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Chronic toxic encephalopathy investigated using dynamic posturography
Örebro University, School of Health and Medical Sciences.ORCID iD: 0000-0001-6557-6359
1991 (English)In: American Journal of Otolaryngology, ISSN 0196-0709, E-ISSN 1532-818X, Vol. 12, no 2, 96-100 p.Article in journal (Refereed) Published
Abstract [en]

Seven male patients previously exposed to industrial solvents and diagnosed with chronic toxic encephalopathy (aged 38 to 69 years; mean age, 56 years) were investigated by dynamic posturography and compared with healthy, age-matched male control patients. Dynamic posturography comprises two phases: a sensory organization (SO) phase, in which the support surface and visual surround are either stable or referenced to the patient's sway, with eyes open or closed, and a movement coordination (MC) phase, in which the platform makes active movements. In SO testing, the patient group showed significantly impaired equilibrium performance compared with the control group in most test conditions. The MC test revealed no differences between groups. A relationship was found between the equilibrium score resulting from SO testing with stable support and visual surround and the sway area of the confidence ellipse elicited 3 years previously by static posturography with eyes open. We conclude that patients with chronic toxic encephalopathy have impaired equilibrium, as demonstrated by dynamic posturography testing.

Place, publisher, year, edition, pages
1991. Vol. 12, no 2, 96-100 p.
National Category
Medical and Health Sciences
Research subject
Medicine
Identifiers
URN: urn:nbn:se:oru:diva-9975DOI: 10.1016/0196-0709(91)90043-FOAI: oai:DiVA.org:oru-9975DiVA: diva2:303277
Available from: 2010-03-11 Created: 2010-03-11 Last updated: 2016-12-16Bibliographically approved

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