Degree of difficulty during intubation due to application of manoeuvres for cervical spine protection(manual-in-line-stabilization)

Change in laryngoscopic view with manual-in-line-stabilization.

Status

Active, not recruiting

Phases

Phase 4

Study type

Observational

Source

CTRI

Registry ID

CTRI/2018/02/011906

Enrollment

220

Registered

2018-02-15

Start date

Unknown

Completion date

Unknown

Last updated

2021-11-24

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

Conditions

Health Condition 1: null- Age 18 to 65 years ASA Grade I and II

Interventions

Intervention1: Manual-in-line-stabilization(MILS): The patient will be given general anaesthesia with fentanyl(2microgram/kg), propofol(2mg/kg) and vecuronium bromide(0.1mg/kg). Manual-in-line-stabili

Eligibility

Inclusion criteria

Inclusion criteria: American Society of Anesthesiologists(ASA) grade I and II patients undergoing elective surgeries.

Exclusion criteria

Exclusion criteria: a) Patients with anticipated difficult airway as assessed by standard airway parameters including Mallampati grade IV, retrognathism and upper lip bite test class III, thyromental distance 30 kg/m2 and neck circumference >44cms. b) Cervical spine pathology c) Pregnancy

Design outcomes

Primary

Measure	Time frame
Cormack and Lehane(modified) grading during: a) Manual-in-line-stabilization b) Backwards Upwards Rightward Pressure and Manual-in-line-stabilization c) Early morning sniffing position d) Backwards Upwards Rightward Pressure in Early morning sniffing positionTimepoint: a) At the time of laryngoscopy with application of manual-in-line-stabilization b) At the time of laryngoscopy in early morning sniffing position	—

Measure

Time frame

Cormack and Lehane(modified) grading during: a) Manual-in-line-stabilization b) Backwards Upwards Rightward Pressure and Manual-in-line-stabilization c) Early morning sniffing position d) Backwards Upwards Rightward Pressure in Early morning sniffing positionTimepoint: a) At the time of laryngoscopy with application of manual-in-line-stabilization b) At the time of laryngoscopy in early morning sniffing position

—

Secondary

Measure	Time frame
1) Mallampati grading (correlation to Cormack and Lehane modified grading with manual-in-line-stabilization and without manual-in-line-stabilization) 2)Degree of head movement with application of manual-in-line-stabilizationTimepoint: 1) Preoperatively during assessment of Mallampati grading. 2) During laryngoscopy	—

Countries

India

Contacts

Public ContactDr Sauharda Bikram Karki

Vardhman Mahavir Medical College and Safdarjung Hospital

findsuniti@gmail.com9810287852

Outcome results

None listed

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