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Medicina Clínica (English Edition) Takotsubo syndrome: From pathophysiology to clinical practice
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Vol. 166. Issue 2.
(February 2026)
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Vol. 166. Issue 2.
(February 2026)
Review

Takotsubo syndrome: From pathophysiology to clinical practice

Síndrome de Takotsubo: de la fisiopatología a la práctica clínica
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Paula Mulaa, Marco Tomasinoa,b, Aitor Uribarria,b,c,d,
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auribarrig@gmail.com

Corresponding author.
a Servicio de Cardiología, Hospital Universitari Vall d'Hebron, Barcelona, Spain
b Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain
c CIBERCV, Instituto de Salud Carlos III, Madrid, Spain
d VHIR, Vall d'Hebron Institut de Recerca, Barcelona, Spain
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Abstract

Takotsubo syndrome (TTS) is an acute and transient cardiomyopathy characterised by left ventricular systolic dysfunction in the absence of obstructive coronary artery disease. Although its clinical presentation frequently resembles acute myocardial infarction, TTS is driven by distinct pathophysiological mechanisms involving sympathetic hyperactivation, catecholamine surge, coronary microvascular dysfunction, and imbalance within the brain–heart axis. Once considered a benign condition, it is now recognized to carry a significant burden of adverse events—including cardiogenic shock, malignant arrhythmias, and thromboembolic complications—with short- and long-term mortality rates comparable to those of acute coronary syndromes. Diagnosis requires the integration of clinical assessment, cardiac biomarkers, characteristic electrocardiographic changes, and advanced imaging techniques, particularly echocardiography and cardiac magnetic resonance. Management is primarily supportive and should be adapted to the predominant haemodynamic phenotype. This review provides an updated and comprehensive synthesis of the epidemiology, pathophysiology, diagnostic strategies, complications, treatment approaches, and prognosis of TTS, while highlighting current evidence gaps that warrant ongoing and future clinical trials.

Keywords:
Takotsubo syndrome
Stress cardiomyopathy
Catecholamines
Cardiogenic shock
Cardiac magnetic resonance
Treatment
Resumen

El síndrome de Takotsubo (STT) es una miocardiopatía aguda y transitoria caracterizada por disfunción sistólica del ventrículo izquierdo en ausencia de enfermedad coronaria obstructiva significativa. Su presentación clínica imita al IAM, pero con mecanismos fisiopatológicos distintos que incluyen hiperactividad simpática, exceso de catecolaminas, disfunción microvascular y alteraciones en el eje cerebro-corazón. Aunque inicialmente se consideró benigno, hoy se reconoce que el STT se asocia a complicaciones graves como shock cardiogénico, arritmias y fenómenos tromboembólicos, con mortalidad comparable a la de los síndromes coronarios agudos. El diagnóstico requiere integrar clínica, biomarcadores, hallazgos electrocardiográficos y técnicas de imagen avanzadas, en particular ecocardiografía y resonancia magnética cardiaca. El tratamiento es principalmente de soporte y debe adaptarse al fenotipo hemodinámico predominante. Esta revisión resume los avances recientes en epidemiología, fisiopatología, diagnóstico, complicaciones, tratamiento y pronóstico del STT, y destaca las lagunas de evidencia que justifican ensayos clínicos en curso.

Palabras clave:
Síndrome Takotsubo
Miocardiopatía de estrés
Catecolaminas
Shock cardiogénico
Resonancia magnética cardiaca
Tratamiento

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