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Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
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Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

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[Detection and morphofunctional predictors of left auricular thrombosis in patients with atrial fibrillation]

I V Zotova1, D A Zateĭshchikov, B A Sidorenko

  • 1Presidential Medical Center of Russia; ul. Marshala Timoschenko, 15, 121356 Moscow, Russia.

Kardiologiia
|June 24, 2004
PubMed

Insights

Atrial fibrillation increases stroke risk due to blood clots forming in the heart. Transesophageal echocardiography is key for detecting these clots and guiding anticoagulant therapy in high-risk patients.

Area of Science:

  • Cardiology
  • Medical Imaging

Background:

  • Atrial fibrillation (AF) significantly impacts patient quality of life and survival due to thromboembolic complications.
  • Intracardiac thrombosis, particularly in the left atrial appendage, is the primary cause of these complications.
  • Prevalence of left atrial thrombosis in AF patients ranges from 8% to 24%, with ~90% located in the left auricle.

Purpose of the Study:

  • To review methods for detecting left auricular thrombosis.
  • To describe structural and functional predictors of thrombosis.
  • To discuss modern visualization techniques for these predictors.

Main Methods:

  • Review of existing literature on left auricular thrombosis detection.
  • Focus on echocardiography, especially transesophageal echocardiography (TEE).
  • Assessment of structural and functional predictors using advanced imaging.

Main Results:

  • Transesophageal echocardiography is the leading method for assessing thrombosis predictors.
  • TEE enables functional monitoring of the left atrium during treatment and post-cardioversion.
  • Identification of risk factors is crucial for patient stratification.

Conclusions:

  • Early detection of left auricular thrombosis is vital for preventing thromboembolic events.
  • Transesophageal echocardiography plays a critical role in diagnosis and monitoring.
  • Identifying high-risk patients allows for targeted long-term anticoagulant therapy.

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