Hemogram-Derived Inflammatory Markers in Cats with Chronic Kidney Disease

Area of Science:

• Veterinary Medicine
• Nephrology
• Immunology

Background:

• Chronic kidney disease (CKD) in cats involves progressive nephron loss due to chronic inflammation and fibrosis.
• Hemogram-derived inflammatory markers are recognized indicators of disease but their utility in feline CKD is not established.
• Investigating these markers could provide accessible diagnostic tools for feline CKD.

Purpose of the Study:

• To evaluate the diagnostic value of specific hemogram-derived inflammatory markers in cats with different stages of CKD.
• To compare inflammatory marker levels between early CKD, advanced CKD, and healthy control cats.

Main Methods:

• Retrospective study analyzing hemogram data from 88 cats with CKD and 32 healthy controls.
• Cats were categorized into early CKD (IRIS stages 1-2) and advanced CKD (IRIS stages 3-4).
• Evaluated markers included neutrophil-to-lymphocyte ratio (NLR), monocyte-to-lymphocyte ratio (MLR), platelet-to-lymphocyte ratio (PLR), and systemic immune-inflammatory index (SII).

Main Results:

• All investigated hemogram-derived inflammatory markers (NLR, MLR, PLR, SII) were significantly higher in cats with advanced CKD compared to early CKD and healthy controls (p < 0.05).
• A weak to moderate correlation was observed between these inflammatory markers and serum urea, creatinine, and certain hematologic/urinary parameters in CKD cats.
• These findings suggest hemogram markers can reflect the inflammatory state associated with feline CKD progression.

Conclusions:

• Hemogram-derived inflammatory markers are significantly elevated in advanced feline CKD, indicating their potential as indicators of disease severity.
• These markers provide a simple and cost-effective means to assess chronic inflammation in cats with kidney disease.
• Further research could validate these markers for routine clinical use in feline CKD management.