Ultrasonic evaluation of movement of the diaphragm after acute cerebral infarction

Houston, J.G., Morris, A.D., Grosset, D.G. , Lees, K.R., McMillan, N. and Bone, I. (1995) Ultrasonic evaluation of movement of the diaphragm after acute cerebral infarction. Journal of Neurology, Neurosurgery and Psychiatry, 58(6), pp. 738-741. (doi: 10.1136/jnnp.58.6.738) (PMID:7608679) (PMCID:PMC1073558)

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Respiratory dysfunction is an important complication of acute stroke but its mechanisms are poorly understood. Previous indirect assessments suggest that paralysis of the diaphragm occurs contralateral to the cerebral lesion. Diaphragmatic excursion was studied with real time ultrasound during quiet and deep breathing in 50 patients within 72 hours of acute stroke and 40 controls. During quiet breathing, hemidiaphragmatic movements were not significantly different between right hemispheric stroke, left hemispheric stroke, and controls. During deep inspiration, there was a significant bilateral reduction in hemi-diaphragmatic excursion in patients with stroke, for both right hemispheric stroke and left hemispheric stroke when compared with controls (both P < 0.001). Thus isolated hemidiaphragmatic paresis does not occur but maximal excursion of the diaphragm is reduced bilaterally in patients with acute stroke. This is a likely contributor to the respiratory dysfunction after acute stroke.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Grosset, Dr Donald and Lees, Professor Kennedy
Authors: Houston, J.G., Morris, A.D., Grosset, D.G., Lees, K.R., McMillan, N., and Bone, I.
College/School:College of Medical Veterinary and Life Sciences > Institute of Neuroscience and Psychology
College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing
Journal Name:Journal of Neurology, Neurosurgery and Psychiatry
Publisher:BMJ Publishing Group
ISSN (Online):1468-330X

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