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Hyperphosphatemia

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https://www.readbyqxmd.com/read/29148025/a-3-day-diary-of-dietary-protein-and-calorie-intake-by-serum-phosphate-concentration-and-binder-use-in-hemodialysis-patients
#1
Meiry J S Araújo, Luciana F Silva, Maria T S Martins, Cacia M Matos, Marcelo B Lopes, Rilma F S Santos, LarissaS Santos, Angiolina C Kraychete, Márcia T S Martins, Fernanda A Silva, Antonio A Lopes
INTRODUCTION: The use of phosphate binders to control hyperphosphatemia may allow diets less restricted in protein and calories for maintenance hemodialysis (MHD) patients. The study compared intakes of protein, calorie and phosphate among MHD patients with different serum phosphate concentrations, taking into account binder use. The hypothesis was that low serum phosphate would be associated with low intakes of protein and calories only in patients not on binders. METHODS: A cross-sectional study of 443 patients enrolled in the Prospective Study of the Prognosis of Chronic Hemodialysis Patients (PROHEMO) in Salvador, Brazil, with stratified sampling on serum phosphate: ≤3...
November 4, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/29146611/smooth-muscle-selective-nuclear-factor-%C3%AE%C2%BAb-inhibition-reduces-phosphate-induced-arterial-medial-calcification-in-mice-with-chronic-kidney-disease
#2
Tadashi Yoshida, Maho Yamashita, Chihiro Horimai, Matsuhiko Hayashi
BACKGROUND: Hyperphosphatemia is a major factor promoting the formation of arterial medial calcification in chronic kidney disease (CKD). However, arterial medial calcification begins to occur during the early stages of CKD, when hyperphosphatemia is not yet apparent. It is predicted that other factors also play a role. The aim of the present study was to determine the role of pro-inflammatory nuclear factor-κB (NF-κB) signaling in smooth muscle cells (SMCs) for phosphate-induced arterial medial calcification in CKD mice...
November 16, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29146137/the-impact-of-additives-on-the-phosphorus-potassium-and-sodium-content-of-commonly-consumed-meat-poultry-and-fish-products-among-patients-with-chronic-kidney-disease
#3
Arti Sharma Parpia, Mary L'Abbé, Marc Goldstein, Joanne Arcand, Bernadene Magnuson, Pauline Darling
OBJECTIVE: Patients with chronic kidney disease (CKD) are advised to limit their dietary intake of phosphorus and potassium as hyperphosphatemia and hyperkalemia are both associated with an increased risk of mortality. There is uncertainty concerning the actual content of these minerals in the Canadian food supply, as phosphorus and potassium are increasingly being used as food additives. This study aimed to determine the impact of food additives on the chemically analyzed content of phosphorus, potassium, sodium, and protein in commonly consumed meat, poultry, and fish products (MPFs)...
November 14, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29142992/a-dialysis-patient-with-hyperphosphatemia-hyperkalemia-and-azotemia-without-an-excessive-intake
#4
Kazuhito Fukuoka, Yuriko Sato, Hiroyuki Sakurai, Soko Kawashima, Shinya Kaname, Yoshihiro Arimura
No abstract text is available yet for this article.
July 2017: KI Reports
https://www.readbyqxmd.com/read/29130003/spontaneous-tumor-lysis-syndrome-due-to-uterine-leiomyosarcoma-with-lung-metastases
#5
Vivek Alaigh, Debapriya Datta
Tumor lysis syndrome (TLS) is an oncologic emergency characterized by a combination of metabolic derangements (hyperuricemia, hyperkalemia, hyperphosphatemia, and hypocalcemia) caused by rapid turnover from cell destruction in certain cancers. These metabolic derangements can lead to seizures, cardiac arrhythmias, renal failure, and death. TLS is usually seen after the initiation of chemotherapy for hematologic malignancies. TLS occurring spontaneously, without initiation of chemotherapy, is rare and its occurrence in solid tumors is rarer still...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/29128884/effect-of-npt2b-deletion-on-intestinal-and-renal-inorganic-phosphate-pi-handling
#6
Kayo Ikuta, Hiroko Segawa, Shohei Sasaki, Ai Hanazaki, Toru Fujii, Aoi Kushi, Yuka Kawabata, Ruri Kirino, Sumire Sasaki, Miwa Noguchi, Ichiro Kaneko, Sawako Tatsumi, Otoya Ueda, Naoko A Wada, Hiromi Tateishi, Mami Kakefuda, Yosuke Kawase, Shuichi Ohtomo, Yasuhiro Ichida, Akira Maeda, Kou-Ichi Jishage, Naoshi Horiba, Ken-Ichi Miyamoto
BACKGROUND: Hyperphosphatemia is common in chronic kidney disease and is associated with morbidity and mortality. The intestinal Na(+)-dependent phosphate transporter Npt2b is thought to be an important molecular target for the prevention of hyperphosphatemia. The role of Npt2b in the net absorption of inorganic phosphate (Pi), however, is controversial. METHODS: In the present study, we made tamoxifen-inducible Npt2b conditional knockout (CKO) mice to analyze systemic Pi metabolism, including intestinal Pi absorption...
November 11, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29083339/reoperation-for-persistent-or-recurrent-secondary-hyperparathyroidism
#7
Alida Abruzzo, Maria Concetta Gioviale, Giuseppe Damiano, Vincenzo Davide Palumbo, Salvatore Buscemi, Giulia Lo Monte, Leonardo Gulotta, Giuseppe Buscemi, Attilio Ignazio Lo Monte
BACKGROUND: Secondary hyperparathyroidism is a common acquired disorder seen in chronic renal failure. Its pathophysiology is mainly due to hyperphosphatemia and vitamin D deficiency and resistance. When medical treatment fails, subtotal and total parathyroidectomy with autotransplantation are the standard procedures, although both are associated with high recurrence rates. METHODS AND RESULTS: 4 patients experienced persistence and 9 relapse. The first 4 were subjected to reoperation after 6 months for the persistence of symptoms due to the finding of a supernumerary adenomatous gland while the remaining patients at the reoperation showed in 5 cases 2 more glands in over thymic position, and 4 an hyperplasia of the residual glandular tissue...
October 23, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29078759/endothelin-a-receptor-blocker-and-calcimimetic-in-the-adenine-rat-model-of-chronic-renal-insufficiency
#8
Suvi Törmänen, Ilkka Pörsti, Päivi Lakkisto, Ilkka Tikkanen, Onni Niemelä, Timo Paavonen, Jukka Mustonen, Arttu Eräranta
BACKGROUND: We studied whether endothelin receptor antagonist and calcimimetic treatments influence renal damage and kidney renin-angiotensin (RA) components in adenine-induced chronic renal insufficiency (CRI). METHODS: Male Wistar rats (n = 80) were divided into 5 groups for 12 weeks: control (n = 12), 0.3% adenine (Ade; n = 20), Ade + 50 mg/kg/day sitaxentan (n = 16), Ade + 20 mg/kg/day cinacalcet (n = 16), and Ade + sitaxentan + cinacalcet (n = 16)...
October 27, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/29072386/-genetic-disorders-of-renal-phosphate-handling
#9
REVIEW
Daniella Magen
Hereditary disorders of renal phosphate handling comprise a diverse group of genetic diseases, usually characterized by excessive urinary phosphate wasting and a negative phosphate balance. In the minority of cases, perturbations of renal phosphate handling are associated with excessive urinary phosphate reabsorption, leading to pathological hyperphosphatemia. Inorganic phosphate is an essential mineral in the human body, playing a crucial role in cellular metabolism and skeletal mineralization. Whole body phosphate balance is maintained by a highly controlled equilibrium between intestinal uptake, skeletal deposition and renal excretion...
October 2017: Harefuah
https://www.readbyqxmd.com/read/29064180/a-service-review-to-assess-if-innovative-intensive-phosphate-dietary-education-can-help-reduce-phosphate-levels-to-the-recommended-range-in-a-hemodialysis-population
#10
Eileen A Duff, Fiona M Chawke
INTRODUCTION: Studies suggest that hemodialysis (HD) patients are less likely to adhere to phosphate dietary restriction than to potassium, sodium, or fluid restriction. It is particularly important that dietary education is provided appropriately, consistently, and reinforced regularly to encourage compliance with diet and phosphate-binder regimens. Patient awareness of the consequences of a chronically raised phosphate and its treatment is associated with lower serum phosphate levels...
October 2017: Hemodialysis International
https://www.readbyqxmd.com/read/29056165/the-leaky-gut-and-altered-microbiome-in-chronic-kidney-disease
#11
Wei Ling Lau, Nosratola D Vaziri
Chronic kidney disease results in disruption of the intestinal epithelial barrier as well as profound changes in the gut microbial flora. These events are largely mediated by (1) heavy influx of circulating urea to the gut lumen and (2) dietary restrictions of foods containing high fiber (such as fruits and vegetable) and symbiotic organisms (such as yogurt and cheese) imposed to mitigate hyperkalemia and hyperphosphatemia. Collectively, these factors promote systemic inflammation and cardiovascular morbidity by mediating microbial dysbiosis, disruption of the intestinal epithelial barrier, and translocation of endotoxin, bacterial fragments, and uremic toxins across the "leaky gut" into the bloodstream...
November 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29047366/the-use-of-cinacalcet-hinders-the-diagnosis-of-parathyroid-carcinoma-in-a-chronic-dialysis-patient-a-case-report
#12
Daisuke Takada, Tatsuo Tsukamoto, Miho Fuse, Shinpei Kada, Motoko Yanagita
BACKGROUND: Secondary hyperparathyroidism (SHPT) is a common complication in patients receiving chronic dialysis therapy. Although cinacalcet can control parathyroid function and bone turnover, preventing ectopic calcification remains challenging. Cinacalcet can also suppress PTH secretion due to parathyroid carcinoma in the same way as it does for parathyroid hyperplasia in the uremic condition. We present a case of parathyroid carcinoma partially controlled by cinacalcet, in which tumorous calcinosis was successfully resolved by total parathyroidectomy...
October 18, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/29034031/coronary-artery-bypass-surgery-in-end-stage-renal-disease-patients
#13
REVIEW
Daijiro Hori, Atsushi Yamaguchi, Hideo Adachi
The number of patients requiring hemodialysis is continuously increasing around the world. Hemodialysis affects patient quality of life and it is also associated with a higher risk for cardiovascular events. In addition to traditional risk factors for cardiovascular events such as hypertension, hyperlipidemia, and diabetes, hemodialysis is associated with hyperphosphatemia, chronic inflammation, vascular calcification, and anemia which accelerate atherosclerosis, vascular stiffness, and cardiac ischemia. Treatment strategy for coronary revascularization in this progressive disease remains controversial...
June 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29025112/sodium-phosphate-enemas-do-not-worsen-renal-function-amongst-hospitalized-patients-with-mild-to-moderate-renal-failure-a-matched-case-control-study
#14
A Dagan, G Y Stein, S Winter, C Avaky, L Hofstetter, I Gringauz, A Biber, G Segal
Background: Sodium Phosphate enemas (SPEs) are widely used amongst hospitalized patients despite their potential to worsen renal failure. The extent to which this side effect is clinically relevant is questionable. Methods: We conducted a matched case-control, retrospective study in a cohort of hospitalized patients. Patients treated and untreated with SPEs were matched for age, gender, baseline creatinine, usage of certain medications and several background diagnoses...
August 16, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28975589/admission-hyperphosphatemia-increases-the-risk-of-acute-kidney-injury-in-hospitalized-patients
#15
Charat Thongprayoon, Wisit Cheungpasitporn, Michael A Mao, Ankit Sakhuja, Stephen B Erickson
BACKGROUND: Evidence on the association between elevated admission serum phosphate and risk of in-hospital acute kidney injury (AKI) is limited. The aim of this study was to assess the risk of AKI in hospitalized patients stratified by admission serum phosphate level. METHODS: This is a single-center retrospective study conducted at a tertiary referral hospital. All hospitalized adult patients who had admission phosphate measurement available between January and December 2013 were enrolled...
October 3, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28975468/effect-of-restricted-protein-diet-supplemented-with-keto-analogues-in-end-stage-renal-disease-a-systematic-review-and-meta-analysis
#16
REVIEW
Zheng Jiang, Yi Tang, Lichuan Yang, Xuhua Mi, Wei Qin
AIM: To evaluate the efficacy and safety of the restricted protein diet supplemented with keto analogues when applied in end-stage renal disease (ESRD). METHODS: The Cochrane Library, PubMed, Embase, CBM and CENTRAL databases were searched and reviewed up to January 2017. Clinical trials were analyzed using RevMan 5.3 software. RESULTS: Five randomized controlled trials were selected and included in this study according to our inclusion and exclusion criteria...
October 3, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28970367/a-pilot-study-of-okkidney-a-phosphate-counting-application-in-patients-on-peritoneal-dialysis
#17
Rameez Imtiaz, Katherine Atkinson, Julien Guerinet, Kumanan Wilson, Jullie Leidecker, Deborah Zimmerman
BACKGROUND: Hyperphosphatemia is associated with adverse outcomes in patients treated with peritoneal dialysis (PD). We have shown that a fixed meal phosphate binder dosing schedule is not appropriate. The purpose of this study was to evaluate the beta version of OkKidney, a phosphate counting app that matches meal phosphate content with binder dose. METHODS: A convenience sample of adult patients treated with PD completed a pre-survey that included the technology readiness index (TRI 2...
September 28, 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28965185/safety-pharmacokinetic-and-pharmacodynamics-of-erdafitinib-a-pan-fibroblast-growth-factor-receptor-fgfr-tyrosine-kinase-inhibitor-in-patients-with-advanced-or-refractory-solid-tumors
#18
Tomohiro Nishina, Shunji Takahashi, Ryota Iwasawa, Hidehisa Noguchi, Masayuki Aoki, Toshihiko Doi
Introduction This phase 1, open-label, multicenter, single-arm, dose-escalation study aimed to evaluate safety, pharmacokinetics (PK), and pharmacodynamics of erdafitinib (JNJ-42756493), an oral selective pan-fibroblast growth factor receptor (FGFR) tyrosine kinase inhibitor, and to determine the recommended phase 2 dose in Japanese patients with advanced or refractory solid tumors. Methods Three to 6 patients were enrolled into sequentially escalating dose cohorts (erdafitinib 2, 4, or 6 mg) with a daily dosing schedule of 21-day cycles or a 7 days-on/7 days-off intermittent schedule (erdafitinib 10 mg or 12 mg) of 28-day cycles...
September 30, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28956246/hematological-biochemical-and-histopathological-impacts-of-barium-chloride-and-barium-carbonate-accumulation-in-soft-tissues-of-male-sprague-dawley-rats
#19
Amany Tharwat Mohammed, Hager Tarek H Ismail
The present study was designed to investigate the hematotoxicity, sero-biochemical and histological changes due to the accumulation of BaCl2 and BaCO3, the most important barium salts in our daily lives, in different soft tissues including the liver, kidney, heart, and spleen of adult rats after an oral exposure for 30 consecutive days, and to explain the different mechanisms by which this metal can exert these impacts. For this purpose, adult male rats were divided into three main groups of 15 animals each: group I, serving as controls, group II, receiving BaCl2 orally in a dose of 179 mg barium/kg b...
September 27, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28939209/calcium-and-bone-metabolism-indices
#20
Lu Song
Calcium and inorganic phosphate are of critical importance for many body functions, thus the regulations of their plasma concentrations are tightly controlled by the concerted actions of reabsorption/excretion in the kidney, absorption in the intestines, and exchange from bone, the major reservoir for calcium and phosphate in the body. Parathyroid hormone (PTH) and 1,25-dihydroxyvitamin D (1,25(OH)2D) control calcium homeostasis, whereas PTH, 1,25(OH)2D, and bone-derived fibroblast growth factor 23 (FGF 23) control phosphate homeostasis...
2017: Advances in Clinical Chemistry
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