Effect of pressure support ventilation during weaning on ventilation and oxygenation indices in healthy horses recovering from general anesthesia

Ida, Keila Kazue; Fantoni, Denise Tabacchi; Souto, Maria Teresa; Otsuki, Denise Aya; Zoppa, André Luis do Valle de; Silva, Luis C. L. C.; Ambrósio, Aline Magalhães

doi:10.1111/vaa.12041

Cited by 9 publications

(14 citation statements)

References 17 publications

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“…Most of the time, recovery of spontaneous breathing is performed by allowing PaCO 2 to raise and stimulate the respiratory centre. This permissive hypoventilation can induce hypoxaemia after discontinuation of inspiratory oxygen support during recovery . Pressure support ventilation can be used to improve respiratory outcome .…”

Section: Mechanical Ventilation During Anaesthesiamentioning

confidence: 99%

Maintenance of equine anaesthesia over the last 50 years: Controlled inhalation of volatile anaesthetics and pulmonary ventilation

Mosing

Senior

2018

Equine Veterinary Journal

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SummaryIn the first edition of this journal, Barbara Weaver wrote a review titled 'Equine Anaesthesia', stating that, at that time, it was quickly becoming accepted practice that many horses were being anaesthetised 'by essentially similar procedures, i.e. premedication, induction and then maintenance by controlled inhalation'. To celebrate the 50th anniversary of the first edition of this journal, this review covers the development of understanding and practice of inhalational anaesthesia and controlled ventilation in horses over the last 50 years. We review how the perceived benefits of halothane led to its widespread use, but subsequently better understanding of halothane's effects led to changes in equine anaesthetic practice and the utilisation of different inhalation agents (e.g. isoflurane and sevoflurane). We discuss how more recently, better understanding of the effects of the 'newer' inhalation agents' effects has led to yet more changes in equine anaesthetic practice, and while, further new inhalation agents are unlikely to appear in the near future, further enhancements to anaesthetic practice may still lead to improved outcomes. We review advances in our understanding of the anatomy and pathophysiology of the equine lung as well of the effects of anaesthesia on lung function and how these predispose to some of the common problems of gas exchange and ventilation during anaesthesia. We identify the aims of optimal mechanical ventilation for anaesthetic management and whether the various methods of ventilatory support during equine anaesthesia achieve them. We also highlight that further developments in equipment and optimal ventilator modes are likely in the near future.

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Section: Mechanical Ventilation During Anaesthesiamentioning

confidence: 99%

Maintenance of equine anaesthesia over the last 50 years: Controlled inhalation of volatile anaesthetics and pulmonary ventilation

Mosing

Senior

2018

Equine Veterinary Journal

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“…; Ida et al. ). Horses may be ‘weaned‐off’ mechanical ventilation to ensure return to spontaneous ventilation (RSV) prior to transfer to recovery by reducing minute ventilation towards the end of surgery.…”

Section: Introductionmentioning

confidence: 98%

The effect of two different intra-operative end-tidal carbon dioxide tensions on apnoeic duration in the recovery period in horses

Thompson

Bardell

2016

Veterinary Anaesthesia and Analgesia

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“…This could have been explained due to the better oxygenation obtained in the PEEP-RM group during anaesthesia. On the other hand, no difference in recovery time or attempts to stand was observed in horses presenting better oxygenation during recovery because of pressure support ventilation during weaning from ventilator [343].…”

Section: Respiratory System In Recoverymentioning

confidence: 84%

Recovery after General Anaesthesia in Adult Horses: A Structured Summary of the Literature

Gozalo-Marcilla

Ringer

2021

Animals

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Recovery remains the most dangerous phase of general anaesthesia in horses. The objective of this publication was to perform a structured literature review including levels of evidence (LoE) of each study with the keywords “recovery anaesthesia horse”, entered at once, in the search browsers PubMed and Web of Science. The two authors independently evaluated each candidate article. A final list with 444 articles was obtained on 5 April 2021, classified as: 41 “narrative reviews/expert opinions”, 16 “retrospective outcome studies”, 5 “surveys”, 59 “premedication/sedation and induction drugs”, 27 “maintenance with inhalant agents”, 55 “maintenance with total intravenous anaesthesia (TIVA)”, 3 “TIVA versus inhalants”, 56 “maintenance with partial intravenous anaesthesia (PIVA)”, 27 “other drugs used during maintenance”, 18 “drugs before/during recovery”, 18 “recovery systems”, 21 “respiratory system in recovery”, 41 “other factors”, 51 “case series/reports” and 6 “systems to score recoveries”. Of them, 167 were LoE 1, 36 LoE 2, 33 LoE 3, 110 LoE 4, 90 LoE 5 and 8 could not be classified based on the available abstract. This review can be used as an up-to-date compilation of the literature about recovery after general anaesthesia in adult horses that tried to minimise the bias inherent to narrative reviews.

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Effect of pressure support ventilation during weaning on ventilation and oxygenation indices in healthy horses recovering from general anesthesia

Cited by 9 publications

References 17 publications

Maintenance of equine anaesthesia over the last 50 years: Controlled inhalation of volatile anaesthetics and pulmonary ventilation

Maintenance of equine anaesthesia over the last 50 years: Controlled inhalation of volatile anaesthetics and pulmonary ventilation

The effect of two different intra-operative end-tidal carbon dioxide tensions on apnoeic duration in the recovery period in horses

Recovery after General Anaesthesia in Adult Horses: A Structured Summary of the Literature

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