Key result
High shock index linked to ~11-fold higher in-hospital mortality risk in AMI patients.
Why the study?
Does high shock index predict increased mortality and adverse outcomes in patients with acute myocardial infarction?
Population
8 studies enrolling 20,404 patients with acute myocardial infarction (AMI)
Comparison
High shock index (SI) vs Low shock index (SI)
Design
Meta-analysis
Authors
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High SI was associated with worse AMI prognosis; leaves open whether incorporating it into risk models improves outcomes.
Meta-Analysis (n=20,404)
Does high shock index predict increased mortality and adverse outcomes in patients with acute myocardial infarction?
Relative Risk: 10.96 (95% CI 2–59.94)
p-value: p=.01
High shock index is a significant prognostic marker for increased in-hospital mortality and adverse outcomes in patients with acute myocardial infarction.
Zhang et al. (2017) conducted a meta-analysis in Acute myocardial infarction (n=20,404). High shock index vs. Low shock index was evaluated on All-cause in-hospital mortality (RR 10.96, 95% CI 2.00-59.94, p=.01). High shock index was associated with a significantly increased risk of in-hospital mortality among patients with acute myocardial infarction (RR 10.96; 95% CI 2.00-59.94; P=0.01).
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