Effects of Endotracheal Tube Warming and Spiral Deflation on the Force Required for Intubation and Postoperative Sore Throat

Effects of Endotracheal Tube Warming and Spiral Deflation on the Force Required for Intubation and Postoperative Sore Throat - Effects of Endotracheal Tube Warming and Spiral Deflation on the Force Required for Intubation and Postoperative Sore Throat

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000061022

Enrollment

130

Registered

2026-03-23

Start date

2026-05-20

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

patients undergoing general anesthesia

Interventions

In the intervention group, the endotracheal tube will be warmed and then used after spiral deflation of the cuff. In the control group, an endotracheal tube prepared with conventional cuff deflation w

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: patients aged 20 years or older with American Society of Anesthesiologists Physical Status class I or II

Exclusion criteria

Exclusion criteria: patients with American Society of Anesthesiologists Physical Status class III, IV, or V; patients undergoing head and neck surgery; patients with preoperative sore throat or hoarseness; patients with a history of smoking; patients from whom informed consent cannot be obtained; pregnant women; patients with limited mouth opening; patients with anticipated difficult intubation; and patients with cervical spine disease

Design outcomes

Primary

Measure	Time frame
the maximum force required for intubation	—

Countries

Japan

Contacts

Public ContactHIROKI YONEZAWA

Tokushima University Hospital Department of Anesthesiology

yonezawa.hiroki.2@tokushima-u.ac.jp0886313111

Outcome results

None listed

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