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A study to check whether the distance between bony condyle and ear tragus measured with the patient wearing surgical mask will be able to predict difficulty in giving breath via face mask under anaesthesia.

Preoperative evaluation of condyle tragus distance with patient wearing surgical mask for prediction of difficult face mask ventilation. - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2023/08/055978
Enrollment
225
Registered
2023-08-01
Start date
Unknown
Completion date
Unknown
Last updated
2023-08-21

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

Conditions

Health Condition 1: O60-O77- Complications of labor and delivery Health Condition 2: K35-K38- Diseases of appendix Health Condition 3: K20-K31- Diseases of esophagus, stomach and duodenum Health Condition 4: K70-K77- Diseases of liver Health Condition 5: H60-H95- Diseases of the ear and mastoid process Health Condition 6: H00-H59- Diseases of the eye and adnexa Health Condition 7: M00-M99- Diseases of the musculoskeletal system and connective tissue Health Condition 8: L00-L99- Diseases of the s

Interventions

Intervention1: NIL: NIL Control Intervention1: Condyle tragus distance measurement: The Condyle tragus distance( CTD)will be measured while patient is wearing surgical mask with the mouth open and the

Sponsors

Maulana Azad Medical College
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patients scheduled for surgery under general anaesthesia requiring face mask ventilation. 1. Age 18 years and above 2. American Society of Anesthesiologists physical grade I, II, III

Exclusion criteria

Exclusion criteria: 1. Patients in whom difficulty in achieving a proper face mask seal would be identifiable with patient wearing surgical mask including but not limited to visible beard, visible swelling on face, dressing over face 2. Patients with maxillofacial injuries 3. Edentulous 4. Patients unable to cooperate 5. Thyromental distance less than 6 cm, Sternomental distance less than 12 cm following standard technique 6. Limited head and neck movement. 7. BMI greater than or equal to 30 kg/m2 8. History of sleep apnea 9. Neck circumference greater than or equal to 40 cm

Design outcomes

Primary

MeasureTime frame
Condyle tragus distance with mouth open (in finger breadth & mm) measured while wearing surgical mask for prediction of DMV (Warters scale â?¥ 2) Timepoint: Warters scale will be measured 30 sec after loss of eyelash.—

Secondary

MeasureTime frame
1.Condyle tragus distance with jaw protruded (in finger breadth & mm) measured while wearing surgical mask for prediction of DMV (Warters scale â?¥ 2) 2. Comparison of direct temporomandibular joint mobility indicators measured while wearing surgical mask (condyle tragus distance with mouth open & jaw protruded) with indirect temporomandibular joint mobility indicators measured without surgical mask (IID, MMP, & ULBT) for prediction of difficult mask ventilation. Timepoint: Warters scale will be measured 30 sec after loss of eyelash.—

Countries

India

Contacts

Public ContactDr Harshita

Maulana Azad Medical College

kapsdr@yahoo.com9968604504

Outcome results

None listed

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