Key result
Mechanical ventilation in acute MI is linked to ~6-fold higher one-year mortality vs no ventilation.
Why the study?
Does the need for mechanical ventilation in the acute phase of myocardial infarction impact mortality in patients treated with primary PCI?
Cohort (n=510)
No
Does the need for mechanical ventilation in the acute phase of myocardial infarction impact mortality in patients treated with primary PCI?
Hazard Ratio: 6.23 (95% CI 3.95–9.82)
Absolute Event Rate: 60.5% vs 12.6%
p-value: p=0.000000005
Patients requiring mechanical ventilation during acute myocardial infarction treated with primary PCI have a significantly higher 1-year mortality (60.5%) compared to those not requiring ventilation, though prognosis is relatively favorable for those ventilated solely due to primary malignant arrhythmias.
Ventilation requirement during acute MI after primary PCI signals high mortality risk; leaves open whether it marks severity or contributes causally.
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Jirmář et al. (2007) conducted a cohort in Acute myocardial infarction (n=510). Mechanical ventilation vs. No mechanical ventilation was evaluated on Overall mortality (1-year rates reported) (HR 6.23, 95% CI 3.95-9.82, p=0.000000005). Mechanical ventilation in the acute phase of myocardial infarction was associated with a significantly higher one-year mortality (60.5% vs 12.6%) compared to no mechanical ventilation (HR 6.23).
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