Prediction of Difficult Mask Ventilation in adult patients undergoing elective surgery by Ultrasound of Distance from skin to hyoid bone (DSHB), and distance from skin to Thyroid isthmus (DSTI)]

Not Applicable

• Conditions: 1)Difficult Mask ventilation Grading by using Han’s mask ventilation Classification and description scale.2)Sonographic measurements: thickness of anterior cervical soft tissue; Difficult Mask ventilation; Sonographic measurements: thickness of anterior cervical soft tissue

• Registration Number: TCTR20200930002
• Lead Sponsor: Faculty of Medicine, Prince of Songkla University

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2020-09-30
• Study Completion: 2021-10-01
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Pending (Not yet recruiting)
• Sex: All
• Target Recruitment: 189

Inclusion Criteria

1.Patient Undergoing elective surgery under general anaesthesia with endotracheal tube intubation or using Supraglottic airway device
2.Age ≥18 years old
3.Appropriately NPO

Exclusion Criteria

1.facial fractures, maxillofacial abnormalities, tumors, and cervical spine fractures
2.history of a difficult airway
3.a tracheostomy tube or Intubated Patient
4.Indications for awake and/ or spontaneous breathing airway management technique
5.Planned Rapid Sequence Induction
6.Planned using Succinylcholine

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Difficult Mask ventilation Grading after induction of General Anesthesia Han’s mask ventilation Classification and description scale

Secondary Outcome Measures

Name	Time	Method
Sonographic measurements: thickness of anterior cervical soft tissue before induction of General Anesthesia Ultrasound Measurement