAS and DHI scores. These findings support the incorporation of these maneuvers into clinical practice for the management of BPPV, offering significant symptom relief and enhancing patients' quality of life.
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