Background: After mechanical ventilation, 5-20% of patients with acute respiratory failure would depend on ventilator support more than 14 days because of critical-illness weakness and their underlying diseases such as heart failure and chronic obstructive pulmonary disease. Hypothesis: Electric muscle stimulation(EMS) will improve their muscle strength and shorten their ventilator days. Design: Randomized controlled trial. Adult patients with mechanical ventilation more than 14 days are eligible. EMS would be applied in experimental group 32 minutes/day on their bilateral thigh.
Randomized controlled trial involves the adult patients with invasive mechanical ventilation more than 14 days. The participants were not eligible for active rehabilitation because of drowisness or weakness(Medical Research Council (MRC) Scale for Muscle Strength≦ Grade 3). EMS would be applied in experimental group 32 minutes/day on their bilateral thigh(quadriceps muscle).
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
13
HELEX 573 : strength aggravation mode with middle frequency carrier(1500Hz), minimal voltage for visible muscle contraction(maximum output is 75mA) , 32 minutes per day.
Mackay Memorial Hospital
Taipei, Taiwan
Ventilator-free Days
the cumulative ventilator-free days after intervention, in following 28 days.
Time frame: 28 days
Grip Power
Weekly improvement of both hand grip muscle power in kilogram(Kg)
Time frame: 7 days after intervention
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