Sleep Clinical Trial
Official title:
Relationship Between Asynchronies and Sleep Disruption in Mechanically Ventilated Patients: a Prospective Cohort Study
Mechanically ventilated (MV) patients in the Intensive Care Unit (ICU) are highly susceptible to sleep disruption. Several studies in the last 15 years have demonstrated an extremely poor sleep quality and abnormal sleep pattern evaluated by polysomnography (PSG) devices (the gold standard method for evaluating sleep quality and quantity). Patient-ventilator interaction is frequently poor leading to asynchronies of varied type and consequences. Moderate-to-severe asynchronies are associated with longer mechanical ventilation, weaning failure and mortality. The goal of this study is to look for an association between poor sleep quality and patient-ventilator asynchronies. This study is an observational, physiological study investigating sleep quality and quantity in MV patients by recording portable PSG (from 22:00 to 08:00) at night while continuously monitoring 24h/day of patient-ventilator interaction (BetterCare system).
This clinical physiological study took place after MV patients have survived the initial critical admission phase (severe hypoxemia or shock) and before approaching weaning. After enrolment, a single night, sleep architecture was recorded using standard PSG (electroencephalography, right and left electrooculography, submental electromyography and electrocardiography) from 24:00 to 8:00. Pulse oximetry (SpO2) and heart rate will be recorded continuously during the PSG. Assessment of delirium was performed using the Confusion Assessment Method for the Intensive Care Unit (CAM-ICU) every 8 hours (at 08:00, 16:00 and 24:00) from day 0 until discharge. ;
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