J Korean Soc Echocardiogr.  1995 Dec;3(2):179-187. 10.4250/jkse.1995.3.2.179.

Left Atrial Size in Hypertensive Patients with Atrial Fibrillation

  • 1Department of Internal Medicine, Dongguk University Kyungju Hospital, Kyungju, Korea.
  • 2Department of Internal Medicine, Kyungpook National University Hospital, Kyungpook, Korea.


As atrial fibrillation occurs in the patients with hypertensive heart disease, the functional abnormalities of heart become more severe and the risk of systemic and cerebral embolization increases. In this study we checked left atrial dimension and other parameters with echocardiography in hypertensive patients with atrial fibrillation.
In an attempt to define the difference in left atrial dimension and the relation between left atrial size and various echocardiographic parameters, M-mode echocardiography was used to study 63 hypertensive patients, 33 patients with atrial fibrillation, and 30 patients with sinus rhythm.
The mean left atrial dimension was 51.7±8.7mm in hypertensive patients with atrial fibrillation versus 39.3±8.4mm in hypertensive patients with sinus rhythm(p < 0.001). In hypertensive patients with atrial fibrillation left atrial dimension was over 50mm in 82%(27 of 33). Left atrial size had positive correlations with end-systolic and -diastolic internal dimension of left ventricle(LV), LV mass and E-point septal separation, and negative correlations with fractional shortening and ejection fraction of LV.
The echocardiographic measurement of left atrial dimension in patients with hypertension was useful in evaluating the hypertensive heart disease.


Left atrial size; Hypertension; Atrialfibrillation

MeSH Terms

Atrial Fibrillation*
Heart Diseases


  • Fig. 1. Frequencies of atrial fibrillation(AF) and sinus rhythm(SR) in hypertensive patients(HT) according to left atrial dimension.

  • Fig. 2. Correlation between left ventricular end systolic dimension(LVIDs) and left atrial dimension(LAD).

  • Fig. 3. Correlation between left ventricular end diastolic dimension(LVIDd) and left atrial dimension(LAD).

  • Fig. 4. Correlation between fractional shortening and left atrial dimension.

  • Fig. 5. Correlation between ejection fraction and left artial dimension.



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