Comparison of the semi-flexible fiberscope SensaScope® and the rigid Bonfils® for intubation in simulated difficult airway

Comparison of the semi-flexible fiberscope SensaScope® and the rigid Bonfils® for intubation in simulated difficult airway: a randomized controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN14429285

Enrollment

800

Registered

2011-10-19

Start date

2011-06-01

Completion date

Unknown

Last updated

2020-11-02

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

Conditions

Perioperative airway management Respiratory Respiratory failure, not elsewhere classified

Interventions

The patients will receive a stiff collar around their neck befor intubation to stabilize the neck and reduce mouth opening (simulation of a difficult airway). Patients will be randomly assigned to the

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. 18 years of age 2. Elective surgery in general anesthesia requiring endotracheal intubation 3. Informed consent given

Exclusion criteria

Exclusion criteria: 1. High risk of aspiration (non-fasted, massive gastroesophageal reflux disease) 2. Known difficult mask ventilation 3. Mouth opening < 20mm 4. Patients not speaking German or French 5. Refusing to participate

Design outcomes

Primary

Measure	Time frame
Intubation success rate	—

Secondary

Measure	Time frame
1. Time necessary for intubation 2. Side effects	—

Countries

Switzerland

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 25, 2026