Critically ill patients with a predicted prolonged ICU stay will receive neuromuscular electrical stimulation (NMES) of one quadriceps muscle. Whether the dominant or non-dominant side will be stimulated is chosen randomly by using opaque sealed envelopes. The patients will receive electrical stimulation for 1h for 7 consecutive days. The stimulated and non-stimulated side will be compared for it's thickness (by using ultrasound imaging), muscle strength if the patients are awake and cooperative (using the medical research council scale and handheld dynamometry) and a muscle biopsy will be taken. As a primary outcome the investigators hypothesize that electrical stimulation will preserve muscle mass with respect to the non-stimulated quadriceps. As secondary outcomes the investigators hypothesize that electrical stimulation can reduce muscle strength loss and leads to a better protein balance and thicker muscle fibers in the stimulated quadriceps.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
50
University Hospitals Leuven
Leuven, Vlaams-Brabant, Belgium
Muscle thickness
Ultrasound measure in cm
Time frame: pre-intervention period
Muscle thickness
Ultrasound measure in cm
Time frame: post intervention period
Muscle strength (MRC & HHD)
MRC: scale HHD: MicroFet, in kg Force
Time frame: pre intervention period
Muscle fiber thickness
biopsy using Bergström-Stille 5mm needles
Time frame: post intervention period
Muscle strength (MRC & HHD)
MRC: scale HHD: MicroFET, in kg Force
Time frame: post intervention period
Protein balance
biopsy using Bergström-Stille 5mm needles
Time frame: post intervention
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