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Assessment of Cardiac Morphological and Functional Changes in Mouse Model of Transverse Aortic Constriction by Echocardiographic Imaging
09:05

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Published on: June 21, 2016

Multidisciplinary assessment of tako tsubo cardiomyopathy: a prospective case study

Micael Waldenborg1, Mona Soholat, Anders Kähäri

  • 1Department of Clinical Physiology, Örebro University Hospital, Örebro, Sweden.

BMC Cardiovascular Disorders
|April 12, 2011
PubMed

Insights

Tako-tsubo cardiomyopathy patients show altered cardiac autonomic function and high rates of posttraumatic stress syndrome. These findings suggest potential links but do not establish causation.

Area of Science:

  • Cardiology
  • Psychosomatic Medicine
  • Autonomic Neuroscience

Background:

  • The exact cause of tako-tsubo cardiomyopathy (TTC) remains elusive.
  • A multidisciplinary approach is needed to identify potential common pathophysiological denominators.

Purpose of the Study:

  • To investigate cardiac autonomic function and psychological factors in patients with TTC.
  • To explore potential links between TTC, autonomic dysfunction, and posttraumatic stress.

Main Methods:

  • Evaluated 13 TTC patients within 3 days of symptom onset and at 3-month follow-up.
  • Assessed left ventricular function (echocardiography, cardiac MRI), cardiac autonomic function (heart rate variability, signal-averaged ECG), and psychological status (PTSS-10, MADRS-S).

Main Results:

  • Patients exhibited moderate reduction in ejection fraction acutely, normalizing at follow-up.
  • Significant alterations in heart rate variability (SDNN, SDANN) and signal-averaged ECG (QRS duration) were observed in the acute phase.
  • A high incidence of borderline or definite posttraumatic stress syndrome was noted, with an inverse correlation between PTSS-10 scores and QRS duration.

Conclusions:

  • Tako-tsubo cardiomyopathy patients present with impaired cardiac autonomic function and elevated rates of posttraumatic stress syndrome.
  • Findings are comparable to those in myocardial infarction patients, but do not confirm causality.
  • Further research is warranted to elucidate the complex interplay of factors in TTC pathogenesis.
Abstract

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