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Burden of cardiac arrhythmias in patients with acute myocardial infarction and their impact on hospitalization outcomes: insights from China acute myocardial infarction (CAMI) registry
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Burden of cardiac arrhythmias in patients with acute myocardial infarction and their impact on hospitalization outcomes: insights from China acute myocardial infarction (CAMI) registry
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Burden of cardiac arrhythmias in patients with acute myocardial infarction and their impact on hospitalization outcomes: insights from China acute myocardial infarction (CAMI) registry
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Journal Article
Burden of cardiac arrhythmias in patients with acute myocardial infarction and their impact on hospitalization outcomes: insights from China acute myocardial infarction (CAMI) registry
2024
Overview
Background
The coexistence of cardiac arrhythmias in patients with acute myocardial infarction (AMI) usually exhibits poor prognosis. However, there are few contemporary data available on the burden of cardiac arrhythmias in AMI patients and their impact on in-hospital outcomes.
Methods
The present study analyzed data from the China Acute Myocardial Infarction (CAMI) registry involving 23,825 consecutive AMI patients admitted to 108 hospitals from January 2013 to February 2018. Cardiac arrhythmias were defined as the presence of bradyarrhythmias, sustained atrial tachyarrhythmias, and sustained ventricular tachyarrhythmias that occurred during hospitalization. In-hospital outcome was defined as a composite of all-cause mortality, cardiogenic shock, re-infarction, stroke, or heart failure.
Results
Cardiac arrhythmia was presented in 1991 (8.35%) AMI patients, including 3.4% ventricular tachyarrhythmias, 2.44% bradyarrhythmias, 1.78% atrial tachyarrhythmias, and 0.73% ≥2 kinds of arrhythmias. Patients with arrhythmias were more common with ST-segment elevation myocardial infarction (83.3% vs. 75.5%,
P
< 0.001), fibrinolysis (12.8% vs. 8.0%,
P
< 0.001), and previous heart failure (3.7% vs. 1.5%,
P
< 0.001). The incidences of in-hospital outcomes were 77.0%, 50.7%, 43.5%, and 41.4%, respectively, in patients with ≥ 2 kinds of arrhythmias, ventricular tachyarrhythmias, bradyarrhythmias, and atrial tachyarrhythmias, and were significantly higher in all patients with arrhythmias than those without arrhythmias (48.9% vs. 12.5%,
P
< 0.001). The presence of any kinds of arrhythmia was independently associated with an increased risk of hospitalization outcome (≥ 2 kinds of arrhythmias, OR 26.83, 95%CI 18.51–38.90; ventricular tachyarrhythmias, OR 8.56, 95%CI 7.34–9.98; bradyarrhythmias, OR 5.82, 95%CI 4.87–6.95; atrial tachyarrhythmias, OR4.15, 95%CI 3.38–5.10), and in-hospital mortality (≥ 2 kinds of arrhythmias, OR 24.44, 95%CI 17.03–35.07; ventricular tachyarrhythmias, OR 13.61, 95%CI 10.87–17.05; bradyarrhythmias, OR 7.85, 95%CI 6.0-10.26; atrial tachyarrhythmias, OR 4.28, 95%CI 2.98–6.16).
Conclusion
Cardiac arrhythmia commonly occurred in patients with AMI might be ventricular tachyarrhythmias, followed by bradyarrhythmias, atrial tachyarrhythmias, and ≥ 2 kinds of arrhythmias. The presence of any arrhythmias could impact poor hospitalization outcomes.
Registration
Clinical Trial Registration: Identifier: NCT01874691.
Publisher
BioMed Central,BioMed Central Ltd,Springer Nature B.V,BMC
Subject
/ Aged
/ Analysis
/ Arrhythmias, Cardiac - diagnosis
/ Arrhythmias, Cardiac - epidemiology
/ Arrhythmias, Cardiac - mortality
/ Arrhythmias, Cardiac - therapy
/ Complications and side effects
/ Female
/ Humans
/ Ischemia
/ Male
/ Medicine
/ Myocardial Infarction - complications
/ Myocardial Infarction - diagnosis
/ Myocardial Infarction - epidemiology
/ Myocardial Infarction - mortality
/ Myocardial Infarction - therapy
/ Patients
/ Sinuses
/ ST Elevation Myocardial Infarction - complications
/ ST Elevation Myocardial Infarction - diagnosis
/ ST Elevation Myocardial Infarction - epidemiology
/ ST Elevation Myocardial Infarction - mortality
/ ST Elevation Myocardial Infarction - therapy
/ Stroke
