TY - JOUR ID - TI - Silent Thyroid Function Abnormalities in Patients Undergoing Coronary Angiography AU - Ameen Mossa Mohammad, Joma Aziz Joma1, Bayar Ahmed Qasim, Ahmed Hassan Yousif1 PY - 2019 VL - 16 IS - 3 SP - 220 EP - 223 JO - Medical Journal of Babylon مجلة بابل الطبية SN - 1812156X 23126760 AB - Background: Iodine is an essential element in the formation of thyroid hormones, the body may encounter situations in which high iodine loadoccur in the body like doing the contrast studies using the iodine‑containing contrast media. In most people, this iodine load is well‑tolerable;however, in some others, this may result in derangements in the thyroid function, from which hyperthyroidism is the most common.Objective: The objective of the study is to determine the subclinical changes in the thyroid functions in a cohort of patients with coronaryartery disease (CAD) undergoing coronary angiography (CAG) and/or percutaneous coronary intervention (PCI). Materials and Methods: Inthis pilot study, a total of 101 patients with CAD undergoing CAG and/or PCI were recruited during the year 2018. All cases had normalthyroid function tests including (thyroid‑stimulating hormone [TSH], free T4, and free T3) preprocedural. Six weeks after CAG/PCI serumTSH, free T4 and T3 were assessed again. Results: No significant differences were observed in levels of TSH, free T4, and free T3 betweenpreprocedures (CAG/PCI) and after 6 weeks with P values (0.645, 0.135, and 0.807), respectively. In addition, no difference was found betweenthe subgroup of CAG versus PCI. Conclusion: In euthyroid patients undergoing CAG/PCI minimal changes could occur in thyroid function.However, these changes are of limited significance in the short term.

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