Lapis ISSN 2398-2969

Anesthesia: ventilators - overview

Synonym(s): IPPV (intermittent positive-pressure ventilation)

Contributor(s): David Perpinan, Molly Varga

Introduction

  • Intermittent positive pressure ventilation (IPPV) can be delivered manually or with the use of a ventilator. We will talk about this second option.
  • IPPV aims at:
    • Maintaining anesthesia by delivery of gaseous anesthetic Anesthesia: inhalational.
    • Delivering oxygen to the patient.
    • Removing carbon dioxide from the patient.
  • Ventilation (IPPV) should be used when:
    • Benefits outweigh disadvantages.
    • There is a risk of compromise of respiratory function (respiratory depression, apnea, obesity, illness, intra-thoracic surgery, administration of muscle relaxants, etc).
    • A rapid and controlled recovery is desired.
    • To prevent or treat anesthetic complications such as apnea, reduced oxygen saturation or increased end-tidal CO2.

Types of ventilators

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Calculations

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Advantages

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Disadvantages

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Practical use

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Barbar S D, Pauchard L A, Bruyère R et al (2016) Mechanical ventilation alters the development of Staphylococcus aureus pneumonia in rabbit. PLoS One 11 (7), e0158799 PubMed.

Other sources of information


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