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Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
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A novel echocardiographic marker in hypertensive patients: is diastolic dysfunction associated with atrial

Bunyamin Yavuz1, Ali Deniz, Derun Taner Ertugrul

  • 1Department of Cardiology, Kecioren Teaching and Research Hospital, Ankara, Turkey. byavuzmd@gmail.com

Journal of Clinical Hypertension (Greenwich, Conn.)
|October 2, 2010
PubMed

Insights

Hypertension patients with diastolic dysfunction show prolonged atrial electromechanical delay (AEMD). This suggests diastolic dysfunction is linked to atrial abnormalities, potentially increasing atrial fibrillation risk in hypertensive individuals.

Area of Science:

  • Cardiology
  • Hypertension Research
  • Electrophysiology

Background:

  • Atrial arrhythmias are frequent in hypertensive patients.
  • Atrial electromechanical delay (AEMD) is an indicator for atrial arrhythmia development.

Purpose of the Study:

  • To evaluate inter- and intra-atrial electromechanical delay (AEMD) in hypertensive patients.
  • To assess the association between diastolic dysfunction and AEMD in hypertension.

Main Methods:

  • Doppler tissue imaging was used to measure inter-AEMD and intra-left AEMD.
  • The study included 200 hypertensive patients and 151 normotensive controls.

Main Results:

  • Inter-AEMD was significantly higher in hypertensive patients with diastolic dysfunction (59 ms) compared to those without (42 ms) and controls (46 ms).
  • Diastolic dysfunction was present in 36% of hypertensive patients.

Conclusions:

  • Inter-atrial electromechanical delay (AEMD) is prolonged in hypertensive patients with diastolic dysfunction.
  • Diastolic dysfunction may be associated with atrial electromechanical abnormalities, potentially contributing to atrial fibrillation in hypertension.

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