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Effect of external laryngeal manipulation on cervical spine motion during videolaryngocopic intubation in patients with simulated cervical immobilization

The effect of external laryngeal manipulation on cervical spine motion in patients with simulated cervical immobilization undergoing AceScope® videolaryngocopic intubation

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0005099
Enrollment
28
Registered
2020-06-09
Start date
2020-06-12
Completion date
Unknown
Last updated
2020-06-15

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

Conditions

None listed

Interventions

Procedure/Surgery : After anesthetic induction, cervical spine angles are measured in neutral neck position with manual inline cervical stabilization using X-ray scan. Patients were assigned into 2 g
lidocaine is sprayed in patient&#39
s oral cavity and laryngoscopic blade and tip. In ELM first group, after tip of AceScope® videolaryngoscope is placed at valleculae, laryngoscope is lifted only enough to expose arythenoid cartilage.
lidocaine is sprayed around patient&#39
s glottis, endotracheal tube is advanced and hold just before entering patient&#39
s glottis and then cervical spine angles are measured using X-ray scan. After removing endotracheal tube and AceScope® videolaryngoscope, manual ventilation is performed for 1 minute, cervical spine a
s glottis and then cervical spine angles are measured using X-ray scan. After then, endotracheal tube is inserted. In ELM later group, After tip of AceScope® videolaryngoscope is placed at valleculae,
s glottis, endotracheal tube is advan

Sponsors

Seoul National University Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: cerebral aneurysm patients aged 20-79 years undergoing elective endovascular coil embolization under general anesthesia at angiography room

Exclusion criteria

Exclusion criteria: patients who do not agree to participate in study patients with a history of gastroesophageal reflux patients with congenital or acquired upper respiratory tract lesion such as tumors, polyps, trauma, and abscesses patients with a history of airway-related surgery patients with an increased likelihood of airway aspiration or abnormal blood coagulation patients with body mass index more than 30 kg/m^2 patients with cervical spine disease patients with a history of cervical surgery or procedure

Design outcomes

Primary

MeasureTime frame
cervical spine motion at occiput-the first cervical spine measured using X-ray scan;cervical spine motion at the first cervical spine-the second cervical spine measured using X-ray scan;cervical spine motion at the second cervical spine-the fifth cervical spine measured using X-ray scan

Secondary

MeasureTime frame
percentage of glottis opening;successful endotracheal intubation;blood in oral cavity;hoarseness;number of attempts for endotracheal intubation;time required for endotracheal intubation;blood tinged endotracheal tube;sore throat

Countries

Korea, Republic of

Contacts

Public ContactHyongmin Oh

Seoul National University Hospital

Outcome results

None listed

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