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Evidence for brain activation in patients with takotsubo cardiomyopathy

Hideaki Suzuki1, Yasuharu Matsumoto, Tomohiro Kaneta

  • 1Department of Cardiovascular Medicine, Tohoku University Graduate School of Medicine.

Circulation Journal : Official Journal of the Japanese Circulation Society
|November 29, 2013
PubMed

Insights

Takotsubo cardiomyopathy alters brain activity, with increased cerebral blood flow (CBF) in key areas during the acute phase. These changes in brain function normalize as cardiac function recovers.

Area of Science:

  • Neuroscience
  • Cardiology
  • Medical Imaging

Background:

  • Takotsubo cardiomyopathy (TTC) is a stress-induced cardiac condition.
  • The impact of TTC on brain activity remains largely unknown.

Purpose of the Study:

  • To investigate alterations in brain activity in patients with takotsubo cardiomyopathy.
  • To determine if cerebral blood flow (CBF) changes correlate with the cardiac condition.

Main Methods:

  • Cerebral blood flow (CBF) was measured using 99mTc ethyl cysteinate dimmer single photon-emission computed tomography (SPECT).
  • Measurements were taken in 3 consecutive takotsubo cardiomyopathy patients during acute and chronic phases.

Main Results:

  • In the acute phase, patients showed significantly increased CBF in the hippocampus, brainstem, and basal ganglia.
  • A significant decrease in CBF was observed in the prefrontal cortex during the acute phase.
  • These CBF alterations subsided in the chronic phase, coinciding with full recovery of cardiac wall motion.

Conclusions:

  • This study presents the first direct evidence of brain activation in takotsubo cardiomyopathy.
  • Findings suggest a neurobiological link between cardiac stress and brain function in TTC.
Abstract

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