Malone, FJ, Strain, JJ, Gray, AM, Rollins, NC, Metebe, K and Bangu, N (1996) Iodine supplementation: A comparison of oral and intramuscular methods in the improvement of thyroid function and prophylaxis of goitre. Trace Elements and Electrolytes, 13 (3). pp. 133-135. [Journal article]
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The aim of this study was to determine which method of iodine supplementation, oral or intramuscular, is most effective at reducing goitre and improving thyroid function over a 3-month period. Subjects were randomly allocated at baseline by age and sex into 3 groups: a group given a placebo capsule; a group given an oral supplement of Lipiodol (480 mg iodine); and a group given an intramuscular injection of Lipiodol. The field study was in Maskat, 1,700 meters above sea level and 250 kilometers North-West of Dar Es Salaam, Tanzania. It is only accessible on foot being 9 hours walk from the nearest village, A total of 270 school children, aged 6 - 17 years were recruited into the study at baseline and 203 subjects were available for the follow-up examination - a response rate of 75%. Personal details, anthropometric measurements and clinical data were collected at baseline. A 2 ml blood sample was taken and goitre grades recorded pre-supplementation and at the end of supplementation 3 months later. Thyroid hormone status was examined using RIA diagnostic kits (T3, T4) and a hsTSH 1-step immunoradiometric coated tube assay. TSH concentration increased significantly (p = 0.007) in the control group, Oral supplementation resulted in a decrease in goitre size and although T3 increased significantly (p = 0.024) there was no significant change in either T4 or TSH concentrations. Intramuscular supplementation improved thyroid function, indicated by a significant (p = 0.015) decrease in mean serum TSH concentration. Goitre sizes, however, increased significantly (p = 0.01) in this group. Oral iodine supplementation appears to provide a more rapid beneficial effect on goitre in the short term than intramuscular injection.
|Item Type:||Journal article|
|Faculties and Schools:||Faculty of Life and Health Sciences|
Faculty of Life and Health Sciences > School of Biomedical Sciences
|Research Institutes and Groups:||Biomedical Sciences Research Institute > Northern Ireland Centre for Food and Health (NICHE)|
Biomedical Sciences Research Institute
|Deposited By:||Mrs Alison Deehan|
|Deposited On:||14 Jan 2010 15:03|
|Last Modified:||22 Aug 2012 11:01|
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