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Incidence trombu v levé komoře po infarktu myokardu přední stěny v moderní éře
[Frequency of left ventricular thrombus in patients with anterior wall acute myocardial infarction treated with percutaneous coronary intervention and dual antiplatelet therapy]

Svein Solheim, et al.

. 2011 ; 5 (1) : 4.

Language Czech Country Czech Republic

Persistent link   https://www.medvik.cz/link/bmc11011911

The aim of the present study was to investigate the prevalence of left ventricular (LV) thrombus formation and important determinants in patients with acute ST elevation myocardial infarction localized to the anterior wall treated with percutaneous coronary intervention (PCI) and dual-antiplatelet therapy. One hundred selected patients with ST elevation myocardial infarctions revascularized with PCI in the left anterior descending coronary artery were included. The patients participated in the Autologous Stem Cell Transplantation in Acute Myocardial Infarction (ASTAMI) trial. All were treated with aspirin 75 mg/day and clopidogrel 75 mg/day and underwent serial echocardiography and magnetic resonance imaging during the first 3 months after PCI. After 4 to 5 days, the ejection fraction and infarct size in percentage of the left anterior descending coronary artery area were assessed using single photon-emission computed tomography in addition to the ejection fraction by echocardiography. LV thrombi were detected in 15 patients during the first 3 months, 2/3 of them within the first week. No differences in baseline characteristics between the groups with and without LV thrombi were shown. However, in the thrombus group, significantly higher peak creatine kinase levels (6,128 vs 2,197 U/L, p <0.01), larger infarct sizes (82.5% vs 63.8%, p <0.01), and lower ejection fractions on single photon-emission computed tomography (35.5% vs 40.0%, p = 0.03) and on echocardiography (43.0% vs 46.0%, p = 0.03) were found compared to patients without LV thrombi. In conclusion, LV thrombus formation is a frequent finding in patients with anterior wall ST elevation myocardial infarction treated acutely with PCI and dual-antiplatelet therapy and should be assessed by echocardiography within the first week.

Frequency of left ventricular thrombus in patients with anterior wall acute myocardial infarction treated with percutaneous coronary intervention and dual antiplatelet therapy

Recenze v:

Komentář [k článku Incidence trombu v levé komoře po infarktu myokardu přední stěny v moderní éře].

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$a The aim of the present study was to investigate the prevalence of left ventricular (LV) thrombus formation and important determinants in patients with acute ST elevation myocardial infarction localized to the anterior wall treated with percutaneous coronary intervention (PCI) and dual-antiplatelet therapy. One hundred selected patients with ST elevation myocardial infarctions revascularized with PCI in the left anterior descending coronary artery were included. The patients participated in the Autologous Stem Cell Transplantation in Acute Myocardial Infarction (ASTAMI) trial. All were treated with aspirin 75 mg/day and clopidogrel 75 mg/day and underwent serial echocardiography and magnetic resonance imaging during the first 3 months after PCI. After 4 to 5 days, the ejection fraction and infarct size in percentage of the left anterior descending coronary artery area were assessed using single photon-emission computed tomography in addition to the ejection fraction by echocardiography. LV thrombi were detected in 15 patients during the first 3 months, 2/3 of them within the first week. No differences in baseline characteristics between the groups with and without LV thrombi were shown. However, in the thrombus group, significantly higher peak creatine kinase levels (6,128 vs 2,197 U/L, p <0.01), larger infarct sizes (82.5% vs 63.8%, p <0.01), and lower ejection fractions on single photon-emission computed tomography (35.5% vs 40.0%, p = 0.03) and on echocardiography (43.0% vs 46.0%, p = 0.03) were found compared to patients without LV thrombi. In conclusion, LV thrombus formation is a frequent finding in patients with anterior wall ST elevation myocardial infarction treated acutely with PCI and dual-antiplatelet therapy and should be assessed by echocardiography within the first week.
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