breathing muscle weakness diaphragm fatigue
Conditions
Interventions
None listed
Sponsors
Universitair Medisch Centrum Sint Radboud
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: - age > 18 year - informed consent - body mass index
Exclusion criteria
Exclusion criteria: - pre-existent muscle disease (congenital or acquired) or diseases / disorders know to be associated with myopathy including diabetes and auto-immune diseases - pre-existent lung disease - upper airway / esophageal pathology - recent (
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Changes in sonographic muscle deformation and velocity (i.e. strain and strain rate) during inspiratory loading. | — |
Secondary
| Measure | Time frame |
|---|---|
| - sonographic fractional thickening of the diaphragm during inspiratory loading - peak activity of diaphragm electromyography during inspiratory loading - center frequency of diaphragm electromyography during inspiratory loading - transdiaphragmatic pressure during inspiratory loading - transdiaphragmatic twitch pressure before/after inspiratory loading - tidal volume / minute ventilation during inspiratory loading | — |
Countries
Netherlands
Outcome results
None listed