Compromised arterial oxygen saturation in elderly asthma sufferers results in selective cognitive impairment

Moss, Mark, Franks, Mark, Briggs, Pamela, Kennedy, David and Scholey, Andrew (2005) Compromised arterial oxygen saturation in elderly asthma sufferers results in selective cognitive impairment. Journal of Clinical and Experimental Neuropsychology, 27 (2). pp. 139-150. ISSN 1380 3395

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Official URL: http://dx.doi.org/10.1080/13803390490515450

Abstract

Forty elderly patients with asthma or chronic obstructive pulmonary disorder (COPD) were compared to a comparison group of forty age-matched healthy volunteers on a range of measures of cognitive performance, and levels of arterial haemoglobin oxygen saturation recorded. Members of the patient group were found to have significantly lower oxygen saturation compared to the comparison group, and performed significantly poorer on tests of delayed word recall and serial subtractions, but not on other tasks. Correlational analysis between participants' oxygen saturation levels and test scores across the whole sample indicated significant positive relationships existed for the digit symbol substitution and serial subtractions tasks. The results are discussed in terms of cerebral oxygen delivery, glucose metabolism, age related cognitive decline, and relative task demands.

Item Type: Article
Subjects: B100 Anatomy, Physiology and Pathology
C800 Psychology
Department: Faculties > Health and Life Sciences > Psychology
Depositing User: Becky Skoyles
Date Deposited: 05 Feb 2015 11:23
Last Modified: 24 Oct 2017 11:36
URI: http://nrl.northumbria.ac.uk/id/eprint/19708

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