The Stages of Canine Kidney disease – International Renal Interest Society Stage for Dogs
The severity of your dog’s kidney disease and the loss of ability to filter the blood (globular filtration) is classed in Stages, which you can work out from a blood test.
The nutrition therapy that you provide your dog is very much dependent on what stage of kidney disease they have and the balance of their blood work results. Stages 1 and 2 are treated the same. Stage 3 is treated different and Stage 4 even more so.
Stage 1 – Normal blood creatinine (less than 125 umol/l or slightly less than 1.4mg/dl) or normal or mild increase blood SDMA (18 or lower), proteinuria (protein in urine), abnormal renal biopsy results, increasing blood creatinine or SDMA concentrations.
Persistently elevated blood SDMA concentration (>14 µg/dl) may be used to diagnose early CKD.
Stage 1 is extremely manageable.
Stage 2 – Normal or mildly increased creatinine (125 – 250 umol/l or 1.4 – 2.8 mg/dl).
Mildly increased SDMA (18 – 35 ug/dl). Clinical signs usually mild or absent.
Stage 2 is very much manageable.
Stage 3 – Creatinine levels higher (250 – 440 umol/l or 2.8 – 5 mg/dl).
SDMA levels (36-54)
Stage 3 the long term outlook is dependent on the total loss of kidney function. Reduce protein levels of diet.
Stage 4 – The last of management. (440+ umol/l or 5+ mg/dl).
SDMA levels (54+)
Stage 5 – This is low protein diet, high fibre, high in probiotics or your dog’s favourite meals.
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