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  • Weaned but weary: One third of adult intensive care patients mechanically ventilated for 7 days or more have impaired inspiratory muscle endurance after successful weaning

    Author(s)
    Bissett, Bernie
    Anne Leditschke, I.
    Neeman, Teresa
    Boots, Robert
    Paratz, Jenny
    Griffith University Author(s)
    Paratz, Jenny D.
    Year published
    2014
    Metadata
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    Abstract
    Objectives The purpose of this study was to establish whether intensive care unit (ICU) patients have impaired inspiratory muscle (IM) endurance immediately following weaning from prolonged mechanical ventilation (MV), and whether IM weakness is related to function or perceived exertion. Background Impaired IM endurance may hinder recovery from MV, however it is unknown whether this affects patients' function or perceived exertion. Methods Prospective observational study of 43 adult ICU patients following weaning from MV (>7 days duration). IM endurance was measured using the fatigue resistance index (FRI). Results IM ...
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    Objectives The purpose of this study was to establish whether intensive care unit (ICU) patients have impaired inspiratory muscle (IM) endurance immediately following weaning from prolonged mechanical ventilation (MV), and whether IM weakness is related to function or perceived exertion. Background Impaired IM endurance may hinder recovery from MV, however it is unknown whether this affects patients' function or perceived exertion. Methods Prospective observational study of 43 adult ICU patients following weaning from MV (>7 days duration). IM endurance was measured using the fatigue resistance index (FRI). Results IM endurance was impaired (FRI = mean 0.90, SD 0.31), with 37% scoring below 0.80. IM strength did not significantly correlate with function (r = 0.24, p = 0.12) or perceived exertion during exercise (r = -0.146, p = 0.37). Conclusions IM endurance is reduced in one third of patients, while IM weakness does not appear closely associated with function or perceived exertion immediately following successful weaning.
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    Journal Title
    Heart & Lung
    Volume
    44
    Issue
    1
    DOI
    https://doi.org/10.1016/j.hrtlng.2014.10.001
    Subject
    Cardiovascular medicine and haematology
    Cardiovascular medicine and haematology not elsewhere classified
    Nursing
    Nursing not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/154462
    Collection
    • Journal articles

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