Psychosis Crisis Associated with Thyrotoxicosis due to Graves' Disease.
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ABSTRACT:
SUBMITTER: Urias-Uribe L
PROVIDER: S-EPMC5485298 | biostudies-other | 2017
REPOSITORIES: biostudies-other
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Project description:Psychosis, as the first presentation of thyrotoxicosis, is extremely rare. Consequently, it is often misdiagnosed as a primary psychiatric disorder, especially in developing countries with poor healthcare facilities. Owing to the high level of illiteracy and lack of knowledge, it is fairly common to ascribe many illnesses to spiritual attacks in Nigeria and other African countries, especially when the disease is rarely seen or is associated with psychiatric manifestations. Herein, we present the case of a teenage female Nigerian and review the literature on this subject.
| S-EPMC5554607 | biostudies-other
Project description:The effective management of Graves' disease (GD) during pregnancy is crucial for maternal and neonatal well-being. Conventional treatment of GD during pregnancy includes antithyroid drugs (ATDs) and surgery, ideally during the second trimester. We report a 27-year-old woman with GD and we present the course of GD during her three consecutive pregnancies. During the first pregnancy, thyrotoxicosis was successfully treated with low doses of antithyroid drugs; in the second pregnancy, thyrotoxicosis was only controlled at the third trimester; while in the third pregnancy, our patient presented with treatment-resistant thyrotoxicosis, which was finally managed with corticosteroids in adjunction with ATDs. Although hyperthyroid, the patient maintained her fertility. Resistance to ATD is a rare condition and in our case was adequately controlled with corticosteroids.
| S-EPMC6207494 | biostudies-other
Project description:BackgroundThe effects of hyperthyroidism on the heart are well documented, primarily consisting of supraventricular tachycardias, congestive heart failure, and dilated cardiomyopathy. Acute myopericarditis resulting from a hyperthyroid state is an uncommon but recognized association.Case summaryA 29-year-old man with a history of Graves' disease presented with chest pain and electrocardiogram changes suggestive of an infero-lateral ST-elevation myocardial infarction. However, emergent coronary angiography and bedside echocardiography were normal. Troponin-I was found to be >25 000 ng/L (normal value <57). Thyroid function tests showed a significantly raised free T4 and undetectable thyroid-stimulating hormone. Cardiovascular magnetic resonance (CMR) showed extensive myocardial oedema and late gadolinium enhancement (LGE) in keeping with acute myopericarditis, alongside an enlarged thyroid gland consistent with goitre. Propylthiouracil in combination with an angiotensin-converting enzyme inhibitor and beta-blocker were commenced and eventually definitive treatment with thyroidectomy was performed. Follow-up CMR at 6 months showed complete resolution of the prior noted oedema and a reduction in the location and extent of LGE with significant residual fibrosis.DiscussionAcute myopericarditis is a common diagnosis in young patients presenting with symptoms of chest pain with elevated troponin and is frequently related to a viral illness. Hyperthyroid states are also associated with acute myopericarditis and should be particularly considered in patients with a pre-existing thyroid condition or in those with symptoms suggestive of hyperthyroidism. Given the specific treatments required in a case of myopericarditis associated with hyperthyroidism, it is important to be aware of this association and consider screening where appropriate.
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Project description:Context:Accurate measurements of circulating hormones is essential for the practice of endocrinology. Immunometric assays employing the streptavidin-biotin system are widely used to measure hormones. However, these assays are susceptible to interference in patients taking biotin supplementations. This interference could mimic a coherent hormone profile, leading to misdiagnosis and unnecessary treatment. Case description:The patient, a 32-year-old man with X-linked adrenomyeloneuropathy recently diagnosed with Graves disease, was referred to our department to evaluate his response to antithyroid drugs. His thyroid function tests were still consistent with hyperthyroidism while he had been receiving carbimazole 40 mg/d for 6 weeks. We found no signs of thyrotoxicosis on physical examination despite the "frank and severe" biochemical hyperthyroidism. Noticing that all the patient's assays had been done at the same laboratory, we suspected assay interference. We therefore repeated the thyroid function tests at our hospital laboratory, which uses a different assay platform. Surprisingly, all the results were normal, confirming assay interference. The patient was taking an investigational "vitamin" therapy, which turned out to be biotin, prescribed at a dose of 100 mg tid as part of a trial of high-dose biotin in X-linked adrenomyeloneuropathy. Conclusions:This case should encourage physicians to ask their patients about possible biotin intake, especially when laboratory results are not compatible with clinical findings. If biotin interference is suspected, we propose either using a different assay not based on the streptavidin-biotin system or repeating the analyses after stopping biotin supplementation for one week.
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Project description:BACKGROUND: Wernicke's encephalopathy is a rare disorder resulting from nutrition deficiency in thiamine (vitamin B1). It is most often associated with chronic alcohol abuse. It can accompany other disorders such as hyperemesis gravidarum and hyperthyroidism. CASE: We present a case of severe Wernicke's encephalopathy that developed in a male non-alcoholic inpatient that was precipitated by poor nutritional intake and development of thyrotoxicosis. It is likely that the hypermetabolic state from thyrotoxicosis contributed to the development of Wernicke's encephalopathy, which was extremely debilitating. CONCLUSION: Wernicke's encephalopathy is a severe, life-threatening illness that can be a consequence of hyperthyroidism in addition to alcohol abuse and can be easily prevented with appropriate supplementation of thiamine.
| S-EPMC2173917 | biostudies-other
Project description:The thyroid-stimulating hormone receptor (TSHR) is a G protein-linked, 7-transmembrane domain (7-TMD) receptor that undergoes complex posttranslational processing unique to this glycoprotein receptor family. Due to its complex structure, TSHR appears to have unstable molecular integrity and a propensity toward over- or underactivity on the basis of point genetic mutations or antibody-induced structural changes. Hence, both germline and somatic mutations, commonly located in the transmembrane regions, may induce constitutive activation of the receptor, resulting in congenital hyperthyroidism or the development of actively secreting thyroid nodules. Similarly, mutations leading to structural alterations may induce constitutive inactivation and congenital hypothyroidism. The TSHR is also a primary antigen in autoimmune thyroid disease, and some TSHR antibodies may activate the receptor, while others inhibit its activation or have no influence on signal transduction at all, depending on how they influence the integrity of the structure. Clinical assays for such antibodies have improved significantly and are a useful addition to the investigative armamentarium. Furthermore, the relative instability of the receptor can result in shedding of the TSHR ectodomain, providing a source of antigen and activating the autoimmune response. However, it may also provide decoys for TSHR antibodies, thus influencing their biological action and clinical effects. This review discusses the role of the TSHR in the physiological and pathological stimulation of the thyroid.
| S-EPMC1180562 | biostudies-literature
Project description:Psychosis is a common non-motor symptom of Parkinson's disease whose pathogenesis remains poorly understood. Parkinson's disease in conjunction with psychosis has been shown to induce injury to extracorticospinal tracts as well as within some cortical areas. In this study, Parkinson's disease patients with psychosis who did not receive antipsychotic treatment and those without psychosis underwent diffusion tensor imaging. Results revealed that in Parkinson's disease patients with psychosis, damage to the left frontal lobe, bilateral occipital lobe, left cingulated gyrus, and left hippocampal white-matter fibers were greater than damage to the substantia nigra or the globus pallidus. Damage to white-matter fibers in the right frontal lobe and right cingulate gyrus were also more severe than in the globus pallidus, but not the substantia nigra. Damage to frontal lobe and cingulate gyrus white-matter fibers was more apparent than that to occipital or hippocampal fiber damage. Compared with Parkinson's disease patients without psychosis, those with psychosis had significantly lower fractional anisotropy ratios of left frontal lobe, bilateral occipital lobe, left cingu-lated gyrus, and left hippocampus to ipsilateral substantia nigra or globus pallidus, indicating more severe damage to white-matter fibers. These results suggest that psychosis associated with Par-kinson's disease is probably associated with an imbalance in the ratio of white-matter fibers be-tween brain regions associated with psychiatric symptoms (frontal lobe, occipital lobe, cingulate gyrus, and hippocampus) and those associated with the motor symptoms of Parkinson's disease (the substantia nigra and globus pallidus). The relatively greater damage to white-matter fibers in psychiatric symptom-related brain regions than in extracorticospinal tracts might explain why chosis often occurs in Parkinson's disease patients.
| S-EPMC4145938 | biostudies-other
Project description:Abstract Background The development of cardiogenic shock due to the coexistence of Takotsubo cardiomyopathy and thyroid crisis in patients has been scarcely reported. Case summary A 46-year-old female presented with chest pain, palpitations, nausea, and vomiting for 8 h. She was initially considered to have acute myocardial infarction due to elevated cardiac markers and abnormal electrocardiogram changes. Immediately after the coronary angiography revealed a normal coronary artery, the patient developed refractory cardiogenic shock. Echocardiography demonstrated a typical apical ballooning type of Takotsubo cardiomyopathy with a left ventricular ejection fraction (LVEF) of 32%. A combination of norepinephrine and dopamine and an intra-aortic balloon pump (IABP) was used to support haemodynamic stability but failed to improve the patient’s condition. Immediately after the laboratory tests revealed previously unknown hyperthyroidism on the second hospital day, a rapid atrial fibrillation (AF) suddenly occurred. Nifekalant successfully restored sinus rhythm in a short time. The patient persistently complained of chest tightness, palpitations, and sweating for the first 4 days until levosimendan and antithyroid crisis treatment were used. Discussion Takotsubo cardiomyopathy and thyroid crisis can co-occur and present as cardiogenic shock. In the presence of severe cardiac dysfunction and untreated hyperthyroidism, nifekalant is an ideal option for the new onset of AF. The combination of heart failure treatment and antithyroid crisis drugs can effectively restore cardiac function and is associated with good clinical outcomes.
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Project description:Nail-patella syndrome, also known as hereditary onycho-osteodystrophy, is a rare autosomal dominant disorder with pleiotropic phenotypic expression.The present report is of a nail-patella syndrome patient, a 26-year-old female, admitted to our NeuroMuscular Rehabilitation Clinic Division for neurological symptoms, secondary to a severe spondylolysthesis with bilateral L5 pedicle fracture. During hospitalization, she was also diagnosed with mild thyrotoxicosis, but interestingly enough, the bone mineral density, assessed at multiple sites, was quasi-normal.
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Project description:We present a rare case of chylothorax associated with an intrathoracic goiter in Graves' disease that was treated with radioactive iodine.A 23-year-old woman with Graves' disease was referred to our clinic with a pleural effusion, dyspnea, characteristic bilateral proptosis, and a diffuse goiter. The pleural fluid biochemistry was consistent with chylothorax. However, the chylothorax did not decrease with conservative therapy. Therefore, RAI was administered. Subsequently, the chylothorax and goiter improved more quickly than expected.This case illustrates that chylothorax associated with a substernal goiter in Graves' disease can be treated successfully with radioactive iodine instead of surgery.
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