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Comparing the effects of video laryngoscopy guided intubation on voice functions using fibreoptic, bougie and stylet as guides

Comparing the effects of endotracheal intubation with video laryngoscope on vocal functions using video-assisted fibreoptic intubation (VAFI), bougie and stylet in adults undergoing general anaesthesia for elective surgeries; three-arm randomized controlled trial - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2025/06/089221
Enrollment
186
Registered
2025-06-20
Start date
Unknown
Completion date
Unknown
Last updated
2025-06-24

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

Conditions

Health Condition 1: J387- Other diseases of larynx

Interventions

Intervention1: Video assisted fibreoptic intubation (VAFI): Under video laryngoscopic guidance, fibreoptic scope will be used for manoeuvring into the trachea, following which the endotracheal tube wi

Sponsors

Kalaranjani K
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Modified Mallampati Grade less than 3 ASA PS 1 and 2 Anticipated duration of procedure less than 2 hours

Exclusion criteria

Exclusion criteria: Age less than 18 years BMI more than 30 kg per m2 Modified Mallampati Grade more than 3 ASA PS more than 3 Duration of the procedure more than 2 hours Emergency surgeries Obstetric surgeries ENT surgeries Critically ill patients Pre-existing voice disorders Chronic smokers

Design outcomes

Primary

MeasureTime frame
Voice analysis measurements including fundamental frequency, jitter, shimmer, harmonic to noise ratioTimepoint: Before intubation and 24 hours after intubation

Secondary

MeasureTime frame
Severity of the impact of voice impairment using the Voice-Handicap Index (VHI) questionnaireTimepoint: 24 hours after intubation;S/Z ratio and maximum phonation time (MPT)Timepoint: Before intubation and 2 hours after intubation;Intubation timeTimepoint: From insertion of video laryngoscopy blade till appearance of EtCO2 curve;Number of intubation attemptsTimepoint: From first time of insertion of guide till successful intubation;First-attempt success ratesTimepoint: From first time of insertion of guide till successful intubation

Countries

India

Contacts

Public ContactKalaranjani K

Sri Manakula Vinayagar Medical College and Hospital

ranjanrv2005@gmail.com9600823772

Outcome results

None listed

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