Role of Clinical Evaluation of Ischaemia Modified Albumin in Diagnosis of Acute Coronary Syndrome: Unstable Angina to Myocardial Infarction
Introduction: Acute Coronary Syndrome (ACS) includes a spectrum of disorders ranging from unstable angina to myocardial infarction. Since, ACS is an important cause of mortality in the world, early diagnosis of the disease is very important. Ischaemia Modified Albumin (IMA) is an ischaemia biomarker...
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| Format: | Article |
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JCDR Research and Publications Private Limited
2018-01-01
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| Series: | Journal of Clinical and Diagnostic Research |
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| Online Access: | https://jcdr.net/articles/PDF/11055/29151_CE(RA1)_F(T)_PF1(MJ_GG)_PFA(MJ_AnG)_PN(AP)_PFA2(EK_AP).pdf |
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| author | Nastaran Mojibi Babak Bagheri Mehryar Zargari |
| author_facet | Nastaran Mojibi Babak Bagheri Mehryar Zargari |
| author_sort | Nastaran Mojibi |
| collection | DOAJ |
| description | Introduction: Acute Coronary Syndrome (ACS) includes a spectrum of disorders ranging from unstable angina to myocardial infarction. Since, ACS is an important cause of mortality in the world, early diagnosis of the disease is very important. Ischaemia Modified Albumin (IMA) is an ischaemia biomarker that has been approved by the US Food and Drug administration and has clinical application. Although, many studies have been done on IMA as a biomarker in ACS patients, role of IMA for differentiating patients with unstable angina, Non ST-Segment Elevation Myocardial Infarction (NSTEMI) and ST-Segment Elevation Myocardial Infarction (STEMI) requires further study. Aim: To assess the diagnostic role of IMA in ACS patients and evaluate correlation between IMA and necrotic biomarkers such as cardiac Troponin I (cTnI) and Creatine kinase-myoglobin binding (CKmb) in ACS patients. Materials and Methods: The study included 75 subjects with ACS, who were divided into three groups of 25 patients each: Unstable angina, NSTEMI and Myocardial Infarction (MI) and 25 healthy people as control. They were enrolled into the study from the Fatemeh Zahra Heart Center, Sari, Iran, between November 2015 and October 2016. IMA was measured by the CobaltAlbumin Binding (CAB) assay, cTnI was measured by rapid immunoassay and CKmb was estimated utilising colorometric enzyme method by commercial kits. The correlation between IMA and necrotic biomarkers was determined using a Pearson correlation analysis. Receiver Operator Characteristic (ROC) curve was used to assess role of IMA in diagnosis of ACS. Results: IMA levels in unstable angina patients were significantly higher than NSTEMI and MI (p<0.001). While there was no significant difference in IMA levels between NSTEMI and MI (p=0.675). Bivariate correlation analyses were performed to assess for any relationship between IMA levels and two common cardiac biomarkers (p>0.5, r=0.25). The area under the ROC curve of IMA for ACS patients was 0.783. The sensitivity, specificity, Positive Predictive Value (PPV) and Negative Predictive Value (NPV) of IMA was 74.7%, 72%, 88.9% and 48.6% respectively. Conclusion: IMA is a useful biomarker in diagnosis of ACS especially unstable angina patients and there is no significant correlation between IMA and necrotic biomarkers (cTnI and CKmb) in ACS patients. |
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| issn | 2249-782X 0973-709X |
| language | English |
| last_indexed | 2024-12-22T15:17:55Z |
| publishDate | 2018-01-01 |
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| spelling | doaj.art-519b2995bb1d41a0b7d4d0bad39aca8c2022-12-21T18:21:41ZengJCDR Research and Publications Private LimitedJournal of Clinical and Diagnostic Research2249-782X0973-709X2018-01-01121BC06BC0910.7860/JCDR/2018/29151.11055Role of Clinical Evaluation of Ischaemia Modified Albumin in Diagnosis of Acute Coronary Syndrome: Unstable Angina to Myocardial InfarctionNastaran Mojibi0Babak Bagheri1Mehryar Zargari2Postgraduate Student, Department of Biochemistry and Genetic, Cellular and Molecular Research Center, Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran.Associate Professor, Department of Cardiology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Mazandaran, Iran.Associate Professor, Department of Biochemistry, Biophysics and Genetic, Cellular and Molecular Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.Introduction: Acute Coronary Syndrome (ACS) includes a spectrum of disorders ranging from unstable angina to myocardial infarction. Since, ACS is an important cause of mortality in the world, early diagnosis of the disease is very important. Ischaemia Modified Albumin (IMA) is an ischaemia biomarker that has been approved by the US Food and Drug administration and has clinical application. Although, many studies have been done on IMA as a biomarker in ACS patients, role of IMA for differentiating patients with unstable angina, Non ST-Segment Elevation Myocardial Infarction (NSTEMI) and ST-Segment Elevation Myocardial Infarction (STEMI) requires further study. Aim: To assess the diagnostic role of IMA in ACS patients and evaluate correlation between IMA and necrotic biomarkers such as cardiac Troponin I (cTnI) and Creatine kinase-myoglobin binding (CKmb) in ACS patients. Materials and Methods: The study included 75 subjects with ACS, who were divided into three groups of 25 patients each: Unstable angina, NSTEMI and Myocardial Infarction (MI) and 25 healthy people as control. They were enrolled into the study from the Fatemeh Zahra Heart Center, Sari, Iran, between November 2015 and October 2016. IMA was measured by the CobaltAlbumin Binding (CAB) assay, cTnI was measured by rapid immunoassay and CKmb was estimated utilising colorometric enzyme method by commercial kits. The correlation between IMA and necrotic biomarkers was determined using a Pearson correlation analysis. Receiver Operator Characteristic (ROC) curve was used to assess role of IMA in diagnosis of ACS. Results: IMA levels in unstable angina patients were significantly higher than NSTEMI and MI (p<0.001). While there was no significant difference in IMA levels between NSTEMI and MI (p=0.675). Bivariate correlation analyses were performed to assess for any relationship between IMA levels and two common cardiac biomarkers (p>0.5, r=0.25). The area under the ROC curve of IMA for ACS patients was 0.783. The sensitivity, specificity, Positive Predictive Value (PPV) and Negative Predictive Value (NPV) of IMA was 74.7%, 72%, 88.9% and 48.6% respectively. Conclusion: IMA is a useful biomarker in diagnosis of ACS especially unstable angina patients and there is no significant correlation between IMA and necrotic biomarkers (cTnI and CKmb) in ACS patients.https://jcdr.net/articles/PDF/11055/29151_CE(RA1)_F(T)_PF1(MJ_GG)_PFA(MJ_AnG)_PN(AP)_PFA2(EK_AP).pdfcreatine kinase myoglobin bindingcardiac troponin icobalt-albumin binding assay |
| spellingShingle | Nastaran Mojibi Babak Bagheri Mehryar Zargari Role of Clinical Evaluation of Ischaemia Modified Albumin in Diagnosis of Acute Coronary Syndrome: Unstable Angina to Myocardial Infarction Journal of Clinical and Diagnostic Research creatine kinase myoglobin binding cardiac troponin i cobalt-albumin binding assay |
| title | Role of Clinical Evaluation of Ischaemia Modified Albumin in Diagnosis of Acute Coronary Syndrome: Unstable Angina to Myocardial Infarction |
| title_full | Role of Clinical Evaluation of Ischaemia Modified Albumin in Diagnosis of Acute Coronary Syndrome: Unstable Angina to Myocardial Infarction |
| title_fullStr | Role of Clinical Evaluation of Ischaemia Modified Albumin in Diagnosis of Acute Coronary Syndrome: Unstable Angina to Myocardial Infarction |
| title_full_unstemmed | Role of Clinical Evaluation of Ischaemia Modified Albumin in Diagnosis of Acute Coronary Syndrome: Unstable Angina to Myocardial Infarction |
| title_short | Role of Clinical Evaluation of Ischaemia Modified Albumin in Diagnosis of Acute Coronary Syndrome: Unstable Angina to Myocardial Infarction |
| title_sort | role of clinical evaluation of ischaemia modified albumin in diagnosis of acute coronary syndrome unstable angina to myocardial infarction |
| topic | creatine kinase myoglobin binding cardiac troponin i cobalt-albumin binding assay |
| url | https://jcdr.net/articles/PDF/11055/29151_CE(RA1)_F(T)_PF1(MJ_GG)_PFA(MJ_AnG)_PN(AP)_PFA2(EK_AP).pdf |
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