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Lookup NU author(s): Dr Petros PerrosORCiD
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© 2023Objective: The aim of this study was to compare long-term outcomes in terms of new onset or worsening of Graves orbitopathy (GO) in patients with Graves disease treated with different therapeutic modalities for hyperthyroidism. Methods: A total of 1163 patients with Graves disease were enrolled in this study; 263 patients were treated with radioiodine and 808 patients received methimazole (MMI) therapy for a median of 18 months, of whom 178 patients continued MMI for a total of 96 months (long-term methimazole [LT-MMI]). The thyroid hormonal status and GO were evaluated regularly for a median of 159 months since enrollment. Results: The rates of relapse, euthyroidism, and hypothyroidism at the end of follow-up were as follows: radioiodine treatment group: 16%, 22%, and 62%, respectively; short-term MMI group: 59%, 36%, and 5%, respectively; and LT-MMI group: 18%, 80%, and 2%, respectively. During the first 18 months of therapy, worsening of GO (11.5% vs 5.7%) and de novo development of GO (12.5% vs 9.8%) were significantly more frequent after radioiodine treatment (P <.004). Overall worsening and de novo development of GO from >18 to 234 months occurred in 26 (9.9%) patients in the radioiodine group and 8 (4.5%) patients in the LT-MMI group (P <.037). No case of worsening or new onset of GO was observed in patients treated with LT-MMI from >60 to 234 months of follow-up. Conclusion: Progression and development of GO were associated more with radioiodine treatment than with MMI treatment; GO may appear de novo or worsen years after radioiodine treatment but not after LT-MMI therapy.
Author(s): Azizi F, Abdi H, Mehran L, Perros P, Masoumi S, Amouzegar A
Publication type: Article
Publication status: Published
Journal: Endocrine Practice
Year: 2023
Volume: 29
Issue: 4
Pages: 240-246
Print publication date: 01/04/2023
Online publication date: 14/01/2023
Acceptance date: 10/01/2023
ISSN (print): 1530-891X
ISSN (electronic): 1934-2403
Publisher: Elsevier B.V.
URL: https://doi.org/10.1016/j.eprac.2023.01.006
DOI: 10.1016/j.eprac.2023.01.006
PubMed id: 36649782
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