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A study to find the best way to identify patients who may have difficulty with face mask breathing during general anaesthesia.

Comparison of upper airway ultrasonography and conventional clinical airway assessment for predicting difficult bag mask ventilation in adult patients undergoing general anaesthesia A prospective observational study - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2026/07/114161
Enrollment
127
Registered
2026-07-16
Start date
Unknown
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Health Condition 1: Z400- Encounter for prophylactic surgeryfor risk factors related to malignant neoplasms

Interventions

Intervention1: Nil: Nil Intervention2: Nil: Nil

Sponsors

SRM Medical College Hospital and Research Centre
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Age 18 to 65 Both gender Patient Posted for Surgeries Under general anesthesia ASA Iand ASAII

Exclusion criteria

Exclusion criteria: Emergency Surgery Inadequate Surgery Pregnancy

Design outcomes

Primary

MeasureTime frame
Diagnostic accuracy sensitivity specificity positive predictive value and negative predictive value of tongue thickness distance from skin to hyoid bone and distance from skin to thyroid cartilage for predicting difficult bag mask ventilationTimepoint: Within 1 minute after induction of general anaesthesia during bag-mask ventilation—

Secondary

MeasureTime frame
Correlation of upper airway ultrasonography parameters with conventional clinical airway assessment parametersTimepoint: Within 30 minutes before induction of general anaesthesia during the preoperative airway assessment—

Countries

India

Contacts

Public ContactYuva shree K

SRM School of Allied Health Sciences

3lakshanabalu@gmail.com8925453423

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Aug 10, 2026