Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Observational
Official Title: Iodinated Contrast Agents and Risk of Hypothyroidism in Young Children in the United States
Brief Summary: This study will estimate the incidence of hypothyroidism in a pediatric population of children under age 4, based on data from the US-based Kaiser Permanente Northern California database, which were exposed to iodinated contrast agent through having a diagnostic procedure.