scholarly journals Persistent Cardiac Troponin I Elevation in Stabilized Patients After an Episode of Acute Coronary Syndrome Predicts Long-Term Mortality

Circulation ◽  
2007 ◽  
Vol 116 (17) ◽  
pp. 1907-1914 ◽  
Author(s):  
Kai M. Eggers ◽  
Bo Lagerqvist ◽  
Per Venge ◽  
Lars Wallentin ◽  
Bertil Lindahl
Keyword(s):  
Acute Coronary Syndrome ◽  
Cardiac Troponin ◽  
Troponin I ◽  
Cardiac Troponin I ◽  
Coronary Syndrome ◽  
Long Term Mortality

scholarly journals P3648Detailed temporal patterns of high-sensitivity-cardiac troponin I and T during long-term follow-up after acute coronary syndrome

2017 ◽  
Vol 38 (suppl_1) ◽  
Author(s):  
V.J. Van Den Berg ◽  
V.A.W.M. Umans ◽  
K.M. Akkerhuis ◽  
R.M. Oemrawsingh ◽  
F.W. Asselbergs ◽  
...  
Keyword(s):  
Acute Coronary Syndrome ◽  
Cardiac Troponin ◽  
Troponin I ◽  
High Sensitivity ◽  
Temporal Patterns ◽  
Cardiac Troponin I ◽  
Coronary Syndrome ◽  
Long Term Follow Up

scholarly journals Value of Cardiac Troponin I Cutoff Concentrations below the 99th Percentile for Clinical Decision-Making

2009 ◽  
Vol 55 (1) ◽  
pp. 85-92 ◽  
Author(s):  
Kai M Eggers ◽  
Allan S Jaffe ◽  
Lars Lind ◽  
Per Venge ◽  
Bertil Lindahl
Keyword(s):  
Coronary Artery Disease ◽  
Acute Coronary Syndrome ◽  
Coronary Artery ◽  
Risk Stratification ◽  
Cardiac Troponin ◽  
Troponin I ◽  
Reference Population ◽  
Cardiac Troponin I ◽  
Coronary Syndrome ◽  
Artery Disease

Abstract Background: The aim of this study was to evaluate factors influencing the 99th percentile for cardiac troponin I (cTnI) when this cutoff value is established on a highly sensitive assay, and to compare the value of this cutoff to that of lower cutoffs in the prognostic assessment of patients with coronary artery disease. Methods: We used the recently refined Access AccuTnI assay (Beckman-Coulter) to assess the distribution of cTnI results in a community population of elderly individuals [PIVUS (Prospective Study of the Vasculature in Uppsala Seniors) study; n = 1005]. The utility of predefined cTnI cutoffs for risk stratification was then evaluated in 952 patients from the FRISC II (FRagmin and Fast Revascularization during InStability in Coronary artery disease) study at 6 months after these patients had suffered acute coronary syndrome. Results: Selection of assay results from a subcohort of PIVUS participants without cardiovascular disease resulted in a decrease of the 99th percentile from 0.044 μg/L to 0.028 μg/L. Men had higher rates of cTnI elevation with respect to the tested thresholds. Whereas the 99th percentile cutoff was not found to be a useful prognostic indicator for 5-year mortality, both the 90th percentile (hazard ratio 3.1; 95% CI 1.9–5.1) and the 75th percentile (hazard ratio 2.8; 95% CI 1.7–4.7) provided useful prognostic information. Sex-specific cutoffs did not improve risk prediction. Conclusions: The 99th percentile of cTnI depends highly on the characteristics of the reference population from which it is determined. This dependence on the reference population may affect the appropriateness of clinical conclusions based on this threshold. However, cTnI cutoffs below the 99th percentile seem to provide better prognostic discrimination in stabilized acute coronary syndrome patients and therefore may be preferable for risk stratification.

Prognostic Value of Troponin I with Echocardiography Assessment in Septic Patients

QJM ◽  
2021 ◽  
Vol 114 (Supplement_1) ◽  
Author(s):  
Sherif Farouk Ibrahim ◽  
Ashraf Elsayed Elagmy ◽  
Abdelrhman Gamal Abdelsabour
Keyword(s):  
Septic Shock ◽  
Acute Coronary Syndrome ◽  
Intensive Care ◽  
Cardiac Troponin ◽  
Prognostic Value ◽  
Troponin I ◽  
Cardiac Troponin I ◽  
Coronary Syndrome ◽  
Sepsis And Septic Shock

Abstract Background Sepsis is heterogenous with regard to factors such as causal microorganism, patient predisposition, co-morbidity and response to therapy, a key element and unifying feature is the manifestation of cardiovascular dysfunction. Elevated concentrations of cardiac troponin I (cTnI) are frequently observed in patients with severe sepsis and septic shock even in the absence of an acute coronary syndrome (ACS). Objective To evaluate the prognostic value of (cTnI) with echocardiography assessment in septic patients. Patients and Methods This study was conducted at the intensive care units of Ain Shams university hospitals. 20 patients of both sexes with age ranging from 18 to 70 years diagnosed with sepsis admitted to Intensive care unit were included in prospective observational study. Results Baseline cTnI had a significant positive correlation with follow up troponine (p = 0.0016). Baseline EF had a significant negative correlation with follow up troponine (p = 0.036). Using ROC-curve analysis, troponin level at a cutoff point (>1.9) predicted patients with mortality, with good (87%) accuracy, sensitivity= 90% and specificity= 90% (p < 0.01). Conclusion Elevated concentrations of cardiac troponin I (cTnI) are frequently observed in patients with sepsis and septic shock even in the absence of an acute coronary syndrome.

scholarly journals Study of Cardiac Troponin I level in Acute Coronary Syndrome and its correlation with Left Ventricular Systolic Function

2019 ◽  
Vol 12 (1) ◽  
pp. 24-29
Author(s):  
Mohammad Jakir Hossain ◽  
Khondoker Asaduzzaman ◽  
Solaiman Hossain ◽  
Muhammad Badrul Alam ◽  
Nur Hossain
Keyword(s):  
Acute Coronary Syndrome ◽  
Chest Pain ◽  
Cardiac Troponin ◽  
Troponin I ◽  
Systolic Function ◽  
Left Ventricular ◽  
Cardiac Troponin I ◽  
Left Ventricular Ejection ◽  
Ventricular Ejection Fraction ◽  
Coronary Syndrome

Background: In the diagnosis of acute coronary syndrome, cardiac troponin I is highly reliable and widely available biomarker. Serum level of cardiac troponin I is related to amount of myocardial damage and also closely relates to infarct size. Our aim of the study is to find out the relationship between cardiac troponin I and left ventricular systolic function after acute coronary syndrome. Methods: Total of 132 acute coronary syndrome patients were included in this study after admission in coronary care unit of Sir Salimullah Medical College, Mitford Hospital. Troponin I level was measured at admission and left ventricular ejection fraction (LVEF) was measured by echocardiography between 12-48 hours of onset of chest pain. Results: There was negative correlation between Troponin I at 12 to 48 hours of chest pain with LVEF in these study patients. With a cutoff value of troponin I e”6.8 ng/ml in STEMI patients there is a significant negative relation between 12 to 48 hrs troponin I and LVEF (p<0.001). Sensitivity of troponin I e” 6.8 ng/ml between 12 to 48 hours of chest pain in predicting LVEF <50% in STEMI was 93.75% and specificity was 77.78%. In NSTEMI sensitivity of troponin I e” 4.5 ng/ml between 12 to 48 hours of chest pain in predicting LVEF <50% was 65% and specificity was 54.05%. Conclusion: Serum troponin I level had a strong negative correlation with left ventricular ejection fraction after acute coronary syndrome and hence can be used to predict the LVEF in this setting. Cardiovasc. j. 2019; 12(1): 24-29

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