Decrease in leptin production by the adipose tissue in obesity associated with severe metabolic syndrome.

Objective: To evaluate the associations between leptinemia and the components of metabolic syndrome (MetS).

Methods: Fifty-one obese adults (9 men; 36.7 +/- 10.

Evolutive echocardiographic study of the structural and functional heart alterations in obese individuals after bariatric surgery.

Objective: To evaluate with Doppler echocardiography the reversibility of structural and hemodynamic changes in obeses after bariatric surgery.

Methods: Twenty-three patients (19 women = 82.6%) were studied.

Butyrylcholinesterase activity and metabolic syndrome in obese patients.

Total butyrylcholinesterase activity (EC 3.1.1.