Prevalence, clinical and epidemiological features of feline hyperthyroidism at a veterinary teaching hospital in Brazil: a retrospective study

The hyperthyroidism is the most frequently endocrinopathy in cats. increasing number of diagnoses over time due to greater familiarity with disease and development increasingly sensitive diagnostic tools available. This study aimed retrospectively evaluate prevalence, clinical characteristics risk factors cats admitted at one largest veterinary teaching hospital Brazil. Between 2002 2007, 234 were University São Paulo, Total thyroxine (T4t) serum concentration was measured from all Also analyzed medical charts Of cats, 26 (11.1%) considered hyperthyroid (T4t ≥3.8 μg/dL). hese only two (7.7%) initially diagnosed as hyperthyroid. age ranged 6 27 years old (13.1 ± 4.5 years). Twelve patients (46.2%) female 14 (53.8%) male. Eight (30.8%) Siamese, while others mixed breed (69.2%). Dry food common type consumed by There a high prevalence concomitant chronic kidney (CKD). sheds light on importance routinely monitoring feline brings epidemiological data this hospitals country.