Journal of the Saudi Heart Association · 2014
Value of N-terminal pro brain natriuretic peptide in predicting prognosis and severity of coronary artery disease in acute coronary syndrome.
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Radwan Hanan, Selem Abdelhakem, Ghazal Kamel
Аннотация
BACKGROUND: Measurement of N-terminal pro brain natriuretic peptide (NT-proBNP) in the evaluation of patients with acute coronary syndrome has appeared to be a useful prognostic marker of cardiovascular risk.
AIM OF THE WORK: To assess the in-hospital prognostic value of NT-proBNP in patients with acute coronary syndrome (ACS) and its relation to the severity of coronary artery disease.
PATIENTS AND METHODS: This study included 132 consecutive patients with ACS, 64 patients with unstable angina (UA), 46 patients with non-ST segment elevation myocardial infarction (NSTEMI), and 22 patients with ST segment elevation myocardial infarction (STEMI). ECG, echocardiography and pre and post coronary angiography measurement of troponin I, creatine kinase (Ck), C-reactive protein (CRP) and NT-proBNP were done. Patients were divided into two groups: Group A with NT-proBNP less than 474 pg/ml and Group B with NT-proBNP equal or more than 474 pg/ml.
RESULTS: There was a significant negative correlation between NT-proBNP and ejection fraction. Incidence of heart failure and duration of hospital stay were significantly higher in Group B (with NT-proBNP equal or more than 474 pg/ml) than Group A (with NT-proBNP less than 474 pg/ml). Moreover, there was a trend to an increased incidence of cardiogenic shock and mortality in Group B compared to Group A. The number of coronary vessels affected, severity of stenosis and proximal left anterior descending artery (LAD) disease were higher in Group B than in Group A. TIMI flow grade was significantly higher in Group A than in Group B.
CONCLUSION: NT-proBNP is a valuable marker for predicting prognosis and severity of coronary artery disease in patients with acute coronary syndrome.
AIM OF THE WORK: To assess the in-hospital prognostic value of NT-proBNP in patients with acute coronary syndrome (ACS) and its relation to the severity of coronary artery disease.
PATIENTS AND METHODS: This study included 132 consecutive patients with ACS, 64 patients with unstable angina (UA), 46 patients with non-ST segment elevation myocardial infarction (NSTEMI), and 22 patients with ST segment elevation myocardial infarction (STEMI). ECG, echocardiography and pre and post coronary angiography measurement of troponin I, creatine kinase (Ck), C-reactive protein (CRP) and NT-proBNP were done. Patients were divided into two groups: Group A with NT-proBNP less than 474 pg/ml and Group B with NT-proBNP equal or more than 474 pg/ml.
RESULTS: There was a significant negative correlation between NT-proBNP and ejection fraction. Incidence of heart failure and duration of hospital stay were significantly higher in Group B (with NT-proBNP equal or more than 474 pg/ml) than Group A (with NT-proBNP less than 474 pg/ml). Moreover, there was a trend to an increased incidence of cardiogenic shock and mortality in Group B compared to Group A. The number of coronary vessels affected, severity of stenosis and proximal left anterior descending artery (LAD) disease were higher in Group B than in Group A. TIMI flow grade was significantly higher in Group A than in Group B.
CONCLUSION: NT-proBNP is a valuable marker for predicting prognosis and severity of coronary artery disease in patients with acute coronary syndrome.