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The Central Role of Left Atrium in Heart Failure

Myriam Carpenito1, Diego Fanti2, Simona Mega1

  • 1Unit of Cardiac Sciences, Department of Medicine, Campus Bio-Medico University of Rome, Rome, Italy.

Frontiers in Cardiovascular Medicine
|September 6, 2021
PubMed

Insights

The left atrium (LA) plays a crucial role in heart failure, impacting symptoms and prognosis. Understanding LA function is vital for developing new therapeutic targets in cardiovascular medicine.

Area of Science:

  • Cardiovascular Medicine
  • Cardiac Physiology
  • Heart Failure Pathophysiology

Background:

  • Historically, cardiovascular medicine focused primarily on the left ventricle, overlooking the left atrium's (LA) significance.
  • Advances in cardiovascular imaging reveal the left atrium's complex anatomy, physiology, and pathology.
  • The left atrium's mechanical and neuro-hormonal functions are increasingly recognized in various cardiovascular diseases.

Purpose of the Study:

  • To review the current understanding of the left atrium's role in heart failure.
  • To describe the structure and function of the left atrium in the context of heart failure.
  • To summarize the left atrium's impact on heart failure symptoms, prognosis, and its potential as a therapeutic target.

Main Methods:

  • Review of current scientific literature on left atrial structure and function in heart failure.
  • Synthesis of information regarding the left atrium's contribution to cardiovascular disease.
  • Analysis of the left atrium's role in determining symptoms and prognosis in heart failure patients.

Main Results:

  • The left atrium is not merely a passive chamber but an active contributor to cardiac function.
  • Left atrial abnormalities are implicated in the progression and manifestation of heart failure.
  • The left atrium influences heart failure symptoms and patient outcomes.

Conclusions:

  • The left atrium is a critical determinant of symptoms and prognosis in heart failure.
  • Further research into the left atrium's role may uncover novel therapeutic strategies for heart failure.
  • A comprehensive understanding of left atrial function is essential for managing heart failure patients.

Keywords:
cardiovascular diseaseheart failureleft atrial functionleft atrial strainleft atriumspeckle-tracking echocardiography

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