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Hypocalcaemia

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https://www.readbyqxmd.com/read/28342443/incidental-metastatic-mediastinal-atypical-carcinoid-in-a-patient-with-parathyroid-adenoma-a-case-report
#1
Zareen Kiran, Asma Ahmed, Owais Rashid, Saira Fatima, Faizan Malik, Saulat Fatimi, Mubassher Ikram
BACKGROUND: Atypical carcinoid arising from the mediastinal tissue is a rare neuroendocrine tumor and an association with parathyroid adenoma is very unusual. We report an unusual case of atypical carcinoid of mediastinum with metastasis in a patient presenting with parathyroid adenoma, which is the first case to be reported from Pakistan. CASE PRESENTATION: A 51-year-old Pakistani man was seen in postoperative intensive care after right parathyroidectomy and mediastinal mass resection for the management of postoperative hypocalcaemia...
March 26, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28323910/progressive-development-of-pth-resistance-in-patients-with-inactivating-mutations-on-the-maternal-allele-of-gnas
#2
Alessia Usardi, Asmaa Mamoune, Elodie Nattes, Jean-Claude Carel, Anya Rothenbuhler, Agnès Linglart
Background: PTH resistance is characterized by hypocalcaemia, hyperphosphatemia and elevated PTH in absence of vitamin D deficiency. Pseudohypoparathyroidism (PHP) type 1A (or iPPSD2, inactivating Signaling PTH/PTHrp Disorder 2 according to the new classification) is caused by mutations in the maternal GNAS allele. Objective: To assess PTH resistance over time in 20 patients affected by iPPSD2 (PHP1A), diagnosed because of family history, ectopic ossification or short stature and carrying a GNAS mutation...
February 21, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28304123/incidental-parathyroidectomy-during-total-thyroidectomy-is-not-a-direct-cause-of-post-operative-hypocalcaemia
#3
Carolyn Chew, Ran Li, Michael K Ng, Steven T F Chan, Bill Fleming
BACKGROUND: Post-operative hypocalcaemia is the most common complication after total thyroidectomy, with a reported incidence of transient hypocalcaemia up to 50% and permanent hypocalcaemia 1.5-4%. The impact of incidental parathyroidectomy (IPE) on post-operative hypocalcaemia remains controversial. This study evaluated the risk factors for IPE following total thyroidectomy and compared post-operative calcium levels serially between patients with and without IPE. METHODS: A retrospective analysis of patients undergoing total thyroidectomy from January 2009 to October 2016 at Western Health was conducted...
March 17, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28272855/a-fifteen-year-experience-of-total-thyroidectomy-for-the-management-of-simple-multinodular-goitres-in-a-low-medium-income-country
#4
A O Afolabi, O O Ayandipo, O O Afuwape, O A Ogundoyin
INTRODUCTION: Total thyroidectomy as a treatment for simple multinodular goitre is not well recognised in most centres in low middle income countries. METHOD: This paper is a retrospective review of outcomes of total thyroidectomy for simple multinodular goitres in the last fifteen years in a tertiary hospital in Nigeria. RESULTS: A total of 652 thyroidectomies were done from January 2001 to December 2015. Simple multinodular goitres were indication for a total thyroidectomy in 447 patients (68...
November 2016: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28259864/-an-attempt-to-identify-22q11-2-microdeletions-in-samples-of-the-hungarian-schizophrenia-dna-bank-by-multiplex-ligation-based-probe-amplification-mlpa-literature-review-methodology-and-results
#5
Izabella Klein, Katalin Szocs, Katalin Vincze, Judit Benkovits, Szilvia Somogyi, Levente Herman, Janos M Rethelyi
Schizophrenia is a severe debilitating psychiatric disorder, with a typical onset in adolescence or early adulthood. This condition is characterized by heterogeneous symptoms (hallucinations, delusions, disorganized behaviour, affective flattening, and social isolation) and a life-time prevalence of 0.5-1.2%. In spite of the efforts to uncover the etiology of the disorder, its pathogenesis and neurobiological background are poorly understood. Given the high heritability in schizophrenia, genetic research remains an important area of focus...
December 2016: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/28208891/outcomes-of-capsular-dissection-technique-with-use-of-bipolar-electrocautery-in-total-thyroidectomy-a-rural-tertiary-center-experience
#6
Amal T Das, S B Prakash, V Priyadarshini
INTRODUCTION: Total thyroidectomy is one of the most routinely performed head and neck surgical procedures with extremely low mortality. This procedure has been associated with two major complications such as recurrent laryngeal nerve injury and hypocalcaemia due to parathyroid insufficiency. The use of bipolar electrocautery has not been widely accepted in view of thermal damage to adjacent structures. AIM: To study the outcomes and complications of capsular dissection technique along with use of bipolar electrocautery in total thyroidectomy...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28196553/association-between-body-energy-content-in-the-dry-period-and-post-calving-production-disease-status-in-dairy-cattle
#7
G L Smith, N C Friggens, C J Ashworth, M G G Chagunda
The transition from gestation to lactation is marked by significant physiological changes for the individual cow such that disease incidence is highest in early lactation. Around the time of calving, cows rely on mobilisation of body energy reserves to fill the energy deficit created by an increase in nutrient demands at a time of restricted feed intake. It is well established that monitoring of body energy reserves in lactation is an important component of herd health management. However, despite their influence on future health and productivity, monitoring of body energy reserves in the dry period is often sparse...
February 15, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28179126/vitamin-d-deficiency-in-mothers-neonates-and-children
#8
Deena H Elsori, Majeda S Hammoud
Vitamin D is produced in response to the exposure of skin to sunlight through UV-B synthesis. It can also be obtained from diet and dietary supplements. Vitamin D is essential for strong bones as it helps to absorb calcium from diet. Vitamin D deficiency mainly occurs if strict vegetarian diet is followed as mostly the source of vitamin D is animal based; therefore, exposure to sunlight is restricted or having dark skin color. Low vitamin D levels results in increased possibility of gestational diabetes among pregnant women, low birth weight and pre-eclampsia in infants, and mothers may suffer bone impairment, osteoporosis, hypocalcaemia, and hypertension...
February 5, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28155099/inadvertent-parathyroidectomy-during-thyroid-surgery
#9
D M McGoldrick, M Majeed, A A Achakzai, H P Redmond
INTRODUCTION: Inadvertent parathyroidectomy is a recognised complication of thyroid surgery. We aimed to investigate the incidence of and risk factors for inadvertent parathyroidectomy during thyroid surgery, in our patient cohort. METHODS: A retrospective review of the records of all patients undergoing thyroid surgery in our institution between January 2012 and December 2014 was performed. Medical records, laboratory investigations and histopathology reports were evaluated...
February 2, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28145779/scan-directed-mini-incision-focused-parathyroidectomy-how-accurate-is-accurate-enough
#10
I M Shapey, S Jabbar, Z Khan, J E Nicholson, R J Watson
INTRODUCTION Mini-incision focused parathyroidectomy (MI-FP) is advocated as an alternative to bilateral neck exploration (BNE), owing to its reduced morbidity. The site and side of the affected gland is identified preoperatively using a combination of ultrasound and sestamibi scans. However, the acceptable degree of inter-scan concordance required to prompt MI-FP without compromising accuracy is undetermined. METHODS Accuracy of preoperative imaging was determined both individually and in combination for all parathyroidectomies (2007-2014)...
February 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28139363/surgical-management-of-primary-thyroid-tumours
#11
P Asimakopoulos, I J Nixon
The majority of patients who present with well differentiated thyroid cancer will require surgery, but decisions on the appropriate primary procedure will depend on information relating to patient, tumour and surgical factors. As the incidence of thyroid cancer continues to rise, it is critical that clinicians involved in the management of these cases understand the factors which underpin surgical decision making for individual patients. Reporting outcomes in well differentiated thyroid cancer (WDTC) has always been challenging due to the low recurrence and mortality rate of the disease...
January 19, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28122587/diseases-associated-with-calcium-sensing-receptor
#12
REVIEW
C Vahe, K Benomar, S Espiard, L Coppin, A Jannin, M F Odou, M C Vantyghem
The calcium-sensing receptor (CaSR) plays a pivotal role in systemic calcium metabolism by regulating parathyroid hormone secretion and urinary calcium excretion. The diseases caused by an abnormality of the CaSR are genetically determined or are more rarely acquired. The genetic diseases consist of hyper- or hypocalcemia disorders. Hypercalcaemia disorders are related to inactivating mutations of the CASR gene either heterozygous (autosomal dominant familial benign hypercalcaemia, still named hypocalciuric hypercalcaemia syndrome type 1) or homozygous (severe neonatal hyperparathyroidism)...
January 25, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28116073/protein-profiling-of-plasma-proteins-in-dairy-cows-with-subclinical-hypocalcaemia
#13
Ziling Fan, Shi Shu, Chuchu Xu, Xinhuan Xiao, Gang Wang, Yunlong Bai, Cheng Xia, Ling Wu, Hongyou Zhang, Chuang Xu, Wei Yang
Subclinical hypocalcaemia (SH) is an important metabolic disease in dairy cows that has a serious impact on production performance. The objective of this study was to investigate novel aspects of pathogenesis using proteomics technology to identify proteins that are differentially expressed in diseased and healthy animals. Dairy cows were divided into an SH group (T, n = 10) and a control group (C, n = 10) based on plasma calcium concentration. A total of 398 differentially expressed proteins were identified, of which 265 proteins were overlapped in the two parallel experiments...
2017: Irish Veterinary Journal
https://www.readbyqxmd.com/read/28098079/hyperthermic-intraperitoneal-chemotherapy-for-peritoneal-surface-malignancies-a-single-institution-indian-experience
#14
S P Somashekhar, G Prasanna, Rajshekhar Jaka, Amit Rauthan, H S Murthy, Sunil Karanth
BACKGROUND: Cytoreductive surgery followed by hyper- thermic intraperitoneal chemotherapy (HIPEC) has shown better oncological outcomes in peritoneal surface malignancies (PSM). We assessed the feasibility and perioperative outcomes of this procedure in Indian patients. METHODS: In this prospective observational study from February 2013 to April 2015, we included 56 patients (41 females, 73.2%) with PSM. They had a good performance status, were either treatment-naïve or previously treated by surgery and systemic chemotherapy...
September 2016: National Medical Journal of India
https://www.readbyqxmd.com/read/28094278/persistent-fibroblast-growth-factor-23-signalling-in-the-parathyroid-glands-for-secondary-hyperparathyroidism-in-mice-with-chronic-kidney-disease
#15
Kazuki Kawakami, Ai Takeshita, Kenryo Furushima, Masayasu Miyajima, Ikuji Hatamura, Makoto Kuro-O, Yasuhide Furuta, Kazushige Sakaguchi
Secondary hyperparathyroidism, in which parathyroid hormone (PTH) is excessively secreted in response to factors such as hyperphosphataemia, hypocalcaemia, and low 1,25-dihydroxyvitamin D (1,25(OH)2D) levels, is commonly observed in patients with chronic kidney disease (CKD), and is accompanied by high levels of fibroblast growth factor 23 (FGF23). However, the effect of FGF23 on the parathyroid glands (PG) remains controversial. To bind to FGF receptors, FGF23 requires αKlotho, which is highly expressed in the PG...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28078478/hypercalcaemia-and-hypocalcaemia-finding-the-balance
#16
REVIEW
Jean-Jacques Body, Daniela Niepel, Giuseppe Tonini
CALCIUM METABOLISM IN CANCER AND HYPERCALCAEMIA OF MALIGNANCY: The balance between bone formation and resorption may be disrupted in patients with cancer, leading either to increased bone resorption, calcium release, and possibly hypercalcaemia, or to increased bone formation, sequestration of calcium, and possibly hypocalcaemia. In adults, hypercalcaemia of malignancy is most common in patients with tumours that produce factors that induce osteoclast activation and enhance bone resorption...
January 12, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28064342/failure-of-fragmented-parathyroid-gland-autotransplantation-to-prevent-permanent-hypoparathyroidism-after-total-thyroidectomy
#17
Leyre Lorente-Poch, Juan Sancho, Jose Luis Muñoz, Lander Gallego-Otaegui, Carlos Martínez-Ruiz, Antonio Sitges-Serra
PURPOSE: Parathyroid autotransplantation during total thyroidectomy leads to higher rates of postoperative hypocalcaemia. It has been argued, however, that it prevents permanent hypoparathyroidism. The impact of autografted normal parathyroid gland fragments on long-term parathyroid status has not been assessed properly. To clarify this, the short- and long-term parathyroid function was assessed in patients with three glands remaining in situ after total thyroidectomy, in whom the fourth gland was either autotransplanted (Tx) or accidentally resected (AR)...
March 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28057872/a-phase-3-multicentre-randomized-double-blind-placebo-controlled-parallel-group-study-to-evaluate-the-efficacy-and-safety-of-etelcalcetide-ono-5163-amg-416-a-novel-intravenous-calcimimetic-for-secondary-hyperparathyroidism-in-japanese-haemodialysis-patients
#18
Masafumi Fukagawa, Keitaro Yokoyama, Takashi Shigematsu, Takashi Akiba, Akifumi Fujii, Takuto Kuramoto, Motoi Odani, Tadao Akizawa
BACKGROUND: Secondary hyperparathyroidism (SHPT) is a major complication associated with chronic kidney disease. We evaluated the efficacy and safety of etelcalcetide (ONO-5163/AMG 416), a novel intravenous calcimimetic, in Japanese haemodialysis patients with SHPT. METHODS: In this phase 3, multicentre, randomized, double-blind, placebo-controlled, parallel-group study, etelcalcetide was administered three times per week at an initial dose of 5 mg, and subsequently adjusted to doses between 2...
January 5, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28025639/evaluation-of-bone-metabolism-in-critically-ill-patients-using-ctx-and-pinp
#19
Alexandra Gavala, Konstantinos Makris, Anna Korompeli, Pavlos Myrianthefs
Background. Prolonged immobilization, nutritional and vitamin D deficiency, and specific drug administration may lead to significant bone resorption. Methods and Patients. We prospectively evaluated critically ill patients admitted to the ICU for at least 10 days. Demographics, APACHE II, SOFA scores, length of stay (LOS), and drug administration were recorded. Blood collections were performed at baseline and on a weekly basis for five consecutive weeks. Serum levels of PINP, β-CTx, iPTH, and 25(OH)vitamin D were measured at each time-point...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27978832/critical-illness-polyneuropathy-cip-in-neurological-early-rehabilitation-clinical-and-neurophysiological-features
#20
Simone B Schmidt, Jens D Rollnik
BACKGROUND: Critical illness polyneuropathy (CIP) is a complex disease affecting 30-70% of critically ill patients. METHODS: Clinical (Barthel index, length of stay (LOS), morbidity, duration of mechanical ventilation, routine lab results) and neurophysiological (neurography) data of 191 patients admitted to neurological early rehabilitation and diagnosed with CIP have been analyzed retrospectively. RESULTS: CIP diagnosis was correct in 159 cases (83%)...
December 15, 2016: BMC Neurology
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