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Which is better in predicting difficult intubation - acromio-axillo-suprasternal notch index or ratio of neck circumference to thyromental distance

Comparison of acromio-axillo-suprasternal notch index with ratio of neck circumference to thyromental distance in predicting difficult intubation - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2025/03/082556
Enrollment
340
Registered
2025-03-18
Start date
Unknown
Completion date
Unknown
Last updated
2025-04-07

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

Control Intervention1: Nil: Nil

Sponsors

Nithya Ramachandran
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patients aged 18-60 years scheduled to undergo elective surgery under general endotracheal anaesthesia Adults belonging to ASA physical status (ASA PS)I,II & III

Exclusion criteria

Exclusion criteria: Patients with obvious pathological condition in and around the mouth and neck Restricted mouth opening Pregnant ladies Patients requiring rapid sequence intubation

Design outcomes

Primary

MeasureTime frame
predictive accuracy(sensitivity, apecificity and predictive value) of AASI and NC to TMD ration in identifying difficult intubation, validated against Cormack-Lehane grade or intubation difficulty score(IDS)Timepoint: Baseline—

Secondary

MeasureTime frame
sensitivity, specificity, correlation with other predictive tools.Timepoint: Baseline—

Countries

India

Contacts

Public ContactAnanda Bangera

K S Hegde Medical Academy

anandabangera@gmail.com9845278880

Outcome results

None listed

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