BACKGROUND/AIMS: Advanced age and female sex are associated with increased myocardial stiffness, even in the absence of cardiovascular disease. Left ventricular (LV) hypertrophy and left atrial (LA) enlargement are typical findings in patients with LV diastolic dysfunction (DD). Because DD has been described in asymptomatic subjects, its clinical impact remains controversial. It has previously been hypothesized that mild DD has no clinical impact when natriuretic peptide levels are normal. The present study aimed to determine the impact of LA volume and LV mass on DD in elderly women. METHODS AND RESULTS: A cross-sectional survey was used to investigate a cohort of 311 randomly selected, nonhospitalized elderly women (mean [± SD] age 74.3±2.9 years). Examination comprised quality of life, measurement of brain natriuretic peptide (BNP) levels and echocardiography. The prevalences of different degrees of DD were as follows: mild 47.9% (n=149), moderate 36.7% (n=114) and severe 4.8% (n=15). Compared with normal diastolic function, moderate and severe DD were associated with higher BNP levels (P=0.038 and P<0.001, respectively) and elevated indexes of LA volume (LAVI) (P=0.007 and P<0.001, respectively) and LV mass (LVMI) (P=0.074 and P=0.017, respectively). Participants with normal diastolic function and mild DD had no significant differences in quality of life, BNP levels, LAVI or LVMI. CONCLUSION: Mild DD is common in elderly women and is not associated with increased BNP levels or poor quality of life. Compared with individuals with moderate and severe DD, LAVI and LVMI are normal in patients with mild DD.
BACKGROUND/AIMS: Advanced age and female sex are associated with increased myocardial stiffness, even in the absence of cardiovascular disease. Left ventricular (LV) hypertrophy and left atrial (LA) enlargement are typical findings in patients with LV diastolic dysfunction (DD). Because DD has been described in asymptomatic subjects, its clinical impact remains controversial. It has previously been hypothesized that mild DD has no clinical impact when natriuretic peptide levels are normal. The present study aimed to determine the impact of LA volume and LV mass on DD in elderly women. METHODS AND RESULTS: A cross-sectional survey was used to investigate a cohort of 311 randomly selected, nonhospitalized elderly women (mean [± SD] age 74.3±2.9 years). Examination comprised quality of life, measurement of brain natriuretic peptide (BNP) levels and echocardiography. The prevalences of different degrees of DD were as follows: mild 47.9% (n=149), moderate 36.7% (n=114) and severe 4.8% (n=15). Compared with normal diastolic function, moderate and severe DD were associated with higher BNP levels (P=0.038 and P<0.001, respectively) and elevated indexes of LA volume (LAVI) (P=0.007 and P<0.001, respectively) and LV mass (LVMI) (P=0.074 and P=0.017, respectively). Participants with normal diastolic function and mild DD had no significant differences in quality of life, BNP levels, LAVI or LVMI. CONCLUSION: Mild DD is common in elderly women and is not associated with increased BNP levels or poor quality of life. Compared with individuals with moderate and severe DD, LAVI and LVMI are normal in patients with mild DD.
Entities:
Keywords:
Diastolic dysfunction; Elderly women; Left atrial volume; Left ventricular mass
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