Vet360 Vol 3 Issue 04 August 2016 | Page 18

CPD ACCREDITED ARTICLE Prognosis Without treatment, cats with hyperthyroidism usually die of concurrent renal disease, heart disease, liver disease, or systemic hypertension. With treatment, the prognosis varies from extremely good to guarded, dependent on the presence of heart disease, renal disease, and systemic hypertension; whether or not any systemic damage has become permanent before treatment of the hyperthyroidism; and which treatment options are available.