Peer-reviewed veterinary case report
Oxidative stress in dogs and cats with chronic kidney disease
By Chen, Hilla & Segev, Gilad·Published in Journal of veterinary internal medicine·2024·Department of Small Animal Internal Medicine·View original on PubMed →
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Original publication title: Evaluation of oxidative stress in dogs and cats with chronic kidney disease.
Plain-English summary
A group of dogs and cats with chronic kidney disease (CKD) showed signs of oxidative stress, which may worsen the condition. Researchers found that the levels of a specific marker for oxidative stress in urine decreased as the CKD progressed, suggesting that addressing oxidative stress could be beneficial, especially in the early stages of the disease. This means that if your pet has CKD, discussing treatments that target oxidative stress with your veterinarian might be worthwhile.
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Abstract
BACKGROUND: Oxidative stress is a potential contributor to chronic kidney disease (CKD) progression but has not been evaluated in dogs and cats with CKD. HYPOTHESIS: Oxidative stress is higher in animals with CKD compared with healthy controls and decreases with the advancing CKD stage. The aim of this study was to determine the presence and intensity of oxidative stress in dogs and cats at different CKD stages. ANIMALS: Sixty dogs and 30 cats with naturally acquired CKD; 10 dogs and 14 cats, healthy controls. METHODS: Analytical cross-sectional study. Oxidative stress was evaluated by measuring the urinary concentration of F2-isoprostane (uF2-IsoPs) normalized to urinary creatinine. RESULTS: Urinary F2-isoprostanes normalized to urinary creatinine of healthy dogs and of dogs with CKD Stages 1 to 4 was 3.3 ng/mg, 4.7 ng/mg (range, 1.0-73.4), 2.4 ng/mg (range, 0.4-7.8), 0.52 ng/mg (range, 0.01-2.9), and 0.37 ng/mg (range, 0.01-0.6), respectively. Urinary F2-isoprostanes differed among CKD stages (P < .001), but not compared with controls. uF2-IsoPs of healthy cats and cats with CKD Stages 1 to 4 was 0.68 ng/mg (range, 0.2-1.4), 0.97 ng/mg (range, 0.4-1.8), 0.6 ng/mg (range, 0.002-2.0), 0.94 ng/mg (range, 0.3-2.3), and 0.2 ng/mg (range, 0.01-0.4). Urinary F2-isoprostanes differed among stages (P = .05) but not compared with healthy controls. CONCLUSION AND CLINICAL IMPORTANCE: Oxidative stress might be present in dogs and cats with CKD. Its magnitude declines as the disease progresses, therefore, it should be considered a potential therapeutic target mostly at the early stages of the disease.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/39474931/