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Body lateropulsion as an isolated or predominant symptom of a pontine infarction

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Author(s)
Hyon-Ah YiHyun-Ah KimHyung LeeRobert W Baloh
Keimyung Author(s)
Yi, Hyon AhKim, Hyun AhLee, Hyung
Department
Dept. of Neurology (신경과학)
Institute for Medical Science (의과학연구소)
Brain Research Institute (뇌연구소)
Journal Title
Journal of Neurology, Neurosurgery and Psychiatry
Issued Date
2007
Volume
78
Issue
4
Abstract
Background: Lateropulsion of the body—that is, falling to one side—is a well-known clinical feature of stroke
in the posterior circulation. Body lateropulsion as an isolated or predominant manifestation of a pontine
stroke has not been reported previously.
Objective: To elucidate the possible mechanisms of patients presenting with body lateropulsion as an isolated
or predominant symptom of an isolated pontine infarction.
Methods: Between May 2004 and February 2006, out of 134 patients admitted with an isolated pontine
stroke, we identified 8 (6%) consecutive patients in the Keimyung University Stroke Registry who had body
lateropulsion as the main presenting symptom.
Results: All lesions were localised to the paramedian tegmentum just ventral to the fourth ventricle. All except
one showed a uniform pattern of body lateropulsion, in which the direction of falling was away from the side
of an infarct. In two patients body lateropulsion was the sole clinical manifestation, whereas the other patients
had other neurological signs. All but one patient had contraversive tilting of the subjective visual vertical
(SVV). In all cases, the direction of SVV tilt corresponded to the direction of body lateropulsion. The mean net
tilt angle was 6.1°.
Conclusions: Based on the known anatomy of ascending vestibular pathways, SVV tilting and MRI findings, it
is concluded that body lateropulsion probably results from damage to the graviceptive pathway ascending
through the paramedian pontine tegmentum.
Keimyung Author(s)(Kor)
이현아
김현아
이형
Publisher
School of Medicine
Citation
Hyon-Ah Yi et al. (2007). Body lateropulsion as an isolated or predominant symptom of a pontine infarction. Journal of Neurology, Neurosurgery and Psychiatry, 78(4), 372–374. doi: 10.1136/jnnp.2006.106237
Type
Article
ISSN
0022-3050
DOI
10.1136/jnnp.2006.106237
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/33837
Appears in Collections:
3. Research Institutues (연구소) > Brain Research Institute (뇌연구소)
1. School of Medicine (의과대학) > Dept. of Neurology (신경과학)
3. Research Institutues (연구소) > Institute for Medical Science (의과학연구소)
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