Head Movement Effect on Different Tracheal Tubes

NCT ID: NCT00687583

Last Updated: 2016-05-04

Basic Information

• Recruitment Status: WITHDRAWN
• Study Classification: OBSERVATIONAL
• Study Start Date: 2007-04-30
• Study Completion Date: 2009-01-31

Brief Summary

A breathing tube, which is used to secure the airway and allow ventilation of the lungs during general anaesthesia, is inserted into the windpipe either through the nose or mouth. In children, different formulas exist to determine the appropriate size of the tube according to age, and how far it should be advanced into the airway. Head movement can alter the position of the breathing tube, making it go in or come out too far. Different types of breathing tubes may also differ in their change of position with head movement. The aim of this study is to assess the accuracy of the formulae commonly used in our institution for depth of breathing tube placement, and to measure the degree of tube displacement on head movement with different types of tubes.

Detailed Description

An endotracheal tube, which is used to secure the airway and allow ventilation of the lungs during general anesthesia, is inserted into the trachea either through the nose or mouth. In children, different formulae exist to determine the approximate size of the tube according to age, and how far it should be advanced into the airway. Once a tracheal tube is inserted, its position is routinely checked to make sure both lungs are ventilated. To prevent displacement, the tube is taped to the lip, chin or at the nose. However, head movement could cause alteration of the tube position, and risk selective endobronchial intubation or inadvertent extubation. Knowledge of how the different tracheal tubes move with head position can help determine the best tube selection to reduce the risk of accidental tube advancement or removal, in cases where certain head positions are required for surgical access.

The aim of this study is to assess the accuracy of the formulae commonly used in our institution for depth of breathing tube placement, and to measure the degree of tube displacement on head movement with different types of tube. Testing the formulae will enable us to be more aware of how frequently inaccurate tube placement may occur. Knowledge of how the different breathing tubes move with head position can help determine the best tube selection to reduce the risk of the tube going in too far or coming out accidentally, for cases were certain head positions are required for surgery.

Conditions

Head Movements; Intubation, Intratracheal

Study Design

• Observational Model Type: COHORT
• Study Time Perspective: PROSPECTIVE

Eligibility Criteria

Inclusion Criteria

• Children undergoing any procedure in the Image Guided Therapy (IGT) department requiring tracheal intubation and chest x-ray

Exclusion Criteria

• Premature neonates
• Patients with cranio-facial anomalies
• Cervical spine/upper thoracic anomalies
• Laryngomalacia/tracheomalacia
• Chronic hypoxemia (i.e. cardiac conditions with right to left shunts)
• Patients requiring positions other than supine

• Minimum Eligible Age: 1 Day
• Maximum Eligible Age: 6 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

The Hospital for Sick Children

OTHER

Sponsor Role: lead

Responsible Party

Cengiz Karsli

Staff Anesthesiologist

Responsibility Role: PRINCIPAL_INVESTIGATOR

Principal Investigators

Cengiz Karsli, MD

Role: PRINCIPAL_INVESTIGATOR

The Hospital for Sick Children, Toronto Canada

Locations

The Hospital for Sick Children

Toronto, Ontario, Canada

Countries

Canada

Other Identifiers

1000010579

Identifier Type: -

Identifier Source: org_study_id