Clinical trials: Preoxygenation
Cesarean Section Complications, Pregnancy Related
Assessment of Transnasal Humidified Rapid-insufflation Ventilatory Exchange (THRIVE) for Maternal Pre-oxygenation
The main objective of this study is to determine if the use of transnasal humidified rapid-insufflation ventilatory exchange (THRIVE) can reduce by 90 seconds the time between the entry into the operating room of the volunteer…
- Conditions
- Cesarean Section Complications, Pregnancy Related, Anesthesia
- Trial name
- PREOXCE (NCT04814628)
- Testing
- scenario 1 : pre-oxygenation with a face mask held by the anaesthetist, scenario 2: one anaesthetist in charge, face mask held by the patient for pre-oxygenation, scenario 3: one anaesthetist in charge, THRIVE used for pre-oxygenation
- Where
- France
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Preoxygenation, Apnoea, Anaesthesia
Optiflow Preoxygenation
Optiflow can be used to prolong the apnoea period under anaesthesia without falls in blood oxygen saturation. This study is designed to assess whether the Optiflow system can efficiently replace conventional anaesthetic mask and…
- Trial name
- NCT02981511
- Testing
- optiflow
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital Southampton NHS Foundation Trust
Respiratory Failure
Bag Valve Mask vs Non-rebreather at Flush Rate
Healthy volunteers will participate in a crossover trial comparing preoxygenation with a non-rebreather mask to a bag-valve mask (with and without a simulated mask leak) at the flush rate of oxygen (fully opening standard oxygen…
- Trial name
- NCT02798302
- Testing
- Flush rate oxygen using a standard flowmeter (Precision Medical, 8MFA). See description for details. This is specific.
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Hennepin Healthcare Research Institute
Obesity, Anesthesia
Pre-oxygenation Methods in Bariatric Patients
The purpose of the study is to compare effectiveness of different methods of achieving pre-oxygenation in bariatric patients. The investigators intend to compare facemask pre-oxygenation with a high-flow humidified nasal oxygen.
- Conditions
- Obesity, Anesthesia, Bariatric Surgery Candidate
- Trial name
- NCT03428256
- Testing
- Optiflow and THRIVE technique, Standard anaesthetic face mask
- Where
- United Kingdom
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Hypoxia
Preoxygenation With Nasal Cannula and Noninvasive Positive Pressure Ventilation
This is a prospective randomized cross over study of healthy volunteers comparing end-tidal oxygen concentration among subjects undergoing continuous positive airway pressure ventilation via a noninvasive ventilation (NIV) mask…
- Trial name
- NCT03093662
- Testing
- Ventilation with nasal cannula, Ventilation without nasal cannula
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Brooke Army Medical Center
Oxygen Deficiency
Comparison of Oxygen Reserve Index and Regional Cerebral Oxygen Saturation Indetermining Hypoxia in Obese Patients
The primary aim of this study is to compare the effectiveness of ORI and rcSO2 in predicting hypoxia early in obese patients who are sensitive to hypoxia.
- Trial name
- NCT06404151
- Testing
- monitoring
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Dr. Lutfi Kirdar Kartal Training and Research Hospital
Healthy
Inspiratory Support Improves Preoxygenation in Healthy Subjects
Preoxygenation optimizes oxygen content in the functional residual capacity (FRC). Adequate preoxygenation is defined by an expiratory oxygen fraction (FEO2) > 90%.
- Trial name
- NCT00922753
- Testing
- VS, AI-4/PEEP-4, AI-6/PEEP-4
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Maisonneuve-Rosemont Hospital
Preoxygenation
Pre-Oxygenation Techniques in Pregnancy
A trial comparing outcomes of two pre-oxygenation techniques in obstetric patients.
- Trial name
- POP (NCT03310723)
- Testing
- Face Mask preoxygenation, OptiFlow preoxygenation
- Where
- Canada
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Preoxygenation
Physiological Effects of Different Preoxygenation Strategies
The goal of this clinical trial is to evaluate the performance and physiological effects of different preoxygenation devices in healthy adult and pediatric volunteers (children aged 5-12 years).
- Trial name
- PREOXY II (NCT07564050)
- Testing
- Nasal cannula (NC), Non-rebreather mask (NRM), Non-rebreather mask (NRM) plus Nasal cannula (NC)
- Where
- Italy
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Institute of Mountain Emergency Medicine
Obese
The Effect of Mask Combined With High Flow Oxygen on Preoxygenation During Induction of General Anesthesia in Obese Patients
There is a risk of airway-related incidents during anaesthesia associated with obesity. High-flow nasal oxygen is advocated for perioperative preoxygenation in obese patients to reduce airway adverse reactions.
- Trial name
- NCT06562660
- Testing
- apnoeic
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Henan Provincial People's Hospital
Healthy
Comparison of Preoxygenation Techniques in Healthy Volunteers With Monitoring of End-tidal Oxygen Fraction (FeO₂) and Oxygen Reserve Index (ORI)
The objective of this physiological study is to compare two preoxygenation techniques (non-invasive ventilation combined with high-flow nasal oxygen versus non-invasive ventilation alone) by monitoring end-tidal oxygen fraction…
- Trial name
- OXYGAME1 (NCT07334041)
- Testing
- Preoxygenation with VNI + OHD, Preoxygenation with VNI
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Régional d'Orléans
Hypoxia, Hyperoxia
Different Preoxygenation Methods In Cesarean Section
The study aimed to evaluate different preoxygenation methods (tidal volume for 3 minutes and 4 deep breaths) in pregnant women with oxygen reserve index (ORI).
- Trial name
- NCT05395975
- Testing
- Oxygen Reserve Index
- Where
- Turkey (Türkiye)
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University
Intubation Complication, Preoxygenation
PreOxygenation for EndoTracheal Intubations
Hypoxemia is a life threatening complication during emergency airway management. Despite advances in technology and training, hypoxemia still occurs in up to a quarter of all intubations placing patients at high risk for damage…
- Conditions
- Intubation Complication, Preoxygenation, Hypoxemia
- Trial name
- POET (NCT03240614)
- Testing
- Non-rebreather oxygen mask, Bag-valve-mask, High Flow Nasal Cannulae
- Where
- Canada
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Nova Scotia Health Authority
Healthy
UMOX™: A New Device for Preoxygenation
Background - Preoxygenation is performed before general anesthesia to increase the oxygen reserves of the body and prolong the safe period of apnea without hypoxia.
- Trial name
- NCT01841255
- Testing
- Mouthpiece (Umox), facemask
- Where
- Canada
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Maisonneuve-Rosemont Hospital
Sarcopenia, Handgrip Strength Test
Preoperative Performance Indicators, Preoxygenation and Oxygen Reserve Relationship
The goal of this observational study is to evaluate the relationship between preoperative cardiopulmonary performance indicators and preoxygenation efficiency along with oxygen reserve depletion in patients scheduled for elective…
- Conditions
- Sarcopenia, Handgrip Strength Test, Preoxygenation
- Trial name
- NCT07688941
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Ankara City Hospital Bilkent
Preoxygenation, Non Invasive Ventilation
Preoxygenation Method With a Calibrated Leak
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.
- Trial name
- NCT03087825
- Testing
- preoxygenation without inward leak, preoxygenation with inward leak
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Caen
Respiratory Failure
Four Methods of Pre-oxygenation
Four methods of preoxygenation will be compared in healthy volunteers
- Trial name
- NCT02708862
- Testing
- Preoxygenation
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Hennepin Healthcare Research Institute