Post-stroke cognitive impairment (PSCI) is a common and disabling complication that affects memory, thinking, and daily functioning after a stroke. The immune-inflammatory response triggered during an acute stroke is believed to contribute to secondary brain injury and cognitive decline. Routine, low-cost blood tests that assess systemic inflammation, specifically the neutrophil-to-lymphocyte ratio (NLR), globulin-to-lymphocyte ratio (GLR), C-reactive protein-to-lymphocyte ratio (CLR), and lymphocyte-to-monocyte ratio (LMR), may serve as useful early indicators of cognitive risk.
The purpose of this observational study is to evaluate whether these inflammatory blood markers, measured during the acute hospital phase, can independently predict early-onset cognitive impairment in adult patients aged 18 to 59 years with acute basal ganglionic stroke (ischemic or primary hemorrhagic).
Participants admitted within 72 hours of symptom onset will undergo standard clinical assessments, stroke severity evaluation using the National Institutes of Health Stroke Scale (NIHSS), brain neuroimaging (CT or MRI), and routine blood testing between 24 and 72 hours post-admission. At 3 months post-stroke, participants will complete a cognitive evaluation using the Arabic-validated Montreal Cognitive Assessment (MoCA). Identifying accessible admission biomarkers could help healthcare providers recognize patients at high risk of cognitive impairment early, enabling timely monitoring and early referral for cognitive rehabilitation.
Age between 18 and 59 years.
First-ever acute stroke (ischemic or primary intracerebral hemorrhage) confirmed by brain CT or MRI, with documented basal ganglionic involvement.
Hospital admission within 72 hours of symptom onset.
Written informed consent provided by the patient or their legally authorized representative.
Pre-existing cognitive impairment or dementia (e.g., Alzheimer's disease, vascular dementia).
Severe neurological or sensory deficits precluding cognitive assessment, including severe aphasia, altered level of consciousness, or significant visual or hearing impairment.
Severe organ dysfunction, including severe cardiac, hepatic, or renal insufficiency.
Medical conditions confounding systemic inflammatory markers, including active systemic infection, autoimmune disease, or recent major surgery/trauma.
Adult patients aged 18 to 59 years presenting with a confirmed first-ever acute stroke (ischemic or primary intracerebral hemorrhage) with basal ganglionic involvement, admitted to the Stroke Unit of the Department of Neurology at Assiut University Hospitals within 72 hours of symptom onset.
Cohort
Prospective
Not listed
Incidence of Early Post-Stroke Cognitive Impairment (PSCI)
Post-stroke cognitive impairment is determined using the Arabic-validated Montreal Cognitive Assessment (MoCA). The MoCA tests multiple cognitive domains (visuospatial/executive, naming, memory, attention, language, abstraction, delayed recall, and orientation), yielding a total score between 0 and 30, where higher scores indicate better cognitive performance. Early PSCI is defined as an education-adjusted MoCA score of less than 23 (\<23).
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