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hypothyroid myopathy

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https://www.readbyqxmd.com/read/28508608/myopathy-in-pediatric-thyroid-states-a-review-of-the-literature
#1
Elena Dingle, Resmy Palliyil-Gopi, Maria Contreras, Brenda Kohn, Preneet Cheema Brar
This review highlights the presentations of myopathy in children in both hypothyroid and hyperthyroid states with an emphasis on the pathophysiology, diagnosis and treatment. Based on our review of the literature data, myopathy should be considered in all children presenting with muscular weakness or altered muscle enzymes in the context of thyroid disease.
December 2016: Pediatric Endocrinology Reviews: PER
https://www.readbyqxmd.com/read/28491317/marathoning-with-myotonic-dystrophy-type-2-proximal-myotonic-myopathy-and-leukopenia
#2
Josef Finsterer, Georg Safoschnik, Martina Witsch-Baumgartner
OBJECTIVES: A mild, slowly progressive course of proximal myotonic myopathy, also known as myotonic dystrophy type 2, over years allowing the patient to continue with extreme sport activity, has been only rarely reported. METHODS: Case report. RESULTS: The patient is a 54-year-old female sport teacher who developed myotonia of the distal upper limbs at the age of 32 years. Over the following 22 years, myotonia spreaded to the entire musculature...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28405484/thyroid-associated-ophthalmopathy
#3
REVIEW
Esra Şahlı, Kaan Gündüz
Thyroid-associated ophthalmopathy is the most frequent extrathyroidal involvement of Graves' disease but it sometimes occurs in euthyroid or hypothyroid patients. Thyroid-associated ophthalmopathy is an autoimmune disorder, but its pathogenesis is not completely understood. Autoimmunity against putative antigens shared by the thyroid and the orbit plays a role in the pathogenesis of disease. There is an increased volume of extraocular muscles, orbital connective and adipose tissues. Clinical findings of thyroid-associated ophthalmopathy are soft tissue involvement, eyelid retraction, proptosis, compressive optic neuropathy, and restrictive myopathy...
April 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28348473/acute-onset-significant-muscle-weakness-in-a-patient-awaiting-liver-transplantation-look-for-statins
#4
Narendra S Choudhary, Sanjiv Saigal, Neeraj Saraf, Arvinder S Soin
Statins are commonly used drugs in patients with liver and cardiac disease. Statin-induced severe myopathy is a very uncommon presentation and rhabdomyolysis may occur in extreme cases which leads to renal failure. Patients with comorbidities like diabetes, hypothyroidism, and liver disease have higher chances of development of statin-induced myopathy. We describe a case of Child's C cirrhosis wherein the patient had acute onset significant muscle weakness and improved on statin discontinuation.
March 2017: Journal of Clinical and Experimental Hepatology
https://www.readbyqxmd.com/read/28285209/acute-large-bowel-pseudo-obstruction-due-to-atrophic-visceral-myopathy-a-case-report
#5
Sean M Wrenn, Charles S Parsons, Michelle Yang, Ajai K Malhotra
PURPOSE: Atrophic visceral myopathy is a pathological diagnosis characterized by atrophy of the smooth muscle layers of the viscera with intact ganglia. Rarely, it can present acutely as an intestinal pseudo-obstruction. We describe a rare case report and explore how this diagnosis can be distinguished from other forms of intestinal obstruction. CASE DESCRIPTION: A 60-year-old male with a past medical history of hypothyroidism presented to the emergency department with a two-day history of worsening abdominal distention and pain associated with nausea and vomiting...
February 27, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27899849/statin-therapy-review-of-safety-and-potential-side-effects
#6
REVIEW
Satish Ramkumar, Ajay Raghunath, Sudhakshini Raghunath
BACKGROUND: Hydroxymethyl glutaryl coenzyme A reductase inhibitors, commonly called statins, are some of the most commonly prescribed medications worldwide. Evidence suggests that statin therapy has significant mortality and morbidity benefit for both primary and secondary prevention from cardiovascular disease. Nonetheless, concern has been expressed regarding the adverse effects of long term statin use. The purpose of this article was to review the current medical literature regarding the safety of statins...
November 2016: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/27154040/hypothyroid-myopathy-a-peculiar-clinical-presentation-of-thyroid-failure-review-of-the-literature
#7
REVIEW
Alessandro Sindoni, Carmelo Rodolico, Maria Angela Pappalardo, Simona Portaro, Salvatore Benvenga
Abnormalities in thyroid function are common endocrine disorders that affect 5-10 % of the general population, with hypothyroidism occurring more frequently than hyperthyroidism. Clinical symptoms and signs are often nonspecific, particularly in hypothyroidism. Muscular symptoms (stiffness, myalgias, cramps, easy fatigability) are mentioned by the majority of patients with frank hypothyroidism. Often underestimated is the fact that muscle symptoms may represent the predominant or the only clinical manifestation of hypothyroidism, raising the issue of a differential diagnosis with other causes of myopathy, which sometimes can be difficult...
December 2016: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/27133661/characterization-of-sarcoplasmic-reticulum-ca-2-atpase-pumps-in-muscle-of-patients-with-myotonic-dystrophy-and-with-hypothyroid-myopathy
#8
V Guglielmi, A Oosterhof, N C Voermans, R Cardani, J P Molenaar, T H van Kuppevelt, G Meola, B G van Engelen, G Tomelleri, G Vattemi
Sarcoplasmic/endoplasmic reticulum Ca(2+) ATPase (SERCA) pumps play the major role in lowering cytoplasmic calcium concentration in skeletal muscle by catalyzing the ATP-dependent transport of Ca(2+) from the cytosol to the lumen of the sarcoplasmic reticulum (SR). Although SERCA abnormalities have been hypothesized to contribute to the dysregulation of intracellular Ca(2+) homeostasis and signaling in muscle of patients with myotonic dystrophy (DM) and hypothyroid myopathy, the characterization of SERCA pumps remains elusive and their impairment is still unclear...
June 2016: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/27041384/causes-of-creatine-kinase-levels-greater-than-1000%C3%A2-iu-l-in-patients-referred-to-rheumatology
#9
David Leverenz, Oana Zaha, Leslie J Crofford, Cecilia P Chung
Patients with severely elevated creatine kinase (CK) concentrations are commonly referred to rheumatologists to evaluate for the presence of an idiopathic inflammatory myopathy (IIM). However, no studies have evaluated the frequency with which IIMs are encountered in this clinical scenario. The Vanderbilt Synthetic Derivative, a de-identified copy of over 2 million patient records, was searched to identify adult patients with a CK greater than 1000 IU/L who had been evaluated by a rheumatologist. Each patient was assigned a diagnosis using a pre-determined algorithm...
June 2016: Clinical Rheumatology
https://www.readbyqxmd.com/read/26394732/a-rare-manifestation-of-hypothyroid-myopathy-hoffmann-s-syndrome
#10
Kang Won Lee, Sun Hwa Kim, Kyoung Jin Kim, Sang Hyun Kim, Hee Young Kim, Byung Jo Kim, Sin Gon Kim, Dong Seop Choi
Hypothyroid myopathy is observed frequently and the resolution of the clinical manifestations of myopathy following thyroid hormone replacement is well known. However, a specific subtype of hypothyroid myopathy, Hoffmann's syndrome, characterized by increased muscular mass (pseudohypertrophy), proximal muscle weakness, muscle stiffness and cramps, is rarely reported. Herein, we describe a 34-year-old male who presented with proximal muscle weakness and non-pitting edema of the lower extremities. He initially visited the neurology department where he was suspected of having polymyositis...
December 2015: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/26250555/hoffmann-s-disease-mr-imaging-of-hypothyroid-myopathy
#11
Jeewon Chung, Kyung-Sik Ahn, Chang Ho Kang, Suk-Joo Hong, Beak Hyun Kim
Hoffmann's syndrome is a hypothyroid myopathy presenting as muscle stiffness and hypertrophy. It is a rare complication of hypothyroidism. MRI features of this syndrome have seldom been described in the literature. We present a case of Hoffmann's syndrome in a 34-year-old man who underwent lower extremity contrast-enhanced MRI. MRI can demonstrate the hypertrophic configuration, T2 hyperintensity, and enhancement of the involved muscles in Hoffmann's syndrome. Along with clinical, laboratory, and electromyography findings, MRI may be helpful in distinguishing between inflammatory myopathy, myonecrosis, subacute muscle denervation, and infectious myositis...
November 2015: Skeletal Radiology
https://www.readbyqxmd.com/read/26181046/kocher-debr%C3%A3-semelaigne-syndrome-with-rhabdomyolysis-and-increased-creatinine
#12
Emine Ayça Cimbek, Yaşar Şen, Sevil Arı Yuca, Demet Çam, Celal Gür, Harun Peru
Association of Kocher-Debré-Semelaigne syndrome-a myopathy of hypothyroidism in childhood characterized by muscular hypertrophy, with rhabdomyolysis is very rare. We present a case of Kocher-Debré-Semelaigne syndrome with rhabdomyolysis secondary to Hashimoto's thyroiditis. He had muscular symptoms simulating poly/dermatomyositis, massively elevated creatine kinase (CK) levels and high creatinine levels. All of the findings reversed on treatment of hypothyroidism. The response to the therapy strongly suggested that Kocher-Debré-Semelaigne (KDS) syndrome was the underlying etiology...
November 1, 2015: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/26165912/association-of-van-wyk-grumbach-and-debre-semelaigne-syndromes-with-severe-hypothyroidism
#13
Alkim Oden Akman, Meltem Tayfun, Fatma Demirel, Seyit Ahmed Ucakturk, Ali Gungor
BACKGROUND: Van Wyk Grumbach syndrome (VWGS) and Kocher-Debre Semelaigne syndrome (KDSS) are rare forms of pseudo-precocious puberty and myopathy in patients with longstanding untreated hypothyroidism. We present the case of an adolescent girl who developed pseudo-precocious puberty and myopathy caused by long-term untreated hypothyroidism. CASE: A 17-year-old female patient was referred to our outpatient clinic due to menstrual irregularities. She had muscle pain and multiple cystic ovaries in addition to clinical signs of severe congenital hypothyroidism...
December 2015: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/25960964/rhabdomyolysis-in-the-setting-of-induced-hypothyroidism-and-statin-therapy-a-case-report
#14
Yaser Jbara, Dean Bricker
Mild elevation of creatine kinase (CK) is common in untreated hypothyroidism, but severe myositis and overt rhabdomyolysis are rare. Similarly, muscle pain and CK elevation are potential side effects of statin therapy, yet rhabdomyolysis is likewise rare in the absence of medication interactions adversely affecting statin metabolism. The coexistence of statin therapy and hypothyroid states may synergistically increase the risk of myopathy. We describe a case of rhabdomyolysis attributable to induced hypothyroidism in a patient on chronic statin medication who was anticipating adjuvant radioiodine ((131)I) therapy for a thyroid carcinoma...
March 2015: European Thyroid Journal
https://www.readbyqxmd.com/read/25920184/myopathy-in-patients-with-hashimoto-s-disease
#15
Jaqueline Villar, Héctor J Finol, Sonia H Torres, Antonio Roschman-González
Hashimoto thyroiditis (HT) is an autoimmune disease of the thyroid gland. Patients may present or not a hypothyroid state, and frequently have manifestations of myopathy. The present work was aimed to assess the clinical symptoms and signs of skeletal muscle alterations in HT, describe the muscular pathological changes and relate them to the functional thyroid status and to the autoimmune condition of the patient. Clinical and laboratory studies were performed in ten HT patients and three control subjects (hormonal levels and electromyography)...
March 2015: Investigación Clínica
https://www.readbyqxmd.com/read/25720940/circulating-irisin-concentrations-in-rat-models-of-thyroid-dysfunction-effect-of-exercise
#16
Doaa M Samy, Cherine A Ismail, Rasha A Nassra
OBJECTIVES: The speculation that the myokine irisin could regulate whole body energy expenditure led to the anticipation that irisin may have therapeutic potential in metabolic diseases. Regulation of irisin under conditions of metabolic derangements in altered thyroid status, and the changes in irisin response to exercise remain to be investigated. METHODS: Serum irisin concentration was measured in sixty male Wistar rats subjected to either sedentary life or 8-week chronic swimming exercise after induction of hyper- or hypothyroidism (10 rats/group)...
July 2015: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/25661286/thyroid-related-neurological-disorders-and-complications-in-children
#17
REVIEW
Debika Nandi-Munshi, Craig E Taplin
BACKGROUND: Thyroid hormones exert critical roles throughout the body and play an important and permissive role in neuroendocrine, neurological, and neuromuscular function. METHODS: We performed a PubMed search through June 2014 with search terms including "hypothyroidism," "hyperthyroidism," "neurological complications," "neuropathy," "myopathy," "congenital hypothyroidism," and "encephalopathy." Relevant publications reviewed included case series, individual case reports, systematic reviews, retrospective analyses, and randomized controlled trials...
April 2015: Pediatric Neurology
https://www.readbyqxmd.com/read/25640999/risk-identification-and-possible-countermeasures-for-muscle-adverse-effects-during-statin-therapy
#18
REVIEW
Paolo Magni, Chiara Macchi, Beatrice Morlotti, Cesare R Sirtori, Massimiliano Ruscica
The use of statins for cardiovascular disease prevention is clearly supported by clinical evidence. However, in January 2014 the U.S. Food and Drug Administration released an advice on statin risk reporting that "statin benefit is indisputable, but they need to be taken with care and knowledge of their side effects". Among them the by far most common complication is myopathy, ranging from common but clinically benign myalgia to rare but life-threatening rhabdomyolysis. This class side effect appears to be dose dependent, with more lipophilic statin (i...
March 2015: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/25577487/pregnancy-outcomes-in-dermatomyositis-and-polymyositis-patients
#19
Larissa Sayuri Missumi, Fernando Henrique Carlos de Souza, Joelma Queiroz Andrade, Samuel Katsuyuki Shinjo
BACKGROUND: Currently, there are few studies that describe pregnancy in dermatomyositis/polymyositis patients, and they are largely limited to case reports or studies with few samples. OBJECTIVES: Therefore, we describe the pregnancy in a large sample of patients with dermatomyositis/polymyositis and to analyze the outcomes in those who became pregnant during or after disease onset. METHODS: The present single-center study analyzed 98 female patients with idiopathic inflammatory myopathies (60 dermatomyositis and 38 polymyositis patients)...
March 2015: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/25459872/growth-hormone-replacement-therapy-in-costello-syndrome
#20
Panagiota Triantafyllou, Athanasios Christoforidis, Euthymia Vargiami, Dimitrios I Zafeiriou
Costello syndrome (CS) is considered an overgrowth disorder given the macrosomia that is present at birth .However, shortly after birth the weight drops dramatically and the patients are usually referred for failure to thrive. Subsequently, affected patients develop the distinctive coarse facial appearance and are at risk for cardiac anomalies and solid tumor malignancies. Various endocrine disorders, although not very often, have been reported in patients with CS, including growth hormone deficiency, hypoglycemia, ACTH deficiency, cryptorchidism and hypothyroidism...
December 2014: Growth Hormone & IGF Research
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