Evaluation of cats post radioiodine therapy

Twenty-four client-owned hyperthyroid cats that underwent low-dose radioiodine therapy were evaluated for 12 months. 

 Results:

Fifteen of the 24 (63%) cats achieved euthyroidism following low-dose radioiodine treatment. 

The incidence of hypothyroidism was 25% (6 ), of those three had decreased renal function with decreased glomerular filtration rates (GFR) and before developing azotemia in two.  

Recommendations:

Research suggests that hyperthyroid patients should be monitored post radioiodine treatment for evidence of hyperthyroidism and decreased GFR.  

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 Thyroid and renal function in cats following low-dose radioiodine (111Mbq) therapy.