Anaesthesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: • Elective surgery requiring intubation with muscle relaxation • Patients older than 18 years • Obese patients with a BMI > 35 kg/m2 • ASA 1 and 2 patients
Exclusion criteria
Exclusion criteria: • Patient 17) • Sepsis or other uncontrollable cause of increased metabolic demand • Raised intracranial pressure • Arterial saturation < 98% at maximum preoxygenation • Difficult clinical airway assessment (patient will likely be difficult to intubate) • Increased risk of bleeding • Bleeding at the insertion of the nasopharyngeal catheter • Grade 3 or 4 Cormack-Lehane view at intubation • Difficult bagging at the induction of anaesthesia • Allergy to any of the drugs used in the study • The patient declined to be part of the study or unable to provide informed consent Symptoms of COVID 19
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Safe apnoea time time from apnoea until an arterial saturation of 92 percent | — |
Secondary
| Measure | Time frame |
|---|---|
| Rate of carbon dioxide accumalation;Desaturation determinants | — |
Countries
South Africa
Contacts
Registrar