Comparison of laryngeal view on conventional Direct Laryngoscopy and Left Head Rotation (LeHeR) technique in patients undergoing surgery under General Anaesthesia– a prospective, randomized cross-over study

Effect Of Conventional Direct Laryngoscopy And Left Head Rotation Technique On Laryngeal View In Patients Undergoing Surgery Under The General Anaesthesia– A Prospective, Randomized Cross Over Study - LeHeR

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2024/03/064544

Enrollment

144

Registered

2024-03-20

Start date

Unknown

Completion date

Unknown

Last updated

2025-02-03

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

Conditions

Health Condition 1: O- Medical and Surgical

Interventions

Intervention1: Arm 1 -Direct Laryngoscopy and Intubation: Direct laryngoscopy with conventional sniffing position followed by left head rotation and Intubation with second technique Intervention2: Arm

Eligibility

Inclusion criteria

Inclusion criteria: 1) age more than 18 years and less than 70 years 2) Body Mass Index between 18.5 and 35 kg/m2 3) American Society of Anaesthesiologists physical status I,II and III 4) Mallampati grade I,II and III

Exclusion criteria

Exclusion criteria: 1) pregnant patients 2) Thyromental distance less than 6 cm 3) Mouth opening less than 3 finger breadths 4) Limited head rotation 5) Mid facial anomalies 6) Neck anomalies 7) Facial fractures obstructing the airway 8) known gastroesophageal reflux 9) patients posted for emergency surgery 10) patients with a known history of coronary artery disease 11) patients who are not willing to participate

Design outcomes

Primary

Measure	Time frame
To compare the Cormack Lehane grading in two techniques of Direct laryngoscopy with conventional sniffing position and with left head rotation techniqueTimepoint: At the end of Direct laryngoscopy	—

Secondary

Measure	Time frame
To compare the Intubation Difficulty Scale with two techniques of Direct laryngoscopy with conventional sniffing position and left head rotation techniqueTimepoint: At the end of intubation	—

Countries

India

Contacts

Public ContactShashank Umesh Pliwal

All India Institute of Medical Sciences, Bathinda

navnehsamagh@gmail.com8427264480

Outcome results

None listed

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