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SUMMARYHeart rate recovery is the difference in heart rate at peak exercise and at a specific time interval following the onset of recovery. Attenuated heart rate recovery is an independent predictor of mortality in patients with a history of coronary artery disease. The aim of the present study was to evaluate the effect of a statin on heart rate recovery, particularly in patients with ischemic heart failure and hyperlipidemia. Twenty-nine consecutive hyperlipidemic, stable coronary artery disease patients with heart failure and 19 healthy subjects were enrolled. Heart rate recovery values at the 1st and 3rd minutes and lipid profiles of the patients were evaluated at baseline and following 3 months of treatment with fluvastatin. Compared with healthy subjects, the heart rate recovery values were significantly lower in the heart failure patients in both the 1st and 3rd minutes, respectively (31 ± 6 versus 19 ± 7, P < 0.0001; 66 ± 7 versus 47 ± 8, P < 0.0001). Heart rate recovery in the 1st and 3rd minutes increased from 19 ± 7 to 24 ± 9 and 47 ± 8 to 57 ± 11, respectively, following treatment (P < 0.001, P < 0.001). There were no significant correlations among the changes in lipid parameters or HRR in the first and third minutes in the recovery period. The results revealed an improvement in heart rate recovery in heart failure patients by fluvastatin treatment. If this association can be confirmed by other studies, it would be interesting to perform further studies into the mechanism underlying this finding. (Int Heart J 2005; 46: 845-854)

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Background: Depression has been found to be a predictor of rehospitalization and mortality in heart failure (HF). Parathyroid hormone (PTH) is a novel promising biomarker that can predict hospitalization, functional status and mortality in HF.

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