PMC9518757_01
Strategies to achieve adherence to awake prone positioning.. Presence of health care team, recreational activities, adaptation of the circadian rhythm, oral nutritional support, and analgesics.
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All these measures were intended to promote patient adherence to prone position for prolonged periods of time (Figure 1).
ROX index.. Daily ROX index of patients included in the case studies. The red line represents a ROX index value of 5. ROX index=((SaO2/FiO2)/RR). SaO2/FiO2 = ratio of arterial oxygen saturation to fraction of inspired oxygen; RR = respiratory rate.
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A large variability of the ROX index was observed not only during the first hours of treatment, but also during the following days (Figure 2).