OTSLPCohortTopics in stroke rehabilitation2017

Assessing chronic stroke survivors with aphasia sheds light on prevalence of spatial neglect.

Kimberly Hreha, Claire Mulry, Melissa Gross and 7 others

PMID 27322860

WHAT IT FOUND

Functional observation found mild neglect in five of 40 chronic left-brain stroke survivors with aphasia, but paper-and-pencil testing found none, and mobility or independence did not differ reliably.

Key findings

01Five of 40 participants had mild right spatial neglect on the observation-based Catherine Bergego Scale, a 12.5% rate.

02No participant met the criterion for spatial neglect on the Behavioral Inattention Test-conventional, because all scored above 129.

03Participants with neglect had lower Life Space scores than those without (20.7 vs 24.2) and lower Barthel Index scores (76.0 vs 92.4), but neither difference reached significance.

STILL TO COME

How it was doneWhat they foundWhat it means for OTsWhat it means for SLPs

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What it does not show

The sample was a convenience sample from one community aphasia center, so the 12.5% neglect rate may not apply to other populations. 46 people were recruited, but 40 were analysed after exclusions and consent difficulties. The study was small and described as a pilot, so it could not confirm differences in mobility or independence. Three participants failed the consent comprehension quiz, likely because of severe comprehension deficits, so people with the most severe aphasia may be missing. The participants were active members of a community center, so they may have been more independent than many people with aphasia. The neglect assessment was done at the center, not at home, so missing personal items may have reduced observed neglect errors. The study did not assess instrumental activities such as cooking, driving, medication management, or reading work or financial material. The paper-and-pencil test may be hard to administer to people with aphasia because instructions can be difficult to understand without demonstration or visual support.

The easy way to misread this

Do not conclude that left-brain stroke survivors with aphasia have no neglect because the paper-and-pencil test was negative; the observation-based test found five participants with mild neglect. Do not conclude that neglect caused lower mobility or independence; the group differences were not statistically significant (p = 0.16 and p = 0.13).

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