Efficacy of high-flow nasal oxygen therapy on laryngeal expansion field of view

JRCT ID: jRCT1032240011

Registered date:04/04/2024

Basic Information

• Recruitment status: Pending
• Health condition(s) or Problem(s) studied: Patients scheduled for surgery under general anesthesia
• Date of first enrollment: 04/04/2024
• Target sample size: 20
• Study type: Observational

Outcome(s)

• Primary Outcome: Improvement of laryngeal expansion field of view (with or without image changes on bronchial fibers)
• Secondary Outcome: Change in glottal visibility Oxygen saturation during airway clearance Success rate of tracheal intubation

Key inclusion & exclusion criteria

• Age minimum: >= 20age old
• Age maximum: <= 75age old
• Gender: Both

Include criteria

1) Patients scheduled to undergo surgery under general anesthesia 2) Patients with written consent to participate in this study 3) Patients between the ages of 20 and 75 at the time consent is obtained 4) Patients with American Society of Anesthesiologists (ASA) physical assessment classification 1 or 2
Class 1 No organic, physiological, biochemical, or psychiatric abnormalities.The disease to be operated on is localized and does not cause systemic (systematic) disability.
Class 2 Patients have mild to moderate systematic disability.The cause of the disease is due to a surgically treated disease or other pathophysiological cause.

• Exclude criteria: 1) Patients undergoing emergency surgery 2) Patients who may be pregnant 3) Patients who may have difficulty securing the airway or intubation 4) Patients with a body mass index (BMI) of 35 or higher 5) Patients considered to be at high risk of aspiration 6) Patients whose purpose of surgery is cardiac surgery

Related Information

• Primary Sponsor: Asai Takashi
• Secondary ID(s): Nil known