About this trial
Prospective, observational, monocentric study to assess the physiological effects of dexmedetomidine and remifentanil in spontaneously breathing patients with acute hypoxemic respiratory failure receiving high-flow nasal oxygen.
Eligibility criteria
Qualifiers
Age ≥18 years
PaO2/FiO2 ratio ≤ 200;
PaCO2 < 45 mmHg;
At least one symptom prompting the use of sedative-analgesic drugs according to the prescription of the attending physician: dyspnea and/or discomfort equal of greater than 4/10 (Visual Analog Scale - VAS), respiratory rate equal or greater than 25 breaths per minute, PaCO2<35 mmHg, pain (Numeric Rating Scale ≥ 4 or Behavioral Pain Scale - Non-Intubated ≥ 4);
Disqualifiers
Pregnancy;
Exacerbation of asthma or chronic obstructive pulmonary disease;
Chronic lung disease, requiring oxygen therapy at home;
Cardiogenic pulmonary oedema;
Trial design
Treatments tested in this trial
- Not listed