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. 2021 Oct 1;8:704863. doi: 10.3389/fvets.2021.704863

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Copyright © 2021 Araos, Lacitignola, de Monte, Stabile, Porter, Hurtado, Perez, Crovace, Grasso, Martin-Flores and Staffieri.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Flowchart illustrating the experimental design. After induction of anesthesia, six obese dogs undergoing computed tomography (CT) scans were ventilated with a tidal volume of 15 ml kg⁻¹ of current (VTc) and ideal (VTi) body weight, applied in random order. On each experiment, end-expiratory CT scans and respiratory system mechanics were recorded once. At the end of each study treatment (VTc and VTi) end-inspiratory CT images, respiratory system mechanics and arterial blood gases were obtained.