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Lipid profile during the first 24 hours after myocardial infarction has significant prognostic value
Aleksander Górecki1, Bronisław Bednarz, Tomasz Jaxa-Chamiec
1Department of Cardiology, Postgraduate Medical Centre, Grochowski Hospital, Warsaw, Poland.
Insights
Patients with high total cholesterol and LDL-cholesterol during acute myocardial infarction face a higher risk of complications. Early statin therapy is suggested for improved outcomes in heart attack patients.
Area of Science:
- Cardiology
- Lipid Metabolism
- Clinical Outcomes
Background:
- Elevated total cholesterol and LDL-cholesterol impair endothelial function.
- Hypercholesterolemia may negatively impact acute myocardial infarction (AMI) progression.
- Understanding lipid level impact on AMI prognosis is crucial.
Purpose of the Study:
- To investigate the association between lipid levels and clinical outcomes in AMI patients.
- To determine if elevated cholesterol levels predict an unfavorable in-hospital course.
- To assess the prognostic value of early lipid profiles in AMI.
Main Methods:
- Study included 348 patients hospitalized within 24 hours of AMI onset.
- Lipid profiles (total cholesterol, LDL-cholesterol) were measured on day 1.
- In-hospital complications (death, ischemia, arrhythmias, heart failure) were recorded.
Main Results:
- 31% of patients experienced a complicated in-hospital course.
- Patients with complicated AMI had significantly higher total cholesterol (243 vs 211 mg/dl) and LDL-cholesterol (156 vs 132 mg/dl).
- Elevated lipid levels were strongly associated with adverse outcomes (p<0.001).
Conclusions:
- High total cholesterol and LDL-cholesterol levels within 24 hours of AMI indicate a poor prognosis.
- Early intervention with statins is recommended for AMI patients.
- Lipid management is a key factor in improving AMI patient outcomes.
Aims:
A high level of total cholesterol and LDL-cholesterol disturbs the endothelial function. Thus it can be expected, that hypercholesterolaemia may unfavourably influence the course of the acute myocardial infarction. The aim of the study was to check whether patients with lipid levels above normal during the first hours of myocardial infarction have an unfavourable clinical outcome.
Methods And Results:
The study group consisted of 348 patients (216 males, aged 65.7+/-12 years) with acute myocardial infarction hospitalized up to 24 hours after the onset of symptoms. Blood samples for lipid profile were taken on the first day of hospitalization, in the morning, while fasting. 109 (31%) patients had a complicated in-hospital course of infarction (i.e. death, recurrent ischaemia, serious arrhythmias and/or conduction disturbances, heart failure). The total cholesterol and LDL-cholesterol levels were higher in the patients with complicated than in the patients with uncomplicated clinical course of infarction: 243+/-40.7 vs 211.2+/-40.6 mg/dl, p<0.001 and 156+/-35.0 vs 132.6+/-35.2 mg/dl p<0.001, respectively.
Conclusions:
Higher levels of total cholesterol and LDL cholesterol during the first 24 hours of acute myocardial infarction have a strong negative prognostic value, what suggests the use of statins as early as possible in acute myocardial infarction.
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