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https://www.readbyqxmd.com/read/27922495/toxic-and-endocrine-myopathies
#1
Hans D Katzberg, Charles D Kassardjian
PURPOSE OF REVIEW: This article discusses the clinical features, pathophysiology, and management of toxic and endocrine myopathies. RECENT FINDINGS: Early detection and expeditious correction of metabolic disturbances in endocrinopathies such as Cushing syndrome, thyroid and parathyroid diseases, and acromegaly can minimize and prevent neurologic complications including myopathy. Recently proposed mechanisms of injury in patients with critical illness myopathy include inhibition of protein synthesis, mitochondrial dysfunction, disruption of the ubiquitin-proteasome system, oxidative stress, and disruption of intramuscular calcium homeostasis, which can cause a myosin-loss myopathy...
December 2016: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/27909107/parathyroid-disorders
#2
Morri E Markowitz, Lisa Underland, Robert Gensure
No abstract text is available yet for this article.
December 2016: Pediatrics in Review
https://www.readbyqxmd.com/read/27905644/requests-of-laboratory-tests-for-the-diagnosis-and-management-of-calcium-phosphate-disorders-in-spain
#3
María Salinas, Maite López-Garrigós, Emilio Flores, Joaquín Uris, Carlos Leiva-Salinas
BACKGROUND: Knowledge about the variability in the request of calcium-phosphate metabolism laboratory tests in primary care is important to design strategies to improve health system efficiency. AIM: To compare the inter-practice variability in calcium-phosphate metabolism laboratory tests requested by general practitioners from diverse regions across Spain. MATERIAL AND METHODS: One hundred and forty one clinical laboratories were invited to participate in an observational cross-sectional study...
August 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/27902586/neurological-psychological-and-cognitive-disorders-in-patients-with-chronic-kidney-disease-on-conservative-and-replacement-therapy
#4
Silvia Lai, Oriano Mecarelli, Patrizia Pulitano, Roberto Romanello, Leonardo Davi, Alessia Zarabla, Amalia Mariotti, Maria Carta, Giorgia Tasso, Luca Poli, Anna Paola Mitterhofer, Massimo Testorio, Nicla Frassetti, Paola Aceto, Alessandro Galani, Carlo Lai
Chronic kidney disease (CKD) is a highly prevalent condition in the world. Neurological, psychological, and cognitive disorders, related to CKD, could contribute to the morbidity, mortality, and poor quality of life of these patients. The aim of this study was to assess the neurological, psychological, and cognitive imbalance in patients with CKD on conservative and replacement therapy.Seventy-four clinically stable patients affected by CKD on conservative therapy, replacement therapy (hemodialysis (HD), peritoneal dialysis (PD)), or with kidney transplantation (KT) and 25 healthy controls (HC), matched for age and sex were enrolled...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27900734/lithium-side-effects-and-toxicity-prevalence-and-management-strategies
#5
REVIEW
Michael Gitlin
Despite its virtually universal acceptance as the gold standard in treating bipolar disorder, prescription rates for lithium have been decreasing recently. Although this observation is multifactorial, one obvious potential contributor is the side effect and toxicity burden associated with lithium. Additionally, side effect concerns assuredly play some role in lithium nonadherence. This paper summarizes the knowledge base on side effects and toxicity and suggests optimal management of these problems. Thirst and excessive urination, nausea and diarrhea and tremor are rather common side effects that are typically no more than annoying even though they are rather prevalent...
December 2016: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/27900568/control-of-phosphate-balance-by-the-kidney-and-intestine
#6
REVIEW
Ichiro Kaneko, Sawako Tatsumi, Hiroko Segawa, Ken-Ichi Miyamoto
The prevention and correction of hyperphosphatemia are major goals of the treatment of chronic kidney disease (CKD)-bone mineral disorders, and thus, Pi balance requires special attention. Pi balance is maintained by intestinal absorption, renal excretion, and bone accretion. The kidney is mainly responsible for the plasma Pi concentration. In CKD, reduced glomerular filtration rate leads to various Pi metabolism abnormalities, and Pi absorption in the small intestine also has an important role in Pi metabolism...
November 30, 2016: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/27896453/management-of-phosphorus-load-in-ckd-patients
#7
REVIEW
Yutaka Taketani, Fumihiko Koiwa, Keitaro Yokoyama
Disturbances in mineral and bone metabolism play a critical role in the pathogenesis of cardiovascular complications in patients with chronic kidney disease (CKD). The term "renal osteodystrophy" has recently been replaced with "CKD-mineral and bone disorder (CKD-MBD)", which includes vascular calcification as well as bone abnormalities. In Japan, proportions of the aged and long-term dialysis patients are increasing which makes management of vascular calcification and parathyroid function increasingly more important...
November 28, 2016: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/27895794/trousseau-s-syndrome-caused-by-bladder-cancer-producing-granulocyte-colony-stimulating-factor-and-parathyroid-hormone-related-protein-a-case-report
#8
Tomonori Kato, Kenji Yasuda, Hiroaki Iida, Akihiko Watanabe, Yasuyoshi Fujiuchi, Shigeharu Miwa, Johji Imura, Akira Komiya
The present study reports a rare case of bladder cancer that caused Trousseau's syndrome, a malignancy-associated hypercoagulative state leading to venous or arterial thrombosis. A 38-year-old Japanese female patient experienced a sudden onset of visual field defects and lower limb weakness. Cerebral magnetic resonance imaging revealed multi-regional hypointense areas compatible with acute cerebral infarction. Despite the repeated administration of anticoagulant treatment with heparin, the condition could not be adequately controlled and thromboembolic events occasionally recurred...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895088/hormonal-alterations-in-pcos-and-its-influence-on-bone-metabolism
#9
Abhaya Krishnan, Sridhar Muthusami
According to the World Health Organization (WHO) polycystic ovary syndrome (PCOS) occurs in 4-8% of women worldwide. The prevalence of PCOS in Indian adolescents is 12.2% according to ICMR (Indian Council of Medical Research) report. National Institute of Health documented that it affects approximately 5 million women of reproductive age in the United States . Hormonal imbalance is the characteristic of many women with polycystic ovarian syndrome. The impact of various endocrine changes in PCOS women and their relevance to bone remains to be documented...
November 28, 2016: Journal of Endocrinology
https://www.readbyqxmd.com/read/27894744/-vitamin-d-deficiency-and-morbimortality-in-critically-ill-paediatric-patients
#10
Patricia García-Soler, Antonio Morales-Martínez, Vanessa Rosa-Camacho, Juan Antonio Lillo-Muñoz, Guillermo Milano-Manso
OBJECTIVES: To determine the prevalence and risks factors of vitamin D deficiency, as well as its relationship with morbidity and mortality in a PICU. MATERIAL AND METHODS: An observational prospective study in a tertiary children's University Hospital PICU conducted in two phases: i: cohorts study, and ii: prevalence study. The study included 340 critically ill children with ages comprising 6 months to 16 years old. EXCLUSION CRITERIA: Chronic kidney disease, known parathyroid disorders, and vitamin D supplementation...
November 25, 2016: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/27881094/neutrophil-lymphocyte-ratio-is-associated-with-arterial-stiffness-in-patients-with-peritoneal-dialysis
#11
Kedan Cai, Qun Luo, Beixia Zhu, Lina Han, Dan Wu, Zhiwei Dai, Kaiyue Wang
BACKGROUND: Patients with peritoneal dialysis are in the persistent inflammation state and have elevated arterial stiffness. Neutrophil-lymphocyte ratio(NLR) is a new inflammatory marker in renal and cardiac disorders. Brachial-ankle pulse wave velocity (baPWV) is a non-invasive measurement, which is widely used as a surrogate marker of arterial stiffness. However, there is little evidence to show an association between NLR and baPWV in patients with peritoneal dialysis. The aim of this cross-section study was to investigate the relationship between NLR and arterial stiffness measured by baPWV in patients with peritoneal dialysis...
November 24, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27873072/cinacalcet-hydrochloride-relieves-hypercalcemia-in-japanese-patients-with-parathyroid-cancer-and-intractable-primary-hyperparathyroidism
#12
Yasuhiro Takeuchi, Shunsuke Takahashi, Daishu Miura, Makoto Katagiri, Noriaki Nakashima, Hiroko Ohishi, Ryutaro Shimazaki, Yoshihiro Tominaga
Pharmacological treatment of hypercalcemia is essential for patients with parathyroid carcinoma and intractable primary hyperparathyroidism (PHPT). Use of the calcimimetic cinacalcet hydrochloride (cinacalcet) is an option to treat such patients. We investigated the efficacy and safety of cinacalcet in Japanese patients with parathyroid carcinoma and intractable PHPT. Five Japanese patients with parathyroid carcinoma and two with intractable PHPT were enrolled in an open-label, single-arm study consisting of titration and maintenance phases...
November 21, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27857805/neuropsychiatric-phenotype-in-a-child-with-pseudohypoparathyroidism
#13
Paola Visconti, Annio Posar, Maria Cristina Scaduto, Angelo Russo, Federica Tamburrino, Laura Mazzanti
Pseudohypoparathyroidism (PHP) is a rare heterogeneous genetic disease characterized by end-organ resistance to parathyroid hormone. In adulthood, heterogeneous neurological and psychiatric disorders have been reported which are associated with hypoparathyroidism in general and with PHP in particular, while for childhood, data are scanty. We report a case of a boy with PHP type 1b, in whom neurological signs at the onset prevailed, characterized by tic-like dyskinesias associated with a series of heterogeneous not well-defined neurological and behavioral features, describing the diagnostic work-up performed and the follow-up...
July 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27857512/respiratory-manifestations-in-endocrine-diseases
#14
REVIEW
Codruţa Lencu, Teodora Alexescu, Mirela Petrulea, Monica Lencu
The control mechanisms of respiration as a vital function are complex: voluntary - cortical, and involuntary - metabolic, neural, emotional and endocrine. Hormones and hypothalamic neuropeptides (that act as neurotrasmitters and neuromodulators in the central nervous system) play a role in the regulation of respiration and in bronchopulmonary morphology. This article presents respiratory manifestations in adult endocrine diseases that evolve with hormone deficit or hypersecretion. In hyperthyroidism, patients develop ventilation disorders, obstructive and central sleep apnea, and pleural collection...
2016: Clujul Medical (1957)
https://www.readbyqxmd.com/read/27857062/identification-of-an-orally-active-small-molecule-pthr1-agonist-for-the-treatment-of-hypoparathyroidism
#15
Tatsuya Tamura, Hiroshi Noda, Eri Joyashiki, Maiko Hoshino, Tomoyuki Watanabe, Masahiko Kinosaki, Yoshikazu Nishimura, Tohru Esaki, Kotaro Ogawa, Taiji Miyake, Shinichi Arai, Masaru Shimizu, Hidetomo Kitamura, Haruhiko Sato, Yoshiki Kawabe
Parathyroid hormone (PTH) is essential for calcium homeostasis and its action is mediated by the PTH type 1 receptor (PTHR1), a class B G-protein-coupled receptor. Hypoparathyroidism and osteoporosis can be treated with PTH injections; however, no orally effective PTH analogue is available. Here we show that PCO371 is a novel, orally active small molecule that acts as a full agonist of PTHR1. PCO371 does not affect the PTH type 2 receptor (PTHR2), and analysis using PTHR1-PTHR2 chimeric receptors indicated that Proline 415 of PTHR1 is critical for PCO371-mediated PTHR1 activation...
November 18, 2016: Nature Communications
https://www.readbyqxmd.com/read/27833320/the-diagnostic-and-therapeutic-challenges-in-the-management-of-a-double-giant-parathyroid-adenoma
#16
Arvind Krishnamurthy, Urmila Majhi, Gomadaam Kuppusamy Rangarajan, Vijayalakshmi Ramshankar, Ramachandran Krishna Kumar
Primary hyperparathyroidism is a common endocrine disorder of the parathyroid gland. It is mostly seen as a single gland adenoma in up to 85% of the cases with the excess production of parathyroid hormone. Double adenomas although reported are very rare and double giant parathyroid adenomas are even rarer. We possibly report the second case in the literature of primary hyperparathyroidism caused by double giant parathyroid adenomas, presenting with severe symptomatic hypercalcemia and review the diagnostic and therapeutic challenges in its management...
October 2016: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/27832469/management-of-concomitant-hyperparathyroidism-and-thyroid-diseases-in-the-elderly-patients-a-retrospective-cohort-study
#17
Alessandra Panarese, Vito D'Andrea, Stefano Pontone, Pasqualino Favoriti, Daniele Pironi, Stefano Arcieri, Angelo Filippini, Salvatore Sorrenti
BACKGROUND: Thyroid disease and hyperparathyroidism are the most common endocrine disorders. The incidence of thyroid disease in patients with hyperparathyroidism ranges in the different series from 17 to 84%, and thyroid cancer occurs with an incidence ranging from 2 to 15%. AIM: The aim of our study was to analyze the management of elderly patients with concomitant thyroid and parathyroid disease in order to define the best surgical therapeutic strategy and avoid reoperations associated with a higher risk of complications...
November 10, 2016: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/27826053/renal-dysfunction-in-primary-hyperparathyroidism-effect-of-parathyroidectomy-a-retrospective-cohort-study
#18
C G Nair, M Babu, P Jacob, R Menon, J Mathew, Unnikrishnan
INTRODUCTION: Renal dysfunction associated with primary hyperparathyroidism was studied mostly in patients with mildly asymptomatic or asymptomatic parathyroid disorders. Clinical and biochemical profile of asymptomatic and symptomatic disease vary grossly. The present study analyzed renal function in patients with primary hyperparathyroidism and the relation with clinical features, biochemical features and sonologic changes of kidneys in a cohort of primary symptomatic hyperparathyroidism...
November 5, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27824326/99mtc-sestamibi-avid-soft-tissue-lesions-in-rosai-dorfman-disease
#19
Philip Kin-Wai Wong, Daniel J Lee, Saul Harari, Bruce J Barron
Langerhan's histiocytosis is a not uncommon disease, but a related disorder, Rosai-Dorfman (RDD) with extensive or exclusive extranodal distribution, is relatively rare. Ga and PET/CT imaging have typically been used for diagnosis and tracking response to treatment. The authors present a very unusual case wherein lesions of RDD actively accumulated Tc-sestamibi, which was injected as part of a scan to localize a parathyroid adenoma.
December 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27818277/comparison-of-the-effects-of-novel-vitamin-d-receptor-analog-vs-105-and-paricalcitol-on-chronic-kidney-disease-mineral-bone-disorder-in-an-experimental-model-of-chronic-kidney-disease
#20
Hideki Fujii, Yuriko Yonekura, Kentaro Nakai, Keiji Kono, Shunsuke Goto, Shinichi Nishi
When using vitamin D, the most important clinical problems are hypercalcemia, hyperphosphatemia, and vascular calcification. VS-105 is a novel vitamin D receptor (VDR) analog. In the present study, we compared the effects of VS-105 and paricalcitol on chronic kidney disease-mineral bone disorder (CKD-MBD) in a CKD rat model. We used male Sprague-Dawley (SD) rats and performed 5/6 nephrectomy at 8-9 weeks. At 10 weeks, the rats were classified into five groups and administered vehicle, low-dose paricalcitol (LP, 0...
November 3, 2016: Journal of Steroid Biochemistry and Molecular Biology
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