Modified nasopharynx airway oxygen therapy: a new physiological method of increasing apnoea time in patients under general anesthesia

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000039433

Enrollment

Unknown

Registered

2020-10-28

Start date

2020-11-17

Completion date

Unknown

Last updated

2021-09-20

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

Conditions

Laparoscopic gynecological surgery under general anesthesia

Interventions

modified nasopharynx airway:modified nasopharynx airway

Transnasal Humidified Rapid-Insufflation Ventilatory Exchange:Transnasal Humidified Rapid-Insufflation Ventilatory Exchange

Eligibility

Sex/Gender

Female

Age

18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Eligibility criteria included the following: patients >= 18 and < 60 years requiring general anesthesia with endotracheal intubation for scheduled laparoscopic gynecologicalsurgery, ASA physical status I–II.

Exclusion criteria

Exclusion criteria: Patients were deemed ineligible if they had chronic respiratory disease, arterial hemoglobin saturation < 98% after preoxygenation, previous or anticipated difficult intubation, uncontrolled hypertension, ischemic heart disease, congestive heart failure, increased intracranial pressure, gastroesophageal reflux disease, or a known allergy or contraindication to propofol, remifentanil, rocuronium, or midazolam.

Design outcomes

Primary

Measure	Time frame
Apnea time;	—

Secondary

Measure	Time frame
TcPCO2;PetCO2;	—

Countries

China

Contacts

Public ContactWeilian Geng

Obstetrics & Gynecology Hospital of Fudan University

irisgenggeng@126.com+86 13764278766

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 11, 2026