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http://dx.doi.org/10.1136/bmj.305.6856.727 | DOI Listing |
J Vet Intern Med
January 2025
Department of Veterinary Medicine, University of Cambridge, Cambridge, UK.
Background: Hyperthyroid cats that are azotemic and hypothyroid after surgical or medical treatment have poor outcomes, and supplementation with levothyroxine (LT4) improves survival. However, the effect of LT4 supplementation on survival of nonazotemic, hypothyroid radioiodine (RI)-treated hyperthyroid cats is unknown.
Hypothesis: Radioiodine treated hyperthyroid cats with iatrogenic hypothyroidism or azotemia have shorter survival times than euthyroid, nonazotemic cats and supplementation of LT4 improves survival times of hypothyroid cats.
J Pediatr Endocrinol Metab
December 2024
CONICET-FEI-División de Endocrinología, Centro de Investigaciones Endocrinológicas"Dr. César Bergadá" (CEDIE), Hospital de Niños Ricardo Gutiérrez, BuenosAires, Argentina.
Objectives: Graves' disease is the leading cause of hyperthyroidism in children. Only a small percentage of pediatric patients achieve remission with anti-thyroid drug treatment (ATD), and both definitive therapies (thyroidectomy, or radioiodine thyroid ablation) cause lifelong hypothyroidism. Our objective was to evaluate the outcome of patients with pediatric Graves' disease (PGD), treated at a single tertiary center, focusing on response to medical treatment, remission rate, adverse reactions (AR), definitive treatment (DT), and potential predictive factors for remission.
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December 2024
Department of Nuclear Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, People's Republic of China.
In China, due to the risks of hypothyroidism after radioiodine treatment, radioiodine is not commonly used as a first-line treatment. In this study, factors influencing the development of hypothyroidism after I therapy for Graves' hyperthyroidism were evaluated. This was a retrospective study with a 12-month follow-up.
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December 2024
Division of Paediatric Endocrinology, Vrije Universiteit Brussel, UZ Brussel, Laarbeeklaan 110, Brussels, 1090, Belgium.
Up to 80% of children/adolescents with Graves' disease (GD) may require second-line treatment with either surgery or radioactive iodine (RAI) therapy after treatment with antithyroid drugs. These interventions aim to induce permanent hypothyroidism, but are not always successful. We aimed to evaluate the initial success rate (within the first year) of RAI treatment and its determining factors as second-line treatment in teenagers with GD.
View Article and Find Full Text PDFJ Am Vet Med Assoc
December 2024
2College of Veterinary Medicine, Cornell University, Ithaca, NY.
Objective: Many hyperthyroid cats (15% to 50%) have concurrent chronic kidney disease (CKD) that is "masked" and will not become azotemic until after treatment. Previous studies reported that mild-to-moderate azotemic CKD after methimazole or thyroidectomy does not adversely affect survival. Our objective was to determine whether hyperthyroid cats with masked CKD rendered euthyroid with radioiodine (131I) have shorter survival than 131I-treated euthyroid cats that remain nonazotemic.
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