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Elevated plasma levels of proinflammatory cytokines have been reported in patients with congestive heart failure. The purpose of this study was to assess whether cytokines improve risk stratification in a homogeneous group of NYHA class III patients with a left ventricular ejection fraction &lt;40%.

Do cytokines enable risk stratification to be improved in NYHA functional class III patients?. Comparison with other potential predictors of prognosis