Postural Restriction in Benign Paroxysmal Positional Vertigo: A Randomized Clinical Trial
DOI:
https://doi.org/10.31584/jhsmr.2020776Keywords:
BPPV, posterior semicircular canal, postural restriction, vertigoAbstract
Objective: We compared the efficacy between addition of post-maneuver postural restriction, and that of the modified Epley’s maneuver alone.
Material and Methods: One hundred eighty patients with posterior canal benign paroxysmal positional vertigo were divided into two groups, using a block of four randomization. Group A were instructed to avoid head movement for 48 hours after the modified Epley’s maneuver. Group B were treated with the modified Epley’s maneuver alone. Dix- Hallpike test and dizziness handicap inventory (DHI) scores were assessed at 1 and 2 weeks, and followed up for 48 weeks to assess recurrent symptoms.
Results: There were no significant differences between the two groups in terms of changes from a positive to a negative Dix-Hallpike test; while the DHI score and recurrence rate were significantly lower in group A (p-value 0.042).
Conclusion: Postural restriction after the modified Epley’s maneuver can improve the DHI score, and reduce the recurrence rate of vertigo, compared with the modified Epley’s maneuver alone.
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