Related Experiment Video

Updated: May 25, 2026

A Sensitive and Specific Quantitation Method for Determination of Serum Cardiac Myosin Binding Protein-C by Electrochemiluminescence Immunoassay
10:12

A Sensitive and Specific Quantitation Method for Determination of Serum Cardiac Myosin Binding Protein-C by Electrochemiluminescence Immunoassay

Published on: August 8, 2013

Release patterns of copeptin and troponin in Tako-Tsubo cardiomyopathy

Christof Burgdorf1, Andreas Schubert, Heribert Schunkert

  • 1Department of Internal Medicine II, University Hospital Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23538 Lübeck, Germany. christof.burgdorf@uk-sh.de

Peptides
|February 14, 2012
PubMed

Insights

Copeptin does not significantly improve differentiation between Tako-Tsubo cardiomyopathy (TTC) and acute myocardial infarction (AMI). Troponin levels were also similar between groups, indicating coronary angiography remains essential for diagnosis.

Area of Science:

  • Cardiology
  • Biomarker Research
  • Diagnostic Imaging

Background:

  • Distinguishing Tako-Tsubo cardiomyopathy (TTC) from acute myocardial infarction (AMI) is clinically important.
  • Copeptin and troponin are cardiac biomarkers investigated for non-invasive diagnostic potential.
  • Previous studies suggested copeptin's utility in differentiating these conditions.

Purpose of the Study:

  • To evaluate the role of copeptin, alongside troponin, in the non-invasive differentiation of TTC and AMI.
  • To compare release patterns of copeptin and troponin in patients with TTC versus AMI.

Main Methods:

  • Investigated copeptin and troponin levels in 49 TTC patients and 49 matched AMI patients.
  • Analyzed biomarker release patterns in relation to ECG changes and angiographic findings.
  • Utilized cardiac catheterization for sample collection and biomarker assessment.

Main Results:

  • Elevated copeptin levels were found in similar proportions of both TTC (47%) and AMI (51%) patients, with nearly identical median levels.
  • Troponin T levels were also comparable between TTC and AMI cohorts, with no significant difference in peak levels.
  • Subgroup analyses showed copeptin and troponin levels varied based on ECG characteristics and TTC ballooning patterns, but did not enable clear differentiation.

Conclusions:

  • Copeptin does not significantly enhance the non-invasive differentiation between TTC and AMI.
  • Troponin levels also showed limited discriminatory power between the two conditions.
  • Coronary angiography remains the mandatory diagnostic tool, especially for patients presenting with ST-segment elevation.

More Related Videos

Analysis of Cardiac Contractile Dysfunction and Ca2+ Transients in Rodent Myocytes07:32

Analysis of Cardiac Contractile Dysfunction and Ca2+ Transients in Rodent Myocytes

Published on: May 25, 2022

Related Concept Videos

Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
Pericarditis II: Clinical Features and Diagnostic Tests01:19

Pericarditis II: Clinical Features and Diagnostic Tests

Pericarditis is distinguished by inflammation of the pericardium, the fibrous sac that encases the heart. It can be acute, lasting less than six weeks, or chronic, persisting for over three months. Understanding its clinical manifestations and diagnostic findings is crucial for timely and effective management.Clinical ManifestationsWhile pericarditis can be asymptomatic, it usually presents with characteristic symptoms such as:Chest Pain: The most characteristic symptom of pericarditis is chest...