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Assessment of Cardiac Morphological and Functional Changes in Mouse Model of Transverse Aortic Constriction by Echocardiographic Imaging
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Echocardiographic assessment of takotsubo cardiomyopathy: beyond apical ballooning

Hiroyuki Okura1

  • 1First Department of Internal Medicine, Nara Medical University, 840 Shijo, Kashihara, Nara, 634-8522, Japan. hokura@fides.dti.ne.jp.

Journal of Echocardiography
|December 24, 2015
PubMed

Insights

Echocardiography is crucial for diagnosing takotsubo cardiomyopathy (TC), revealing diverse wall motion abnormalities beyond apical ballooning. This imaging technique also detects TC complications and aids in differentiating it from other cardiac conditions.

Area of Science:

  • Cardiology
  • Diagnostic Imaging

Background:

  • Takotsubo cardiomyopathy (TC) has been recognized for over 25 years.
  • Echocardiography has evolved beyond detecting apical ballooning in TC.
  • Left ventriculography was the initial method for visualizing TC's characteristic wall motion abnormalities.

Purpose of the Study:

  • To highlight the expanded role of echocardiography in diagnosing takotsubo cardiomyopathy.
  • To emphasize echocardiography's utility in identifying diverse findings beyond apical ballooning.
  • To showcase echocardiography's capability in detecting TC complications and differentiating it from other conditions.

Main Methods:

  • Echocardiography for assessing left ventricular (LV) wall motion abnormalities, including mid-ventricular patterns.
  • Evaluation of echocardiographic findings for differentiating TC from acute coronary syndrome and myocarditis.
  • Assessment of complications like mitral regurgitation, LV thrombus, and right ventricular (RV) involvement using echocardiography.

Main Results:

  • Apical ballooning is not a mandatory diagnostic feature of TC; mid-ventricular asynergy is a common pattern.
  • Echocardiography effectively visualizes the distribution and temporal course of LV asynergy.
  • Right ventricular involvement is a frequent finding in TC, correlating with poorer prognosis.

Conclusions:

  • Echocardiography is indispensable for detecting various dynamic findings in TC, extending beyond apical ballooning.
  • This modality provides critical information for differential diagnosis and complication detection in TC.
  • Advanced echocardiographic techniques may offer further insights into TC pathophysiology and prognosis.

Keywords:
EchocardiographyLeft ventricular outflow obstructionLeft ventricular thrombusMitral regurgitationSAMTakotsubo cardiomyopathy

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