Función tiroidea en una población con aporte extra de yodo / Thyroid function in a population with an extra iodine intake
Rev. méd. Chile
;
126(2): 177-82, feb. 1998. ilus, tab
Article
Dans Espagnol
| LILACS
| ID: lil-210560
ABSTRACT
Background:
After 20 years of iodine salt fortification, the prevalence of goiter has decreased significantly in the rural area of Pirque, central Chile. In this location, equipment has been installed that efficiently and economically adds 0.5 mg of elemental iodine per liter of water to render it potable.Aim:
To study thyroid function and urinary iodine excretion in scbool age cbildren of this zone, after two years of extra iodine intake. Material andmethods:
One hundred thirty four children aged 6 to 12 years old were examined. In 56 randomly chosen children a morning urine sample was obtained to measure iodine excretion. In 45 children without goiter, a blood sample was obtained to measure TSH and thyroxin.Results:
In nine cbildren (7 percent) a diffuse goiter was found. Median urinary iodine excretion was 158 ug/dl. Thyroxin and TSH levels were within normal limits (8.4Ý1.1 ug/dl and 2.2Ý1.5 uU/ml respectively). During the period of iodine water supplementation there were 47 births in the zone. All newborns had normal TSH values and none had goiter.Conclusions:
When present results are compared with the period before water iodination (when the prevalence of goiter was 9.6 percent and mean urinary iodine excretion was 57.6 ug/dl), it can be concluded that extra iodine intake in this rural population has not caused additional thyroid problems
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Indice:
LILAS (Amériques)
Sujet Principal:
Maladies de la thyroïde
/
Tests de la fonction thyroïdienne
/
Glande thyroide
/
Iode
Type d'étude:
Facteurs de risque
Limites du sujet:
Femelle
/
Humains
/
Mâle
langue:
Espagnol
Texte intégral:
Rev. méd. Chile
Thème du journal:
Médicament
Année:
1998
Type:
Article
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