Nasal inspiratory pressure: An alternative for the assessment of inspiratory muscle strength?

  • Martínez-Llorens J
  • Ausín P
  • Roig A
 et al. 
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Introduction: The strength of inspiratory muscles is assessed thorough the determination of the static mouth pressure (MIP). However, since this manoeuvre has some problems, alternative techniques have been developed in the last few years. One of the most promising is determination of sniff nasal inspiratory pressure (SNIP). Aim: To evaluate SNIP assessment as an alternative for the evaluation of the maximal inspiratory muscle strength. Methods: Subjects were consecutively included and assigned to one of three different groups: control (8), COPD patients (23) and patients with neuromuscular disorders (21). Different maximal inspiratory pressures were determined: (a) dynamic at the esophagus (sniffPesmáx, reference variable), (b) MIP, and (c) SNIP. Results: Both SNIP and MIP showed an excellent correlation with the reference variable, sniffPesmáx (r=0.835 and 0.752, respectively, P

Author-supplied keywords

  • COPD
  • Inspiratory muscle strength
  • Maximal inspiratory pressure
  • Neuromuscular disorders

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  • Juana Martínez-Llorens

  • Pilar Ausín

  • Angela Roig

  • Ana Balañá

  • Mireia Admetlló

  • Laura Muñoz

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