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Eur J Endocrinol. 2001 Apr;144(4):331-7.

A programme of iodine supplementation using only iodised household salt is efficient--the case of Poland.

Author information

1
Department of Endocrinology, Medical College, Jagiellonian University in Krakow, Poland. szybin@endo.cm-uj.krakow.pl

Abstract

BACKGROUND:

Iodine prophylaxis in Poland started in 1935 and has been interrupted twice: by World War II and in 1980 for economic reasons. Epidemiological surveys carried out after the Chernobyl accident in 1989 as well as in 1992/1993 and in 1994 as a 'ThyroMobil' study, revealed increased prevalence of goitre in children and adults. Ninety per cent of Poland was classified as an area of moderate iodine deficiency, and 10%, in the seaside area, as mild iodine deficiency territory. Iodine prophylaxis based on iodisation of household salt was introduced again in 1986 as a voluntary model and in 1997 as a mandatory model with 30+/-10 mg KI/kg salt.

OBJECTIVE:

The evaluation of the obligatory model of iodine prophylaxis in schoolchildren from the same schools in 1994 and 1999.

METHODS:

Thyroid volume was determined by ultrasonography. Ioduria in casual morning urine samples was measured using Sandell-Kolthoff's method, within the framework of the ThyroMobil study.

RESULTS:

Goitre prevalence decreased from 38.4 to 7% and urinary iodine concentration increased from 60.4 to 96.2 microg/l mean values between 1994 and 1999. In four schools the prevalence of goitre diminished below 5%. In 1999, 70% of children excreted over 60 microg I/l, and 36% over 100 microg I/l, whereas in 1994 the values were 44 and 13% respectively.

CONCLUSION:

The present findings indicate that iodine prophylaxis based only on iodised household salt is highly effective.

PMID:
11275941
[Indexed for MEDLINE]

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