THE EFFECT OF A SPECIFIC CHICKEN BASED RENAL DIET AS MONOTHERAPY ON CLINICAL, BIOCHEMICAL, URINARY AND SERUM OXIDATIVE STRESS PARAMETERS IN CATS WITH CKD STAGE 1 AND 2

Authors

DOI:

https://doi.org/10.26873/SVR-1515-2023

Keywords:

clinical parameters, symmetric dimethylarginine, oxidative stress, renal diet, cats, chronic kidney disease, urinary protein electrophoresis

Abstract

The aim of the study was to investigate the effect of a therapeutic renal diet on selected clinical, biochemical, and urinary parameters and on selected parameters of oxidative stress in cats with early stages of chronic kidney disease (CKD). A prospective study of a 3-month duration was conducted to evaluate the effect of renal diet on selected clinical and laboratory parameters in client-owned cats with early stages of CKD. Of a total of 29 enrolled client-owned cats, nineteen (19) cats completed the study, ten receiving renal diet and nine receiving a diet of the owner’s choice. A clinical examination was performed, and blood and urine samples were collected on the day of presentation and at regular check-ups after 3-4, 7-8, and 10-12 weeks. Serum creatinine and symmetric dimethylarginine (SDMA) concentrations and selected parameters of oxidative stress (plasma glutathione peroxidase (GPX) activity and plasma malondialdehyde (MDA) and serum selenium concentrations), were measured and electrophoresis of urinary proteins was performed. At inclusion, a significant positive correlation (p < 0.001) was found between serum selenium concentration and plasma GPX activity (Pearson correlation coefficient 0.83 (95% CI: [0.65 - 0.92]) and a significant negative correlation (p < 0.001) between serum SDMA and urine specific gravity (Pearson correlation coefficient -0.70 (95% CI: [-0.87 - (-0.38)]). At the end of the 3-month feeding trial no significant difference was found in SDMA and creatinine concentrations.

UČINEK MONOTERAPEVTSKE LEDVIČNE DIETE NA KLINIČNE, BIOKEMIJSKE, URINSKE IN SERUMSKE PARAMETRE OKSIDATIVNEGA STRESA PRI MAČKAH S CDK STOPNJE 1 IN 2

Izvleček: Namen študije je bil raziskati učinek terapevtske ledvične diete na izbrane klinične, biokemijske in urinske parametre ter parametre oksidativnega stresa pri mačkah v začetnih stopnjah kronične ledvične bolezni (KLB). Raziskava je bila zasnovana kot prospektivna, tri mesece trajajoča klinična študija, v katero je bilo vključenih 29 lastniških mačk. Devetnajst mačk je zaključilo študijo, od teh jih je deset prejemalo ledvično dieto, devet pa vzdrževalno dieto po izboru lastnika. Pri vseh mačkah smo izvedli klinični pregled in odvzem krvnih ter urinskih vzorcev na dan vključitve v študijo in pri treh kontrolnih pregledih, ki so bili izvedeni 3–4, 7–8 in 10–12 tednov kasneje. Določili smo serumsko koncentracijo kreatinina, simetričnega dimetilarginina (SDMA) in izbrane parametre oksidativnega stresa (aktivnost plazemske glutation peroksidaze (GPX) in plazemska koncentracija malondialdehida (MDA) ter serumska koncentracija selena). Poleg tega smo izvedli elektroforezo urinskih proteinov. Ob vključitvi mačk v raziskavo smo ugotovili značilno pozitivno korelacijo (p < 0,001) med serumsko koncentracijo selena in aktivnostjo plazemske GPX (Pearsonov korelacijski koeficient 0,83, 95 % CI: [0,65–0,92]) ter značilno negativno korealcijo (p < 0,001) med koncentracijo SDMA in specifično težo urina (Pearsonov korelacijski koeficient –0,70 (95 % CI: [–0,87–(–0,38)]). Trimesečno hranjenje s terapevtsko hrano ni privedlo do značilnih sprememb v serumski koncentraciji SDMA in kreatinina pri vključenih mačkah.

Ključne besede: klinični parametri; simetrični dimetilarginin; oksidativni stres; ledvična dieta; mačke; kronična ledvična bolezen; elektroforeza urinskih proteinov

 

 

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Published

2023-03-30

How to Cite

Krofič Žel, M., Nemec Svete, A., Jakovac Strajn, B., Pavšič Vrtač, K., Vovk, T., Kejžar, N., & Pavlin, D. (2023). THE EFFECT OF A SPECIFIC CHICKEN BASED RENAL DIET AS MONOTHERAPY ON CLINICAL, BIOCHEMICAL, URINARY AND SERUM OXIDATIVE STRESS PARAMETERS IN CATS WITH CKD STAGE 1 AND 2. Slovenian Veterinary Research, 60(1), 25–35. https://doi.org/10.26873/SVR-1515-2023

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Original Research Article

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