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OBJECTIVE: Myxedema crisis (MC) is a rare condition. There is a dearth of data regarding the predictors of mortality in MC. Predictive scores for mortality specific to the clinical and biochemical profile of MC are still lacking. DESIGN AND METHODS: All consecutive patients presenting with MC from September 2006 to December 2020 comprised the new cohort. Patients managed between January 1999 and August 2006 comprised the old cohort. Both cohorts were compared for the determination of secular trends. Combined analysis of both the cohorts was done for clinico-demographic profile and predictors of mortality. Myxedema score (MS) and qSOFA (Quick Sequential Organ Failure Assessment) score were evaluated in all the patients. RESULTS: A total of forty-one patients (new cohort; n = 18 and old cohort; n = 23) were enrolled into the study. There was a female predominance (80.5%). Nearly half (51.2%) of the patients were newly diagnosed with hypothyroidism on admission. Overall mortality was 60.9%. On comparative analysis among survivors and non-survivors, female gender (OR 20.4, p value 0.018), need for mechanical ventilation (OR16.4, p value 0.009), in-hospital hypotension (OR 9.1, p value 0.020), and high qSOFA score (OR 7.1, p value 0.023) predicted mortality. MS of > 90 had significantly higher mortality (OR-11.8, p value - 0.026) while MS of > 110 had 100% mortality. There was no change in secular trends over last 20 years. There was no difference in outcome of patients receiving oral or IV levothyroxine. CONCLUSION: Myxedema crisis is associated with high mortality despite improvement in health care services. The current study is first to elucidate the role of the MS in predicting mortality in patients with MC.
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Hipotireoidismo , Mixedema , Sepse , Humanos , Feminino , Masculino , Mixedema/diagnóstico , Mixedema/complicações , Coma/complicações , Coma/diagnóstico , Hipotireoidismo/complicações , Tiroxina , Mortalidade Hospitalar , Sepse/complicações , Estudos RetrospectivosRESUMO
Myxedema coma is a life-threatening endocrine emergency with a high mortality rate resulting from severe insufficiency of thyroid hormones. Intravenous levothyroxine replacement is considered the standard therapy for myxedema coma in many countries. In Japan, however, although there are diagnostic criteria highly suggestive or diagnostic for myxedema coma, no management strategy has been established, despite the availability of levothyroxine. Here we report a 75-year-old man with a history of Alzheimer's disease and schizophrenia who developed somnolence and generalized edema. Except for a pulse rate of 60 bpm, his vital signs and blood oxygen level were stable. Thyroid studies showed an elevated serum thyrotropin level of 219.2 µU/mL and a decreased serum free-thyroxine level of 0.15 ng/dL. On this basis he was diagnosed as having hypothyroidism rather than being highly suggestive for myxedema coma. Daily oral levothyroxine 25 µg was initiated and increased to 50 µg 3 days later. Seven days after being started on levothyroxine, the patient suddenly developed impaired consciousness, hypoxemia, hypotension, hypothermia, and hyponatremia. Electrocardiography revealed junctional bradycardia with Osborne J-wave. Myxedema coma was therefore diagnosed. He went into cardiac arrest in the emergency room but was resuscitated. Despite subsequent intravenous administration of hydrocortisone and levothyroxine, as well as intensive supportive care, he eventually died 12 hours after hospital admission. This case illustrates some of the challenges associated with the management of patients with signs highly suggestive/diagnostic of myxedema coma, including the optimal loading dosage and intervention timing of thyroid hormone replacement.
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Hipotireoidismo , Mixedema , Idoso , Coma/complicações , Eletrocardiografia , Humanos , Hidrocortisona , Hipotireoidismo/complicações , Hipotireoidismo/diagnóstico , Hipotireoidismo/tratamento farmacológico , Masculino , Mixedema/complicações , Mixedema/diagnóstico , Mixedema/tratamento farmacológico , Hormônios Tireóideos , Tireotropina , TiroxinaRESUMO
BACKGROUND: Myxedema coma, which occurs due to hypothyroidism, is a rare and life-threatening condition. Some patients have hemodynamic dysfunction, which consequently leads to cardiac arrest. The rarity of this condition makes it difficult to determine the cause of cardiac arrest. It is important to diagnose myxedema coma based on clinical findings, including physical examination and laboratory parameters. We present a case of undiagnosed and untreated hypothyroidism that initially caused myxedema coma and then led to cardiac arrest. CASE PRESENTATION: A 56-year-old woman who had no medical history was transferred to our hospital for the management of return of spontaneous circulation due to sudden cardiac arrest. Findings of laboratory tests revealed that she had hypothyroidism. On physical examination, she was found to have a puffy face, thin eyebrows, and severe systemic non-pitting edema. Therefore, the patient was clinically diagnosed with myxedema coma, which was the cause of cardiac arrest. She was treated with thyroid hormone and hydrocortisone, resulting in improvement in her general condition, except for the neurological dysfunction. CONCLUSIONS: This case suggests that myxedema coma is caused by undiagnosed and untreated hypothyroidism, leading to sudden cardiac arrest. Our findings are useful in the differential diagnosis of hypothyroidism based on characteristic physical examination findings. Clinicians should be aware of the differential diagnosis of myxedema coma based on findings from physical examination and laboratory testing of thyroid function, and the treatment should be started immediately.
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Coma/etiologia , Morte Súbita Cardíaca/etiologia , Hipotireoidismo/complicações , Mixedema/etiologia , Coma/terapia , Diagnóstico Diferencial , Ecocardiografia , Eletrocardiografia , Feminino , Parada Cardíaca/diagnóstico , Parada Cardíaca/etiologia , Parada Cardíaca/terapia , Humanos , Hipotireoidismo/diagnóstico , Hipotireoidismo/terapia , Pessoa de Meia-Idade , Mixedema/diagnóstico , Mixedema/terapia , Radiografia Torácica , Tomografia Computadorizada por Raios XRESUMO
BACKGROUND: Decompensated hypothyroidism, formerly known as myxedema coma, is an endocrine emergency that commonly presents with altered mental status, as well as hypothermia and depressed vital signs. The condition is often caused by an inciting event, which may lead to significant delays in the diagnosis and management of this disease. Although the incidence is low, this disease is associated with significant morbidity and mortality. Therefore, it is important for emergency clinicians to be aware of this condition. OBJECTIVE: This narrative review evaluates the emergency medicine diagnosis and management of adult patients with decompensated hypothyroidism. DISCUSSION: Decompensated hypothyroidism is a severe hypothyroid state associated with multiple organ failure. The diagnosis can be challenging due to similarities with more common diseases and lack of consideration of the diagnosis. Many patients may present with altered sensorium or depressed vital signs. Clinicians should obtain a thyroid stimulating hormone and free thyroxine level when considering the diagnosis. Management involves resuscitation, early steroid supplementation, thyroid hormone replacement, and treatment of the inciting event. CONCLUSIONS: Decompensated hypothyroidism should be considered in the evaluation of patients with altered sensorium and depressed vital signs so as to not miss this critical diagnosis.
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Coma/etiologia , Medicina de Emergência/métodos , Hipotireoidismo/diagnóstico , Hipotireoidismo/terapia , Insuficiência de Múltiplos Órgãos/etiologia , Coma/diagnóstico , Coma/terapia , Terapia Combinada , Diagnóstico Diferencial , Emergências , Humanos , Hipotireoidismo/fisiopatologia , Insuficiência de Múltiplos Órgãos/diagnóstico , Insuficiência de Múltiplos Órgãos/terapia , Índice de Gravidade de DoençaRESUMO
CASE: 84-year-old woman had been diagnosed hypothyroidism before, but she did not take tablets of thyroid hormone prescribed. Anorexia and decreased consciousness level were discovered by workers of the facility. Her family doctor found thyroid function abnormality as a cause, and she was introduced to our hospital to treat because the whole body condition was bad. Her physical examination was observed that JCS was 3-10. Laboratory examination showed that TSH 562.81 µIU/mL, fT4 0.40 ng/mL, pH 7.33, and Na 124 mEq/L. It was not a contradictory finding with the diagnostic criteria of mucus edema coma. Blood and peritoneal dialysis is denied, although her data indicated eGFR 8-10 ml/min/1.73 m2. Her hospitalization was long-term, but exhibited finally good clinical course. After three months of hospitalization, she was discharged from the hospital. The problems were as follows. The clear guideline of myxedema coma with end-stage renal failure state and many complications was not found. She and her family did not hope dialysis under this condition.We treated a case of myxedema coma in a case of an elderly person with terminal renal failure who did not hope dialysis. In addition to myxedema coma as a rare disease, there are many basic diseases in the elderly. Although it was a difficult case, it is important to repeatedly confirm the explanation and the intention of the person and the family with regard to the selection of the treatment policy.
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Falência Renal Crônica , Mixedema , Idoso , Idoso de 80 Anos ou mais , Coma/etiologia , Feminino , Humanos , Mixedema/complicações , Diálise RenalRESUMO
Myxoedema coma is an endocrine emergency characterised by diminished sensorium associated with features of severe hypothyroidism. The disease carries a high mortality of 30%-60 %. The cardiac manifestation of the disease consists of bradycardia, hypotension, pericardial effusion and certain echocardiographic changes such as heart block and features of hypothermia. Here, we report a case of myxoedema coma with characteristic cardiac manifestations. These manifestations revert promptly on starting treatment, and achieving a eumetabolic status as was demonstrated in this patient.
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Almost every endocrine axis is influenced by pregnancy. The diagnosis in acute cases is challenging as the classical symptoms are often masked. Thyroid storm is found in only 1-2% of hyperthyroid parturients (0.1-0.4% of all pregnancies). Burch and Wartofsky scoring system is useful for the identification of thyroid storms. Myxedema coma is an extremely rare complication of overt hypothyroidism with a 20% mortality rate. Diabetic ketoacidosis usually reported in the second and third trimesters carries a risk of fetal loss in 10-25% of cases. The size of the tumor rises in 2.7% of microprolactinomas and 22.9% of macroprolactinomas during pregnancy. Adrenal insufficiency in pregnancy is usually caused by primary adrenal failure, which is mostly autoimmune in origin. Pheochromocytoma may present as preeclampsia during pregnancy. Unrecognized pheochromocytoma is associated with a maternal mortality rate of 50%. Shared decision-making and close coordination between critical care, anesthesiology, obstetrics, and endocrinology can help in assuring good maternal and fetal outcomes. How to cite this article: Singh AK, Sarkar S, Khanna P. Parturient with Endocrine Disorders in the Intensive Care Unit. Indian J Crit Care Med 2021;25(Suppl 3):S255-S260.
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Myxedema coma is a rare endocrine emergency resulting from the decompensation of severe hypothyroidism, which is associated with a high mortality rate. It is characterized by the deterioration of mental status, hypothermia, hypotension, hyponatremia, and hypoventilation. Early disease diagnosis and advancements in intensive supportive care have reduced the mortality rate. Besides intensive supportive care, appropriate management of the underlying thyroid hormone deficiency is essential. However, as the disease is rare and unrecognized, evidence-based treatment of myxedema has not yet been established in many countries. An 84-year-old Japanese man with a history of Hashimoto's thyroiditis was referred to our hospital. On arrival, conscious disturbance, hypothermia, hypotension, and hypoventilation were observed. He had discontinued thyroid hormone replacement therapy for a year. He was diagnosed with myxedema coma. Immediately, he received intensive supportive care and a combination therapy of 200 µg levothyroxine and 50 µg liothyronine until the fifth hospital day. Subsequently, monotherapy with levothyroxine was continued at a dose of 150 µg daily. The thyroid hormone level reached the normal range a few days later, and cardiovascular disease did not develop during hospitalization. This case demonstrated the efficacy of the combination of levothyroxine and liothyronine in treating myxedema coma.
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Coma/tratamento farmacológico , Mixedema/tratamento farmacológico , Tiroxina/uso terapêutico , Tri-Iodotironina/uso terapêutico , Idoso de 80 Anos ou mais , Quimioterapia Combinada , Doença de Hashimoto/tratamento farmacológico , Humanos , Masculino , Resultado do TratamentoRESUMO
Hypothyroidism is a frequently diagnosed and simply treated disease. If not recognised, however, in time it may develop into the most severe manifestation of hypothyroidism known as myxedema coma. The term "myxedema coma" is generally seen as misleading since most patients do not initially present in a coma. The typical progression is lethargy evolving into stupor and, eventually, into coma with respiratory failure and hypothermia. It mainly affects elderly women, often occurring in winter and is relatively rare. It can be considered a form of decompensated hypothyroidism often triggered by a variety of non-thyroid conditions or diseases provoking an extremely severe condition of multiple system failure with lethal consequences unless an early diagnosis is made and an aggressive treatment is administered.
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Coma/etiologia , Hipotireoidismo/complicações , Mixedema/etiologia , Coma/diagnóstico , Coma/fisiopatologia , Coma/terapia , Progressão da Doença , Humanos , Mixedema/diagnóstico , Mixedema/fisiopatologia , Mixedema/terapiaRESUMO
The COVID-19 pandemic was a major challenge for all health care employees, but it was also difficult for patients to gain access to health care services. Myxedema coma (MC) is an extremely rare but potentially fatal endocrine emergency. The aim of the study was to report an increased incidence of life-threatening myxedema coma that occurred in relation to the COVID-19 pandemic. In this paper, we report a cohort of 11 patients with MC who were treated at the University Hospital in Krakow, Poland, in the period from 2015 to 2023. Only 1 case of MC was recorded in the period from 2015 to 2019, and, in the same area, 10 cases of MC were recorded after the start of COVID-19 pandemic until present. Hypothyroidism was diagnosed de novo in 2 (18%) patients; the remaining patients were severely hypothyroid due to therapy non-compliance. Nine patients had primary hypothyroidism, and 2 had central hypothyroidism. Besides longstanding hypothyroidism, an additional precipitating factor for MC was identified in 4 (36%) of the patients. Due to the inaccessibility of parenteral levothyroxine, patients were treated with oral, mostly liquid, form of levothyroxine. The mortality rate in this cohort was 27.2%. In conclusion, the increase of the incidence of MC, which is a life-threatening complication of inadequately treated hypothyroidism, during the COVID-19 pandemic, when resources were limited, and in the post-pandemic era, underlines the importance of adequate communication with patients and of long-term availability of primary care for patients with thyroid disease.
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Myxedema coma (MC) is a potentially fatal complication of hypothyroidism, with a high mortality rate. It is a clinically diagnosed condition, where the symptoms are related to decreased metabolic effects due to low active thyroid hormones. This case report highlights a severe case of MC, despite the thyroid stimulating hormone (TSH) being normal and the free thyroxine (FT4) being very mildly decreased.
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Hypothermic patients are rarely encountered in the emergency department (ED), indicating a potentially critical condition requiring immediate attention and diagnosis. Myxedema coma, a severe complication of hypothyroidism, presents as profound hypothermia and demands early recognition and proper treatment. We report the case of a 77-year-old female with no prior medical history of hypothyroidism. She presented to the ED with a one-and-a-half-month history of weakness, hypothermia, decreased mental status, and edema. Laboratory analysis confirmed hypothyroidism, leading to a diagnosis of myxedema coma. Treatment with thyroxine and glucocorticoid supplements resulted in a favorable outcome without complications. In conclusion, myxedema coma should be considered in hypothermic patients with altered mental status, even without a history of hypothyroidism. Prolonged hypothyroidism or acute events like sepsis, cerebrovascular accidents, gastrointestinal bleeding, cold exposure, trauma, or certain medications can precipitate this condition, emphasizing the need for prompt treatment initiation.
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BACKGROUND: Myxedema coma is a rare, but life-threatening endocrinological emergency. Myxedema is characterized by altered mental status, and is accompanied by hypotension, bradycardia, hypothermia, bradypnea, hyporeflexia, hyponatremia, and hypoglycemia, all stemming from reduced metabolism due to severe hypothyroidism. Additionally, patients may exhibit signs of low cardiac output, edema in the extremities, peripheral circulatory disturbances, shock, and the development of pericardial and pleural effusions, ultimately leading to confusion and coma. We present a successfully treated case of severe myxedema coma with recurrent pericardial effusion and hypotensive shock. This case is characterized by an unusual clinical presentation and required a distinct treatment strategy highlighting its exceptional rarity. CASE: A 2-year-old boy with Down syndrome presented with recurrent pericardial effusion attributed to medication non-adherence. The critically-ill patient, experiencing a severe cardiogenic shock required mechanical ventilation and inotropic infusions in the pediatric intensive care unit. Elevated thyroid stimulating hormone (TSH), and low free T4 (fT4) and free T3 (fT3) levels prompted consideration of myxedema coma. Upon reviewing the patient's medical history, it was ascertained that he had an ongoing diagnosis of primary hypothyroidism, and exhibited non-adherence to the prescribed treatment regimen and failed to attend scheduled outpatient clinic appointments for follow-up assessments. The treatment plan, devised by the pediatric endocrinology team, included the peroral administration of L-thyroxine (L-T4) at a dose of 50 micrograms per day. After beginning regular oral L-T4 treatment, a gradual improvement in the patient's condition was observed. Notably, by the 15th day of oral therapy, the patient had made a full recovery. Contrary to the recommended intravenous treatment for myxedema coma, this patient was successfully treated with oral levothyroxine, due to the unavailability of the parenteral form in Türkiye. CONCLUSIONS: This case report presents an instance of non-adherence to L-T4 therapy, which subsequently progressed to severe myxedema coma. Changes in neurologic status and hemodynamic instability in a patient with a history of hypothyroidism should raise the concern of nonadherence and, though rare, myxedema coma should be in the differential diagnosis.
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Coma , Síndrome de Down , Mixedema , Derrame Pericárdico , Tiroxina , Humanos , Masculino , Mixedema/tratamento farmacológico , Mixedema/diagnóstico , Mixedema/complicações , Tiroxina/uso terapêutico , Tiroxina/administração & dosagem , Coma/etiologia , Coma/tratamento farmacológico , Pré-Escolar , Derrame Pericárdico/tratamento farmacológico , Derrame Pericárdico/etiologia , Derrame Pericárdico/diagnóstico , Síndrome de Down/complicações , Adesão à Medicação , Hipotireoidismo/tratamento farmacológico , Hipotireoidismo/complicaçõesRESUMO
Background: Hypothyroidism is a common endocrine condition and chronic thyroid hormone deficiency is associated with adverse effects across multiple organ systems. In compensated hypothyroidism, however, patients remain clinically stable due to gradual physiological adaptation. In contrast, the clinical syndrome of decompensated hypothyroidism referred to as myxedema coma (MC) is an endocrine emergency with high risk of mortality. Because of its rarity, there are currently limited data regarding MC. This study analyzes the clinical features and hospital outcomes of MC compared with hypothyroid patients without MC (nonMChypo) in national United States hospital data. Methods: A retrospective analysis of the National Inpatient Sample, a public database of inpatient admissions to nonfederal hospitals in the United States, 2016-2018, including adult patients with primary diagnosis of MC (International Classification of Diseases 10th Revision [ICD-10]: E03.5) or nonMChypo (E03.0-E03.9, E89.0). Patient demographics, relevant clinical features, mortality, length of stay (LOS), and hospital costs were compared. Results: Of 18,635 patients hospitalized for hypothyroidism, 2495 (13.4%) had a diagnosis of MC. Sex distribution and race/ethnicity were similar between patients with MC and nonMChypo, whereas MC was associated with older patient age (p = 0.02), public insurance (p = 0.01), and unhoused status (p = 0.04). More admissions with MC occurred in winter compared with other seasons (p = 0.01). The overall mortality rate for MC was 6.8% versus 0.7% for nonMChypo (p < 0.001), and MC was independently associated with in-hospital mortality after adjusted regression analysis (adjusted odds ratio = 9.92 [CI 5.69-17.28], p < 0.001). Mean LOS ± standard error was 9.64 ± 0.73 days for MC versus 4.62 ± 0.12 days for nonMChypo (p < 0.001), and total hospital cost for MC was $21,768 ± $1759 versus $8941 ± $276 for nonMChypo (p = 0.07). In linear regression analyses, MC was an independent predictor of both increased LOS and total hospital cost. Conclusions: In summary, MC remains a clinically significant diagnosis in the modern era, independently associated with high mortality and health care costs. This continued burden demonstrates a need for further efforts to prevent, identify, and optimize treatment for patients with MC.
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Hipotireoidismo , Mixedema , Adulto , Humanos , Estados Unidos/epidemiologia , Pacientes Internados , Mixedema/complicações , Mixedema/terapia , Estudos Retrospectivos , Coma/complicações , Coma/diagnóstico , Hipotireoidismo/complicações , Hipotireoidismo/epidemiologia , Tempo de InternaçãoRESUMO
An 82-year-old patient with multiple comorbidities presented to the emergency department with progressive dyspnea, orthopnea, and anorexia. Despite initial treatment for community-acquired pneumonia and decompensated heart failure, her condition deteriorated, manifesting as severe hypotension, bradycardia, and refractory hypothermia. A detailed medical history and extensive systematic investigation led to the documentation of hypothyroidism complicated by myxedema coma, in the context of chronic amiodarone use and precipitated by sepsis. Treatment with intravenous levothyroxine and glucocorticoids resulted in significant clinical improvement, leading to eventual hospital discharge. This case highlights the complexity and diagnostic challenges of myxedema coma, emphasizing the importance of early recognition, appropriate application of diagnostic scoring systems, and describing key aspects of the proper management of this rare endocrine emergency, whose symptoms and clinical signs are nonspecific.
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Endocrine emergencies encompass a group of conditions that occur when hormonal deficiency or excess results in acute presentation. If these endocrine disorders are not rapidly identified or if specific treatment is delayed, significant complications or even death may occur. This article outlines the basics of endocrine emergencies involving the thyroid, parathyroid, pituitary, pancreas, and adrenal glands. It discusses various causative factors, diagnostic approaches, and treatment modalities, emphasizing the significance of preventive measures. This article is aimed at guiding health care professionals, and this overview seeks to enhance understanding and improve patient outcomes in managing endocrine emergencies.
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Emergências , Doenças do Sistema Endócrino , Humanos , Doenças do Sistema Endócrino/diagnóstico , Doenças do Sistema Endócrino/terapia , Atenção Primária à Saúde/organização & administração , Doenças das Glândulas Suprarrenais/diagnóstico , Doenças das Glândulas Suprarrenais/terapiaRESUMO
Euthyroid sick syndrome (ESS), also referred to as nonthyroidal illness syndrome, is an intriguing condition characterized by dysregulation of thyroid hormones despite normal thyroid gland function. It is diagnosed by low serum triiodothyronine levels, and, in some cases, other thyroid hormones such as thyroxine and thyroid-stimulating hormone may be affected. This condition arises via various physiologic mechanisms and is associated with intensive care unit (ICU) admissions, caloric deprivation, and severe illness. Myxedema coma (MC) is a rare medical emergency with a high mortality rate. It is caused by severe hypothyroidism, resulting in multiorgan failure with features including adrenal insufficiency, thermal dysregulation, and altered mentation. Generally, it is observed in untreated and poorly managed cases of hypothyroidism. However, stress from infections, surgical procedures, and medical comorbidities may precipitate this condition. It is particularly uncommon to see MC arise in the setting of ESS, especially in a patient with no history of thyroid disease, which makes this diagnosis easy to miss. In our case, a 36-year-old female presented with septic shock and was admitted to the ICU, where she subsequently developed ESS and features of MC. This case report aims to explore the risk factors, features, and diagnostic and therapeutic management of these conditions, as well as the diagnostic challenges that arise when these diseases present simultaneously.
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Myxedema coma is a rare and life-threatening consequence of severe hypothyroidism, often precipitated by physiologic stressors. While cardiac manifestations are common, they are typically reversible with prompt treatment. Here, we report a case of a 23-year-old male with untreated hypothyroidism who presented with myxedema coma-induced cardiomyopathy leading to refractory cardiogenic shock requiring veno-arterial extracorporeal membrane oxygenation (VA-ECMO) and, ultimately, orthotopic heart transplantation (OHT). Our case highlights a rare occurrence of refractory shock necessitating mechanical support as a bridge to a cardiac transplant. We emphasize early recognition, aggressive management, and a low threshold to escalate care to mitigate the high mortality associated with myxedema coma.
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This article includes a review of information primary care physicians need to know direct their evaluation and treatment of thyroid disorders that include sick euthyroid, hyperthyroidism, hypothyroidism, and subclinical thyroid disorders.
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Atenção Primária à Saúde , Doenças da Glândula Tireoide , Humanos , Doenças da Glândula Tireoide/diagnóstico , Doenças da Glândula Tireoide/terapia , Atenção Primária à Saúde/organização & administração , Hipertireoidismo/diagnóstico , Hipertireoidismo/terapia , Hipotireoidismo/diagnóstico , Hipotireoidismo/terapia , Hipotireoidismo/tratamento farmacológico , Testes de Função TireóideaRESUMO
This study details the development of severe post-partum hypothyroidism exacerbating psychogenic non-epileptiform seizures (PNES) and culminating in myxedema coma. A 29-year-old female with a history of anxiety, attention-deficit/hyperactivity disorder (ADHD), and post-partum depression presented with confusion, aphasia, and severe bilateral leg cramping five months following vaginal delivery. Initial laboratory tests indicated elevated creatine kinase (CK) levels, suggestive of non-traumatic rhabdomyolysis. Subsequent seizure-like episodes and the absence of epileptiform activity on the electroencephalogram (EEG) raised suspicions of PNES. Further investigation upon readmittance to the hospital revealed a thyroid-stimulating hormone (TSH) level of 216 mIU/L (range: 0.4-4.0 mIU/L), free thyroxine (T4) level of 0.2 ng/dL (range: 0.8-1.8 ng/dL), and a CK level of 2083 U/L (range in females: 30-150 U/L), indicating severe hypothyroidism with myopathy. Reintroducing levothyroxine (Synthroid), which was previously discontinued during pregnancy, rapidly resolved her symptoms, supporting suspicions that her non-epileptic seizures and myopathy were both caused by her underlying severe post-partum hypothyroidism. She was maintained on levothyroxine with only one seizure-like episode following hospital discharge. This case illustrates the importance of a thorough endocrine assessment in patients with neuropsychiatric presentations, particularly in the peripartum period. It highlights the potential for severe thyroid dysfunction to manifest as PNES, emphasizing the complexity of diagnosing and managing such cases. The findings advocate for a multidisciplinary approach to evaluating post-partum females with neurological and psychiatric symptoms and provide evidence for the link between thyroid disorders and PNES, advocating for a nuanced approach in similar clinical scenarios.