Clinical Context Peer-reviewed veterinary literature continues to shape everyday decision-making for feline patients, especially when new evidence clarifies diagnosis, treatment selection, monitoring, or clinical outcomes.

What the Study Evaluated A study published in Journal of feline medicine and surgery in 2026 evaluated longitudinal evaluation of discordant symmetric dimethylarginine and creatinine as markers of glomerular filtration rate in radioiodine-treated hyperthyroid cats..

Key Findings ObjectivesThe aim of the present study was to determine the frequency and clinical significance of discordant serum symmetric dimethylarginine (SDMA) and creatinine concentrations relative to glomerular filtration rate (GFR) in mature and senior hyperthyroid cats treated with radioactive iodine (RAI). Secondary aims of the study were to compare the sensitivity and specificity of two SDMA up…