Useless. We need solutions for fatigue post-stroke not an association. This doesn't help survivors one bit.
Association Between Fatigue and Cognitive Impairment at 6 Months in Patients With Ischemic Stroke Treated With Acute Revascularization Therapy
- Dijon Stroke Registry, EA7460, Pathophysiology and Epidemiology of Cerebro-Cardiovascular diseases (PEC2), University Hospital of Dijon, University of Burgundy, Dijon, France
Background: Fatigue is a frequent
symptom after stroke. We aimed to determine the association between
fatigue and cognitive performance in patients with ischemic stroke who
received acute revascularization therapy (IV thrombolysis and/or
mechanical thrombectomy).
Methods: Seventy patients were
prospectively included in the stroke unit of the University Hospital of
Dijon, France. A follow-up was performed at 6 months with clinical
examination, fatigue assessment by the Fatigue Severity Scale (FSS), and
a comprehensive neuropsychological evaluation. Patients with fatigue
(FSS score >4) were compared with patients without fatigue.
Neuropsychological factors associated with fatigue at 6 months were
analyzed using multivariable logistic regression models.
Results: Fatigue was reported by 34.3%
of patients. Patients with fatigue were older, had more frequent
residual handicap, depressive symptoms, and impaired quality of life.
They had more frequently low score (<26) on the MoCA scale (79.2 vs.
47.8%, OR = 4.15; 95% CI: 1.32–13, p = 0.015), memory impairment (60 vs. 30.6%, OR = 3.41; 95% CI: 1.09–10.7, p = 0.035), and executive dysfunction (65 vs. 30.8%, OR = 4.18; 95% CI: 1.33–13.1, p
= 0.014). In multivariable logistic regression analysis, only memory
impairment was independently associated with fatigue (OR = 5.70; 95% CI:
1.09–29.6, p = 0.039). Further analyses restricted to non-depressed patients (n = 58, 84.1%) showed in multivariable models that a score < 26 on MoCA scale (OR 5.12; 95% CI: 1.00–26.2, p = 0.05), and a memory impairment (OR = 6.17; 95% CI: 1.06–35.9, p
= 0.043) were associated with fatigue. There was also a non-significant
trend toward an association between divided attention deficit and
fatigue (OR = 6.79; 95% CI: 0.80–57.6, p = 0.079).
Conclusion: The association between
fatigue and subtle cognitive impairment including memory or attention
deficits could be of interest in elaborating future interventional
studies to evaluate the impact of therapeutic strategies, including
cognitive rehabilitation, on fatigue.
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