Infrared guided placement of a breathing tube before surgery

Does the infrared red intubation system (IRRIS) improve the fiberoptic intubation conditions? A randomized control trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN88166769

Enrollment

Registered

2019-08-17

Start date

2019-01-01

Completion date

Unknown

Last updated

2021-09-20

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

Conditions

Difficult Intubation Surgery Difficult Intubation

Interventions

Patients were randomly allocated to intervention (intubation with IRRIS) and controls (intubation without IRRIS) (sealed envelope technique). Both study arms received the same predefi

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Age >18 years old 2. Patients requiring general anaesthesia 3. Malampatti 1 and 2 4. ASA Physical Status Classification System 1and 2 5. Full capacity of giving informed consent.

Exclusion criteria

Exclusion criteria: 1. History of difficult intubation 2. Emergency surgery 3. BMI > 35 kg/ m2 4. Known anatomical anomalies of the airway 5. Pregnant

Design outcomes

Primary

Measure	Time frame
Time in seconds from when the point of the fiberoptic bronchoscope (FOB) is inserted in the mouth until it passes through the glottis, measured by using a stopwatch	—

Secondary

Measure	Time frame
1. Number of fiberoptic intubation attempts needed until successful intubation 2. Manoeuvres (head tilt, chin lift, jaw thrust and lingual traction) used to aid intubation	—

Countries

Ireland

Contacts

Public ContactChandar;Michael Maheshwari;Moore

;

chandar.maheshwari@cuh.ie;michaelmoore2@beaumont.ie00353 1 809 2773;00353 1 809 2773

Outcome results

None listed

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