Background
Patients with a nighttime blood pressure (BP) reduction of less than 10% of daytime BP defined as non-dipper hypertensives and these patients are associated with an increase in cardiovascular adverse events. The left atrial (LA) size and function are prognostic factors in a variety of cardiovascular diseases. This study was designed to evaluate the effect of dipper and non-dipper BP pattern on LA volume and functions by using real-time three-dimensional echocardiography (RT3DE).
Methods
Forty dipper (18 male and 22 female, mean age: 52.9 ± 10.6) and 52 non-dipper (24 male and 28 female, mean age: 54.1 ± 8.7) hypertensive subjects enrolled in the study. All patients were evaluated comprehensively by two-dimensional echocardiography, and RT3DE was performed to assess LA volumes and functions.
Methods
Forty dipper (18 male and 22 female, mean age: 52.9 ± 10.6) and 52 non-dipper (24 male and 28 female, mean age: 54.1 ± 8.7) hypertensive subjects enrolled in the study. All patients were evaluated comprehensively by two-dimensional echocardiography, and RT3DE was performed to assess LA volumes and functions.
Results
LA minimal volume, LA volume before LA contraction and LA total systolic volume were significanty higher in non-dippers when compared with dippers (p<0.001, p=0.003 and p=0.03, respectively).
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