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Nasopharyngeal Apnoeic Oxygenation at 18l/min in Obese Patients: A Randomised Controlled Study

Nasopharyngeal Apnoeic Oxygenation at 18l/min in Obese Patients: A Randomised Controlled Study

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
PACTR
Registry ID
PACTR202202665252087
Enrollment
30
Registered
2022-02-10
Start date
2021-10-01
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anaesthesia

Interventions

No Apnoeic Oxygenation
Apnoeic Oxygenation at 18lmin

Sponsors

Department of Anaesthethics and Critical Care
Lead Sponsor

Eligibility

Sex/Gender
All

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

MeasureTime frame
Safe apnoea time time from apnoea until an arterial saturation of 92 percent

Secondary

MeasureTime frame
Rate of carbon dioxide accumalation;Desaturation determinants

Countries

South Africa

Contacts

Public ContactScott Pierpoint

Registrar

scott.pierpoint@gmail.com0839478893

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Aug 9, 2026