Predictive factors for hypothyroidy after hemithyroidectomy [version 2; peer review: 2 approved]

Autor: Boutheina Hammami, Sirine Ayadi, Ilhem Charfeddine, Malek Mnejja, Esma Jameleddine, Rania Kharrat, Mohamed Amine Chaabouni, Moncef Sellami, Imen Achour, Wadii Thabet
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: F1000Research, Vol 11 (2022)
Druh dokumentu: article
ISSN: 2046-1402
DOI: 10.12688/f1000research.127367.2
Popis: Background: Hemithyroidectomy is one of the most common procedures performed. It is used to treat patients with benign unilateral nodules. Hemithyroidectomy results in fewer risks of hypothyroidism and the need for thyroid hormone replacement therapy. The present study was designed to identify potential clinicopathologic risk factors associated with the onset of biochemical hypothyroidism. Methods: We conducted a retrospective review of all patients who underwent hemithyroidectomy between 2004 and 2019. Hypothyroidism was defined as a serum thyrotropin level greater than 5 mIU/L. The patients were analyzed for age, sex, preoperative and postoperative thyroid stimulating hormone (TSH), state, side, and volume of the remaining lobe, and histologic diagnosis. Results: Hypothyroidism was diagnosed in 30.8% of 214 patients. This complication appeared in the first year in 83.3% of the cases. A preoperative TSH level greater than 1.32 mIU/l, a remaining volume of the lobe less than 3 ml, and the presence of thyroiditis were associated with a significant increase in the risk of developing hypothyroidism (p
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