Influence of sibutramine on heart rate in obese patients: systematic review

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Hernani Pinto Lemos Junior
André Luis Alves de Lemos
Álvaro Nagib Atallah

Resumo

Cardiovascular alterations are part of the obesity-related metabolic syndrome. The objective of this study was to verify the effect of sibutramine on obese patients heart rate. Systematic review of randomized clinical trials performed in the Brazilian Cochrane center, in obese patients, on use of sibutramine or placebo. Outcome: change in heart rate. Electronic database searched: Cochrane library, Medline, LILACS, Pubmed. There were no language, date, or other restrictions. Two reviewers made data collection and extraction, who independently obtained full articles of all eligible papers. Four studies provided dichotomous data for a meta-analysis, the outcome of which was favorable to placebo: relative risk (RR) 3.73, confidence interval (CI) 2.07 to 6.73, risk difference (RD) of 0.13, number needed to harm (NNH) of 7. Ten studies presented continuous data for a meta-analysis, the result of which was favorable to placebo: mean difference (MD) of 7.24, CI of 6.22-8.26. The use of sibutramine in obese patients significantly affects the heart rate.

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