• Rodrigo Antonini Ribeiro, Luis Eduardo Paim Rohde, and Carisi Anne Polanczyk.
• Universidade Federal do Rio Grande do Sul, Porto Alegre, RS. rodrigoantonini@yahoo.com.br
• Arq. Bras. Cardiol. 2010 Aug 1;95(2):230-7.

BackgroundCongestive heart failure (CHF) is a rather prevalent condition with a high mortality rate. Levosimendan is one among the new drugs that have been tested for its management.ObjectiveTo undertake a systematic review and meta-analysis of the morbidity and mortality reduction associated with levosimendan in the treatment of CHF.MethodsA bibliographic search was conducted in the Medline database for all randomized controlled trials (RCTs) that assessed the use of levosimendan in CHF. The outcomes were death from all causes, length of hospital stay, and hospital readmission for CHF. All RCTs with outcomes of interest were included. Methodological quality criteria, such as blinding and confidentiality of the list of allocation, were evaluated in sensitivity analysis. The main calculation was done with random effects.ResultsOf the 179 articles identified, 48 were RCTs, 19 of them with outcomes of interest. In the comparison with placebo (7 trials, 1,652 patients), the relative risk (RR) for overall death was 0.87 (95% confidence interval [CI]: 0.65 to 1.18). In comparison with dobutamine (10 trials, 2,067 patients), the RR was 0.87 (95% CI: 0.75-1.02). Three studies had data on length of stay, in which levosimendan showed a decrease of 2.27 and 2.30 days compared to placebo and dobutamine, respectively (p < 0.05 for both). No article presented data on readmission alone.ConclusionThe evidence available so far has shown no benefit in terms of mortality in association with the use of levosimendan, which only showed a small benefit in the time of hospitalization.

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