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Comparison of ventilation effect with nasopharyngeal airway or mask in the induction period of general anesthesia

Comparison of ventilation effect with nasopharyngeal airway or mask in the induction period of general anesthesia

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2000040470
Enrollment
Unknown
Registered
2020-11-29
Start date
2020-12-01
Completion date
Unknown
Last updated
2021-03-01

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

Conditions

None listed

Interventions

N:after consciousness disappeares during induction,the nasopharyngeal airway is inserted through the nasal cavity combined with mouth and other side of nasal cavity closed
M:after consciousness disappears during induction,mask ventilation was performed using EC technique

Sponsors

the First Affiliated Hospital of Zhengzhou University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 55 Years

Inclusion criteria

Inclusion criteria: Patients aged 18-55 years; ASA physical status I, II, with Mallampati classification I, II; BMI 18-25kg/m2.

Exclusion criteria

Exclusion criteria: difficult mask ventilation,previous history of nasal surgery,nasal deformity and habitual epistaxis,a history of cardiopulmonary and neurological diseases,abnormal lung function test

Design outcomes

Primary

MeasureTime frame
the amplitude of diaphragm motion induced by respiratory movement;—

Secondary

MeasureTime frame
SBP, DBP, HR, SpO2, PETCO2, Ppeak;—

Countries

China

Contacts

Public ContactYanli Ma

the First Affiliated Hospital of Zhengzhou University

Jpzp2008@163.com+86 13523060746

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026