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Preoxygenation clinical trials

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NCT ID: NCT04596215 Completed - Preoxygenation Clinical Trials

Benefit of the Oxygen Reserve Index for Control of Success of Preoxygenation in Adults

PRIORI
Start date: December 1, 2020
Phase:
Study type: Observational

Valuation of the probability for a correct detection of paO2 < 100 mmHg and paO2 > 200 mmHg using the Oxygen Reserve Index

NCT ID: NCT04010279 Completed - Preoxygenation Clinical Trials

Can we Improve Preoxygenation by Using Adjustable Pressure Limiting Valve (APL) ?

Start date: July 9, 2019
Phase: N/A
Study type: Interventional

The aim of this study is to investigate the effects of setting airway pressure release valve (APL valve) on the anesthesia workstation to 5 cmH2O during spontaneous breathing on preoxygenation. In this prospective study healthy volunteers are randomized in cross-over between spontaneous breathing with the APL valve on spontaneous position or spontaneous breathing with the APL valve on 5 cmH2O or CPAP (continous positive airway pressure) mode with 5 cmH2O PEEP (positive end expiratory pressure).

NCT ID: NCT03772574 Completed - Preoxygenation Clinical Trials

Preoxygenation Using THRIVE Versus Facemask in Parturients

Start date: December 1, 2018
Phase: N/A
Study type: Interventional

This study aims to determine the duration for pre-oxygenation using THRIVE and facemask for parturients.

NCT ID: NCT03615417 Completed - Obesity Clinical Trials

High-Flow Nasal Cannula (HFNC) Preoxygenation in Obese Patients Undergoing General Anesthesia

Start date: April 19, 2018
Phase: N/A
Study type: Interventional

This study aims to evaluate the effectiveness of the High Flow Nasal Cannula (HFNC) for the preoxygenation of obese patients undergoing a general anesthesia. The HFNC interface is compared to a standard anesthesia FaceMask (FM) preoxygenation with Continuous Positive Airway Pressure (CPAP), the current gold standard procedure for obese induction. The interest of HFNC preoxygenation is to increase the "safe apnea time" before critical arterial desaturation, useful in the management of difficult airways, especially in subjects with reduced respiratory reserves such as the obese.

NCT ID: NCT03310723 Completed - Preoxygenation Clinical Trials

Pre-Oxygenation Techniques in Pregnancy

POP
Start date: November 10, 2017
Phase: N/A
Study type: Interventional

A trial comparing outcomes of two pre-oxygenation techniques in obstetric patients.

NCT ID: NCT03087825 Completed - Clinical trials for Non Invasive Ventilation

Preoxygenation Method With a Calibrated Leak

Start date: January 1, 2017
Phase: N/A
Study type: Interventional

During preoxygenation, imperfect seal between the face mask and patient's face can induce an inward air leak decreasing its effectiveness. We assume that noninvasive ventilation could cancel the effect of the leak. This is a prospective study. Healthy volunteers are randomised in cross-over between spontaneous breathing or noninvasive ventilation pressure support preoxygenation in the presence or absence of a calibrated leak on the inspiratory circuit.

NCT ID: NCT02979067 Completed - Preoxygenation Clinical Trials

Improvement of Oxygenation During Apnoea by i-THRIVE

i-Thrive
Start date: December 2016
Phase: N/A
Study type: Interventional

Improvement of oxygenation during apnoea by i-THRIVE Infant Transnasal Humidified Rapid Insufflation Ventilatory Exchange A single-centre prospective randomized controlled trial.

NCT ID: NCT01018316 Completed - Preoxygenation Clinical Trials

UMOX - New Device for Oropharyngeal Preoxygenation

Start date: September 2009
Phase: N/A
Study type: Observational

The UMOX is a device that has been designed as an alternative to the conventional face mask for preoxygenation to be used when an optimal preoxygenation with a facemask is difficult to achieve(i.e: when a leak is present. A previous study in our hospital (unpublished data) has shown that the UMOX was only as effective as the conventional mask when a nose clip was used to prevent the patients from breathing in some air through the nose, thus preventing the dilution/contamination of the 100% oxygen delivered.In that study, the verbal indication giving to the subjects to breathe through the mouth was better than no indication at all but still yielded unsatisfactory results. For this reason, the present study was designed to verify the hypothesis that while using the UMOX for preoxygenation, the verbal indication of breathing 8 vital capacity breaths added to the indication of breathing through the mouth would bring equivalent results -measured by the expired fraction of oxygen- as a preoxygenation of normal tidal breathing through a facemask during 3 to 5 minutes. Preoxygenation was performed with the 60 volunteers placed in the supine position with 100% oxygen. All volunteers went though preoxygenation with two techniques: 1) breathing normal tidal volumes at a normal respiratory rate for a period of 5 minutes through a tight fitting conventional face mask, and 2) eight deep breaths (i.e. vital capacity breaths) through the UMOX device with verbal indication to use only the mouth to breathe.