[Effectiveness of iodine prophylaxis in hypertensive patients on salt restricted diet].

Background: Iodine prophylaxis in Poland started in 1935 however it has been interrupted during Second World War, and also in 1980. In January 1997 a new approach of preventing iodine deficiency was introduced as obligatory iodination model of household salt to be extent of 30 mg KI/kg. The aim of the study was to determine iodine intake after introduction of mandatory salt iodization in group of persons being on low salt diet because of hypertension.