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A clinical study comparing the performance of three bedside airway indices, viz., Acromio-axillo-suprasternal notch index,sternomental distance and modified Mallampati test in supine position in predicting difficult visualization of larynx during direct laryngoscopy.

A prospective observational study to compare the performance of Acromio-axillo-Suprasternal Notch Index, Sternomental distance and Modified Mallampati test in supine position for predicting difficult laryngoscopic view

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2021/06/034070
Enrollment
196
Registered
2021-06-08
Start date
Unknown
Completion date
Unknown
Last updated
2022-10-17

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

Conditions

Health Condition 1: G94- Other disorders of brain in diseases classified elsewhere Health Condition 2: H948- Other specified disorders of ear in diseases classified elsewhere Health Condition 3: K279- Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation Health Condition 4: N209- Urinary calculus, unspecified

Interventions

Intervention1: Nil: Nil

Sponsors

Calcutta National Medical College and Hospital
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. ASA Grade I and II 2. Patient undergoing elective surgeries under General anaesthesia requiring endotracheal intubation

Exclusion criteria

Exclusion criteria: ââ?¬Â¢ Patientsââ?¬• refusal. ââ?¬Â¢ H/O allergy to any of the study drugs. ââ?¬Â¢ BMI >30 kg/m2. ââ?¬Â¢ ASA grades III, IV, V & emergency. ââ?¬Â¢ Patients with difficulty in mouth opening ââ?¬Â¢ Edentulous ââ?¬Â¢ Upper airway abnormality [oropharyngeal mass ,maxillofacial tumor, fracture etc.] ââ?¬Â¢ Macroglossia ââ?¬Â¢ Cystic hygroma ââ?¬Â¢ Pregnancy and breast feeding mothers ââ?¬Â¢ Recent head and neck surgeries

Design outcomes

Primary

MeasureTime frame
Study Variables : 1) Patientââ?¬â?¢s informed consent form 2)Age, sex, height, weight, BMI 3) Baseline Heart rate, Systolic, Diastolic and Mean blood pressure 4)Airway parameters : AASNI(line C/ Line A), SMD, MMT-s, CL to be recorded. AASNI: Acromio-axillo-suprasternal notch index SMD: Sternomental distance MMT-s: Modified Mallampati test in supine position CL: Cormack Lehane gradeTimepoint: Sternomental distance, Modified Mallampati test in supine position and Acromioaxillosuprasternal notch index will be recorded during pre-anaesthetic evaluation of airway. Cormack Lehane grade will be observed during intubation post induction—

Secondary

MeasureTime frame
nilTimepoint: nil—

Countries

India

Contacts

Public ContactPriya Chowdhury

Calcutta National Medical College and Hospital

drchaitali.b9@gmail.com9051062616

Outcome results

None listed

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