The effect of head and neck position on nasotracheal intubation using a video laryngoscope

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1062240043

Enrollment

100

Registered

2024-08-06

Start date

2024-08-06

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

General anesthesia (nasal intubation)

Interventions

Head position adjustment during nasal intubation using a video laryngoscope (McGRTH MAC) (a group without a pillow and a group with a pillow that maintains the head position at a height of 7 cm)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patients scheduled for nasal intubation under general anesthesia 2) Patients aged 18 to 85 years and with an American Society of Anesthesiologists (ASA) Physical Status (PS) of I or II

Exclusion criteria

Exclusion criteria: 1) Patients scheduled for emergency surgery 2 Patients with ASA PS III, IV, or V 3) Obese patients (body mass index: BMI > 30) 4) Patients with cognitive impairment 5) Patients with cervical spine disease

Design outcomes

Primary

Measure	Time frame
modified intubation difficulty scale score (mIDS score)	—

Secondary

Measure	Time frame
1) Percentage of mDIS score >1, 2) Intubation time, 3) Number of intubations, 4)Percentage of Glottic Opening (POGO) score, 5) Required lifting force, 6) Laryngeal pressure, 7) Presence or absence of mucosal damage, 8) Mouth opening,	—

Contacts

Public ContactSatoru EGUCHI

Tokushima University Hospital

seguchi@tokushima-u.ac.jp+81-88-633-7367

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026