Ventilator Therapy in Small Animals

Category: Emergency Club


Liza Koster BVSc BVSc(Hons) MMedVet(Med)

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About The Webinar

The main goal of ventilation is to reduce the work of breathing until the cause of respiratory failure is reversed. Mechanical ventilation is indicated for any patient whose arterial partial pressure oxygen (PaO2) drops below 50 – 60 mmHg on supplemental oxygen or arterial partial pressure of carbon dioxide (PaCO2) increases above 50 - 60 mmHg or for any animal that is in danger of impending respiratory failure due to the excessive energy required for ventilation (work of breathing is excessive). Therefor ventilated patients are largely divided into two groups, those with difficulty oxygenating (hypoxaemic respiratory failure) and those with difficulty ventilating (hypercapnoeic respiratory failure). Despite our best efforts, outcome is dictated by the cause of respiratory failure. The reported overall survival to discharge of dogs undergoing mechanical ventilation ranges from 20% to 33% for parenchymal disease and 57% to 71% in patients with neuromuscular disease.

This webinar will provide an overview of respiratory function, list the possible causes of respiratory failure, teach the clinical categorisation of the two types of respiratory failure i.e. hypoventilation or pulmonary parenchymal disease, and briefly discuss the modes of mechanical ventilation, ending the talk off with potential ventilator complications.

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