Key result
In patients with inferior myocardial infarction, right ventricular involvement was associated with significantly higher 24-month mortality (OR 1.8) and increased rates of in-hospital complications.
Why the study?
Right ventricular myocardial infarction is associated with adverse outcomes, but only a few studies have investigated RVMI during the past decade, requiring a scientific update.
Does the presence of right ventricular myocardial infarction increase complications and mortality in patients with acute inferior myocardial infarction?
Population
310 patients with documented inferior myocardial infarction
Comparison
Inferior myocardial infarction with RVMI vs without RVMI
Design
Retrospective study
Follow-up
24 months
Authors
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RV involvement signals higher-risk inferior MI for closer monitoring; hypothesis-generating and should not yet change practice.
Observational (n=310)
No
Does the presence of right ventricular myocardial infarction increase complications and mortality in patients with acute inferior myocardial infarction?
Effect estimate: OR 1.8 (95% CI 1.2-3.8)
Absolute Event Rate: 6.2% vs 4.1%
p-value: p=0.034
Right ventricular involvement in acute inferior myocardial infarction is associated with significantly higher rates of cardiogenic shock, AV block, atrial fibrillation, and 24-month mortality.
Neverauskaitė-Piliponienė et al. (2019) conducted an observational in Acute inferior myocardial infarction (n=310). Right ventricular myocardial infarction (RVMI) involvement vs. Inferior myocardial infarction without RVMI was evaluated on 24-month mortality (OR 1.8, 95% CI 1.2-3.8, p=0.034). In patients with inferior myocardial infarction, right ventricular involvement was associated with significantly higher 24-month mortality (OR 1.8) and increased rates of in-hospital complications.
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