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Related Experiment Video

Updated: Sep 24, 2025

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
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[A prospective randomized controlled study of the difference between BPPV manual reduction and automatic device

Zhiya Luo1, Xiuli Liu1, Lin Shi1

  • 1Department of Otolaryngology，Vertigo Clinic Treatment Center，the First Affiliated Hospital of Dalian Medical University，Dalian，116000，China.

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi = Journal of Clinical Otorhinolaryngology Head and Neck Surgery
|May 5, 2022
PubMed
Summary

Manual reduction for benign paroxysmal positional vertigo (BPPV) showed a higher effective rate and shorter treatment time compared to automatic device reduction. Experienced physicians may prefer manual methods for BPPV treatment.

Keywords:
benign paroxysmal positional vertigofully automatic equipment resetmanual reduction

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Area of Science:

  • Neurology
  • Otolaryngology
  • Vestibular Disorders

Background:

  • Benign paroxysmal positional vertigo (BPPV) is a common cause of vertigo.
  • Treatment options include manual and automatic device-assisted reduction techniques.

Purpose of the Study:

  • To compare the efficacy and safety of manual reduction versus automatic device reduction for BPPV.
  • To provide evidence for clinical decision-making in BPPV management.

Main Methods:

  • A randomized controlled trial involving 202 BPPV patients.
  • Patients were divided into manual reduction (n=102) and automatic device reduction (n=100) groups.
  • Outcomes assessed included treatment effectiveness, Visual Analog Scale (VAS) scores, adverse reactions, and treatment duration.

Main Results:

  • Manual reduction group showed a higher overall effective rate (98.03% vs 91.00%, P=0.027) and greater improvement in VAS scores (P=0.002).
  • Treatment time was significantly shorter for manual reduction (6.0±1.0 min vs 8.0±2.0 min, P<0.01).
  • Adverse reaction rates were similar between groups (4.90% vs 8.00%, P=0.37).

Conclusions:

  • Both manual and automatic device reduction are effective for BPPV symptom improvement.
  • Manual reduction is recommended for experienced clinicians due to higher efficacy and efficiency.