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Blood lactate responses of heart failure patients to cardiac rehabilitation exercise
Marriott, Helen
Marriott, Helen
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2014-09
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dissertation
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Abstract
This review paper looks at blood lactate responses of heart failure (HF) patients
during exercise, in comparison to healthy individuals and following exercise training.
HF patients exhibit significantly higher lactate levels compared to healthy controls during sub‐maximal exercise at the same workloads. Exercise training can significantly reduce these lactate levels at matched sub‐maximal workloads in HF patients. Resting lactate levels in HF patients are generally no different to healthy individuals, but patients with lower functional capacity due to more advanced HF may exhibit higher levels. There is no evidence of resting lactate levels being reduced following exercise training. Lactate levels at peak exercise capacity are significantly lower in HF patients
compared to healthy individuals. No significant differences in peak lactate levels have been noted following endurance exercise training, although significant increases in peak lactate have been seen following a combined endurance/resistance exercise programme. Although there is lots of published data on blood lactate levels during laboratory‐based exercising testing in this patient group, to date there appears to be no published data of blood lactate levels in HF patients in an applied setting, i.e. during cardiac rehabilitation exercise sessions.
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University of Chester
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Thesis or dissertation
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en