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iPTH, calcium

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https://www.readbyqxmd.com/read/29674238/calcium-metabolism-serum-markers-in-adult-patients-with-epilepsy-and-the-effect-of-vitamin-d-supplementation-on-seizure-control
#1
Mario Tombini, Andrea Palermo, Giovanni Assenza, Giovanni Pellegrino, Antonella Benvenga, Chiara Campana, Anda Mihaela Naciu, Federica Assenza, Vincenzo Di Lazzaro
PURPOSE: To evaluate serum markers of calcium metabolism in adult patients with epilepsy (PWE) treated with antiepileptic drugs (AEDs) and the effect of vitamin D supplementation on seizure frequency. METHODS: Serum levels of calcium, phosphate, intact parathyroid hormone (iPTH) and 25-hydroxyvitamin D (25[OH]D) were compared in 160 PWE on chronic therapy with AEDs and 42 matched controls. Blood concentrations were analyzed taking into account the different features of epilepsy and treatment...
April 11, 2018: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29672176/prevalence-and-risk-factors-for-vascular-calcification-in-chinese-patients-receiving-dialysis-baseline-results-from-a-prospective-cohort-study
#2
Zhi-Hong Liu, Xue-Qing Yu, Jun-Wei Yang, Ai-Li Jiang, Bi-Cheng Liu, Chang-Ying Xing, Ji-Zhuang Lou, Mei Wang, Hong Cheng, Jun Liu, Jun-Zhou Fu, Ai-Hua Zhang, Miao Zhang, Qiao-Ling Zhou, Chen Yu, Rong Wang, Li Wang, Yu-Qing Chen, Tian-Jun Guan, Ai Peng, Chen Nan, Chuan-Ming Hao, Xu-Yang Cheng
OBJECTIVE: With limited data available on calcification prevalence in chronic kidney disease (CKD) patients on dialysis, the China Dialysis Calcification Study (CDCS) determined the prevalence of vascular/valvular calcification (VC) and association of risk factors in Chinese patients with prevalent hemodialysis (HD) or peritoneal dialysis (PD). METHODS: CKD patients undergoing HD/PD for ≥6 months were enrolled. Prevalence data for calcification and medical history were documented at baseline...
April 19, 2018: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29662200/targeting-sphingosine-1-phosphate-lyase-as-an-anabolic-therapy-for-bone-loss
#3
Sarah Weske, Mithila Vaidya, Alina Reese, Karin von Wnuck Lipinski, Petra Keul, Julia K Bayer, Jens W Fischer, Ulrich Flögel, Jens Nelsen, Matthias Epple, Marta Scatena, Edzard Schwedhelm, Marcus Dörr, Henry Völzke, Eileen Moritz, Anke Hannemann, Bernhard H Rauch, Markus H Gräler, Gerd Heusch, Bodo Levkau
Sphingosine-1-phosphate (S1P) signaling influences bone metabolism, but its therapeutic potential in bone disorders has remained unexplored. We show that raising S1P levels in adult mice through conditionally deleting or pharmacologically inhibiting S1P lyase, the sole enzyme responsible for irreversibly degrading S1P, markedly increased bone formation, mass and strength and substantially decreased white adipose tissue. S1P signaling through S1P2 potently stimulated osteoblastogenesis at the expense of adipogenesis by inversely regulating osterix and PPAR-γ, and it simultaneously inhibited osteoclastogenesis by inducing osteoprotegerin through newly discovered p38-GSK3β-β-catenin and WNT5A-LRP5 pathways...
April 16, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29644069/clinical-course-after-parathyroidectomy-in-adults-with-end-stage-renal-disease-on-maintenance-dialysis
#4
Christopher Thiam Seong Lim, Thevandra Kalaiselvam, Normayah Kitan, Bak Leong Goh
Background: Parathyroidectomy (PTX) is done in cases of secondary hyperparathyroidism from chronic kidney disease to improve renal osteodystrophy. Despite this widespread practice, clinical outcomes regarding the benefits of this procedure are still lacking. Most studies in the literature have opted to report the laboratory outcome instead. Our study aimed to evaluate the postoperative clinical course for patients who had undergone total PTX without autoimplantation. Methods and results: All patients who underwent PTX between January 2010 and February 2014 in a tertiary referral center were included in this study and followed up for 12 months...
April 2018: Clinical Kidney Journal
https://www.readbyqxmd.com/read/29622969/relationship-between-serum-osteoprotegerin-and-vascular-calcifications-in-hemodialysis-patients
#5
Tarek Z El Baz, Osama A Khamis, Amal El-Shehaby, Hussein Chahine, Ahmad Alaa Al-Din Ahmed, Mostafa A Alsawasany
Background: Uremia is a vasculopathic process, and both cardiac calcification and vascular calcification seen from the early stages of chronic kidney disease. Osteoprotegerin could play a crucial role in atherosclerotic plaque formation, maturation and calcification. The goal of this study was to determine the relationship of serum osteoprotegerin with vascular calcification in patients with end stage kidney disease who were maintained on regular hemodialysis. Methods: Sixty clinically stable chronic renal failure patients undergoing regular hemodialysis were enrolled in this cross sectional study...
June 2017: The Egyptian heart journal: (EHJ): official bulletin of the Egyptian Society of Cardiology
https://www.readbyqxmd.com/read/29608811/metastatic-pulmonary-calcification-experience-from-a-single-center-in-singapore
#6
Swee Ping Teh, Yuen Li Ng, Chau Ang Anthony Yii, Hui Lin Lina Choong, Jiunn Wong
Metastatic pulmonary calcification (MPC) was seen in 79% of patients with end-stage renal disease (ESRD) during autopsy. However, it is not commonly diagnosed in vivo. Its pathogenesis is not fully understood. We report a retrospective series of 5 cases of MPC from a single center in Singapore. MPC were diagnosed using radiological or histological features. Mean onset of MPC from diagnosis of ESRD was 22.6 ± 3.1 years. One patient remains asymptomatic. Four patients died, one was related to MPC. All patients had calcifications at the lung apices on radiological studies...
April 2, 2018: Hemodialysis International
https://www.readbyqxmd.com/read/29562938/vitamin-d-levels-and-parathyroid-hormone-variations-of-children-living-in-a-subtropical-climate-a-data-mining-study
#7
Ozlem Naciye Sahin, Muhittin Serdar, Mustafa Serteser, Ibrahim Unsal, Aysel Ozpinar
BACKGROUND: Vitamin D and intact parathyroid hormone (iPTH) play a crucial role in calcium homeostasis and bone health of children. Serum level of 25-hydroxyvitamin D (25-OHD) is considered to be the most accurate marker for vitamin D status. However, there have only been a few studies, with limited number of subjects, investigating the relationship between 25-OHD and parathyroid hormone (PTH) in children. The aim of this study was to evaluate the seasonal 25-OHD levels and its associations with intact parathyroid hormone (iPTH) in Turkish children at all pediatric ages; and then to define a critical decision threshold level for 25-OHD deficiency in Turkish children...
March 21, 2018: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/29461127/mibi-scintigraphy-of-parathyroid-adenomas-correlation-with-biochemical-and-histological-markers
#8
Michael Cordes, Otto Dworak, Thomas Papadopoulos, Stephan Coerper, Torsten Kuwert
PURPOSE: In this study, we tested the hypothesis that MIBI-positive and MIBI-negative adenomas of parathyroid glands (APGs) have distinct biochemical and histological markers that could help differentiate MIBI-positive from MIBI-negative APGs. PATIENTS AND METHODS: 40 patients with 41 APGs were included in the study. Patients were enrolled in the study after MIBI scintigraphy examinations had been carried out. Biochemical analyses included serum levels of calcium (Ca), intact parathyroid hormone (iPTH), and 25-hydroxyvitamin D3 (25-OH-D3)...
February 20, 2018: Endocrine Research
https://www.readbyqxmd.com/read/29453660/verification-of-candidate-microrna-markers-for-parathyroid-carcinoma
#9
Ya Hu, Xiang Zhang, Ming Cui, Zhe Su, Mengyi Wang, Quan Liao, Yupei Zhao
PURPOSE: Parathyroid carcinoma (PCa) is a rare endocrine malignancy with poor prognosis and is often difficult to accurately diagnose both before and after surgery. Dysregulated microRNA (miRNA) levels have been identified in PCa using a limited number of samples. The aim of the present study was to verify a group of miRNA markers in a new series of samples to explore their potential significance in PCa diagnosis. METHODS: A total of 58 tissue samples, including 17 PCa lesions and 41 sporadic parathyroid adenomas (PAds), were obtained from 56 primary hyperparathyroidism (pHPT) patients...
February 16, 2018: Endocrine
https://www.readbyqxmd.com/read/29442350/occult-phosphaturic-mesenchymal-tumor-of-femur-cortex-causing-oncogenic-osteomalacia-diagnostic-challenges-and-clinical-outcomes
#10
Deep Dutta, Raghuvansh Kumar Pandey, Rakhee Gogoi, Nagender Solanki, Renu Madan, Anupam Mondal, Shruti Dogra, Pradeep Thapa
BACKGROUND: Tumor induced osteomalacia (TIO) are extremely rare paraneoplastic syndrome with less than 300 reported cases. This report highlights the pitfalls and challenges in diagnosing and localizing TIO in patients with refractory and resistant osteomalacia. PATIENT AND METHODS: 41- year gentleman with 4-year history of musculoskeletal weakness and pathologic fractures presented in wheelchair bound incapacitated state of 1-year duration. Investigations were significant for severe hypophosphatemia, severe phosphaturia, normal serum calcium, reduced 1,25-dihydroxy vitamin-D, elevated ALP, elevated intact parathyroid hormone (iPTH), and pseudo-fractures involving pelvis and bilateral femur...
February 14, 2018: Endokrynologia Polska
https://www.readbyqxmd.com/read/29386306/brachial-ankle-pulse-wave-velocity-could-be-a-predictor-of-mortality-in-patients-on-peritoneal-dialysis
#11
Lailiang Wang, Qun Luo, Beixia Zhu, Fangfang Zhou
BACKGROUND AND OBJECTIVE: Elevated pulse wave velocity (PWV) has been associated with higher mortality in the general population, chronic kidney disease (CKD) patients, and hemodialysis patients. However, in peritoneal dialysis (PD) patients, this association has received little attention. The aim of this study was to evaluate the association between baseline brachial-ankle PWV (baPWV) levels and total mortality in PD patients. METHODS: In this single-center retrospective cohort study, 254 incident PD patients with baseline baPWV were followed up from 1 January 2013 to 31 July 2016...
January 31, 2018: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/29354913/-effects-of-auricular-plaster-therapy-on-quality-of-life-in-uremia-patients-after-parathyroidectomy-plus-autograft
#12
Li Li, Jin Wang, Yanlin Li
OBJECTIVE: To observe the effects of auricular plaster therapy on quality of life in uremia patients after parathyroidectomy plus autograft (PTX+AT). METHODS: A total of 34 uremia patients complicated with secondary hyperparathyroidism (SHPT) who received PTX+AT were randomly divided into an observation group and a control group, 17 cases in each one. The patients in the control group were treated with calcium supplementation after surgery, 1 to 2 mg/kg an hour; one day after surgery, the patients were treated with oral administration of calcium carbonate before meals, 1...
September 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29340322/paricalcitol-versus-calcifediol-for-treating-hyperparathyroidism-in-kidney-transplant-recipients
#13
Josep M Cruzado, Ricardo Lauzurica, Julio Pascual, Roberto Marcen, Francesc Moreso, Alex Gutierrez-Dalmau, Amado Andrés, Domingo Hernández, Armando Torres, Maria Isabel Beneyto, Edoardo Melilli, Anna Manonelles, Manuel Arias, Manuel Praga
Introduction: Secondary hyperparathyroidism (SHPT) and vitamin D deficiency are common at kidney transplantation and are associated with some early and late complications. This study was designed to evaluate whether paricalcitol was more effective than nutritional vitamin D for controlling SHPT in de novo kidney allograft recipients. Methods: This was a 6-month, investigator-initiated, multicenter, open-label, randomized clinical trial. Patients with pretransplantation iPTH between 250 and 600 pg/ml and calcium <10 mg/dl were randomized to paricalcitol (PAR) or calcifediol (CAL)...
January 2018: KI Reports
https://www.readbyqxmd.com/read/29336900/combined-use-of-a-nanocarbon-suspension-and-99m-tc-mibi-for-the-intra-operative-localization-of-the-parathyroid-glands
#14
Jun Chen, Qinyi Zhou, Jialin Feng, Jiadong Wang
OBJECTIVE: To investigate the combined use of a nanocarbon (NC) suspension and low-dose 99m Tc-MIBI for parathyroid localization during surgery in patients with secondary hyperparathyroidism (sHPT). METHODS: Between March 2010 and September 2015, 40 patients with sHPT were enrolled in this study and were randomized to receive either low-dose 99m Tc-MIBI+NC (group I) or low-dose 99m Tc-MIBI (group II). Pre- and post-operative serum levels of intact PTH (iPTH), calcium and phosphorus between groups were compared and the intra-operative radioactive counts of the parathyroid glands were measured...
March 2018: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29322018/a-nomogram-to-predict-the-likelihood-of-permanent-hypoparathyroidism-after-total-thyroidectomy-based-on-delayed-serum-calcium-and-ipth-measurements
#15
Antonio Sitges-Serra, Joaquín Gómez, Marcin Barczynski, Leyre Lorente-Poch, Maurizio Iacobone, Juan Sancho
Background: Retrospective studies have shown that delayed high-normal serum calcium and detectable iPTH are independent variables positively influencing outcome of prolonged parathyroid failure after total thyroidectomy (TT). The aim of the present study was to examine prospectively the ability of these two variables to predict permanent hypoparathyroidism in patients under replacement therapy for postoperative hypocalcemia. Methods: Prospective observational multicenter study of patients undergoing TT followed by postoperative parathyroid failure (serum calcium <8 mg/dL within 24 h and PTH <15 pg/mL 4 h after surgery)...
December 2017: Gland Surgery
https://www.readbyqxmd.com/read/29322017/clinical-profile-and-long-term-follow-up-of-32-patients-with-postoperative-permanent-hypoparathyroidism
#16
Leyre Lorente-Poch, Juan J Sancho, Leticia Carballo, Antonio Sitges-Serra
Background: Parathyroid failure is the most common complication after total thyroidectomy but permanent impairment of the parathyroid function is unusual. Limited data is available assessing long-term follow-up, quality of life and complications occurring in patients with permanent hypoparathyroidism (PH). We aimed to assess the incidence of complications derived from PH status, their influence on the quality of life perceived by PH patients and its relation to standard medical treatment with calcium salts and active vitamin D analogues...
December 2017: Gland Surgery
https://www.readbyqxmd.com/read/29295646/intensified-treatment-of-hyperphosphatemia-associated-with-reduction-in-parathyroid-hormone-in-patients-on-maintenance-hemodialysis
#17
Lan Chen, Jin-Xuan He, Ying-Ying Chen, Yi-Sheng Ling, Chun-Hua Lin, Tian-Jun Guan
BACKGROUND: This study investigated the therapeutic effect of intensive phosphorus-lowering therapy on intact-parathyroid hormone (iPTH) levels in hemodialysis patients. METHODS: Ninety-five hemodialysis patients with serum phosphorus ≥1.78 mmol/L and iPTH ≥300 pg/dL were apportioned to either the treatment or control group (n = 43 and 52, respectively) based on patient commitment to treatment. The treatment group was given phosphorus-lowering therapies with phosphate binders (lanthanum, sevelamer or/and calcium reagent) combined with dietary phosphate restriction and intensified hemodialysis...
November 2018: Renal Failure
https://www.readbyqxmd.com/read/29245308/total-parathyroidectomy-with-forearm-auto-transplantation-improves-the-quality-of-life-and-reduces-the-recurrence-of-secondary-hyperparathyroidism-in-chronic-kidney-disease-patients
#18
COMPARATIVE STUDY
Jia-Gen Li, Zhang-Sheng Xiao, Xian-Jie Hu, Yun Li, Xing Zhang, Song-Ze Zhang, Ai-Qin Shan
BACKGROUND: Our study aims to explore the effect of total parathyroidectomy (PTX) with forearm autotransplantation (FAT) on the quality of life and recurrence of secondary hyperparathyroidism (SHPT) in chronic kidney disease patients. METHODS: A total of 104 chronic kidney disease patients with SHPT were enrolled and divided into the PTX (n = 62) and PTX + FAT (n = 42) groups. The operation efficacy was evaluated by analyzing preoperative and postoperative values, including levels of intact parathyroid hormone (iPTH), serum phosphorus, serum calcium, alkaline phosphatase (ALP), calcium-phosphorus product, signs and symptoms, and MOS 36-item short-form health survey (SF-36) scores...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29243442/-regression-analysis-of-serum-bone-metabolic-markers-and-traditional-chinese-medicine-syndromes-in-patients-with-ckd-mbd
#19
Hai-Ming Yang, Xian-Jie Meng, Wei Wu, Ying-Lu Liu, Xiao-Juan Zhai
To analyze the interdependent relationship between serum bone metabolic markers and traditional Chinese medicine (TCM) syndromes in patients with chronic kidney disease (stages 3 and 4)-related mineral and bone disorder (CKD-MBD), in order to provide the objective basis for exploring the rules of TCM syndrome differentiation in patients with CKD-MBD. The retrospective survey was conducted to collect 105 cases with CKD (stages 3 and 4)-MBD. General clinical indexes, frequency of TCM syndromes and distribution of TCM syndrome type were investigated...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29216631/effect-of-cinacalcet-combined-with-calcitriol-on-the-clinical-outcome-and-bone-metabolism-in-patients-on-hemodialysis-with-severe-secondary-hyperparathyroidism
#20
Fang Yuan, Xing Chen, Chang Wang, Zheng Li, Hong Liu
OBJECTIVE: To observe the clinical outcome and the effect of bone metabolism of cinacalcet combined with calcitriol in maintenance hemodialysis (MHD) patients with severe secondary hyperparathyroidism (SHPT). METHODS: Thirty MHD patients with SHPT were enrolled into the study. All patients were given cinacalcet 25-75 mg and 0.5 μg calcitriol daily. Serum Ca, P, intact parathyroid hormone (iPTH), and bone metabolic markers were measured. The clinical symptoms and their changes were investigated...
December 7, 2017: Blood Purification
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