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The Influence of H2-Receptor Antagonist Administration to the 24-h Uptake of I-131 in the Thyroid Gland

Nuclear Medicine and Molecular Imaging 2021년 55권 1호 p.27 ~ 30
이동회, Budiawan Hendra, Kartamihardja A. Hussein S.,
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이동회 ( Lee Dong-Hee ) - Dr. Hasan Sadikin General Hospital Bandung Department of Nuclear Medicine and Molecular Imaging
 ( Budiawan Hendra ) - Universitas Padjadjaran Bandung
 ( Kartamihardja A. Hussein S. ) - Dr. Hasan Sadikin General Hospital Bandung Department of Nuclear Medicine and Molecular Imaging

Abstract


Purpose: The aim of this study was to determine the influence of H2RAs to the 24-h I-131 uptake in the thyroid gland.

Material and Methods: A prospective study with quasi-experimental pre- and post-study design was done. Subjects with normal fT4 level who fulfilled the inclusion criteria were selected. All subjects received 0.2 mCi of I-131 orally, and the thyroid uptake calculations were performed at 24 h later. The same procedure was performed 4 weeks later. All of the subjects were asked to consume H2RAs 1 h before the administration of I-131 of the second procedure. Both 24-h thyroid uptakes were statistically analysed.

Results: A total of 14 subjects were enrolled in this study. Most of them were women (78%) with an average age of 37.6 years old (range: 20?55). This study showed a median of 24-h thyroid uptake of I-131 before and after H2-receptor antagonist of 20.6% (range: 11.1?57.8%) and 16.7% (range: 8.1?39.4%) respectively.

Conclusion: H2-receptor antagonist caused a significance reduction of 24-h I-131 uptake value in the thyroid gland.

키워드

H2-receptor antagonist; Radioactive iodine; Thyroid gland 24-h uptake

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