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- W1984945240 abstract "To study the angiographic correlates of cardiac troponin T (cTnT)-positive and -negative patients with unstable angina pectoris.A positive cTnT test identifies a high-risk subgroup of unstable angina pectoris patients. Only the high-risk cTnT-positive patients seem to benefit from a more aggressive antithrombotic treatment regimen. The underlying coronary pathology in cTnT-positive and -negative patients that explains the predictive power of cTnT on prognosis and response to antithrombotic therapy is largely unknown.A total of 197 subsequently admitted patients with unstable angina pectoris underwent cTnT testing by a rapid bedside assay and early qualitative and quantitative angiography. Long-term follow-up was 12 months.Patients with cTnT-positive tests revealed more critical stenoses of culprit lesions (p =.041), more severe reductions of thrombolysis in myocardial infarction flow grades (p <.037), a higher prevalence of intracoronary thrombus (p =.079), and a poorer left ventricular function (p =.047). The odds ratio of cTnT was 5.8 (p <.0001) for presence of thrombus, reduced thrombolysis in myocardial infarction flow, and/or critical stenosis (>90%), and was 3.1 (p =.005) for presence of three-vessel disease, left main disease, and/or reduced left ventricular ejection fraction. Coronary bypass grafting was more frequently performed in the cTnT-positive group. However, event-free survival was not different in our cohort characterized by a high rate of percutaneous coronary interventions.A positive cTnT test in patients with unstable angina pectoris indicates presence of more severe coronary artery disease and poorer left ventricular function. This finding could explain the differences in short- and long-term outcome and treatment responses to antithrombotic regimens." @default.
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- W1984945240 date "2001-06-01" @default.
- W1984945240 modified "2023-09-26" @default.
- W1984945240 title "Angiographic correlates of a positive troponin T test in patients with unstable angina" @default.
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- W1984945240 doi "https://doi.org/10.1097/00003246-200106000-00006" @default.
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