Peer-reviewed veterinary case report
Canine blood transfusions for cats - risks and benefits
By Elkin, Maria et al.·Published in Journal of feline medicine and surgery·2023·Department of Small Animals Emergency and Critical Care·View original on PubMed →
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Original publication title: Retrospective study of canine blood xenotransfusion compared with type-matched feline blood allotransfusion to cats: indications, effectiveness, limitations and adverse effects.
- Species:
- cat
Plain-English summary
A group of 311 cats needing blood transfusions were treated with either canine blood or type-matched feline blood. The study found that while canine blood transfusions were often used in emergencies when feline blood was not available, they had a lower survival rate to discharge (55%) compared to feline blood transfusions (73%). However, most cats that survived the initial treatment had good long-term survival rates of around 90% regardless of the blood type used. It's important to note that canine blood transfusions were associated with more complications, but they can still be a lifesaving option in urgent situations.
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Abstract
OBJECTIVES: Xenotransfusion is the transfusion of blood from one species to another. With varying availability of allogenic feline blood (AFB) and in emergency conditions, circumstances occur when canine blood is transfused to cats. This study aimed to characterise the indications, effectiveness, limitations, and acute and late transfusion-related adverse effects of canine blood xenotransfusion compared with matched AFB to anaemic cats, and their survival and longer-term outcome. METHODS: This retrospective study (2013-2020) examined cats receiving canine blood xenotransfusions or AFB. RESULTS: The study included 311 cats (xenotransfusion [X-group], n = 105; allotransfusion [A-group], n = 206). Xenotransfusion was more frequent among cats sustaining haemorrhage than in those with haemolysis (<0.01) or hypoproliferative anaemia (<0.001). Financial constraints were the most common reason to elect xenotransfusion (49%). The post-transfusion mean packed cell volume was higher (<0.001) in the X-group (22%) compared with the A-group (18%), and also higher (<0.001) at 48-96 h post-transfusion (23% vs 18%, respectively). Transfusion-related adverse effects (TRAEs) were more frequent ( = 0.001) in the X-group (37.1%) compared with the A-group (19.4%), as were delayed haemolytic transfusion reactions (85% vs 42.5%, respectively;<0.001). Acute transfusion reactions (ATRs) were more frequent (<0.001) in the A-group (60%) compared with the X-group (20%). TRAEs were unassociated with survival to discharge. The survival to discharge rate of the X-group (55%) was lower ( = 0.007) than in the A-group (73%), while post-discharge survival rates to 30 days of cats surviving to discharge were 90% and 88%, respectively ( = 0.85). CONCLUSIONS AND RELEVANCE: Canine blood xenotransfusions to cats might save lives in emergency conditions when AFB is unavailable or blood typing is infeasible. The survival to discharge rate of the X-group was lower than that of the A-group. The longer-term survival rate of cats administered xenotransfusions and surviving to discharge from the hospital was good.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/37466270/