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Impairments in spatial navigation during walking in patients 70 years or younger with mild stroke
Department of Physiotherapy, Oslo University Hospital (OUS), Oslo, Norway; Department of Geriatric Medicine, OUS, Oslo, Norway; Institute of Clinical Medicine, University of Oslo (UiO), Oslo, Norway; Department of Neurology, OUS, Oslo, Norway.
Örebro University Hospital. Örebro University, School of Medical Sciences. Department of Internal Medicine, Central Hospital, Karlstad, Sweden; Department of Neurology, Central Hospital, Karlstad and Örebro, Sweden.
Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, Trondheim, Norway.
Department of Geriatric Medicine, OUS, Oslo, Norway; Institute of Clinical Medicine, University of Oslo (UiO), Oslo, Norway.
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2020 (English)In: Topics in Stroke Rehabilitation, ISSN 1074-9357, E-ISSN 1945-5119, Vol. 27, no 8, p. 601-609Article in journal (Refereed) Published
Abstract [en]

Background: Spatial navigation, the ability to determine and maintain a route from one place to another, is needed for independence in everyday life. Knowledge about impairments in spatial navigation in people with mild stroke is scarce.

Objectives: To explore impairments in spatial navigation in patients ≤70 years after first-ever mild ischemic stroke (NIHSS≤3) and to explore which variables are associated with these impairments 12 months later.

Methods: Patients were examined in the acute phase, and after 3 and 12 months. To assess impairments in spatial navigation, we used the Floor Maze Test (FMT), with time and FMT-errors as outcomes. Patients' perceived navigational skills were collected using self-report. Logistic regression was used to explore which variables (sociodemographic data, stroke characteristics, cognition, and mobility) were associated with impaired navigation ability.

Results: Ninety-seven patients (20 females) were included. The mean (SD) age was 55.5 (11.4) years. Timed FMT improved significantly from the acute phase to 12 months (p = <.001). At 12 months, 24 (24.7%) of the participants walked through the maze with errors, and 22 (22.7%) reported spatial navigational problems. The Trail Making Test (TMT)-B was the only variable from the acute phase associated with FMT-errors at 12 months, and being female was the only variable associated with self-reported navigational problems at 12 months.

Conclusion: Nearly one in four patients experienced spatial navigation problems 12 months after a mild stroke. Executive function (TMT-B), measured in the acute phase, was associated with navigational impairments (FMT-errors) at 12 months, and being female was associated with self-reported navigational problems.

Place, publisher, year, edition, pages
Taylor & Francis, 2020. Vol. 27, no 8, p. 601-609
Keywords [en]
Mild stroke, performance-based, self-report, spatial navigation, working age
National Category
Neurosciences
Identifiers
URN: urn:nbn:se:oru:diva-81403DOI: 10.1080/10749357.2020.1755814ISI: 000528179000001PubMedID: 32316862Scopus ID: 2-s2.0-85083719085OAI: oai:DiVA.org:oru-81403DiVA, id: diva2:1427706
Note

Funding Agency:

Norwegian Fund for Postgraduate Training in Physiotherapy  76340

Available from: 2020-04-30 Created: 2020-04-30 Last updated: 2021-01-15Bibliographically approved

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