Takotsubo cardiomyopathy: state-of-the-art review

Todd A Dorfman1, Ami E Iskandrian

  • 1Division of Cardiovascular Diseases, Department of Medicine, The University of Alabama at Birmingham, LHRB 306, 1530 3rd Avenue S, Birmingham, AL 35294-0007, USA. tdorfman@cardmail.dom.uab.edu

Insights

Takotsubo cardiomyopathy (TC) involves temporary heart muscle weakening, mimicking heart attacks without blocked arteries. This review covers its causes, presentations, and management in 789 patients.

Area of Science:

  • Cardiology
  • Internal Medicine

Background:

  • Takotsubo cardiomyopathy (TC) presents as transient left ventricular dysfunction and ECG changes, often mistaken for myocardial infarction.
  • This condition typically affects postmenopausal women following significant physical or emotional stress.
  • Pathophysiological mechanisms are thought to involve excessive catecholamine release, metabolic issues, and microvascular dysfunction.

Purpose of the Study:

  • To provide a comprehensive review of Takotsubo cardiomyopathy.
  • To summarize current understanding of TC pathophysiology, clinical presentations, and management strategies.
  • To analyze data from 789 patients with TC, including nine illustrative cases.

Main Methods:

  • Literature review of published data on Takotsubo cardiomyopathy.
  • Analysis of clinical data from a cohort of 789 TC patients.
  • Inclusion of nine illustrative case studies.

Main Results:

  • The review synthesizes existing knowledge on TC, covering its diverse clinical manifestations.
  • Analysis of patient data provides insights into the characteristics and outcomes of TC.
  • Illustrative cases highlight atypical presentations and management challenges.

Conclusions:

  • Takotsubo cardiomyopathy is a distinct clinical entity requiring specific diagnostic and therapeutic approaches.
  • Understanding the pathophysiology is crucial for managing patients with this stress-induced cardiac dysfunction.
  • Further research is needed to fully elucidate TC mechanisms and optimize treatment strategies.

Related Concept Videos

Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
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...
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...