Critically ill patients receiving prolonged periods of mechanical ventilation Respiratory Critically ill patients receiving prolonged periods of mechanical ventilation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. The target population is critically ill patients expected to receive prolonged mechanical ventilation (MV) 2. 18 years or older, male and female 3. Expected to receive MV for > 72 hour
Exclusion criteria
Exclusion criteria: 1. Body mass index 35kg/m² 2. Pre-existing neuromuscular conditions affecting peripheral nervous system 3. Pacemaker or implanted cardiac defibrillator 4. Skin lesions making electrode placement impossible 5. Current upper and/ or lower limb fractures 6. Current pregnancy 7. Unable to walk or perform transfers prior to acute illness 8. Chronic renal disease 9. Chronic liver failure (Child Pugh score >3) 10. Irreversible disease with 10mg 12. Uncontrolled / difficult to control epilepsy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Ultrasound quadriceps muscle layer thickness; Timepoint(s): Baseline, study days 4,7 and every 3 days, ICU discharge, hospital discharge | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. US (composite score: mid thigh, forearm and upper arm; rectus femoris cross sectional area ) 2. Manual muscle Testing individual and composite muscle strength scores 3. Handgrip strength 4. Hand held dynamometry limb muscle strength 5. Barthel Index (BI) physical function score 6. Six-minute walk test 7. SF-36 (v2) health related quality of life questionnaire 8. Surrogate muscle biomarkers (serum c-reactive protein (CRP), plasma creatine kinase (PCK), plasma 3 methyl histidine (P3-MH), urinary creatine kinase (UCK) and 3 methyl histidine (U3- MH) 9. MV days 10. ICU, hospital and 90 day mortality 11. ICU and hospital length of stay (LOS) 12. Hospital resource use at discharge | — |
Countries
United Kingdom