Peer-reviewed veterinary case report
Low sodium to potassium ratios found in 49 sick cats
By Bell, Rory et al.·Published in Veterinary clinical pathology·2005·Faculty of Veterinary Medicine, United Kingdom·View original on PubMed →
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Original publication title: Decreased sodium:potassium ratios in cats: 49 cases.
- Species:
- cat
Plain-English summary
A group of 49 cats was found to have low sodium to potassium (Na:K) ratios in their blood, which can indicate various health issues. Many of these cats had gastrointestinal problems, urinary issues, or diseases affecting their heart and lungs. The study noted that cats with low Na:K ratios often had fluid build-up in their bodies. While the potassium levels were higher in these cats, sodium levels were similar to those in healthy cats. It's important for pet owners to discuss these findings with their veterinarian if their cat shows signs of illness.
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Abstract
BACKGROUND: Sodium:potassium (Na:K) ratios are often reported in feline biochemical panels, although the importance of this measurement has not been investigated. OBJECTIVES: The aims of this study were to document the range of feline disease states associated with a decreased Na:K ratio, to determine the prevalence of this biochemical abnormality in a referral hospital population, and to identify any particular disease that was more likely to have a decreased Na:K ratio. METHODS: A group of 49 cats with decreased Na:K ratios was compared with a group of 50 cats with normal Na:K ratios that were randomly selected from the same hospital population. RESULTS: Twelve of the 49 cats (24.5%) had gastrointestinal disease, 10 (20.4%) had urinary disease, 8 (16.3%) had endocrine disease, 8 (16.3%) had cardiorespiratory disease, and 5 (10.0%) had diseases affecting other body systems. Six (12.2%) had artifactually decreased Na:K ratios. No cat was identified with hypoadrenocorticism. Statistical analysis revealed that, although none of these disease states was significantly over- or under-represented in the affected group, a significantly higher proportion of cats with decreased Na:K ratio had body cavity effusions (P = .025). Serum potassium concentrations were significantly higher in the affected group (P < .0001), but there was no significant difference in mean sodium concentration between the 2 groups. CONCLUSIONS: Decreased Na:K ratios frequently occur in cats with diseases other than hypoadrenocorticism, including cats with effusions. These findings should be considered when evaluating cats with this biochemical abnormality.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/15902661/