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. 2021 Apr;49(2):114-117.
doi: 10.5152/TJAR.2020.80. Epub 2020 Nov 30.

Passive Release Technique Produces the Most Accurate Endotracheal Tube Cuff Pressure Than Manual Palpation and Minimum Occlusive Volume Technique in the Absence of Manometer

Buyung Hartiyo Laksono  1 , Isngadi Isngadi  1 , Satria Jati Wicaksono  1
Affiliations

Passive Release Technique Produces the Most Accurate Endotracheal Tube Cuff Pressure Than Manual Palpation and Minimum Occlusive Volume Technique in the Absence of Manometer

Buyung Hartiyo Laksono et al. Turk J Anaesthesiol Reanim. 2021 Apr.

Abstract

Objective: This study aimed to compare the accuracy of the endotracheal tube (ETT) cuff pressure of the manual palpation (MP), passive release (PR), and minimum occlusive volume (MOV) techniques.

Methods: This study is a true experiment with simple randomisation. The subjects of this study were 105 patients divided into 3 groups: MP group (n=35), PR group (n=35), and MOV group (n=35). After intubation, ETT cuff inflation was performed using 3 different techniques. The ETT cuff pressure was recorded using a manometer. The data were analysed using the chi-square test, Kruskal-Wallis test, and Mann-Whitney test in the SPSS 20 software.

Results: The mean ETT cuff pressure was 60.2±28.8 cmH2O in the MP group, 30.4±5.5 cmH2O in the PR group, and 25.8±9.6 cmH2O in the MOV group (p=0.000). The PR group had the highest pressure accuracy (77%) (p=0.000).

Conclusion: The PR technique had the highest accuracy and can be used as an alternative ETT cuff inflation technique in the absence of a manometer.

Keywords: Airway management; ETT cuff pressure; endotracheal tube cuff pressure; general anaesthesia; manual palpation; minimum occlusive volume technique; passive release technique.

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Conflict of interest statement

Conflict of interest: The authors have no conflicts of interest to declare.

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