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[Atrial fibrillation].

S Longo1, S Kraiem, H Slimane

  • 1Service de cardiologie, Hôpital Habib Thameur, Montfleury, Tunis, Tunisie.

La Tunisie Medicale
|March 15, 2002
PubMed
Summary
This summary is machine-generated.

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Transesophageal echocardiography (TOE) screens for cardiac thrombus in atrial fibrillation patients before cardioversion. A peak systolic velocity over 0.25 m/s predicts maintaining sinus rhythm post-procedure.

Area of Science:

  • Cardiology
  • Echocardiography

Background:

  • Atrial fibrillation (AF) poses a risk of cardiac thrombus formation.
  • Transesophageal echocardiography (TOE) is crucial for detecting thrombi before cardioversion.
  • Predicting the maintenance of sinus rhythm after cardioversion is clinically significant.

Purpose of the Study:

  • To establish indications for TOE in AF patients undergoing cardioversion.
  • To identify echographic predictors for maintaining sinus rhythm post-cardioversion.

Main Methods:

  • Prospective screening of 40 AF patients undergoing cardioversion.
  • Pre-procedure transthoracic and transesophageal echocardiography to assess for atrial thrombus.
  • Follow-up at one, three, and six months to evaluate rhythm status.

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Main Results:

  • All 40 patients successfully underwent cardioversion.
  • A peak systolic velocity > 0.25 m/s was the sole echographic predictor of sustained sinus rhythm.
  • 28 patients maintained sinus rhythm, while 12 reverted to AF.

Conclusions:

  • Peak systolic velocity measured by echocardiography is a key predictor of successful cardioversion outcomes in AF patients.
  • This finding aids in the echographic prognosis for maintaining sinus rhythm after AF cardioversion.