ArticleMedizinische Klinik, Intensivmedizin und Notfallmedizin2024
Evaluation of troponin I serum levels in patients with arrhythmias with and without coronary artery disease.
Article in Medizinische Klinik, Intensivmedizin und Notfallmedizin, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 2 citations in OpenAlex.
- Association between the Glucose-to-Lymphocyte Ratio and Mortality in Patients with Ischemic Stroke: Based on the MIMIC-IV Database.Annals of Indian Academy of Neurology · 2026Article
- Troponin elevation in supraventricular tachycardia: A narrative review.World journal of cardiology · 2025Review
- Paroxysmal Supraventricular Tachycardia and Troponin Elevation: Insights into Mechanisms, Risk Factors, and Outcomes.Journal of clinical medicine · 2025Article
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Authors and funding
6 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundElevated levels of cardiac enzymes in the blood are an indicator of ongoing cardiac ischemia. Persistent tachycardia may lead to myocardial ischemia due to oxygen supply-demand mismatch.
objectivesWe sought to evaluate the probability of underlying coronary artery disease (CAD) in patients with symptomatic supraventricular (SVT) or ventricular tachyarrhythmias (VT) based on cardiac enzyme level fluctuation. MATERIALS AND
methodsTroponin I (TNI) levels were measured twice and coronary angiography was also performed in patients without a history of cardiovascular disease and symptomatic SVT or VT.
resultsOf the 114 (group A: CAD (n = 40), group B: no CAD (n = 74)) patients eligible for the study, 34 patients in group A and 64 patients in group B had SVT, while 6 patients in group A and 10 patients in group B had VT. All patients with underlying CAD developed a significantly elevated TNI level compared to baseline, irrespective of arrhythmia type (2.02 ± 7.98 ng/ml vs. 5.64 ± 13.38, p = 0.031). In patients without CAD, TNI level was not significantly elevated compared to the baseline level, irrespective of arrhythmia type (0.34 ± 1.38 ng/ml vs. 0.48 ± 1.48 ng/ml, p = 0.158). Most patients with normal TNI levels (46 of 47 patients; 98 %) had SVT. CAD was present in 13 of 47 patients (27 %) with tachycardia, despite normal TNI levels.
conclusionsElevated TNI levels are not helpful to discriminate between SVT and VT. An increase in TNI level in repeated blood sampling can help identify patients with higher probability of underlying CAD. Patients with VT demonstrated higher increases in TNI levels, compared to patients with SVT.
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