The objective of this study (Part II) will be to compare the performance of the Trilogy device and a conventional ventilator (participant's current device). Both devices will be set to the participants' current mode and prescription settings.
A. Primary Hypothesis and end-point In patients with respiratory insufficiency, when compared to conventional ventilators, the Trilogy device achieves comparable level of gas exchange (measured as partial pressure of CO2 in arterial or venous blood)and SpO2 levels during various modes of ventilation. B. Secondary Hypothesis and end-points In patients with respiratory insufficiency, when compared to conventional ventilators, the Trilogy device achieves comparable breathing pattern (tidal volume, respiratory rate, minute ventilation), hemodynamics (heart rate), and subjective measures of breathing comfort (measured by modified Borg dyspnea scale).
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
11
Exposure for one hour on the Trilogy ventilator
Exposure to participants current ventilator
University of Manitoba
Winnipeg, Manitoba, Canada
Comparable Level of Gas Exchange (Measured as Partial Pressure of CO2 in Arterial or Venous Blood).
Blood gas was obtained for this study one hour after use of each device.
Time frame: After one hour of ventilator use
Comparable Level of Gas Exchange SpO2 Levels During Various Modes of Ventilation.
Pulse Oximetry was measured after one hour of use of each ventilator.
Time frame: After one hour of ventilator use
Tidal Volume
Tidal volume is the amount of air that moves in or out of the lungs with each respiratory cycle. It measures around 500 mL in an average healthy adult male and approximately 400 mL in a healthy female. Average tidal volume was compare after a hour of use of each device.
Time frame: One hour during ventilator use.
Minute Ventilation
Minute ventilation is the volume of gas inhaled or exhaled from a person's lungs per minute. This was measured after one hour of use of each device.
Time frame: One hour during ventilator use.
Hemodynamics (Heart Rate)
Number of beats per minute. Measured after one hour of use of each device.
Time frame: One hour during ventilator use.
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