Gaurav Khandelwal1, Anoop Jain2, Monika Rathore3. 1. Consultant Cardiologist, Heart and General Hospital , Jaipur , Ex Senior Resident Doctor, Department of Cardiology, SMS Medical College, Jaipur, India. 2. Professor and Head of Department, Department of Cardiology, SMS Medical College , Jaipur, India . 3. Associate Professor, Department of PSM, SMS Medical College , Jaipur, India .
Abstract
BACKGROUND: The correlation of clinical risk predictors and clinical risk scores: Thrombolysis in Myocardial Infarction (TIMI), Platelet Glycoprotein IIb-IIIa in Unstable Angina, Receptor Suppression Using Integrilin Therapy (PURSUIT) and Global Registry of Acute Coronary Events (GRACE) scores in Unstable Angina with angiographic extent of Coronary Artery Disease (CAD) is not known. AIM: To know the correlation of clinical risk scores with angiographic extent of coronary artery disease. MATERIALS AND METHODS: This was a hospital based single centre, cross-sectional, observational, descriptive study conducted at a tertiary care teaching institute. One hundred and sixty patients with acute unstable angina were evaluated for presence of 9 clinical predictors and their 3 risk scores were calculated. All patients underwent coronary angiography. Correlation with Modified Gensini score and percentage stenosis in culprit artery was done. STATISTICAL ANALYSIS: Data were summarized in the form of Mean, Standard Deviation and Proportions. Multiple linear regressions, Student's t-test and Pearson's coefficient 'r' were also used. RESULTS: Use of aspirin, age >= 65 years & presence of Congestive Heart Failure (CHF) were stronger predictors of Modified Gensini score. Presence of elevated enzymes and age >65 years were more significant predictors of percentage stenosis of culprit artery. GRACE score had better correlation with Modified Gensini score, PURSUIT score had more correlation with percentage stenosis in culprit artery. CONCLUSION: Use of Aspirin, age >= 65 years, presence of CHF and presence of elevated enzymes are stronger predictors of extent of CAD. Hence we recommend that these factors be given more importance. GRACE and PURSUIT risk scores had more correlation with angiographic extent of CAD.
BACKGROUND: The correlation of clinical risk predictors and clinical risk scores: Thrombolysis in Myocardial Infarction (TIMI), Platelet Glycoprotein IIb-IIIa in Unstable Angina, Receptor Suppression Using Integrilin Therapy (PURSUIT) and Global Registry of Acute Coronary Events (GRACE) scores in Unstable Angina with angiographic extent of Coronary Artery Disease (CAD) is not known. AIM: To know the correlation of clinical risk scores with angiographic extent of coronary artery disease. MATERIALS AND METHODS: This was a hospital based single centre, cross-sectional, observational, descriptive study conducted at a tertiary care teaching institute. One hundred and sixty patients with acute unstable angina were evaluated for presence of 9 clinical predictors and their 3 risk scores were calculated. All patients underwent coronary angiography. Correlation with Modified Gensini score and percentage stenosis in culprit artery was done. STATISTICAL ANALYSIS: Data were summarized in the form of Mean, Standard Deviation and Proportions. Multiple linear regressions, Student's t-test and Pearson's coefficient 'r' were also used. RESULTS: Use of aspirin, age >= 65 years & presence of Congestive Heart Failure (CHF) were stronger predictors of Modified Gensini score. Presence of elevated enzymes and age >65 years were more significant predictors of percentage stenosis of culprit artery. GRACE score had better correlation with Modified Gensini score, PURSUIT score had more correlation with percentage stenosis in culprit artery. CONCLUSION: Use of Aspirin, age >= 65 years, presence of CHF and presence of elevated enzymes are stronger predictors of extent of CAD. Hence we recommend that these factors be given more importance. GRACE and PURSUIT risk scores had more correlation with angiographic extent of CAD.
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