The relationship between in-house lean body weight-based formula and thoracic radiographic measurement in predicting the endotracheal tube size for dogs and cats

Chong, Wan Xin (2022) The relationship between in-house lean body weight-based formula and thoracic radiographic measurement in predicting the endotracheal tube size for dogs and cats. [Project Paper] (Submitted)

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Abstract

Endotracheal tube size (ETS) estimation is crucial in preventing undesirable complications of improper size endotracheal tube utilization while maximizing its functions. However, there is no standardized optimal ETS selection method for dogs and cats currently due to a great variety in breeds, conformations, and body weights contributing to a wide individual tracheal diameter variation. Therefore, this study aimed to determine the ability of in-house lean body weight-based formula method (BWT) and thoracic radiographic measurement method (RAD) in predicting the actual inserted endotracheal tube size (ACT). Six dogs and six cats of different breeds were included as study subjects. The body weight and body condition scores were recorded for in-house lean body weight-based formula calculation to estimate BWT’s ETS. The internal tracheal diameter was measured on digital lateral thoracic radiographs for RAD’s ETS estimation. ACT was determined based on the resistance upon intubation and leak test. There was a high degree of significant positive correlation between ETS of BWT and ACT (p = 0.000, r = 0.967), as well as between ETS of RAD and ACT (p = 0.000, r = 0.975). ETS of BWT and ETS of RAD may predict ACT through the following equation: ACT = 0.609*ETS of RAD + 0.419*ETS of BWT - 0.476. In terms of prediction accuracy within the nearest ranges to ACT, RAD (75.0%) was superior to BWT (66.7%). In conclusion, BWT and RAD are suitable to be used as a guide to predict the ACT in dogs and cats.

Item Type:	Project Paper
Faculty:	Faculty of Veterinary Medicine
Depositing User:	Ms Nurhaznita Mahmood
Date Deposited:	15 Jul 2024 08:10
Last Modified:	15 Jul 2024 08:10
URI:	http://psaspb.upm.edu.my/id/eprint/1961

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