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Hypomagnesemia

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https://www.readbyqxmd.com/read/28070473/renal-infiltration-by-diffuse-large-b-cell-lymphoma-as-a-rare-cause-of-fanconi-s-syndrome-a-case-report
#1
Shoab Saadat, Syed Nayer Mahmud, Asim Qureshi
We report the case of a 16-year-old female patient with a known history of coeliac disease, who presented with the complaints of diarrhea, vomiting and generalized body weakness. On examination, she was found to have dehydration, decreased power in all her limbs, cervical lymphadenopathy and hepatosplenomegaly. Investigations showed severe hypokalemia, hyponatremia, hypomagnesemia, hypoglycemia and mildly enlarged kidneys on ultrasonography. Biopsy of the duodenum confirmed the flare up of coeliac disease, while cervical lymph node biopsy was positive for atypical lymphoid infiltrate and a morphology suggestive of non-Hodgkin's lymphoma...
November 30, 2016: Curēus
https://www.readbyqxmd.com/read/28053702/outcomes-of-an-inpatient-refeeding-protocol-in-youth-with-anorexia-nervosa-rady-children-s-hospital-san-diego-university-of-california-san-diego
#2
Tamara R Maginot, Maya M Kumar, Jacqueline Shiels, Walter Kaye, Kyung E Rhee
BACKGROUND: Current guidelines for nutritional rehabilitation in hospitalized restrictive eating disorder patients recommend a cautious approach to refeeding. Several studies suggest that higher calorie diets may be safe and effective, but have traditionally excluded severely malnourished patients. The goal of this study was to evaluate the safety of a higher calorie nutritional rehabilitation protocol (NRP) in a broad sample of inpatients with restrictive eating disorders, including those who were severely malnourished...
2017: Journal of Eating Disorders
https://www.readbyqxmd.com/read/28049899/the-incidence-of-cisplatin-induced-hypomagnesemia-in-cervical-cancer-patients-receiving-cisplatin-alone
#3
Yoshihiro Yamamoto, Kazushi Watanabe, Hiroshi Matsushita, Ikuto Tsukiyama, Katsuhiko Matsuura, Akihiko Wakatsuki
 Hypomagnesemia is one side effect in patients receiving cisplatin. However, there are few reports of cisplatin-induced hypomagnesemia in Japan. We retrospectively investigated the incidence of hypomagnesemia and nephrotoxicity in patients undergoing radiation therapy who were treated with cisplatin alone (dosage: 40 mg/m(2), administration interval: 1 week) for cervical cancer. Thirty-two patients undergoing radiation therapy who received cisplatin alone for cervical cancer between January 2012 and May 2016 at Aichi Medical University Hospital were included...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/28043617/bedaquiline-in-the-multidrug-resistant-tuberculosis-treatment-belarus-experience
#4
Alena Skrahina, Hennadz Hurevich, Dennis Falzon, Liudmila Zhilevich, Valiantsin Rusovich, Masoud Dara, Svetlana Setkina
BACKGROUND/OBJECTIVE: Outcomes of treatment for multidrug-resistant tuberculosis (MDR-TB) remain poor worldwide. Among patients with MDR-TB in Belarus who started treatment in 2012, only 54% completed it successfully, with treatment failure reported in 22% of the patients; additionally, 11% died and 13% were lost to follow-up or remained unevaluated. In Belarus, to improve outcomes, bedaquiline was introduced in MDR-TB treatment in June 2015. The national TB program developed measures to monitor safety and effectiveness of bedaquiline-containing regimens in line with the World Health Organization recommendations...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28039534/hypomagnesemia-and-increased-risk-of-new-onset-diabetes-mellitus-after-transplantation-in-pediatric-renal-transplant-recipients
#5
Wesley Hayes, Sheila Boyle, Adrian Carroll, Detlef Bockenhauer, Stephen D Marks
BACKGROUND: New-onset diabetes after transplantation (NODAT) is a significant co-morbidity following kidney transplantation. Lower post-transplant serum magnesium levels have been found to be an independent risk factor for NODAT in adult kidney transplant recipients. METHODS: We undertook a retrospective analysis of risk factors for NODAT in pediatric renal transplant recipients at our institution with the aim of determining if hypomagnesemia confers a significant risk of developing NODAT in this patient population...
December 30, 2016: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28033128/renal-function-of-cyclin-m2-mg2-transporter-maintains-blood-pressure
#6
Yosuke Funato, Daisuke Yamazaki, Hiroaki Miki
OBJECTIVES: Epidemiological studies have shown that magnesium intake/excretion is inversely correlated with blood pressure (BP), and artificial supplementation of magnesium was able to prevent hypertension. However, there has been no molecular genetic study showing the importance of magnesium homeostasis in BP regulation. METHODS: We analyzed magnesium content and BP of mice lacking genes encoding cyclin M (CNNM) Mg transporter family proteins. RESULTS: Systemic heterozygotes and the kidney-specific homozygotes for Cnnm2-deficient alleles are both viable and show hypomagnesemia, indicating the important function of CNNM2 in maintaining magnesium homeostasis in the kidney...
December 28, 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/28018459/a-novel-mutation-of-clcnkb-in-a-korean-patient-of-mixed-phenotype-of-bartter-gitelman-syndrome
#7
Hee-Won Cho, Sang Taek Lee, Heeyeon Cho, Hae Il Cheong
Bartter syndrome (BS) is an inherited renal tubular disorder characterized by low or normal blood pressure, hypokalemic metabolic alkalosis, and hyperreninemic hyperaldosteronism. Type III BS is caused by loss-of-function mutations in CLCNKB encoding basolateral ClC-Kb. The clinical phenotype of patients with CLCNKB mutations has been known to be highly variable, and cases that are difficult to categorize as type III BS or other hereditary tubulopathies, such as Gitelman syndrome, have been rarely reported...
November 2016: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28012118/risk-factors-for-qtc-prolongation-systematic-review-of-the-evidence
#8
Eline Vandael, Bert Vandenberk, Joris Vandenberghe, Rik Willems, Veerle Foulon
Background QTc-interval prolongation has been associated with serious adverse events, such as Torsade de Pointes and sudden cardiac death. In the prevention of QTc-prolongation, special attention should go to high-risk patients. Aim of the review The aim of this review is to summarize and assess the evidence for different risk factors for QTc-prolongation (demographic factors, comorbidities, electrolytes, QTc-prolonging medication). Methods Potential studies were retrieved based on a systematic search of articles published until June 2015 in the databases Medline and Embase...
December 23, 2016: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/28003083/gitelman-syndrome-consensus-and-guidance-from-a-kidney-disease-improving-global-outcomes-kdigo-controversies-conference
#9
Anne Blanchard, Detlef Bockenhauer, Davide Bolignano, Lorenzo A Calò, Etienne Cosyns, Olivier Devuyst, David H Ellison, Fiona E Karet Frankl, Nine V A M Knoers, Martin Konrad, Shih-Hua Lin, Rosa Vargas-Poussou
Gitelman syndrome (GS) is a rare, salt-losing tubulopathy characterized by hypokalemic metabolic alkalosis with hypomagnesemia and hypocalciuria. The disease is recessively inherited, caused by inactivating mutations in the SLC12A3 gene that encodes the thiazide-sensitive sodium-chloride cotransporter (NCC). GS is usually detected during adolescence or adulthood, either fortuitously or in association with mild or nonspecific symptoms or both. The disease is characterized by high phenotypic variability and a significant reduction in the quality of life, and it may be associated with severe manifestations...
January 2017: Kidney International
https://www.readbyqxmd.com/read/27977579/the-association-of-serum-magnesium-and-mortality-outcomes-in-heart-failure-patients-a-systematic-review-and-meta-analysis
#10
Teeranan Angkananard, Thunyarat Anothaisintawee, Sudarat Eursiriwan, Oleg Gorelik, Mark McEvoy, John Attia, Ammarin Thakkinstian
BACKGROUND: Low serum magnesium (Mg) has been independently shown to increase risk of heart failure (HF), but data on the association between serum Mg concentration and the outcome of patients with HF are conflicting. The purpose of this systematic review and meta-analysis was to estimate the prognostic effects of hypermagnesemia and hypomagnesemia on cardiovascular (CV) mortality and all-cause mortality (ACM) of patients with HF. METHODS: Relevant studies were identified from Medline and Scopus databases...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27965186/impact-of-sevelamer-hydrochloride-on-serum-magnesium-concentrations-in-hemodialysis-patients
#11
Ryota Ikee, Takayuki Toyoyama, Toko Endo, Masataka Tsunoda, Nobuo Hashimoto
Serum Mg levels are elevated in patients with renal insufficiency: harmful effects of hypomagnesemia have been reported in patients receiving hemodialysis (HD). In this cross-sectional study, which included 86 HD patients (male : female = 56:30, age 68 ± 12 years), we examined the clinical factors associated with serum Mg levels, with a focus on sevelamer, a phosphate binder widely used to control the hyperphosphatemia of HD patients. The mean serum Mg concentration among our patients was 2.48 ± 0.37 mg/dL (1...
December 12, 2016: Magnesium Research: Official Organ of the International Society for the Development of Research on Magnesium
https://www.readbyqxmd.com/read/27942182/acquired-bartter-syndrome-following-gentamicin-therapy
#12
J Singh, M L Patel, K K Gupta, S Pandey, A Dinkar
Aminoglycoside nephrotoxicity may manifest as nonoliguric renal failure or tubular dysfunction, such as Fanconi-like syndrome, Bartter-like syndrome (BS), or distal renal tubular acidosis. We report a case who developed severe renal tubular dysfunction on the the 7(th) day of gentamicin therapy, resulting in metabolic alkalosis, refractory hypokalemia, hypocalcemia, hypomagnesemia, and polyuria. The patient was diagnosed as a case of transient BS associated with gentamicin exposure. The patient recovered with conservative management...
November 2016: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/27926584/common-single-nucleotide-polymorphisms-in-transient-receptor-potential-melastatin-type-6-increase-the-risk-for-proton-pump-inhibitor-induced-hypomagnesemia-a-case-control-study
#13
Mark W Hess, Jeroen H F de Baaij, Mark M T J Broekman, Tanya M Bisseling, Bertram J T Haarhuis, Adriaan C I T L Tan, René H M Te Morsche, Joost G J Hoenderop, René J M Bindels, Joost P H Drenth
OBJECTIVE: Proton pump inhibitors (PPIs) are effective drugs for the treatment of gastric acid-related disorders. Serious adverse events are rare for PPIs, but recent data suggest that PPIs cause hypomagnesemia. The aim of this study was to estimate the frequency of PPI-induced hypomagnesemia and to define the risk factors for its development. MATERIALS AND METHODS: A total of 133 chronic users of PPIs were enrolled and patients were distinguished on the basis of their serum Mg concentrations...
December 6, 2016: Pharmacogenetics and Genomics
https://www.readbyqxmd.com/read/27925186/up-regulation-of-transient-receptor-potential-melastatin-6-channel-expression-by-tumor-necrosis-factor-%C3%AE-in-the-presence-of-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitor
#14
Chisa Furukawa, Naoko Fujii, Aya Manabe, Toshiyuki Matsunaga, Satoshi Endo, Hajime Hasegawa, Yoshinori Ito, Masahiko Yamaguchi, Yasuhiro Yamazaki, Akira Ikari
Anti-epidermal growth factor receptor (EGFR) drugs such as erlotinib and gefitinib cause a side effect of hypomagnesemia, but chemotherapy to treat this has not yet been developed. The transient receptor potential melastatin 6 (TRPM6) channel is involved in the reabsorption of Mg(2+) in the renal tubule. We reported previously that the expression of TRPM6 is up-regulated by epidermal growth factor (EGF) in renal tubular epithelial NRK-52E and HEK293 cells. EGF-induced elevation of TRPM6 expression was inhibited by erlotinib, gefitinib, and lapatinib...
December 7, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27913776/necitumumab-for-the-treatment-of-squamous-cell-non-small-cell-lung-cancer
#15
Jessica K Brinkmeyer, Donald C Moore
Non-small cell lung cancer is the most common form of lung cancer, accounting for about 85% of all cases and is further subdivided into adenocarcinoma, squamous cell, and large cell carcinoma. Necitumumab (Portrazza™, Eli Lilly and Company) is an anti-epidermal growth factor receptor monoclonal antibody approved for the first-line treatment of squamous cell non-small cell lung cancer in combination with cisplatin and gemcitabine. The safety and efficacy of necitumumab has been evaluated in two-phase III clinical trials, one demonstrating a lack of efficacy in non-squamous non-small cell lung cancer and another demonstrating improvement in overall survival and progression-free survival in squamous cell non-small cell lung cancer...
December 2, 2016: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/27906866/inherited-and-acquired-disorders-of-magnesium-homeostasis
#16
Matthias Tilmann Florian Wolf
PURPOSE OF REVIEW: Magnesium (Mg) imbalances are frequently overlooked. Hypermagnesemia usually occurs in preeclamptic women after Mg therapy or in end-stage renal disease patients, whereas hypomagnesemia is more common with a prevalence of up to 15% in the general population. Increasing evidence points toward a role for mild-to-moderate chronic hypomagnesemia in the pathogenesis of hypertension, type 2 diabetes mellitus, and metabolic syndrome. RECENT FINDINGS: The kidneys are the major regulator of total body Mg homeostasis...
November 30, 2016: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/27898996/calcium-pyrophosphate-deposition-disease-and-associated-medical-co-morbidities-a-national-cross-sectional-study-of-us-veterans
#17
Crystal Kleiber Balderrama, Ann K Rosenthal, Daniel Lans, Jasvinder A Singh, Christie M Bartels
OBJECTIVE: Calcium pyrophosphate crystal deposition disease (CPDD) is a common cause of acute and chronic arthritis, yet there are few large epidemiologic studies of CPDD. We sought to characterize CPDD in the national Veterans Affairs (VA) population. METHODS: Patients with International Classification of Diseases, ninth revision (ICD-9) codes for CPDD seen at any VA medical center from 2010 through 2014 were matched by age and gender with control patients without CPDD, using data from the Department of Veterans Affairs Corporate Data Warehouse...
November 29, 2016: Arthritis Care & Research
https://www.readbyqxmd.com/read/27896234/frequency-and-associated-factors-of-amphotericin-b-nephrotoxicity-in-hospitalized-patients-in-hematology-oncology-wards-in-the-southwest-of-iran
#18
Iman Karimzadeh, Marziyeh Heydari, Mani Ramzi, Mohammad Mahdi Sagheb
BACKGROUND: Nephrotoxicity is the most clinically significant adverse reaction of amphotericin B. Different aspects of amphotericin B (AmB) nephrotoxicity have not been studied well in our population. OBJECTIVES: The purpose of this study was to assess the frequency, time onset, and possible associated factors of AmB nephrotoxicity in hospitalized patients in hematology-oncology wards in the southwest of Iran. PATIENTS AND METHODS: A cross-sectional, observational study was performed over a period of 9 months at 2 hematology-oncology and 1 hematopoietic stem cell transplantation wards at Namazi Hospital...
September 2016: Nephro-urology Monthly
https://www.readbyqxmd.com/read/27893657/status-of-serum-magnesium-in-egyptian-children-with-type-1-diabetes-and-its-correlation-to-glycemic-control-and-lipid-profile
#19
Doaa Shahbah, Amr Abo El Naga, Tamer Hassan, Marwa Zakaria, Mohamed Beshir, Salah Al Morshedy, Mohamed Abdalhady, Ezzat Kamel, Doaa Abdel Rahman, Lamiaa Kamel, May Abdelkader
Diabetes mellitus has been suggested to be the most common metabolic disorder associated with magnesium deficiency, having 25% to 39% prevalence. This deficit could be associated with the development of late diabetic complications, especially macroangiopathy.We aimed to evaluate the status of serum Mg in children with type 1 diabetes and assess its relation to glycemic control and lipid profile.We included 71 Egyptian children with type 1diabetes having their follow-up at Pediatric Endocrinology outpatient clinic, Zagazig University Hospital and 71 age- and sex-matched control...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27878411/reckless-administration-of-qt-interval-prolonging-agents-in-elderly-patients-with-drug-induced-torsade-de-pointes
#20
Galia Jackobson, Narin Nard Carmel, Dor Lotan, Anjelika Kremer, Dan Justo
A systematic review was conducted for all published case reports on drug-induced torsade de pointes (TdP) in elderly (≥80 years) patients to study if the administration of the offending agent was reckless. Overall, 61 reports on drug-induced TdP in patients aged 80-97 years were included in the analysis. Non-modifiable risk factors for drug-induced TdP (e.g. acute coronary syndrome, female gender and congestive heart failure), modifiable risk factors (e.g. hypokalemia, severe hypomagnesemia and digitalis toxicity) and reckless administration of a QT interval-prolonging agent (e...
November 22, 2016: Zeitschrift Für Gerontologie und Geriatrie
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