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Home / Equine Research Bank / Front Vet Sci / Prolonged Recovery From General Anesthesia Possibly Related ...
Frontiers in veterinary science2018; 5; 235; doi: 10.3389/fvets.2018.00235

Prolonged Recovery From General Anesthesia Possibly Related to Persistent Hypoxemia in a Draft Horse.

Abstract: Horses are susceptible to developing large areas of pulmonary atelectasis during recumbency and anesthesia. The subsequent pulmonary shunt is responsible for significant impairment of oxygenation. Since ventilation perfusion mismatch persists into the post-operative period, hypoxemia remains an important concern in the recovery stall. This case report describes the diagnosis and supportive therapy of persistent hypoxemia in a 914 kg draft horse after isoflurane anesthesia. It highlights how challenging it can be to deal with hypoxemia after disconnection from the anesthesia machine and how life-threatening it can become if refractory to treatment. Furthermore, it stresses the point on the interactions between hypoxemia and other factors, such as residual drug effects and hypothermia, that should also be considered in the case of delayed recovery from general anesthesia.
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Publication Date: 2018-10-01 PubMed ID: 30327770PubMed Central: PMC6174201DOI: 10.3389/fvets.2018.00235Google Scholar: Lookup
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Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

This research article outlines the challenges in treating hypoxemia, a deficiency in the amount of oxygen reaching tissues, in a draft horse following isoflurane anesthesia, with in-depth coverage of the diagnosis process and the subsequent treatment measures.

Research Background and Purpose

  • The study is a case report based on a draft horse (weighing 914 kg) that underwent isoflurane anesthesia.
  • The primary focus is on the issue of persistent hypoxemia, i.e., deficiency in the amount of oxygen reaching the tissues, following the disconnection from the anesthesia machine.
  • The research underlines the complexities of handling post-anesthesia hypoxemia and the dangers if it proves resistant to treatment.
  • Additionally, it emphasizes how hypoxemia and other factors such as residual drug effects and hypothermia may fuse, complicating the recovery from general anesthesia.

Pulmonary Atelectasis and Anesthesia

  • The study states that horses are susceptible to developing large areas of lung tissue collapse known as pulmonary atelectasis during anesthesia or during laying down on the side (recumbency).
  • This collapse of lung tissue contributes to creating a pulmonary shunt, causing a substantial impairment of oxygenation, leading to hypoxemia.
  • It’s this ventilation-perfusion mismatch that remains into the post-operative phase making hypoxemia a significant concern after the anesthesia process.

Treatment and Challenges

  • The article provides a detailed account of diagnosing persistent hypoxemia and the supportive procedures taken to treat it.
  • It emphasizes the life-threatening risk if hypoxemia becomes resistant to treatment after anesthesia.
  • The research indicates that the interaction of hypoxemia with residual drug effects and hypothermia can hamper or delay recovery.
  • The complexities illuminated in the report emphasize the need for careful post-operative handling of horses post-anesthesia, particularly when they show signs of persistent hypoxemia.

Cite This Article

APA
Dupont J, Serteyn D, Sandersen C. (2018). Prolonged Recovery From General Anesthesia Possibly Related to Persistent Hypoxemia in a Draft Horse. Front Vet Sci, 5, 235. https://doi.org/10.3389/fvets.2018.00235

Publication

Frontiers in veterinary science
ISSN: 2297-1769
NlmUniqueID: 101666658
Country: Switzerland
Language: English
Volume: 5
Pages: 235

Researcher Affiliations

Dupont, Julien
  • Department of Clinical Sciences, Anesthesiology and Equine Surgery, Faculty of Veterinary Medicine, University of Liege, Liège, Belgium.
Serteyn, Didier
  • Department of Clinical Sciences, Anesthesiology and Equine Surgery, Faculty of Veterinary Medicine, University of Liege, Liège, Belgium.
Sandersen, Charlotte
  • Department of Clinical Sciences, Anesthesiology and Equine Surgery, Faculty of Veterinary Medicine, University of Liege, Liège, Belgium.

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