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Updated: Jul 16, 2026

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
Published on: August 18, 2015
Mechanism of troponin elevations in patients with acute ischemic stroke
Jesper K Jensen1, Dan Atar, Hans Mickley
1Department of Cardiology, Odense University Hospital, Odense, Denmark. jesperkjensen@dadlnet.dk
Insights
Neurologically induced myocardial injury is common in patients with acute ischemic stroke. This review examines troponin levels in stroke patients to clarify cardiac injury interpretation.
Area of Science:
- Cardiology
- Neurology
- Biochemistry
Background:
- Ischemic heart disease and cerebrovascular diseases often coexist due to shared risk factors.
- Evidence suggests neurologically induced myocardial injury can occur in patients with stroke.
- Elevated troponin levels in acute ischemic stroke present diagnostic challenges.
Purpose of the Study:
- To systematically review studies measuring troponin in acute ischemic stroke patients.
- To clarify the interpretation of troponin elevations in the context of neurological conditions.
- To differentiate between cardiac-specific release and neurological mediation of troponin.
Main Methods:
- Literature search for studies measuring troponin in acute ischemic stroke.
- Systematic review and analysis of existing experimental, observational, and clinical trial data.
- Evaluation of electrocardiographic alterations alongside troponin levels.
Main Results:
- Troponin elevation is frequently observed in patients with acute ischemic stroke.
- The precise cause of troponin elevation (cardiac vs. neurological) remains a diagnostic dilemma.
- Electrocardiographic changes further complicate the interpretation of troponin levels.
Conclusions:
- Troponin elevation in acute ischemic stroke requires careful interpretation.
- Neurological mediation of troponin release is a significant consideration.
- Further research is needed to definitively establish the mechanisms and clinical implications.
Abstract:
Ischemic heart disease and cerebrovascular diseases frequently co-exist in the same patient, and similar risk factors are shared. For 60 years, experimental, observational, and clinical trial data have incessantly indicated that neurologically induced myocardial injury exists. Since the introduction of troponin in the diagnosis of acute myocardial infarction, this marker has been measured in a number of other conditions as well. One of these conditions is acute ischemic stroke, causing diagnostic dilemmas for clinicians. Because various electrocardiographic alterations have also been reported in these patients, it has been suggested that elevated troponin levels are somehow neurologically mediated, thus not caused by direct cardiac release. In conclusion, this review examines the available studies that systematically measured troponin in patients with acute ischemic stroke to properly interpret troponin elevations in these patients.
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