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Query: UMLS:C0018801 (heart failure)
 72,216 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A thyrotoxic patient who had received beta-adrenoceptor blockers pre-operatively suffered an episode of severe heart failure immediately following thyroidectomy and required artificial ventilation of the lungs for six hours. The possible causes are discussed and the likelihood of thyroid storm unmitigated by beta adrenergic blockade suggested.
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PMID:Thyroid storm during beta blockade. 671 83

To accurately evaluate thyroid disorders in pregnancy, the physician must understand the physiologic changes that occur both in thyroid gland size and in thyroid function tests. The effect of thyrotoxicosis on pregnancy outcome largely depends on whether metabolic control is achieved. Women who become euthyroid on treatment usually can expect satisfactory outcomes. Propylthiouracil is considered to be the drug of choice for treating thyrotoxicosis during pregnancy. Because of the significant risk of hypothyroidism and obvious goiter in the infant, the use of iodide should be reserved for severe disease, such as thyroid storm or heart failure. Thyrotoxic infants may need antithyroid treatment until TSAbs are metabolized. Since overt hypothyroidism is often associated with infertility, it is uncommon in pregnancy. Hypothyroid women who do become pregnant, however, have an increased risk of low-birth-weight or stillborn infants. These women may require a greater dosage of thyroid hormone during pregnancy. The effects of subclinical hypothyroidism are not well defined. Accordingly, the need for treatment hinges on the woman's clinical history. Infants of hypothyroid mothers usually show no evidence of thyroid dysfunction, but those who are hypothyroid should receive prompt thyroid replacement therapy. To minimize the sequelae of congenital hypothyroidism, mass screening of infants and prompt treatment of those affected is recommended. During pregnancy, thyroid nodules should be evaluated by ultrasound and fine-needle aspiration or tissue biopsy. Radioiodine scanning should be avoided during pregnancy. If thyroid cancer is diagnosed, pregnancy should not delay treatment. Because postpartum thyroid dysfunction is fairly common yet difficult to detect, physicians and patients should be aware of the symptoms and risk factors.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Thyroid disease in pregnancy. ACOG Technical Bulletin Number 181--June 1993. 790 64

Thyroid storm is a difficult diagnosis in "apathetic" variant of hyperthyroidism. The clinical features may not be evident. Abnormal atrioventricular (AV) conduction, such as complete heart block, in thyrotoxicosis is uncommon. We report a case of a 16-year-old girl presenting with fever, jaundice, heart failure and complete heart block in whom the diagnosis of thyroid storm was initially missed because of the unusual presenting features. Prompt resolution of the conduction abnormality occurred when treatment with carbimazole, intravenous iodide and dexamethasone was instituted.
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PMID:Thyroid storm presenting as jaundice and complete heart block. 991 55

A 39-year-old white man was referred to our hospital for evaluation of his jaundice and pruritus. The patient was treated with I for diffuse toxic goiter prior to his referral to our hospital. Clinical examination and laboratory investigations excluded viral hepatitis, autoimmune hepatitis, granulomatous disease, primary biliary disease, extrahepatic biliary obstruction, and heart failure. Liver biopsy showed severe intrahepatic and canalicular cholestasis with minimal inflammatory changes. The patient's jaundice promptly resolved with therapy for hyperthyroidism and thyroid storm as bilirubin levels decreased from 35 mg/dL (normal: 0.5-1.2 mg/dL) to 0.4 mg/dL. Thyrotoxicosis can be an uncommon cause of profound cholestasis. Our case differs from all other reports in the literature because of the severity of the cholestasis and its prompt resolution with treatment for thyrotoxicosis.
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PMID:Severe cholestatic jaundice in hyperthyroidism after treatment with 131-iodine. 1559 31

Patients with tachyarrythmias as a result of thyroid storm have been typically treated with beta-blockers to decrease the heart rate and alleviate beta-receptor mediated symptoms such as anxiety and tremulousness. We report an unusual case of a previously well young man presenting to the emergency department with atrial flutter and who was clinically hyperthyroid. The patient was treated with propanolol to control his heart rate but suffered cardiovascular collapse. Although the patient was successfully resuscitated, he required inotropic support and intra-aortic balloon pump. The use of propanolol should be carefully considered in patients with thyrotoxic cardiomyopathy especially in those with heart failure because of the risk of exacerbation.
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PMID:Thyrotoxic heart disease. 1680 43

We describe three cases of thyroid storm who developed sudden cardiorespiratory arrest soon after the administration of propranolol orally. CASE 1: A 43 years old Chinese lady presented with complaints of fever and chills. She had a urinary tract infection and also had signs of overt thyrotoxicosis. She was diagnosed to have thyroid storm and was started on oral propranolol, carbimazole and intravenous hydrocortisone and ceftriaxone. Soon after propranolol was given orally she developed an asystolic cardiorespiratory arrest. CASE 2: A 72 years old Chinese gentleman presented with confusion, fever and rapid atrial fibrillation. He was diagnosed to have thyroid storm and was started on oral propranolol, carbimazole and intravenous hydrocortisone and ceftriaxone. He developed a cardiorespiratory arrest about 6 hours after commencement of therapy. CASE 3: A 48-year-old Chinese gentleman presented with complains of dyspnoea and palpitations. He was diagnosed to have thyroid storm and was started on oral propranolol, carbimazole, intravenous hydrocortisone and antibiotics. About 12 hours after admission, he developed a cardiorespiratory arrest. All three patients developed cardiorespiratory arrest soon after the administration of propranolol orally. We conclude that in selective patients who have low output cardiac failure in association with severe thyrotoxicosis, it maybe advisable to avoid use of a beta blocker. A safer alternative is the use of ultra short-acting beta-blockers, such as intravenous esmolol, with extreme caution.
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PMID:Cardiovascular collapse associated with beta blockade in thyroid storm. 1770 86

A 65-year-old woman presented to the hospital with weight loss and diarrhea. A diagnosis of thyroid storm was established by the presence of fever, lethargy, tachycardia, heart failure (HF), and abnormal thyroid function tests. An acute coronary syndrome (ACS) was suspected because of anteroseptal ST-segment elevations on electrocardiogram and severe left ventricular (LV) dysfunction with apical dilation on echocardiogram. The ejection fraction (EF) was 25%. Treatment for ACS and HF was begun. Coronary arteriography revealed normal coronaries. Propylthiouracil and corticosteroids were added to treat thyrotoxicosis. On Day 4, repeat echocardiography confirmed an EF of 65% and complete resolution of LV dysfunction and cavity dilation. Reversible LV dysfunction and apical cavity dilation is consistent with Takotsubo cardiomyopathy. While commonly associated with psychological trauma, its association with thyroid storm has only been reported twice before. Knowledge of this possible association is of importance in establishing the diagnosis and instituting a proper treatment plan.
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PMID:An association between Takotsubo cardiomyopathy and thyroid storm. 1949 50

Thyroid hormones are sometimes used for purposes for which they are not approved. Reasons for off-label use can be overweight, prevailing depressive mood, or various somatic symptoms. Information about the intake of thyroid hormones in order to lose weight can be easily obtained from inappropriate/nonmedical websites. The objective of this case report is to describe the first case of a lethal abuse of liothyronine. The case was a 29-year-old male (BMI 32) without relevant illnesses. An autopsy was performed and followed by histological, toxicological, and clinical chemistry examinations. The autopsy revealed no relevant pathology. Histology showed multiple areas of focal cell necrosis in the myocardium and signs of acute heart failure including severe edema of the lungs; the follicles of the thyroid gland were markedly plump. Postmortem laboratory results indicated lethal liothyronine intoxication. Despite prevailing opinion, uncontrolled intake of liothyronine can cause lethal thyroid storm in a euthyroid patient without manifested cardiac illnesses.
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PMID:Lethal thyroid storm after uncontrolled intake of liothyronine in order to lose weight. 2014 40

Cardiac failure is the leading cause of mortality in patients with thyroid storm. But the underlying cardiac pathology is unclear. Here, we report a 46-year-old woman who presented with hyperpyrexia and sinus tachycardia subsequent to accidental neck contusion. Her hyperthyroidism was verified by abnormal biochemical changes. Despite vigorous antithyroid treatment including a beta-blocker, glucocorticoid and potassium iodide, the patient eventually succumbed to refractory congestive heart failure in 4 days. Autopsy revealed lymphocytic myocarditis. We propose that lymphocytic myocarditis played a prominent role in her demise.
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PMID:Thyroid storm and lymphocytic myocarditis. 2022 98

A 56-year-old woman with Graves' disease presented with the complaints of diarrhea and palpitations. Physical examination and laboratory data revealed hypothermia and signs of mild hyperthyroidism, heart failure, hepatic dysfunction with jaundice, hypoglycemia, and lactic acidosis. The patient was diagnosed as having developed the complication of thyroid storm in the absence of marked elevation of the thyroid hormone levels, because of the potential hepatic and cardiac dysfunctions caused by heavy alcohol drinking. A year later, after successful treatment, the patient remains well without any clinical evidence of heart failure or hepatic dysfunction. Thyroid storm associated with lactic acidosis and hypothermia is a serious condition and has rarely been reported. Prompt treatment is essential even if the serum thyroid hormone levels are not markedly elevated. We present a report about this patient, as her life could eventually be saved.
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PMID:A patient with Graves' disease who survived despite developing thyroid storm and lactic acidosis. 2073 31


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