• Katarzyna Barwinek, Danuta Gąsior-Perczak, Sławomir Trepka, Artur Szczodry, Janusz Kopczyński, Zdzisława Sitarz-Żelazna, and Aldona Kowalska.
• Collegium Medicum, Jan Kochanowski University, IX Wieków Kielc Av.19, 25-319 Kielce, Poland.
• Medicina (Kaunas). 2020 Jun 12; 56 (6).

AbstractAgranulocytosis is a rare but very serious complication of thyrostatic therapy. In severe hyperthyroidism, the removal of circulating thyroid hormones by plasmapheresis may be an effective therapeutic option. This report describes the therapeutic difficulties and successful preoperative treatment with plasmapheresis in a 63-year-old patient admitted to the Endocrinology Clinic with severe hyperthyroidism, during the course of giant toxic nodular goiter and agranulocytosis, which occurred after 2 weeks of taking methimazole. During hospitalization, methimazole treatment was discontinued and therapy with steroids, a beta blocker, propylthiouracil, Lugol's solution, lithium carbonate, and antibiotics were initiated. Granulocyte colony growth stimulating factor was also used to resolve agranulocytosis. Due to the failure to achieve euthyreosis using this approach, we decided to conduct thyroid surgery, as a life-saving action, after preparation of the patient by plasmapheresis. Two plasmapheresis procedures were performed, resulting in a decrease in the concentration of free thyroid hormones. Total thyroidectomy was performed and there were no complications during surgery. We conclude that plasmapheresis may be considered as an effective alternative treatment option for the preparation of patients with hyperthyroidism for surgery, when the clinical situations prevent the use of conventional treatments for hyperthyroidism and when immediate life-saving surgery is necessary.

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