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Inspiratory muscle load and capacity in chronic heart failure
  1. N Hart,
  2. M T Kearney,
  3. N B Pride,
  4. M Green,
  5. F Lofaso,
  6. A M Shah,
  7. J Moxham,
  8. M I Polkey

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Background: Although breathlessness is common in chronic heart failure (CHF), the role of inspiratory muscle dysfunction remains unclear. We hypothesised that inspiratory muscle endurance, expressed as a function of endurance time (Tlim) adjusted for inspiratory muscle load and inspiratory muscle capacity, would be reduced in CHF.

Methods: Endurance was measured in 10 healthy controls and 10 patients …

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