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https://www.readbyqxmd.com/read/29134448/hyperammonemia-associated-with-distal-renal-tubular-acidosis-or-urinary-tract-infection-a-systematic-review
#1
Caterina M Clericetti, Gregorio P Milani, Sebastiano A G Lava, Mario G Bianchetti, Giacomo D Simonetti, Olivier Giannini
BACKGROUND: Hyperammonemia usually results from an inborn error of metabolism or from an advanced liver disease. Individual case reports suggest that both distal renal tubular acidosis and urinary tract infection may also result in hyperammonemia. METHODS: A systematic review of the literature on hyperammonemia secondary to distal renal tubular acidosis and urinary tract infection was conducted. RESULTS: We identified 39 reports on distal renal tubular acidosis or urinary tract infections in association with hyperammonemia published between 1980 and 2017...
November 13, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29130810/outcomes-after-angiography-with-sodium-bicarbonate-and-acetylcysteine
#2
Steven D Weisbord, Martin Gallagher, Hani Jneid, Santiago Garcia, Alan Cass, Soe-Soe Thwin, Todd A Conner, Glenn M Chertow, Deepak L Bhatt, Kendrick Shunk, Chirag R Parikh, Edward O McFalls, Mary Brophy, Ryan Ferguson, Hongsheng Wu, Maria Androsenko, John Myles, James Kaufman, Paul M Palevsky
Background Intravenous sodium bicarbonate and oral acetylcysteine are widely used to prevent acute kidney injury and associated adverse outcomes after angiography without definitive evidence of their efficacy. Methods Using a 2-by-2 factorial design, we randomly assigned 5177 patients at high risk for renal complications who were scheduled for angiography to receive intravenous 1.26% sodium bicarbonate or intravenous 0.9% sodium chloride and 5 days of oral acetylcysteine or oral placebo; of these patients, 4993 were included in the modified intention-to-treat analysis...
November 12, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/29127768/diabetic-ketoacidosis-hyperuricemia-and-encephalopathy-intractable-to-regular-dose-insulin
#3
Jillian Gregory, Sonali Basu
BACKGROUND: Diabetic ketoacidosis (DKA) in children less than 1 year of age is a rare occurrence. Typical presentation includes a prodrome of weight loss and polyuria with subsequent presentation to medical care when acidosis becomes symptomatic. CASE PRESENTATION: We describe an unusual case of a previously healthy infant with a 3 days' history of constipation, presenting acutely with abdominal pain, lethargy, and dehydration. On initial evaluation, our patient had profound encephalopathy, with marked tachypnea and work of breathing...
November 11, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29118829/evaluating-the-safety-and-efficacy-of-regional-citrate-compared-to-systemic-heparin-as-anticoagulation-for-continuous-renal-replacement-therapy-in-critically-ill-patients-a-service-evaluation-following-a-change-in-practice
#4
Roberta Borg, Debra Ugboma, Dawn-Marie Walker, Richard Partridge
Following the implementation of citrate anticoagulation for continuous renal replacement therapy, we evaluate its first year of use and compare it to the previously used heparin, to assess whether our patients benefit from the recently reported advantages of citrate. We retrospectively analysed 2 years of data to compare the safety and efficacy of citrate versus heparin. The results have shown that 43 patients received continuous renal replacement therapy with heparin, 37 patients with citrate. We found no significant difference in metabolic control of pH, urea and creatinine after 72 h...
August 2017: J Intensive Care Soc
https://www.readbyqxmd.com/read/29118772/one-year-conservative-care-using-sodium-bicarbonate-supplementation-is-associated-with-a-decrease-in-electronegative-ldl-in-chronic-kidney-disease-patients-a-pilot-study
#5
Felipe Rizzetto, Denise Mafra, Ana Beatriz Barra, Gisella Pires de Melo, Dulcinéia Saes Parra Abdalla, Maurilo Leite
Background: Chronic kidney disease (CKD) patients develop metabolic acidosis when approaching stages 3 and 4, a period in which accelerated atherogenesis may ensue. Studies in vitro show that low pH may increase low-density lipoprotein (LDL) oxidation, suggesting a role for chronic metabolic acidosis in atherosclerosis. The present study attempted to evaluate the effects of conservative care using oral sodium bicarbonate (NaHCO3) supplementation on the electronegative LDL [LDL(-)], a minimally oxidized LDL, plasma levels in CKD patients...
October 2017: Cardiorenal Medicine
https://www.readbyqxmd.com/read/29099943/genetic-labeling-of-car4-expressing-cells-reveals-subpopulations-of-type-iii-taste-cells
#6
Kristina Lossow, Irm Hermans-Borgmeyer, Maik Behrens, Wolfgang Meyerhof
Carbonic anhydrases form an enzyme family of 16 members, which reversibly catalyze the hydration of carbon dioxide to bicarbonate and protons. In lung, kidney, and brain, presence of carbonic anhydrases is associated with protons and bicarbonate transport in capillary endothelium of lung, reabsorption of bicarbonate in proximal renal tubules, and extracellular buffering. In contrast, their role in taste is less clear. Recently, carbonic anhydrase IV expression was detected in sour-sensing presynaptic taste cells and was associated with the taste of carbonation, yet the precise role and cell population remained uncertain...
October 31, 2017: Chemical Senses
https://www.readbyqxmd.com/read/29094800/low-protein-diet-for-conservative-management-of-chronic-kidney-disease-a-systematic-review-and-meta-analysis-of-controlled-trials
#7
Connie M Rhee, Seyed-Foad Ahmadi, Csaba P Kovesdy, Kamyar Kalantar-Zadeh
BACKGROUND: Recent data pose the question whether conservative management of chronic kidney disease (CKD) by means of a low-protein diet can be a safe and effective means to avoid or defer transition to dialysis therapy without causing protein-energy wasting or cachexia. We aimed to systematically review and meta-analyse the controlled clinical trials with adequate participants in each trial, providing rigorous contemporary evidence of the impact of a low-protein diet in the management of uraemia and its complications in patients with CKD...
November 2, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/29064128/the-association-between-change-in-serum-bicarbonate-and-change-in-thyroid-hormone-levels-in-patients-receiving-conventional-or-more-frequent-maintenance-hemodialysis
#8
Alessio Molfino, Gerald J Beck, Minwei Li, Joan C Lo, George A Kaysen
AIM: Correction of metabolic acidosis in patients with chronic kidney disease has been associated with improvement in thyroid function. We examined whether changes in bicarbonate were associated with changes in thyroid function in patients with end-stage renal disease receiving conventional or more frequent hemodialysis. METHODS: In the Frequent Hemodialysis Network Trials, the relationship between changes in serum bicarbonate, free triiodothyronine (FT3) and free thyroxine (FT4) was examined among 147 and 48 patients with endogenous thyroid function who received conventional (3x/week) or more frequent (6x/week) hemodialysis (Daily Trial) or who received conventional or more frequent nocturnal hemodialysis (Nocturnal Trial)...
October 24, 2017: Nephrology
https://www.readbyqxmd.com/read/29035195/effects-of-fasting-during-the-month-of-ramadan-on-renal-function-in-patients-with-autosomal-dominant-polycystic-kidney-disease%C3%A2
#9
Iskender Ekinci, Reha Erkoc, Meltem Gursu, Elif Ece Dogan, Elif Kilic, Egemen Cebeci, Savas Ozturk, Rumeyza Kazancioglu
BACKGROUND: In this study, we aimed to examine the impact of fasting during the month of Ramadan on autosomal dominant polycystic kidney disease (-ADPKD) patients with normal to near-normal glomerular filtration rate (GFR). MATERIALS AND METHODS: This was a prospective observational study of patients with ADPKD, the majority of whom had normal or near-normal GFR. Patients were divided into two groups: the fasting group (FG) and the nonfasting group (NFG). Assessments in the NFG were performed 1 week before and 1 month after Ramadan, while FG patients were assessed on the last day of fasting in addition to the abovementioned visits...
October 16, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/29032379/oral-bicarbonate-slows-decline-of-residual-renal-function-in-peritoneal-dialysis-patients
#10
Xiang-Yang Liu, Xiu-Mei Gao, Ning Zhang, Rui Chen, Feng Wu, Xin-Chao Tao, Chun-Jun Li, Ping Zhang, Pei Yu
BACKGROUND/AIMS: Metabolic acidosis is a common consequence of end-stage renal disease (ESRD) which may result in a substantial adverse outcome. The effect of oral bicarbonate on the preservation of residual renal function (RRF) in peritoneal dialysis (PD) patients has been rarely reported. METHODS: We randomly assigned 40 continuous ambulatory peritoneal dialysis (CAPD) patients to the oral bicarbonate group or placebo group at a 1: 1 ratio. All enrollments were followed for a duration of 104 weeks...
2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29031353/regulation-of-acid-base-balance-in-chronic-kidney-disease
#11
REVIEW
Glenn T Nagami, L Lee Hamm
The kidneys play a major role in the regulation of acid-base balance by reabsorbing bicarbonate filtered by the glomeruli and excreting titratable acids and ammonia into the urine. In CKD, with declining kidney function, acid retention and metabolic acidosis occur, but the extent of acid retention depends not only on the degree of kidney impairment but also on the dietary acid load. Acid retention can occur even when the serum bicarbonate level is apparently normal. With reduced kidney function, acid transport processes in the surviving nephrons are augmented but as disease progresses ammonia excretion and, in some individuals, the ability to reabsorb bicarbonate falls, whereas titratable acid excretion is preserved until kidney function is severely impaired...
September 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28963291/systematic-review-of-prognostic-prediction-models-for-acute-kidney-injury-aki-in-general-hospital-populations
#12
Luke Eliot Hodgson, Alexander Sarnowski, Paul J Roderick, Borislav D Dimitrov, Richard M Venn, Lui G Forni
OBJECTIVE: Critically appraise prediction models for hospital-acquired acute kidney injury (HA-AKI) in general populations. DESIGN: Systematic review. DATA SOURCES: Medline, Embase and Web of Science until November 2016. ELIGIBILITY: Studies describing development of a multivariable model for predicting HA-AKI in non-specialised adult hospital populations. Published guidance followed for data extraction reporting and appraisal...
September 27, 2017: BMJ Open
https://www.readbyqxmd.com/read/28957333/association-between-mortality-and-replacement-solution-bicarbonate-concentration-in-continuous-renal-replacement-therapy-a-propensity-matched-cohort-study
#13
Kianoush Kashani, Charat Thongprayoon, Wisit Cheungpasitporn, Gina M Iacovella, Abbasali Akhoundi, Robert C Albright
BACKGROUND: Given the known deleterious effects seen with bicarbonate supplementation for acidemia, we hypothesized that utilizing high bicarbonate concentration replacement solution in continuous venovenous hemofiltration (CVVH) would be independently associated with higher mortality. METHODS: In a propensity score-matched historical cohort study conducted at a single tertiary care center from December 9, 2006, through December 31, 2009, a total of 287consecutive adult critically ill patients with Stage III acute kidney injury (AKI) requiring CVVH were enrolled...
2017: PloS One
https://www.readbyqxmd.com/read/28937522/ambulatory-high-dose-methotrexate-administration-in-pediatric-osteosarcoma-patients-at-a-single-institution-in-argentina
#14
Jose A Villegas Rubio, Walter Cacciavillano, Adriana Rose, Pedro Zubizarreta, Marcelo Scopinaro
BACKGROUND: The purpose of this study was to evaluate the feasibility and safety of ambulatory high-dose methotrexate (HDMTX) administration with oral hydration, alkalinization, and leucovorin rescue. HDMTX (12 g/m) was given intravenously over 4 hours after urine alkalinization. Families and patients were instructed to continue ambulatory oral hydration and alkalinization to monitor urine pH and to adjust bicarbonate according to our institution's treatment algorithm. Clinical status and MTX levels were controlled every 24 hours, and oral leucovorin dose was adjusted accordingly...
October 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28936623/acute-renal-metabolic-effect-of-metformin-assessed-with-hyperpolarised-mri-in-rats
#15
Haiyun Qi, Per M Nielsen, Marie Schroeder, Lotte B Bertelsen, Fredrik Palm, Christoffer Laustsen
AIMS/HYPOTHESIS: Metformin inhibits hepatic mitochondrial glycerol phosphate dehydrogenase, thereby increasing cytosolic lactate and suppressing gluconeogenesis flux in the liver. This inhibition alters cytosolic and mitochondrial reduction-oxidation (redox) potential, which has been reported to protect organ function in several disease states including diabetes. In this study, we investigated the acute metabolic and functional changes induced by metformin in the kidneys of both healthy and insulinopenic Wistar rats used as a model of diabetes...
September 21, 2017: Diabetologia
https://www.readbyqxmd.com/read/28933805/perioperative-administration-of-buffered-versus-non-buffered-crystalloid-intravenous-fluid-to-improve-outcomes-following-adult-surgical-procedures
#16
REVIEW
Sohail Bampoe, Peter M Odor, Ahilanandan Dushianthan, Elliott Bennett-Guerrero, Suzie Cro, Tong J Gan, Michael Pw Grocott, Michael Fm James, Michael G Mythen, Catherine Mn O'Malley, Anthony M Roche, Kathy Rowan, Edward Burdett
BACKGROUND: Perioperative fluid strategies influence clinical outcomes following major surgery. Many intravenous fluid preparations are based on simple solutions, such as normal saline, that feature an electrolyte composition that differs from that of physiological plasma. Buffered fluids have a theoretical advantage of containing a substrate that acts to maintain the body's acid-base status - typically a bicarbonate or a bicarbonate precursor such as maleate, gluconate, lactate, or acetate...
September 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28933414/association-between-low-serum-bicarbonate-concentrations-and-cardiovascular-disease-in-patients-in-the-end-stage-of-renal-disease
#17
Vaia D Raikou, Despina Kyriaki
BACKGROUND: Metabolic acidosis, a common condition particularly in the end-stage of renal disease patients, results in malnutrition, inflammation and oxidative stress. In this study, we focused on the association between low serum bicarbonate and cardiovascular disease in patients on intermittent dialysis. METHODS: We studied 52 on-line-pre-dilution hemodiafiltration (on-l HDF) patients, 32 males and 20 females, with a mean age of 58.01 ± 15.4 years old. Metabolic acidosis was determined by serum bicarbonate concentrations less than 22 mmol/L...
November 15, 2016: Diseases (Basel)
https://www.readbyqxmd.com/read/28932601/the-role-of-sodium-bicarbonate-in-the-management-of-some-toxic-ingestions
#18
REVIEW
Aibek E Mirrakhimov, Taha Ayach, Aram Barbaryan, Goutham Talari, Romil Chadha, Adam Gray
Adverse reactions to commonly prescribed medications and to substances of abuse may result in severe toxicity associated with increased morbidity and mortality. According to the Center for Disease Control, in 2013, at least 2113 human fatalities attributed to poisonings occurred in the United States of America. In this article, we review the data regarding the impact of systemic sodium bicarbonate administration in the management of certain poisonings including sodium channel blocker toxicities, salicylate overdose, and ingestion of some toxic alcohols and in various pharmacological toxicities...
2017: International Journal of Nephrology
https://www.readbyqxmd.com/read/28927932/chitosan-doxycycline-hydrogel-an-mmp-inhibitor-sclerosing-embolizing-agent-as-a-new-approach-to-endoleak-prevention-and-treatment-after-endovascular-aneurysm-repair
#19
Fatemeh Zehtabi, Pompilia Ispas-Szabo, Djahida Djerir, Lojan Sivakumaran, Borhane Annabi, Gilles Soulez, Mircea Alexandru Mateescu, Sophie Lerouge
The success of endovascular repair of abdominal aortic aneurysms remains limited due to the development of endoleaks. Sac embolization has been proposed to manage endoleaks, but current embolizing materials are associated with frequent recurrence. An injectable agent that combines vascular occlusion and sclerosing properties has demonstrated promise for the treatment of endoleaks. Moreover, the inhibition of aneurysmal wall degradation via matrix metalloproteinases (MMPs) may further prevent aneurysm progression...
December 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28920046/the-effect-of-intraoperative-alkali-treatment-on-recovery-from-atracurium-induced-neuromuscular-blockade-in-renal-transplantation-a-randomized-trial
#20
Navid Noraee, Mohammad Fathi, Majid Golestani Eraghi, Ali Dabbagh, Nilofar Massoudi
BACKGROUND: Intraoperative care and anesthesia method in patients undergoing allograft renal transplantation surgery are very necessary. Acid-base imbalance can alter neuromuscular blockade and recovery time. OBJECTIVES: The aim of the present study was to investigate the effect of acid-base balance on atracurium blockade in renal transplantation. METHODS: In this randomized-controlled trial, 31 end-stage renal disease (ESRD) patients undergoing renal transplantation were randomly assigned into two equal groups...
February 2017: Anesthesiology and Pain Medicine
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