ISSN 2149-2263 | E-ISSN 2149-2271
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Cardiac valve evaluation and adipokine levels in obese women treated with sibutramine [Anatol J Cardiol]
Anatol J Cardiol. 2010; 10(3): 226-232 | DOI: 10.5152/akd.2010.062

Cardiac valve evaluation and adipokine levels in obese women treated with sibutramine

Sefa Saraç1, Fulden Saraç2
1Department of Cardiology, Sada Hospital, İzmir
2Department of Endocrinology and Metabolism, Faculty of Medicine, Ege University, Izmir, Turkey

Objective: The aims of present study were 1) to evaluate cardiac valve characteristics, 2) to determine the plasma concentrations of fibrinogen, high sensitivity C-reactive protein (hsCRP), adiponectin, and tumor necrosis factor-α (TNF-α) in the obese women before and after 19 months sibutramine treatment in the obese women. Methods: Sixty obese women were enrolled in this prospective, randomized study. Thirty women received 10 mg once daily dose of sibutramine for 19 months. The rest of the obese women received 15 mg once daily dose of sibutramine for 19 months. All patients were evaluated with echocardiography. Plasma levels of adiponectin and TNF-α were measured by enzyme-linked immunosorbent assay (ELISA) and hsCRP by immunoturbimetric assay. Student paired and unpaired t tests were used to compare the 10 mg or 15 mg dose sibutramine effects either in groups or between the groups. Results: There were no signs of significant regurgitation or thickening of the mitral and aortic valves on echocardiographic evaluation performed after 19 months of treatment. Parameters of systolic function after 10 or 15 mg treatment were not different from pretreatment characteristics. Minimal tricuspid regurgitation was found in one (1/27) patient treated with 10 mg sibutramine after 19 months. Among obese patients treated with 15 mg sibutramine one patient (1/28) had minimal mitral valve regurgitation and 2 patients (2/28) had minimal aortic insufficiency. Stage II diastolic dysfunction in the 15 obese treated with 15 mg regressed to stage I diastolic dysfunction (50%). Stage II diastolic dysfunction in the 10 obese treated with 10 mg regressed to stage I diastolic dysfunction (33.3%). Mean levels of TNF-α(p=0.04), fibrinogen (p=0.03) and hsCRP (p=0.04)i decreased and adiponectin (p=0.03) levels increased in the obese treated with 10 mg sibutramine. Likewise, in the patients treated with 15 mg sibutramine, mean levels of TNF-α(p=0.01), fibrinogen (p= 0.02), and hsCRP (p= 0.04) decreased and adiponectin (p= 0.02) levels increased. Conclusion: Nineteen months of sibutramine treatment does not affect heart valve and systolic functions, however, diastolic dysfunction severity reduced with sibutramine treatment. Also In addition, mean levels of adiponectin, TNF- α, fibrinogen and hs- CRP change with 19 months sibutramine treatment.

Keywords: Sibutramine, echocardiography, cardiac valve, adipokine, obesity

Sefa Saraç, Fulden Saraç. Cardiac valve evaluation and adipokine levels in obese women treated with sibutramine. Anatol J Cardiol. 2010; 10(3): 226-232
Manuscript Language: English


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