An Unusual and Severe Thyrotoxicosis in a Twin Pregnancy: Fortune Favors the Brave

Graves’ disease (GD) and gestational transient thyrotoxicosis (GTT) are the most common causes of thyrotoxicosis during pregnancy, with prevalence ranging from 0.1% to 1% and from 1% to 3%, respectively. Hyperthyroidism during pregnancy can have severe consequences if not promptly recognized and tre...

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Main Authors: Virginia Maltese, Elisa Gatta, Irene Silvestrini, Valentina Anelli, Francesca Bambini, Caterina Buoso, Maria Cavadini, Massimiliano Ugoccioni, Maura Saullo, Fiorella Marini, Elena Gandossi, Andrea Delbarba, Ilenia Pirola, Carlo Cappelli
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:Case Reports in Endocrinology
Online Access:http://dx.doi.org/10.1155/crie/6298137
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author Virginia Maltese
Elisa Gatta
Irene Silvestrini
Valentina Anelli
Francesca Bambini
Caterina Buoso
Maria Cavadini
Massimiliano Ugoccioni
Maura Saullo
Fiorella Marini
Elena Gandossi
Andrea Delbarba
Ilenia Pirola
Carlo Cappelli
author_facet Virginia Maltese
Elisa Gatta
Irene Silvestrini
Valentina Anelli
Francesca Bambini
Caterina Buoso
Maria Cavadini
Massimiliano Ugoccioni
Maura Saullo
Fiorella Marini
Elena Gandossi
Andrea Delbarba
Ilenia Pirola
Carlo Cappelli
author_sort Virginia Maltese
collection DOAJ
description Graves’ disease (GD) and gestational transient thyrotoxicosis (GTT) are the most common causes of thyrotoxicosis during pregnancy, with prevalence ranging from 0.1% to 1% and from 1% to 3%, respectively. Hyperthyroidism during pregnancy can have severe consequences if not promptly recognized and treated. Even more severe, if possible, is the thyroid storm, a life-threatening complication of hyperthyroidism, characterized by severe and dramatic clinical manifestations of thyrotoxicosis. No prior history of thyroid disease, absence of GD stigmata, negative thyrotropin (TSH) receptor antibody levels, serum human chorionic gonadotropin (hCG) higher on average, and symptoms of emesis may lead to the diagnosis of GTT. Few cases of thyroid storm during pregnancy are reported in literature, mainly due to gestational trophoblastic disease. We report a rare and severe case of thyroid storm in a 24-year-old woman at 15 weeks’ gestation with twins, likely due to GTT, precipitated by acute myocarditis. Initially presenting with weakness, vomiting, and sinus tachycardia, the patient rapidly deteriorated into a life-threatening condition characterized by hypokalemia, myocardial injury, and severe thyrotoxicosis. Cardiac imaging later revealed acute myocarditis. Thyroid function stabilized at the end of the pregnancy, allowing discontinuation of methimazole. Both fetuses were delivered via emergency cesarean section at 36 weeks, with no significant congenital abnormalities. This case highlights the complexity of diagnosing and managing hyperthyroidism in twin pregnancies, particularly in the context of hyperemesis gravidarum (HG).
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spelling doaj-art-9a865f5641254375bc70646cc85ca3622025-01-18T00:00:02ZengWileyCase Reports in Endocrinology2090-651X2025-01-01202510.1155/crie/6298137An Unusual and Severe Thyrotoxicosis in a Twin Pregnancy: Fortune Favors the BraveVirginia Maltese0Elisa Gatta1Irene Silvestrini2Valentina Anelli3Francesca Bambini4Caterina Buoso5Maria Cavadini6Massimiliano Ugoccioni7Maura Saullo8Fiorella Marini9Elena Gandossi10Andrea Delbarba11Ilenia Pirola12Carlo Cappelli13Department of Clinical and Experimental SciencesDepartment of Clinical and Experimental SciencesDepartment of Clinical and Experimental SciencesDepartment of Clinical and Experimental SciencesDepartment of Clinical and Experimental SciencesDepartment of Clinical and Experimental SciencesDepartment of Clinical and Experimental SciencesDepartment of Clinical and Experimental SciencesSSD EndocrinologiaSSD EndocrinologiaSSD EndocrinologiaDepartment of Clinical and Experimental SciencesDepartment of Clinical and Experimental SciencesDepartment of Clinical and Experimental SciencesGraves’ disease (GD) and gestational transient thyrotoxicosis (GTT) are the most common causes of thyrotoxicosis during pregnancy, with prevalence ranging from 0.1% to 1% and from 1% to 3%, respectively. Hyperthyroidism during pregnancy can have severe consequences if not promptly recognized and treated. Even more severe, if possible, is the thyroid storm, a life-threatening complication of hyperthyroidism, characterized by severe and dramatic clinical manifestations of thyrotoxicosis. No prior history of thyroid disease, absence of GD stigmata, negative thyrotropin (TSH) receptor antibody levels, serum human chorionic gonadotropin (hCG) higher on average, and symptoms of emesis may lead to the diagnosis of GTT. Few cases of thyroid storm during pregnancy are reported in literature, mainly due to gestational trophoblastic disease. We report a rare and severe case of thyroid storm in a 24-year-old woman at 15 weeks’ gestation with twins, likely due to GTT, precipitated by acute myocarditis. Initially presenting with weakness, vomiting, and sinus tachycardia, the patient rapidly deteriorated into a life-threatening condition characterized by hypokalemia, myocardial injury, and severe thyrotoxicosis. Cardiac imaging later revealed acute myocarditis. Thyroid function stabilized at the end of the pregnancy, allowing discontinuation of methimazole. Both fetuses were delivered via emergency cesarean section at 36 weeks, with no significant congenital abnormalities. This case highlights the complexity of diagnosing and managing hyperthyroidism in twin pregnancies, particularly in the context of hyperemesis gravidarum (HG).http://dx.doi.org/10.1155/crie/6298137
spellingShingle Virginia Maltese
Elisa Gatta
Irene Silvestrini
Valentina Anelli
Francesca Bambini
Caterina Buoso
Maria Cavadini
Massimiliano Ugoccioni
Maura Saullo
Fiorella Marini
Elena Gandossi
Andrea Delbarba
Ilenia Pirola
Carlo Cappelli
An Unusual and Severe Thyrotoxicosis in a Twin Pregnancy: Fortune Favors the Brave
Case Reports in Endocrinology
title An Unusual and Severe Thyrotoxicosis in a Twin Pregnancy: Fortune Favors the Brave
title_full An Unusual and Severe Thyrotoxicosis in a Twin Pregnancy: Fortune Favors the Brave
title_fullStr An Unusual and Severe Thyrotoxicosis in a Twin Pregnancy: Fortune Favors the Brave
title_full_unstemmed An Unusual and Severe Thyrotoxicosis in a Twin Pregnancy: Fortune Favors the Brave
title_short An Unusual and Severe Thyrotoxicosis in a Twin Pregnancy: Fortune Favors the Brave
title_sort unusual and severe thyrotoxicosis in a twin pregnancy fortune favors the brave
url http://dx.doi.org/10.1155/crie/6298137
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