Takotsubo Cardiomyopathy

Patients presenting with ischemic ECG changes, troponin elevation, acute chest pain, dyspnea, or new regional LV dysfunction should enter an ACS pathway rather than receive a presumptive stress-cardiomyopathy diagnosis. Initial management includes antiplatelet therapy, anticoagulation, vasodilators when hemodynamically appropriate, continuous ECG monitoring, and urgent coronary angiography when ACS remains a concern. BMJBMJEvaluation and management of chest pain from cardiovascular ...

Obtain 12-lead ECG, serial troponin, natriuretic peptide measurement, and transthoracic echocardiography early, but do not use discordance between a modest troponin rise and extensive wall-motion abnormality to defer angiography. Troponin is elevated in approximately 92% of takotsubo presentations, and admission LVEF is reduced in most affected patients; neither finding distinguishes the syndrome reliably from ACS. BMJ+1BMJEvaluation and management of chest pain from cardiovascular ...NEJMClinical Features and Outcomes of Takotsubo (Stress) Cardiomyopathy | New England Journal of Medicine

Ask specifically about an acute emotional event, physical illness or procedure, acute neurologic disease, and psychiatric history. These increase diagnostic probability but are not diagnostic criteria; approximately one-quarter of registry presentations followed an emotional trigger, more than one-third followed a physical trigger, and the remainder had no identified trigger. BMJ+1BMJThe Natural History of Takotsubo Cardiomyopathy - HeartWolters KluwerTension pneumothorax-induced Takotsubo syndrome: A case... : Medicine

The central imaging discriminator is regional LV dysfunction that usually extends beyond a single epicardial coronary distribution. Typical apical ballooning is not the only phenotype; mid-ventricular and other atypical patterns occur. If the abnormality is restricted to one coronary territory, reconsider plaque rupture, spontaneous recanalization, embolic infarction, or spontaneous coronary artery dissection rather than assigning the diagnosis solely on the basis of unobstructed angiography. Nature+1NatureImportant role of myocardial tissue characterization by cardiac MRI in diagnosing Takotsubo syndrome | Nature Reviews CardiologyNatureUse of cardiac MRI to diagnose Takotsubo syndrome | Nature Reviews Cardiology

Review angiographic anatomy against the wall-motion distribution before finalizing the diagnosis. When a focal wall-motion abnormality corresponds to a single coronary bed and no angiographic culprit is evident, IVUS or optical coherence tomography should be considered where available to evaluate an occult coronary lesion. NatureNatureUse of cardiac MRI to diagnose Takotsubo syndrome | Nature Reviews Cardiology

Use cardiac MRI when angiography shows no culprit lesion or when myocarditis, infarction, infiltrative disease, or an atypical ventricular pattern remains plausible. MRI can identify myocardial edema in the dysfunctional region, assess the distribution of late gadolinium enhancement, and diagnose alternative causes of troponin-positive ACS presentations with nonobstructive coronaries. Nature+2NatureImportant role of myocardial tissue characterization by cardiac MRI in diagnosing Takotsubo syndrome | Nature Reviews CardiologyNatureUse of cardiac MRI to diagnose Takotsubo syndrome | Nature Reviews CardiologyScienceDirectPrognostic Value of Cardiac Magnetic Resonance Imaging in Acute Coronary Syndrome Patients With Troponin Elevation and Nonobstructive Coronary Arteries - ScienceDirect

For cardiogenic shock or acute pulmonary edema, obtain urgent echocardiography to assess LVEF, right-ventricular involvement, and dynamic LVOT obstruction. In takotsubo-associated shock with LVOT obstruction, inotropes, diuretics, and nitroglycerin are contraindicated because they may worsen the obstruction; management instead requires an obstruction-directed strategy. BMJBMJEvaluation and management of chest pain from cardiovascular ...

A published STEMI-mimic case with takotsubo and LVOT obstruction reported improved blood pressure after beta-blocker and phenylephrine administration, illustrating the rationale for reducing dynamic obstruction while supporting afterload. Apply this approach only with bedside hemodynamic and echocardiographic assessment, because the evidence is case-based and shock mechanisms vary. BMJ+1BMJTakotsubo cardiomyopathy with LVOT obstruction in a case of STEMIBMJEvaluation and management of chest pain from cardiovascular ...

Without LVOT obstruction, manage acute ventricular dysfunction and congestion according to the hemodynamic phenotype after ACS and mechanical complications have been evaluated. Continue continuous ECG monitoring during the acute phase because the syndrome presents with ECG abnormalities and can have serious in-hospital complications comparable to those seen in ACS cohorts. BMJ+2BMJEvaluation and management of chest pain from cardiovascular ...BMJThe Natural History of Takotsubo Cardiomyopathy - HeartWolters KluwerTension pneumothorax-induced Takotsubo syndrome: A case... : Medicine

Arrange follow-up transthoracic echocardiography to document recovery of LV systolic function and resolution of the acute regional wall-motion abnormality. Complete recovery of LVEF typically occurs within weeks, but recovery should be demonstrated rather than presumed, especially after severe initial dysfunction or an atypical pattern. ScienceDirectScienceDirectTakotsubo Cardiomyopathy - an overview | ScienceDirect Topics

Counsel patients that takotsubo is not uniformly benign. In a 1,750-patient international registry analysis, cardiogenic shock and in-hospital death were similar to rates in matched ACS patients; subsequent major adverse events occurred at 9.9% per patient-year, death at 5.6% per patient-year, and recurrence at 1.8% per patient-year. BMJBMJThe Natural History of Takotsubo Cardiomyopathy - Heart

Long-term pharmacotherapy remains uncertain. Observational registry analysis associated ACE inhibitor or ARB treatment with improved prognosis, whereas beta-blocker treatment showed no prognostic association; these findings should not be interpreted as randomized evidence of recurrence prevention. BMJBMJThe Natural History of Takotsubo Cardiomyopathy - Heart