The Changes of ETT Cuff Pressures After Head and Neck Positions Placed for Adenotonsillectomy and Tonsillectomy in Children

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

140 participants

Study Classification

OBSERVATIONAL

Study Start Date

2019-08-01

Study Completion Date

2020-03-01

Brief Summary

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The main purpose of this study was to assess the effect of each of position (neck extension by under-shoulder pillow and Crowe-Davis retractor use) during adenoidectomy and adenotonsillectomy on the intracuff pressure of ETTs in children.

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Detailed Description

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The cuff of the endotracheal tube seals the extraluminal airway to facilitate positive-pressure ventilation and reduce subglottic secretion aspiration. As increase or decrease of ETT intracuff pressures can lead to many morbidities. A total of 140 patients younger than 18 years, who were scheduled for elective adenoidectomy or adenotonsillectomy operation, were included in the study . A standardized general anesthetic was given and cuffed endotracheal tubes by the assistance of video laryngoscope were placed in all patients. The pilot balloon of each endotracheal tube was connected to the pressure transducer and standard invasive pressure monitoring was set to measure intracuff pressure values continuously. The first intracuff pressure value was adjusted to 18.4mmHg (25cm H2O) at supine and neutral neck position. The patients then were given appropriate position for the surgery. These positions were neck extension and placement of mouth gag These positions were neutral position, extension by under-shoulder pillow and placement of the mouth gag. The intracuff pressures were measured and noted after each position, at every 5th minute while the operation and before the extubating. If intracuff pressure deviated from the targeted value of 20-30cm H2O at any time, it was set to 25cm H2O again.

Conditions

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Endotracheal Tube Cuff Pressure Adenotonsillectomy Tonsillectomy Position

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Study Groups

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Study Group

Patients younger than 18 years, who were scheduled for elective adenoidectomy or adenotonsillectomy operation.

Intracuff pressure measurement

Intervention Type OTHER

The intracuff pressures were measured and noted after each position (neck extension and placement of mouth gag), at every 5th minute while the operation and before the extubating.

Interventions

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Intracuff pressure measurement

The intracuff pressures were measured and noted after each position (neck extension and placement of mouth gag), at every 5th minute while the operation and before the extubating.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Younger than 18 years
* American Society of Anesthesiologists (ASA) physical status I- II
* Elective tonsillectomy/ adenotonsillectomy under general anesthesia

Exclusion Criteria

* Older than 18 years
* American Society of Anesthesiologists (ASA) physical status \|\>II
* Nasotracheal intubation
* Peroperative tracheotomy requirements
* Respiratory tract infection.

Minimum Eligible Age

0 Years

Maximum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes