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Evaluating the changes of efficiency of mask ventilation after administration of neuromuscular blockade in anesthetic induction and elucidating the mechanism of it

The changes in tidal volume during mask ventilation after administration of neuromuscular blockade in anesthetic induction and it’s correlation with the angle of vocal cord

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0003686
Enrollment
108
Registered
2019-03-29
Start date
2019-05-06
Completion date
Unknown
Last updated
2019-04-23

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

Conditions

None listed

Interventions

Drug : Patients who are scheduled for surgery requiring general anesthesia and whose patients seemed to have normal airway are included in this study. During induction of general anesthesia, mask ve

Sponsors

Hanyang University Seoul Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients who are scheduled for surgery requiring general anesthesia ASA (American Society of Anesthesiologists) class I, II 20-65 years old

Exclusion criteria

Exclusion criteria: -ASA (American Society of Anesthesiologists) class = III -Patients with severe cardiopulmonary disease - Patients with previous history of difficult intubation or cervical instability - Body mass index over 30 - In case of Malmpati Class III, IV - thyromental distance less than 6 cm. - mouth opening less than 3cm - cervical movement less than 45 degrees - full beard - Sleep apnea - Limitations of jaw thrust

Design outcomes

Primary

MeasureTime frame
Tidal volume/ideal body weight

Secondary

MeasureTime frame
angle of vocal cord;the relation between patient characteristics(age,sex,smoking,asthma) and closure of vocal cord

Countries

Korea, Republic of

Contacts

Public Contactminkyu lee

Hanyang University

rnklee@naver.com+82-2-2290-8680

Outcome results

None listed

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