Search results
Results from the WOW.Com Content Network
Both effects operate on different time scales. [14] Only the Wolff–Chaikoff effect is helpful to prevent the thyroid from uptaking radioactive iodine in the case of nuclear emergencies. Therefore, "plummering" with high-dose iodine is only effective in a short time window after the release of radionuclides. [ 15 ]
In high dosage, iodine may reduce the synthesis of thyroid hormone via the Wolff–Chaikoff effect and its release via the Plummer effect. [5] Some guidelines recommend that iodine be administered after antithyroid medications are started, because iodine is also a substrate for the synthesis of thyroid hormone, and may worsen hyperthyroidism if ...
This low dose of radioiodine is typically tolerated by individuals otherwise allergic to iodine (such as those unable to tolerate contrast mediums containing larger doses of iodine such as used in CT scan, intravenous pyelogram (IVP), and similar imaging diagnostic procedures). Excess radioiodine that does not get absorbed into the thyroid ...
Thyroid diseases are highly prevalent worldwide, [10] [11] [12] and treatment varies based on the disorder. Levothyroxine is the mainstay of treatment for people with hypothyroidism, [13] while people with hyperthyroidism caused by Graves' disease can be managed with iodine therapy, antithyroid medication, or surgical removal of the thyroid ...
Common side effects include vomiting, diarrhea, abdominal pain, rash, and swelling of the salivary glands. [6] Other side effects include allergic reactions, headache, goitre, and depression. [7] While use during pregnancy may harm the baby, its use is still recommended in radiation emergencies. [6] Potassium iodide has the chemical formula K I ...
This is a form of targeted therapy for hyperthyroidism. Since even low levels of ionizing radiation are highly mutagenic and can cause cancer, [16] less toxic iodine isotopes such as iodine-123 [17] are more commonly used in nuclear imaging, while iodine-131 is used for its cytolytic (cell-destroying) effects in hyperthyroidism and thyroid ...
Radioactive iodine (iodine-131) alone can potentially worsen thyrotoxicosis in the first few days after treatment. One side effect of treatment is an initial period of a few days of increased hyperthyroid symptoms. This occurs because when the radioactive iodine destroys the thyroid cells, they can release thyroid hormone into the blood stream.
Amiodarone has both direct and indirect effects on thyroid function. The most notable indirect thyroid altering property is that the drug is approximately one-third iodine by weight. As a result, amiodarone therapy elevates free circulating iodine levels up to 40 times greater than the iodine intake from the average American diet. [2]