Peer-reviewed veterinary case report
Blood pressure changes in cats with different stages of kidney disease
By Hori, Yasutomo et al.·Published in The Journal of veterinary medical science·2018·School of Veterinary Medicine, Japan·View original on PubMed →
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Original publication title: Relationship between indirect blood pressure and various stages of chronic kidney disease in cats.
- Species:
- cat
Plain-English summary
A group of cats with chronic kidney disease (CKD) were studied to see how their blood pressure related to the severity of their condition. Among the 77 cats with CKD, 25 had severe hypertension, which means their blood pressure was dangerously high. The study found that as the CKD progressed, the number of cats with severe hypertension increased, especially in those with higher levels of creatinine in their blood. This suggests that if your cat has CKD and their creatinine levels are high, they may be at a greater risk for developing high blood pressure.
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Abstract
Chronic kidney disease (CKD) is a common cause of secondary systemic hypertension in cats. We investigated the relationship between indirect blood pressure and the prevalence of systemic hypertension in various CKD stages in cats. Client-owned cats (24 control cats and 77 cats with CKD) were included. Biochemical examinations of plasma were conducted by a commercial laboratory. Diseased cats were divided into two groups based on the International Renal Interest Society (IRIS) guidelines (II and III-IV). Indirect blood pressure was measured using an oscillometric technique. Severe hypertension was diagnosed if systolic blood pressure (SBP) was ≥180 mmHg. Indirect blood pressures were significantly higher in IRIS stage III-IV than in the control cats. Of 77 cats with CKD, 25 (32.5%) had severe hypertension. The frequency of severe hypertension increased with an increase in IRIS stage; 0% in the controls, 27.6% in the IRIS stage II, and 47.4% in the IRIS stage III-IV, respectively. The indirect SBP was weakly correlated with urea nitrogen (r=0.27) and creatinine (r=0.23) concentrations in plasma. Binary logistic regression analysis showed that if plasma creatinine concentration is >3.7 mg/dl, cats with CKD had an increased risk for developing severe hypertension (P<0.001). Our results suggest that indirect blood pressure was correlated with the severity of CKD, and the prevalence of severe hypertension increased in cats with severe CKD. The risk of severe hypertension may be high in cats with severe CKD.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/29311521/