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Autonomic dysfunction as a possible cause of residual dizziness after successful treatment in benign paroxysmal positional vertigo

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Author(s)
Hyun-Ah KimHyung Lee
Keimyung Author(s)
Kim, Hyun AhLee, Hyung
Department
Dept. of Neurology (신경과학)
Brain Research Institute (뇌연구소)
Journal Title
Clinical Neurophysiology
Issued Date
2014
Volume
125
Issue
3
Abstract
Objective: To investigate whether residual dizziness after successful treatment in patients with benign
paroxysmal positional vertigo (BPPV) was associated with autonomic dysfunction.
Methods: Fifty-eight consecutive patients with BPPV who had successful canal repositioning procedures
(CRPs) and showed no nystagmus or positional vertigo at the next follow-up visit were enrolled and
divided into two groups with and without residual dizziness. We performed a standardized autonomic
function test.
Results: Of the 58 patients, 25 (43%) complained of residual dizziness after successful CRPs, in which postural
lightheadedness when righting from sitting, or short-lasting nonspecific dizziness that occurred
during head movement or walking were common complaints. Orthostatic hypotension (OH) occurred
in 11 patients (19%). Incidence of OH was significantly higher in patients with residual dizziness at the
next follow-up than those without residual dizziness (40% and 3%, p = 0.000). Compared to patients without
residual dizziness, patients with residual dizziness had larger falls in systolic BP during the valsalva
maneuver and head-up tilt test. However, cardiovagal parasympathetic function was not different
between the patients with and without residual dizziness.
Conclusion: In BPPV, residual dizziness after successful treatment may be associated with sympathoneural
autonomic dysfunction.
Significance: This investigation could be useful in understanding the mechanism of residual dizziness in
patients with BPPV.
2013 International Federation of Clinical Neurophysiology. Published by Elsevier Ireland Ltd. All rights
reserved.
Keimyung Author(s)(Kor)
김현아
이형
Publisher
School of Medicine
Citation
Hyun-Ah Kim and Hyung Lee. (2014). Autonomic dysfunction as a possible cause of residual dizziness
after successful treatment in benign paroxysmal positional vertigo. Clinical Neurophysiology, 125(3), 608–614. doi: 10.1016/j.clinph.2013.08.008
Type
Article
ISSN
1388-2457
Source
https://www.sciencedirect.com/science/article/pii/S1388245713009917?via%3Dihub
DOI
10.1016/j.clinph.2013.08.008
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/35500
Appears in Collections:
3. Research Institutues (연구소) > Brain Research Institute (뇌연구소)
1. School of Medicine (의과대학) > Dept. of Neurology (신경과학)
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