Predictors of survival after cerebral infarction: importance of cardiac factors

Area of Science:

• Neurology
• Geriatrics
• Cardiology

Background:

• Stroke is a leading cause of death globally.
• Reducing stroke incidence and case fatality are key strategies.
• Elderly individuals are particularly vulnerable to stroke complications.

Purpose of the Study:

• Identify predictors of mortality in elderly patients with acute cerebral infarction.
• Determine factors present at hospital admission that correlate with poor outcomes.
• Enhance risk stratification for acute stroke in older populations.

Main Methods:

• Prospective cohort study of 215 elderly patients admitted with acute cerebral infarction.
• Confirmation of diagnosis via computed tomography (CT).
• Survival analysis using a proportional hazards model over a one-year follow-up period.

Main Results:

• Univariate analysis identified predictors: elevated serum creatinine, interstitial edema on chest X-ray, low Mini-Mental State Examination (MMSE) score, atrial fibrillation, advanced age, cardiomegaly, elevated leucocyte count, pulmonary venous congestion, and homonymous hemianopia.
• Interstitial edema was the strongest cardiac predictor.
• Multivariate models identified key predictors: (1) interstitial edema, serum creatinine, age, and homonymous hemianopia; (2) serum creatinine and MMSE score.

Conclusions:

• Elevated serum creatinine and low MMSE scores are significant predictors of mortality in elderly stroke patients.
• Interstitial edema, advanced age, and homonymous hemianopia also contribute to mortality risk.
• Further research is needed to elucidate the link between high serum creatinine and adverse stroke outcomes.