Oxygenation, oxygen delivery and anaesthesia in the horse.
Abstract: Horses are the most difficult of the common companion animals to anaesthetise. Hypoxaemia or inadequate oxygen delivery to peripheral tissues during anaesthesia would seem a potential cause of increased mortality, but no direct link has been established. A number of methods of increasing oxygenation and oxygen delivery have been reported, with varying results and potential applicability. The purpose of this article is to review the literature with regard to oxygenation, oxygen delivery and methods to improve each and to make recommendations for clinical application.
© 2014 EVJ Ltd.
Publication Date: 2014-05-08 PubMed ID: 24612155DOI: 10.1111/evj.12258Google Scholar: Lookup
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Summary
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The research article discusses the challenges in anaesthetising horses and explores potential methods to improve oxygen delivery and oxygenation – vital for the safety and effectiveness of anaesthesia.
Abstract Overview
- Administering anaesthesia to horses presents a specific set of challenges due to the risk of hypoxaemia, which is the inadequate supply of oxygen to peripheral tissues during anaesthesia.
- This complication could potentially increase mortality rates in horses, but the researchers note that no direct link has been definitively established yet.
- Various methods for enhancing oxygen delivery and oxygenation in horses during anaesthesia have been assessed, yielding different results for their effectiveness and possible usage.
- The aim of this research article is to examine the existing literature and studies on the topic, with the goal of further understanding the dynamics of oxygenation and oxygen delivery in horses, to make recommendations for their use in a clinical setting.
Importance of Oxygen in Anaesthesia
- Oxygen is crucial in surgical procedures as it maintains healthy tissue function and helps prevent complications related to hypoxia (insufficient oxygen).
- In anaesthesia, adequate oxygen delivery and oxygenation ensure the safety and proper functioning of anesthetised animals.
Difficulties in Horse Anaesthesia
- Among common companion animals, horses are particularly challenging to anaesthetise.
- Potential hypoxaemia during anaesthesia might increase the animal’s risk of mortality.
- However, the researchers stress that a direct causal relationship between hypoxaemia during anaesthesia and increased death rates hasn’t been clearly defined.
Strategies to Improve Oxygenation
- The scientists explored different techniques aimed at improving oxygen delivery and oxygenation during anaesthesia in horses.
- These different methods have produced varied results, with differing levels of effectiveness and utility.
Purpose of the Research
- The aim of this article is to provide a comprehensive review of the existing studies on oxygenation and oxygen delivery in anaesthetised horses to help guide clinical applications and procedures more effectively.
- The researchers intend to provide their own recommendations based on the literature review on improving anaesthesia practices in horses.
Cite This Article
APA
Hubbell JA, Muir WW.
(2014).
Oxygenation, oxygen delivery and anaesthesia in the horse.
Equine Vet J, 47(1), 25-35.
https://doi.org/10.1111/evj.12258 Publication
Researcher Affiliations
- The Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, Columbus, USA.
MeSH Terms
- Anesthesia / methods
- Anesthesia / veterinary
- Anesthetics / adverse effects
- Animals
- Horses / surgery
- Oxygen / administration & dosage
- Oxygen / blood
Citations
This article has been cited 7 times.- Bohner J, Painer J, Bakker D, Haw AJ, Rauch H, Greunz EM, Egner B, Goeritz F. Immobilization of Captive Kulans (Equus hemionus kulan) Without Using Ultrapotent Opioids.. Front Vet Sci 2022;9:885317.
- Wilkens HL, Neudeck S, Kästner SBR. Nasal and tracheobronchial nitric oxide production and its influence on oxygenation in horses undergoing total intravenous anaesthesia.. BMC Vet Res 2022 Apr 11;18(1):134.
- Tucker L, Almeida D, Wendt-Hornickle E, Baldo CF, Allweiler S, Guedes AGP. Effect of 15° Reverse Trendelenburg Position on Arterial Oxygen Tension during Isoflurane Anesthesia in Horses.. Animals (Basel) 2022 Feb 1;12(3).
- Kälin I, Henze IS, Ringer SK, Torgerson PR, Bettschart-Wolfensberger R. Comparison of Recovery Quality Following Medetomidine versus Xylazine Balanced Isoflurane Anaesthesia in Horses: A Retrospective Analysis.. Animals (Basel) 2021 Aug 19;11(8).
- Stefanik E, Drewnowska O, Lisowska B, Turek B. Causes, Effects and Methods of Monitoring Gas Exchange Disturbances during Equine General Anaesthesia.. Animals (Basel) 2021 Jul 9;11(7).
- Roşu O, Melega I, Evans AL, Arnemo JM, Küker S. Evaluation of Medetomidine-Ketamine for Immobilization of Feral Horses in Romania.. Front Vet Sci 2021;8:655217.
- Hopster K, Wittenberg-Voges L, Geburek F, Hopster-Iversen C, Kästner SBR. Effects of controlled hypoxemia or hypovolemia on global and intestinal oxygenation and perfusion in isoflurane anesthetized horses receiving an alpha-2-agonist infusion.. BMC Vet Res 2017 Nov 28;13(1):361.
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