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Arquivos Brasileiros de Cardiologia

versión impresa ISSN 0066-782Xversión On-line ISSN 1678-4170


HERSZKOWICZ, Nathan et al. Contribution of Doppler echocardiography to the evaluation of systolic and diastolic function of obese women versus a control group. Arq. Bras. Cardiol. [online]. 2001, vol.76, n.3, pp.193-196. ISSN 0066-782X.

OBJECTIVE: To study by doppler echocardiography the cardiac systolic and diastolic functions of health, uncomplicated obese subjects. METHODS: Fifty-nine obese women with an average body mass index (BMI) of 35 kg/m2 were evaluated and compared with 19 subjects with an average BMI of 23 kg/m2 (control group). RESULTS: In the obese group, a clear tendency was observed toward higher systolic pressure, increased wall thickness and, consequently, myocardial mass, elevation on the circumference stress of the left ventricular wall, and an indisputable presence of diastolic abnormalities. Filling abnormalities were observed with impaired relaxation, with prolonged isovolumic relaxation time (IVRT) and augmented atrium contribution representing early indexes of cardiac dysfunction when systolic performance is still normal. CONCLUSION: Obesity is generally a chronic condition, and doppler echocardiography can be used as a noninvasive instrument for early evaluation of left ventricular diastolic indexes.

Palabras clave : obesity; echocardiography; cardiopathy.

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