Case Series of Inflation Pressures of the Endotracheal Tube Cuffs among Intubated Patients at an Accident and Emergency Department in Hong Kong

Leung, Sammual Yu‐Lut; Chung, Ahy; Chan, W. K.; Tsui, S. L.

doi:10.1177/102490791602300105

Cited by 3 publications

(1 citation statement)

References 17 publications

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“…Most of the relevant literature refers to human practice, recommending an intracuff pressure range between 20 and 30 cmH 2 O. 1–7 However, the normal values range from as low as 14 cmH 2 O to as high as 40 cmH 2 O. 8,9 To date, there are no feline-specific recommendations.…”

Section: Introductionmentioning

confidence: 99%

Comparison of four inflation techniques on endotracheal tube cuff pressure using a feline airway simulator

White

Makara

Martínez-Taboada

2019

Journal of Feline Medicine and Surgery

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Objectives The aim of this study was to compare four inflation techniques on endotracheal tube cuff (ETC) pressure using a feline airway simulator. Methods Ten participants used four different endotracheal cuff inflation techniques to inflate the cuff of a low-pressure, high-volume endotracheal tube within a feline airway simulator. The simulator replicated an average-sized feline trachea, intubated with a 4.5 mm endotracheal tube, connected to a circle breathing system and pressure-controlled ventilation with oxygen and medical air. Participants inflated the ETC: by pilot balloon palpation (P); by instilling the minimum occlusive volume (MOV) required for loss of airway leaks during mechanical ventilation; until a passive release of pressure with use of a loss-of-resistance syringe (LOR); and with use of a syringe with a digital pressure reader (D) specifically designed for endotracheal cuff inflation. Intracuff pressure was measured by a manometer obscured to participants. The ideal pressure was considered to be between 20 and 30 cmH2O. Data were analysed by Shapiro–Wilk, Kruskal–Wallis and χ2 tests, as appropriate. Results Participants were eight veterinarians and two veterinary nurses with additional training in anaesthesia. Measured median intracuff pressures for P, MOV, LOR and D, respectively, were 25 cmH2O (range 4–74 cmH2O), 41 cmH2O (range 4–70 cmH2O), 31 cmH2O (range 18–64 cmH2O) and 22 cmH2O (range 20–30 cmH2O). D performed significantly better ( P <0.001) than all other techniques, with no difference between the other techniques. Conclusions and relevance Use of D for cuff inflation achieved optimal cuff pressures. There may be high operator-dependent variability in the cuff pressures achieved with the use of P, MOV or LOR inflation techniques. As such, a cuff manometer is recommended when using any of these techniques.

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Section: Introductionmentioning

confidence: 99%

Comparison of four inflation techniques on endotracheal tube cuff pressure using a feline airway simulator

White

Makara

Martínez-Taboada

2019

Journal of Feline Medicine and Surgery

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The effect of user experience and inflation technique on endotracheal tube cuff pressure using a feline airway simulator

White

Redondo

Mair

et al. 2017

Veterinary Anaesthesia and Analgesia

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Disposable Airway Pressure Manometers for Endotracheal Tube Cuff Inflation

Klonner

Mattaliano

Casoria³

et al. 2023

Animals

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This study aimed to assess the performance, accuracy, precision and repeatability of two single-use airway pressure manometers as a cost-effective alternative for inflation of endotracheal tubes with high-volume, low-pressure cuffs. The manometers were tested in a bench top model against a U-tube manometer. Eighteen units of each device were tested. Three consecutive measurements were performed at pressures of 20, 25 and 30 cmH2O each. The mean ± SD of the recorded pressures and maximum deviation from the target pressures were calculated for each device and each target pressure. For device A, the mean ± SD pressures were 19.6 ± 0.7, 23.6 ± 0.8 and 28.3 ± 0.8 cmH2O; for device B, the mean ± SD pressures were 19.3 ± 0.6, 24.3 ± 0.9 and 29.2 ± 0.67 cmH2O for target pressures of 20, 25 and 30 cmH2O, respectively. The bias for device A was −0.4, −1.4, and −1.7 cmH2O and for device B, −0.7, −0.7, and −0.8 cmH2O for target pressures of 20, 25, and 30 cmH2O, respectively. Both devices showed results comparable to those reported for commercial cuff manometers. They represent inexpensive tools that provide clinically sufficient accuracy, precision and repeatability for ETT cuff inflation between pressures of 20 and 30 cmH2O.

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Case Series of Inflation Pressures of the Endotracheal Tube Cuffs among Intubated Patients at an Accident and Emergency Department in Hong Kong

Cited by 3 publications

References 17 publications

Comparison of four inflation techniques on endotracheal tube cuff pressure using a feline airway simulator

Comparison of four inflation techniques on endotracheal tube cuff pressure using a feline airway simulator

The effect of user experience and inflation technique on endotracheal tube cuff pressure using a feline airway simulator

Disposable Airway Pressure Manometers for Endotracheal Tube Cuff Inflation

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