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Related Experiment Video

Updated: May 20, 2025

Measuring the Influence of Magnetic Vestibular Stimulation on Nystagmus, Self-Motion Perception, and Cognitive Performance in a 7T MRT

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Nystagmus and Vertigo During Aural Toilet Using Microsuction.

Chang-Hee Kim¹, Minho Jang¹, Taehee Kim¹

¹Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, Research Institute of Medical Science, Institute of Biomedical Science & Technology, Seoul 05030, Republic of Korea.

Audiology Research

|March 24, 2025

Summary

Microsuction during ear cleaning frequently causes nystagmus and, less often, vertigo. Vertigo risk increases with specific tympanic membrane conditions like perforation, indicating a need for careful patient monitoring during aural toilet.

Keywords:

aural toilet microsuction nystagmus vertigo

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Area of Science:

Otolaryngology
Neuroscience

Background:

Aural toilet with microsuction is a common ENT procedure.
Vertigo is a frequent patient complaint during this procedure.

Purpose of the Study:

To investigate the characteristics and incidence of microsuction-induced nystagmus and vertigo.
To correlate these symptoms with tympanic membrane (TM) appearance.

Main Methods:

Assessed microsuction-induced vertigo and nystagmus in 85 patients with diverse TM appearances.
Recorded nystagmus direction based on patient positioning.

Main Results:

Nystagmus occurred in 95% of patients; vertigo in 36%.
Nystagmus direction varied with positioning (ipsilateral/contralateral).
Rotatory vertigo was significantly higher in patients with TM perforation, open cavity mastoidectomy, and adhesive otitis media (74%) compared to those without (10%).

Conclusions:

Microsuction-induced vertigo is likely caused by endolymph convection in the lateral semicircular canal due to cooling.
While nystagmus is common, vertigo incidence depends on TM condition.
Clinicians must monitor for vertigo and explore preventive strategies.