High-flow Nasal Oxygenation in Obese Patients During Apnea
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Details and patient eligibility
About
Before going off to sleep patients are given oxygen to saturate blood with oxygen to extend time before a decrease in the level of oxygen in the blood occurs. During this period, obese patients have a faster decrease in the level of oxygen in their blood. This study uses a device called "high-flow nasal cannula" (HFNC), which delivers humidified high-flow oxygen through 2 small plastic tubes placed just inside nostrils. In the intensive care unit settings this device has been used extensively and has become a standard practice. Purpose of this study is to determine whether these high-flow nasal cannula increase the time safely when going to sleep during elective surgery.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
- Age more than18 years old
- ASA status I-III
- Elective surgery performed under general anesthesia requiring endotracheal intubation
- BMI more than 40 kg/m2
Exclusion criteria
- Chronic respiratory disease
- SpO2 <98% after supplementing oxygen
- Previous or anticipated difficult intubation
- Uncontrolled hypertension
- Ischemic heart disease
- Congestive heart failure
- Increased intracranial pressure
- Uncontrolled GERD
- Known allergy or contraindication to anesthesia drugs
- Nasal blockade contraindicating the use of HFNC
Trial design
Primary purpose
Allocation
Interventional model
Masking
40 participants in 2 patient groups
Trial contacts and locations
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Data sourced from clinicaltrials.gov
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