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Animals
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Respiratory Mechanics in Veterinary Anaesthesia
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Respiratory Mechanics in Veterinary Anaesthesia

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Veterinary Clinical Studies".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 4815

Special Issue Editors

Dr. Mathieu Raillard

E-Mail Website
Guest Editor
The University of Sydney, Faculty of Science, School of Veterinary Science, Evelyn Williams building B10, The University of Sydney, NSW 2006, Australia
Interests: veterinary anaesthesia and analgesia; ventilation; respiratory mechanics; electrical impedance tomography
Dr. Martina Mosing

E-Mail Website
Guest Editor
School of Veterinary and Life Sciences, College of Veterinary Medicine, Murdoch University, 90 South Street, Murdoch, Western Australia 6150, Australia
Interests: veterinary anaesthesia and analgesia; ventilation; respiratory mechanics; electrical impedance tomography

Special Issue Information

Dear Colleagues,

The correct interpretation of respiratory physiology under sedation, anaesthesia and recovery is essential to guide clinical decisions in spontaneously breathing and mechanically ventilated animals. Thorough knowledge and understanding of respiratory mechanics (measurement of gas flow, pressure, volume, compliance and resistance) is one of the cornerstones for this interpretation and represents an intellectual and technical challenge. Improving the performance and understanding of currently used ventilatory techniques and developing new methods of monitoring of the respiratory system should contribute to improving ventilation strategies and the outcomes of patients that need ventilatory support.

Manuscripts that address any aspect of respiratory mechanics in any animal species are invited for this Special Issue. Topics of interest include (but are not limited to) spirometry, innovative experimental or clinical ventilatory strategies, and monitoring innovations with a special focus on measuring and discussing respiratory mechanics.

Dr. Mathieu Raillard
Dr. Martina Mosing
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Animals is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • veterinary anaesthesia
  • ventilation
  • respiratory mechanics
  • electrical impedance tomography
  • spirometry
  • monitoring

Published Papers (2 papers)

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Research

16 pages, 4707 KiB  
Article
A Survey on the Use of Spirometry in Small Animal Anaesthesia and Critical Care
by Mathieu Raillard, Olivier Levionnois and Martina Mosing
Animals 2022, 12(3), 239; https://doi.org/10.3390/ani12030239 - 19 Jan 2022
Cited by 1 | Viewed by 1844
Abstract
The objective was to document the use of spirometry and ventilation settings in small animal anaesthesia and intensive care through a descriptive, open, online, anonymous survey. The survey was advertised on social media and via email. Participation was voluntary. The google forms platform [...] Read more.
The objective was to document the use of spirometry and ventilation settings in small animal anaesthesia and intensive care through a descriptive, open, online, anonymous survey. The survey was advertised on social media and via email. Participation was voluntary. The google forms platform was used. It consisted of eight sections in English: demographic information, use of spirometry in spontaneously ventilating/mechanically ventilated dogs, need for spirometry, equipment available and calibration status, ventilation modes, spirometry displays, compliance (CRS) and resistance (RRS) of the respiratory system. Simple descriptive analyses were applied. There were 128 respondents. Respondents used spirometry more in ventilated dogs than during spontaneous breathing. Over 3/4 of the respondents considered spirometry essential in “selected” (43%) or “most” cases (33%). Multiple devices and technologies were used. The majority of the respondents were not directly involved in or informed about the calibration of their equipment. Of all displays, pressure-volume loops were the most common. Values of CRS and RRS were specifically monitored in more than 50% of cases by 44% of the respondents only. A variety of ventilation modes was used. Intensivists tend to use smaller VT than anaesthetists. More information on reference intervals of CRS and RRS and technical background on spirometers is required Full article
(This article belongs to the Special Issue Respiratory Mechanics in Veterinary Anaesthesia)
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16 pages, 1504 KiB  
Article
Use of Electrical Impedance Tomography (EIT) to Estimate Tidal Volume in Anaesthetized Horses Undergoing Elective Surgery
by Benedetta Crivellari, Anthea Raisis, Giselle Hosgood, Andreas D. Waldmann, David Murphy and Martina Mosing
Animals 2021, 11(5), 1350; https://doi.org/10.3390/ani11051350 - 10 May 2021
Cited by 11 | Viewed by 2209
Abstract
This study explores the application of electric impedance tomography (EIT) to estimate tidal volume (VT) by measuring impedance change per breath (∆Zbreath). Seventeen healthy horses were anaesthetised and mechanically ventilated for elective procedures requiring dorsal recumbency. Spirometric VT (VTSPIRO) [...] Read more.
This study explores the application of electric impedance tomography (EIT) to estimate tidal volume (VT) by measuring impedance change per breath (∆Zbreath). Seventeen healthy horses were anaesthetised and mechanically ventilated for elective procedures requiring dorsal recumbency. Spirometric VT (VTSPIRO) and ∆Zbreath were recorded periodically; up to six times throughout anaesthesia. Part 1 assessed these variables at incremental delivered VT of 10, 12 and 15 mL/kg. Part 2 estimated VT (VTEIT) in litres from ∆Zbreath at three additional measurement points using a line of best fit obtained from Part 1. During part 2, VT was adjusted to maintain end-tidal carbon dioxide between 45–55 mmHg. Linear regression determined the correlation between VTSPIRO and ∆Zbreath (part 1). Estimated VTEIT was assessed for agreement with measured VTSPIRO using Bland Altman analysis (part 2). Marked variability in slope and intercepts was observed across horses. Strong positive correlation between ∆Zbreath and VTSPIRO was found in each horse (R2 0.9–0.99). The agreement between VTEIT and VTSPIRO was good with bias (LOA) of 0.26 (−0.36–0.88) L. These results suggest that, in anaesthetised horses, EIT can be used to monitor and estimate VT after establishing the individual relationship between these variables. Full article
(This article belongs to the Special Issue Respiratory Mechanics in Veterinary Anaesthesia)
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