Respiratory
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Age = 18 years. Diagnosis of sepsis or septic shock according to Sepsis-3 criteria. Expected to require invasive mechanical ventilation for = 48 hours. Intubated within the previous 24 hours. Written informed consent from the patient or legally authorized representative.
Exclusion criteria
Exclusion criteria: 1. Pre-existing neuromuscular disorders affecting the diaphragm (e.g., myasthenia gravis, ALS, known diaphragmatic paralysis). Severe ongoing hemodynamic instability (norepinephrine > 0.3 µg·kg?¹·min?¹ or equivalent) making ventilator changes unsafe. Pregnancy. Major thoracic trauma or spinal cord injury expected to affect respiratory mechanics or diaphragm function. Active, untreated air leak (large bronchopleural fistula, untreated pneumothorax) or significant chest wall deformity that precludes reliable ultrasound. Anticipated withdrawal of life-sustaining therapy or expected death within 24 hours.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The number of ventilator-free days at 28 days (VFD-28) in patients with sepsis requiring invasive mechanical ventilation after diaphragm-protective ventilation strategy. | — |
Secondary
| Measure | Time frame |
|---|---|
| Time to first successful spontaneous breathing trial (SBT). Duration of invasive mechanical ventilation (from intubation to final extubation). Extubation success at 48 hours (defined as absence of reintubation or invasive/non-invasive ventilatory support within 48 hours post-extubation). Need for tracheostomy (cumulative incidence at day 28). ;• Daily diaphragm thickening fraction (DTF) during the intervention period. • Daily P0.1 during the intervention period. • Trajectories of DTF and P0.1 over time (area under the curve). • Development of ventilator-induced diaphragm dysfunction (VIDD), defined as DTF 1 min) or severe tachypnea (RR > 40/min) directly related to protocolized ventilator adjustments. • Hemodynamic instability requiring immediate reversal of ventilator changes. • Any serious adverse event (SAE) attributable to the intervention. ;all cause mortality | — |
Countries
Egypt
Contacts
assistant professor of anesthesia and critical care