Abstract
This case series describes four cats with decompensated congestive heart failure and fulminant cardiogenic pulmonary oedema (CPE) that did not respond to conventional treatment and oxygen therapy, and subsequently developed hypoxaemic respiratory failure. The cats were anaesthetised to enable endotracheal intubation, manually ventilated with 100% oxygen and postural drainage was performed immediately to evacuate pulmonary oedema. Afterwards, the cats were extubated and transitioned to high-flow nasal oxygen (HFNO). HFNO allowed significant improvement in the respiration parameters without causing clinical complications. In three of the cats, the procedure was successful; duration of HFNO ranged between 4 and 44 h, and they were successfully weaned off the HFNO therapy. One cat required re-intubation due to HFNO-response failure and was ultimately euthanased. Another cat was euthanased 5 days later due to the severity of its underlying disease. This is the first report describing the combined technique of postural drainage and HFNO in cats with decompensated CPE. This combined technique could be a life-saving option for cats that fail to respond to conventional therapies and for which positive pressure ventilation is not an option.
Published Version
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