Ventilatory parameters initially programmed in the S/T mode were as follows: IPAP, 12–20 cmH2O, according to the physician's assessment; EPAP, 6 cmH2O; rRR, 15 breaths/min; rise time, 300–400 ms; and inspiratory time, 0.6–1.2 s. The IPAP was progressively augmented with 2 cmH2O, according to the prescription of the attending physician. Oxygen supplements were added through an O2 adapter close to the mask to maintain the SaO2 above 90%. The exhaled current volume (EVT), Vmin, and leakage were controlled using a ventilator software. The synchronization of BiPAP with AVAPS was carried out using Auto-Trak (Respironics Inc. Murrysville. Pennsylvania. USA), a series of Mirage IV (Resmed) masks, and a Confourt Series II mask (Respironics).
Auto trak
Manufactured by Philips
Sourced in United States
The Auto-Trak is a laboratory equipment product designed for automated tracking and positioning of samples. It provides precise and consistent sample handling to support various laboratory applications.
Automatically generated - may contain errors
Lab products found in correlation
3 protocols using auto trak
1
Optimizing BiPAP Ventilation with AVAPS
2
Simulated Breathing Conditions and Ventilator Settings
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First, four passive breathing conditions were simulated. A Hamilton C3 ventilator (Hamilton Medical AG, Bonaduz, Switzerland), which was linked to the lung simulator without a facemask and PEV. The ventilator was calibrated and configured in the volume-controlled ventilation (VCV) mode. Then, it was configured in the pressure-controlled ventilation (PCV) mode. Finally, active conditions with a spontaneous effort were simulated, and a Respironics V60 Bilevel Ventilator (Philips) was connected to the lung simulator with a facemask and PEV, and the device was configured in the PSV mode. The pressure control (PC) and pressure support (PS) levels were adjusted for the ventilator to obtain tidal volumes (VT) that achieved 5.0, 7.0, and 10.0 mL/kg body weight outputs, and the positive end-expiration pressure (PEEP) was set at 5.0 cmH2O. A backup respiratory rate of 10 breaths/minute was used, and the maximal duration of the inspiratory phase was 2.0 s. A shorter inspiratory rise time was selected, which avoided overshoot.17 (link),18 (link) Trigger sensitivity and cycling criteria were auto-adjusted (digital Auto-Trak™, Philips Respironics).16 (link)
3
Ventilation Parameters for BiPAP-AVAPS Mode
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Ventilation parameters initially programmed in the BiPAP·S/T-AVAPS mode were as follows: maximum inspiratory positive airway pressure (IPAP), 14–26 cmH2O; minimum IPAP, 8 cmH2O; expiratory positive airway pressure (EPAP), 6–8 cmH2O.
The programmed tidal volume (TV) was 6–8 mL/kg of ideal body weight calculated using the following formula: 55.5 ± 2.3 × (height in inches−60) kg for men and 45.5 ± 2.3 × (height in inches−60) kg for women. The respiratory rate (RR) was 14–20 breaths/min, rise time was 300–400 ms, and inspiratory time was 0.8–1.2 s. FiO2 was programmed to maintain SaO2 above 90%. The maximum IPAP, exhaled TV (ETV), volume per minute (Vmin), and leaks were controlled using a ventilator software. The synchronization of BiPAP with AVAPS was carried out using Auto-Trak (Respironics Inc., Murrysville, Pennsylvania, USA), along with a series of Mirage IV (Resmed) facial masks.
The programmed tidal volume (TV) was 6–8 mL/kg of ideal body weight calculated using the following formula: 55.5 ± 2.3 × (height in inches−60) kg for men and 45.5 ± 2.3 × (height in inches−60) kg for women. The respiratory rate (RR) was 14–20 breaths/min, rise time was 300–400 ms, and inspiratory time was 0.8–1.2 s. FiO2 was programmed to maintain SaO2 above 90%. The maximum IPAP, exhaled TV (ETV), volume per minute (Vmin), and leaks were controlled using a ventilator software. The synchronization of BiPAP with AVAPS was carried out using Auto-Trak (Respironics Inc., Murrysville, Pennsylvania, USA), along with a series of Mirage IV (Resmed) facial masks.
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