Key result
Smoking is a strong predictor of delayed cerebral ischemia after subarachnoid hemorrhage (pooled OR 1.2; 95% CI 1.1-1.4).
Why the study?
What are the clinical, laboratory, and radiological predictors of delayed cerebral ischemia after aneurysmal subarachnoid hemorrhage?
Population
Patients with aneurysmal subarachnoid hemorrhage (52 studies included)
Comparison
Clinical, laboratory, and radiological… vs Absence of respective predictors
Design
Meta-analysis
Authors
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Smoking history should guide early risk stratification and monitoring after subarachnoid hemorrhage; meta-analysis reinforces its predictive value.
Meta-Analysis
What are the clinical, laboratory, and radiological predictors of delayed cerebral ischemia after aneurysmal subarachnoid hemorrhage?
Odds Ratio: 1.2 (95% CI 1.1–1.4)
Smoking, hyperglycemia, hydrocephalus, diabetes, and early SIRS are identifiable predictors of delayed cerebral ischemia within 72 hours of subarachnoid hemorrhage.
Rooij et al. (2012) conducted a meta-analysis in Subarachnoid hemorrhage. Smoking vs. Non-smokers was evaluated on Delayed cerebral ischemia (OR 1.2, 95% CI 1.1-1.4). Smoking is a strong predictor of delayed cerebral ischemia after subarachnoid hemorrhage (pooled OR 1.2; 95% CI 1.1-1.4).
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