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Metabolic acidosis

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https://www.readbyqxmd.com/read/28428931/the-role-of-renal-proximal-tubule-transport-in-the-regulation-of-blood-pressure
#1
REVIEW
Shoko Horita, Motonobu Nakamura, Masashi Suzuki, Nobuhiko Satoh, Atsushi Suzuki, Yukio Homma, Masaomi Nangaku
The electrogenic sodium/bicarbonate cotransporter 1 (NBCe1) on the basolateral side of the renal proximal tubule plays a pivotal role in systemic acid-base homeostasis. Mutations in the gene encoding NBCe1 cause severe proximal renal tubular acidosis accompanied by other extrarenal symptoms. The proximal tubule reabsorbs most of the sodium filtered in the glomerulus, contributing to the regulation of plasma volume and blood pressure. NBCe1 and other sodium transporters in the proximal tubule are regulated by hormones, such as angiotensin II and insulin...
March 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/28425868/pomegranate-as-a-possible-treatment-in-reducing-risk-of-developing-wound-healing-obesity-neurodegenerative-disorders-and-diabetes-mellitus
#2
Manaf AlMatar, Md Rashedul Islam, Othman Albari, Işıl Var, Fatih Köksal
Four distinguished although overlying stages make up the methodical procedure of wound healing, which are hemostasis, inflammation, proliferation and remodelling. Multiple sclerosis (MS) comprises a persistent inflammatory infection of the central nervous system, and is related to demyelination, neurodegeneration, as well as susceptibility to oxidative pressure. Obesity signifies a swiftly developing danger to the wellbeing of populations in a rising number of nations. Usually called diabetes mellitus (DM) by medical practitioners, diabetes details a collection of metabolic diseases within which the individual has raised blood glucose, either due to an insufficiency of insulin generation, or the lack of suitable response by the body to insulin, or both...
April 19, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28420223/clinical-and-molecular-characterization-of-patients-with-fructose-1-6-bisphosphatase-deficiency
#3
Niu Li, Guoying Chang, Yufei Xu, Yu Ding, Guoqiang Li, Tingting Yu, Yanrong Qing, Juan Li, Yiping Shen, Jian Wang, Xiumin Wang
Fructose-1,6-bisphosphatase (FBPase) deficiency is a rare, autosomal recessive inherited disease caused by the mutation of the FBP1 gene, the incidence is estimated to be between 1/350,000 and 1/900,000. The symptoms of affected individuals are non-specific and are easily confused with other metabolic disorders. The present study describes the clinical features of four Chinese pediatric patients who presented with hypoglycemia, hyperlactacidemia, metabolic acidosis, and hyperuricemia. Targeted-next generation sequencing using the Agilent SureSelect XT Inherited Disease Panel was used to screen for causal variants in the genome, and the clinically-relevant variants were subsequently verified using Sanger sequencing...
April 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28412021/prediction-and-validation-of-the-duration-of-hemodialysis-sessions-for-the-treatment-of-acute-ethylene-glycol-poisoning
#4
Ioan-Andrei Iliuta, Philippe Lachance, Marc Ghannoum, Yannick Bégin, Fabrice Mac-Way, Simon Desmeules, Sacha A De Serres, Anne-Sophie Julien, Pierre Douville, Mohsen Agharazii
The duration of hemodialysis (HD) sessions for the treatment of acute ethylene glycol poisoning is dependent on concentration, the operational parameters used during HD, and the presence and severity of metabolic acidosis. Ethylene glycol assays are not readily available, potentially leading to undue extension or premature termination of HD. We report a prediction model for the duration of high-efficiency HD sessions based retrospectively on a cohort study of 26 cases of acute ethylene glycol poisoning in 24 individuals treated by alcohol dehydrogenase competitive inhibitors, cofactors and HD...
April 12, 2017: Kidney International
https://www.readbyqxmd.com/read/28410419/the-electrical-heart-axis-and-st-events-in-fetal-monitoring-a-post-hoc-analysis-following-a-multicentre-randomised-controlled-trial
#5
Rik Vullings, Kim M J Verdurmen, Alexandra D J Hulsenboom, Stephanie Scheffer, Hinke de Lau, Anneke Kwee, Pieter F F Wijn, Isis Amer-Wåhlin, Judith O E H van Laar, S Guid Oei
OBJECTIVE: Reducing perinatal morbidity and mortality is one of the major challenges in modern health care. Analysing the ST segment of the fetal electrocardiogram was thought to be the breakthrough in fetal monitoring during labour. However, its implementation in clinical practice yields many false alarms and ST monitoring is highly dependent on cardiotocogram assessment, limiting its value for the prediction of fetal distress during labour. This study aims to evaluate the relation between physiological variations in the orientation of the fetal electrical heart axis and the occurrence of ST events...
2017: PloS One
https://www.readbyqxmd.com/read/28407820/-clinical-features-of-hereditary-distal-renal-tubular-acidosis-and-slc4a1-gene-mutation
#6
Juan DU, Qian-Qian Pang, Yan Jiang, Ou Wang, Mei Li, Xiao-Ping Xing, Wei-Bo Xia
OBJECTIVE: To study the clinical features of two families with distal renal tubular acidosis (dRTA) and mutations in the pathogenic gene SLC4A1. METHODS: Family investigation, medical history collection, and measurement of biochemical parameters were performed to analyze the clinical phenotype and genetic characteristics of dRTA. Direct sequencing was used to detect SLC4A1 gene mutations. RESULTS: Three patients in these two families (two of them were mother and son) were diagnosed with dRTA with typical clinical features, including short stature, metabolic acidosis, alkaline urine, hypokalemia, and nephrocalcinosis...
April 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28407445/lethal-bentazone-intoxication-a-report-of-two-cases
#7
Petar Škavić, Zijad Duraković, Marina Nestić
This study presents two cases of lethal bentazone poisonings, their clinical presentation, the course of the disease and the autopsy findings. The first is a 50-year-old male who had sprayed corn with a solution of bentazone and was admitted to the hospital with sweating, fever, nausea, vomiting of aqueous and hemorrhagic content, and bloody, watery stools. He was treated according to the symptoms including extracorporeal hemodialysis, but eventually suffered from multiorgan failure (acute respiratory failure, acute liver failure, coagulopathy, acute renal failure, metabolic acidosis, and gastrointestinal bleeding) and died 11...
April 13, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28406701/prompt-rise-in-urinary-ammonium-excretion-suffices-to-mitigate-metabolic-acidosis-in-an-experimental-animal-model-of-severe-normovolemic-hemodilution
#8
J K Teloh, I N Waack, H de Groot
Recently, we have established a model of severe stepwise normovolemic hemodilution to a hematocrit of 10% in rats employing three different colloidal volume replacement solutions (Voluven, Volulyte and Gelafundin) that are routinely used in clinical practice at present. We did not see severe dilutional acidosis as to be expected, but a decline in urinary pH. We here looked on further mechanisms of renal acid excretion during normovolemic hemodilution. Bicarbonate, which had been removed during normovolemic hemodilution, was calculated with the help of the Henderson-Hasselbalch equation...
April 12, 2017: Physiological Research
https://www.readbyqxmd.com/read/28405069/acquired-5-oxoproline-acidemia-successfully-treated-with-n-acetylcysteine
#9
Gregory L Hundemer, Andrew Z Fenves
Acquired 5-oxoprolinemia is increasingly recognized as a cause of anion gap metabolic acidosis. It predominantly occurs in chronically ill, malnourished women with impaired renal function and chronic acetaminophen ingestion. Depletion of glutathione and cysteine stores leads to elevated 5-oxoproline levels. N-acetylcysteine, given its effect in repleting glutathione and cysteine stores, has been proposed as a potential treatment for 5-oxoprolinemia, though reports of its successful use are lacking. We present a case of 5-oxoproline metabolic acidosis that persisted despite discontinuation of acetaminophen...
April 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28403066/non-hemodynamic-effects-of-catecholamines
#10
Clair Hartmann, Peter Radermacher, Martin Wepler, Benedikt Nubaum
Circulatory shock is defined as an imbalance between tissue oxygen supply and demand, and mostly results from a loss of blood volume, cardiac pump failure and/or reduction of vasomotor tone. The clinical hallmarks of circulatory shock are arterial hypotension and lactate acidosis. Since the degree and duration of hypotension are major determinants of outcome, vasopressor administration represents a cornerstone therapy to treat these patients. Current guidelines recommend the use of catecholamines as the drug of first choice...
April 11, 2017: Shock
https://www.readbyqxmd.com/read/28403011/emerging-roles-of-lipid-metabolism-in-cancer-progression
#11
Cyril Corbet, Olivier Feron
PURPOSE OF REVIEW: Lipid metabolism in cancer cells and tumor-associated stromal cells was recently identified to contribute to disease progression particularly in response to changes in tumor microenvironment such as acidosis and hypoxia. RECENT FINDINGS: New molecular mechanisms driving lipid metabolism in various cancers were elicited through genetic silencing, pharmacological inhibition of key metabolic enzymes, including those involved in fatty acid oxidation and synthesis, and modulation of diet composition...
April 11, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28401058/a-rare-cause-of-recurrent-acute-pancreatitis-in-a-child-isovaleric-acidemia-with-novel-mutation
#12
Elif Sag, Alper Han Cebi, Gulay Kaya, Gulay Karaguzel, Murat Cakir
Recurrent acute pancreatic attacks is a rare clinical condition (2-5% of all acute pancreatis) in children and is mainly idiopathic in most cases. Sometimes it may be associated with congenital anomalies, metabolic diseases or hereditary conditions. Isovaleric acidemia (IVA) is a rare autosomal recessive amino acid metabolism disorder associated with isovaleryl coenzyme A dehydrogenase deficiency presenting the clinical findings such metabolic acidosis with increased anion gap, hyperammonemia, ketonemia, hypoglycemia, "the odor of sweaty feet," abdominal pain, vomiting, feeding intolerance, shock and coma...
March 2017: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28398947/acidosis-but-not-alkalosis-affects-anaerobic-metabolism-and-performance-in-a-4-km-time-trial
#13
Carlos Rafaell Correia-Oliveira, João Paulo Lopes-Silva, Romulo Bertuzzi, Glenn K McConell, David John Bishop, Adriano Eduardo Lima-Silva, Maria Augusta Peduti Dal'Molin Kiss
PURPOSE: To determine the effect of pre-exercise metabolic acidosis and alkalosis on power output (PO) and aerobic and anaerobic energy expenditure during a 4-km cycling time trial (TT). METHODS: Eleven recreationally trained cyclists (VO2peak 54.1 ± 9.3 mL·kg·min) performed a 4-km TT 100 min after ingesting in a double-blind matter 0.15 g·kg of body mass of ammonium chloride (NH4Cl, acidosis), 0.3 g·kg of sodium bicarbonate (NaHCO3, alkalosis) or 0.15 g·kg of CaCO3 (placebo)...
April 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28398928/anesthetic-management-of-mitochondrial-encephalopathy-with-lactic-acidosis-and-stroke-like-episodes-melas-syndrome-in-a-high-risk-pregnancy-a-case-report
#14
Josh D Bell, Kushlin Higgie, Mital Joshi, Joshua Rucker, Sahar Farzi, Naveed Siddiqui
MELAS syndrome (mitochondrial encephalopathy, lactic acidosis, and stroke-like symptoms) is a rare and complex mitochondrial disorder. We present the in-hospital course of a 36-year-old gravida 2, para 0 with MELAS syndrome and severe preeclampsia, complicated by hyponatremia, hyperkalemia, and diabetes. A retained placenta with postpartum hemorrhage required urgent instrumental delivery under spinal anesthesia, transfusion, and intensive care unit admission for pulmonary edema, effusions, and atelectasis. Postpartum endometritis and sepsis also were encountered...
April 10, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28396201/pharmacological-but-not-genetic-alteration-of-neural-epo-modifies-the-co2-h-central-chemosensitivity-in-postnatal-mice
#15
Sofien Laouafa, Anne-Sophie Perrin-Terrin, Florine Jeton, Elizabeth Elliot-Portal, Rose Tam, Laurence Bodineau, Nicolas Voituron, Jorge Soliz
Cerebral erythropoietin (Epo) plays a crucial role for respiratory control in newborn rodents. We showed previously that soluble Epo receptor (sEpoR: an Epo antagonist) reduces basal ventilation and hypoxic hyperventilation at postnatal day 10 (P10) and in adult mice. However, at these ages (P10 and adulthood), Epo had no effect on central chemosensitivity. Nevertheless, it is known that the sensitivity to CO2/H(+) during the mammalian respiratory network maturation process is age-dependent. Accordingly, in this study we wanted to test the hypothesis that cerebral Epo is involved in the breathing stimulation induced by the activation of central CO2/H(+) chemoreceptors at earlier postnatal ages...
April 8, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28390722/factors-influencing-ruminal-bacterial-community-diversity-and-composition-and-microbial-fibrolytic-enzyme-abundance-in-lactating-dairy-cows-with-a-focus-on-the-role-of-active-dry-yeast
#16
Ousama AlZahal, Fuyong Li, Le Luo Guan, Nicola D Walker, Brian W McBride
The objective of the current study was to employ a DNA-based sequencing technology to study the effect of active dry yeast (ADY) supplementation, diet type, and sample location within the rumen on rumen bacterial community diversity and composition, and to use an RNA-based method to study the effect of ADY supplementation on rumen microbial metabolism during high-grain feeding (HG). Our previous report demonstrated that the supplementation of lactating dairy cows with ADY attenuated the effect of subacute ruminal acidosis...
April 5, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28385806/urine-ammonium-predicts-clinical-outcomes-in-hypertensive-kidney-disease
#17
Kalani L Raphael, David J Carroll, Jennifer Murray, Tom Greene, Srinivasan Beddhu
Metabolic acidosis is associated with poor outcomes in CKD. Because impaired renal ammonium excretion is important in the pathogenesis of acidosis, urine ammonium excretion might be a better and perhaps earlier acid-base indicator of risk than serum bicarbonate, particularly in patients without acidosis. We evaluated the association between baseline ammonium excretion and clinical outcomes in African American Study of Kidney Disease and Hypertension participants (n=1044). Median daily ammonium excretion was 19...
April 6, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28382558/watery-stools-and-metabolic-acidosis
#18
Maria Chiara Ferrari, Luca Miele, Luisa Guidi, Guido Rindi, Carlo Rocchi, Paola Castaldi, Sergio Alfieri, Antonio Gasbarrini, Antonio Grieco, Gianlodovico Rapaccini
No abstract text is available yet for this article.
April 5, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28381666/acquired-fanconi-syndrome-in-two-dogs-following-long-term-consumption-of-pet-jerky-treats-in-japan-case-report
#19
Akira Yabuki, Tomoko Iwanaga, Urs Giger, Mariko Sawa, Moeko Kohyama, Osamu Yamato
Renal Fanconi syndrome has recently been associated with the ingestion of pet jerky treats from China in mostly small breed dogs in North America, Australia and Europe. We report here about two dogs with Fanconi syndrome following pet jerky treats exposure in Japan. A mixed-breed dog and a French bulldog showed weight loss, polyuria and polydipsia. For years, the owners had been feeding large quantities of pet jerky treats containing chicken prepared in China. Diagnostics revealed glycosuria without hyperglycemia, severe aminoaciduria, and in one case also ketonuria, hypokalemia and metabolic acidosis...
April 1, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28381391/brugada-phenocopy-induced-by-propafenone-overdose-and-successful-treatment-a-case-report
#20
Mehmet Emre Arı, Filiz Ekici
BACKGROUND: Brugada syndrome is an inherited arrhythmogenic disease that may cause sudden cardiac death due to ventricular fibrillation in young adults. Brugada syndrome caused by propafenone intoxication has been noted rarely in the literature. We reported a rare case, Brugada-phenocopy due to propafenone intoxication and its treatment. CASE REPORT: A fifteen-year-old girl having a seizure was brought to the emergency room. She took 1.5 g propafenone (Rythmol, Abbott, Chicago, IL, USA) for suicidal intention...
April 6, 2017: Balkan Medical Journal
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