Evaluation of heepSync, a Novel Algorithm for Transcutaneous Electrical Stimulation of Respiratory Muscles in Mechanically Ventilated Patients.

Inclusion Criteria

• •Patient population 1
• •Adult patients with acute hypoxemic respiratory failure who have been under controlled mechanical ventilation for at least 24 hours prior to enrollment.
• •Clinically stable: oxygen saturation \> 90% with a fractional inspired oxygen ≤ 0.50, eternal PEEP ≤ 10 cm H2O, temperature ranging from 35.5 to 38.5 ºC, no intravenous administration of vasoactive agents.
• •Patient population 2
• •Adult patients with acute hypoxemic respiratory failure who have been under pressure support mechanical ventilation for at least 24 hours prior to enrollment.
• •Clinically stable: oxygen saturation \> 90% with a fractional inspired oxygen ≤ 0.50, eternal PEEP ≤ 10 cm H2O, temperature ranging from 35.5 to 38.5 ºC, no intravenous administration of vasoactive agents.