Verification of spatial recognition ability of stroke patients required to resume automobile driving.
Kouhei Todate, Akiyoshi Takami, Misato Makino
PMID 34177108WHAT IT FOUND
Stroke patients made larger errors judging car width than healthy drivers in a chair-and-panel simulation.
This suggests paper-based cognitive tests may miss spatial recognition problems needed for safe driving. Use physical 3D assessments before clearing patients to drive.
Key findings
01Stroke patients made significantly larger errors than healthy adults when judging a 150 cm width in a simulated driving seat.
02Healthy adults kept their error within 10% of the target width in the driving position, while stroke patients' mean error was 31.3 cm compared to 13.2 cm for controls.
03Standard paper-based higher brain function tests did not reveal extreme neglect or cognitive impairment in the stroke group, despite their spatial recognition errors.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTsWhat it means for SLPs
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What it does not show
The study included only 7 stroke patients, making it a small pilot with low statistical power. The healthy control group was significantly younger (mean 25.7 years) than the stroke group (mean 61.7 years), so age differences could confound the results. The simulation used chairs and panels, which may not fully replicate the complexity of actual driving conditions. The stroke patients were all in inpatient rehabilitation, so results may not generalize to those in outpatient settings or those with different severity levels.
Declared interests
There are no conflicts of interest to disclose.
The easy way to misread this
Do not conclude that all stroke patients are unfit to drive based on this small study. The participants were in inpatient rehab and had specific spatial deficits. Furthermore, the large age gap between the stroke group and the young healthy controls means we cannot be sure the errors were due to stroke or just age-related decline.