Measurement of physical activity levels in the Intensive Care Unit and functional outcomes: An observational study

Abstract

Purpose Primary aims were: (1) objectively quantify levels of physical activity with the sensewear armband mini-fly motion sensor (SWA-MF), (2) evaluate the correlation of SWA-MF measurement of active and resting energy expenditure against the ICU Mobility scale (IMS) and indirect calorimetry respectively. Materials and methods Adults mechanically ventilated ≥ 48 h and anticipated to remain in ICU ≥ 5 days were included. Physical activity (PA) was measured using a SWA-MF (over the first five days); energy expenditure was measured with both the SWA-MF and the Deltatrac II metabolic cart on day three; highest level of mobility was assessed on the IMS. Results Fifty-five participants performed ..