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Metabolic acidosis

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https://www.readbyqxmd.com/read/29026846/intracranial-hemorrhage-in-methanol-toxicity-challenging-the-probable-heparin-effect-during-hemodialysis
#1
Hossein Hassanian-Moghaddam, Hooman Bahrami-Motlagh, Nasim Zamani, Seyed Amirhossein Fazeli, Behdad Behnam
Brain hemorrhages are rare complications of acute methanol poisoning. There is a debate on association of brain hemorrhage in methanol toxicity and application of systemic anticoagulation during hemodialysis (HD). A 70-year-old male presented to us with severe metabolic acidosis and a methanol level of 7.6 mg/dL. Ethanol and folinic acid were administered, and HD was performed. Brain computed tomography (CT) scan which was normal on presentation showed extensive bilateral subcortical supratentorial hypodensities on the 3(rd) day after commencing the treatment...
July 2017: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/29026537/negative-effects-of-long-term-feeding-of-high-grain-diets-to-lactating-goats-on-milk-fat-production-and-composition-by-regulating-gene-expression-and-dna-methylation-in-the-mammary-gland
#2
Ping Tian, Yanwen Luo, Xian Li, Jing Tian, Shiyu Tao, Canfeng Hua, Yali Geng, Yingdong Ni, Ruqian Zhao
BACKGROUND: It is well known that feeding a high concentrate (HC) diet to lactating ruminants likely induces subacute ruminal acidosis (SARA) and leads to a decrease in milk fat production. However, the effects of feeding a HC diet for long periods on milk fatty acids composition and the mechanism behind the decline of milk fat still remains poorly understood. The aim of this study was to investigate the impact of feeding a HC diet to lactating dairy goats on milk fat yield and fatty acids composition with an emphasis on the mechanisms underlying the milk fat depression...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29018645/dietary-therapy-for-von-gierke-s-disease-a-case-report
#3
Mohammad Raza, Fehmina Arif, Pirthvi Raj Giyanwani, Saad Azizullah, Sonum Kumari
Von Gierke's disease, also known as glycogen storage disease (GSD) type 1A, is an autosomal recessive disease in which there is an inability to cleave glycogen to glucose because of a glucose 6 phosphate deficiency resulting in hypoglycemia and lactic acidosis. The patient may present with hepatomegaly and signs and symptoms of hypoglycemia. We diagnosed a case of Von Gierke's disease in a seven-month-old female infant who was admitted for abdominal distension, vomiting, and lethargy for a duration of four months with characteristic rounded doll's face, fatty cheeks, protuberant abdomen, and massive hepatomegaly...
August 8, 2017: Curēus
https://www.readbyqxmd.com/read/29017562/contextual-tumor-suppressor-function-of-t-cell-death-associated-gene-8-tdag8-in-hematological-malignancies
#4
Calvin R Justus, Edward J Sanderlin, Lixue Dong, Tianai Sun, Jen-Tsan Chi, Kvin Lertpiriyapong, Li V Yang
BACKGROUND: Extracellular acidosis is a condition found within the tumor microenvironment due to inadequate blood perfusion, hypoxia, and altered tumor cell metabolism. Acidosis has pleiotropic effects on malignant progression; therefore it is essential to understand how acidosis exerts its diverse effects. TDAG8 is a proton-sensing G-protein-coupled receptor that can be activated by extracellular acidosis. METHODS: TDAG8 gene expression was analyzed by bioinformatic analyses and quantitative RT-PCR in human hematological malignancies...
October 10, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29016355/genetic-analysis-of-fructose-1-6-bisphosphatase-fbpase-deficiency-in-nine-consanguineous-pakistani-families
#5
Sadaqat Ijaz, Muhammad Yasir Zahoor, Muhammad Imran, Khushnooda Ramzan, Munir Ahmad Bhinder, Hussain Shakeel, Muhammad Iqbal, Asim Aslam, Wasim Shehzad, Huma Arshad Cheema, Habib Rehman
BACKGROUND: Fructose-1,6-bisphosphatase (FBPase) deficiency is a rare inherited metabolic disorder characterized by recurrent episodes of hypoglycemia, ketosis and lactic acidosis. FBPase is encoded by FBP1 gene and catalyzes the hydrolysis of fructose-1,6-bisphosphate to fructose-6-phosphate in the last step of gluconeogenesis. We report here FBP1 mutations in nine consanguineous Pakistani families affected with FBPase deficiency. METHODS: Nine families having one or two individuals affected with FBPase deficiency were enrolled over a period of 3 years...
October 9, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28994854/alkoholketoacidos-%C3%A3-r-en-v%C3%A3-l-dokumenterad-men-t%C3%A3-mligen-ok%C3%A3-nd-diagnos-m%C3%A3-jlig-orsak-till-d%C3%A3-dsfall-bland-personer-med-alkoholproblem
#6
Jonas Höjer
Alcoholic ketoacidosis - a review A chronic alcoholic with severe metabolic acidosis presents a difficult diagnostic problem in the emergency room. Over and above methanol- and ethylene glycol intoxication, alcoholic ketoacidosis is a common but less recognized etiology. The disorder occurs in alcoholics who have had a recent binge drinking followed by the abrupt cessation of alcohol consumption because of abdominal pain and vomiting, with resulting dehydration, starvation, and then a β-hydroxybutyrate dominated ketoacidosis...
October 3, 2017: Läkartidningen
https://www.readbyqxmd.com/read/28994037/pathophysiology-diagnosis-and-treatment-of-inherited-distal-renal-tubular-acidosis
#7
REVIEW
Nilufar Mohebbi, Carsten A Wagner
Distal renal tubular acidosis (dRTA) is a tubular disorder with a primary defect of urinary acidification and acid excretion in the collecting duct system. Consequently, patients develop hyperchloremic metabolic acidosis with an inappropriately alkaline urine. Inherited forms of dRTA are due to mutations in at least three distinct genes: SLC4A1, ATP6V1B1, ATP6V0A4. Mutations in SLC4A1-(AE1) are inherited either in an autosomal dominant manner or in a recessive one. ATP6V1B and ATP6V0A4 mutations affect two different subunits of the vacuolar H(+)-ATPase proton-pump, the B1 and a4 subunits, and are inherited in an autosomal recessive manner...
October 9, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28992874/poisoning-after-ingestion-of-spartium-junceum-seeds-dose-dependent-effects-in-three-boys
#8
Nuria Giménez, Noemí Magro, Nuria Cortés, Raimon Guitart
BACKGROUND: Spanish broom (Spartium junceum L.) is an ornamental, medicinal, and potentially poisonous plant. CASE REPORT: Three children, aged 5-6 years, were accidentally poisoned from ingesting a variable number of seeds of Spanish broom. This plant contains several quinolizidine alkaloids as cytisine, which act as an agonist of nicotinic acetylcholine receptors. The potential danger varies, depending on the dose. After having ingested one to two seeds, one of the boys was asymptomatic...
September 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28991826/relationship-of-at-admission-lactate-unmeasured-anions-and-chloride-to-the-outcome-of-critically-ill-patients
#9
Fabio Daniel Masevicius, Paolo Nahuel Rubatto Birri, Alejandro Risso Vazquez, Facundo Emanuel Zechner, María Fernanda Motta, Emilio Daniel Valenzuela Espinoza, Sebastián Welsh, Ernesto Fidel Guerra Arias, Mariano Andrés Furche, Fernando Daniel Berdaguer, Arnaldo Dubin
OBJECTIVES: To investigate the association between the concentration of the causative anions responsible for the main types of metabolic acidosis and the outcome. DESIGN: Prospective observational study. SETTING: Teaching ICU. PATIENTS: All patients admitted from January 2006 to December 2014. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Four thousand nine hundred one patients were admitted throughout the study period; 1,609 met criteria for metabolic acidosis and 145 had normal acid-base values...
October 6, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28988498/2-methyl-4-chlorophenoxyacetic-acid-mcpa-and-bromoxynil-herbicide-ingestion
#10
Angela L Chiew, Colin B Page, David Clancy, Ahmed Mostafa, Michael S Roberts, Geoffrey K Isbister
CONTEXT: Ingestion of bromoxynil and 2-methyl-4-chlorophenoxyacetic acid (MCPA) in combination is associated with high mortality. Toxicity is characterised by hyperthermia and metabolic acidosis. Dialysis is a proposed treatment, but little data exist regarding its effectiveness. CASE DETAILS: Case 1: A 50-year-old female presented 18 h post-ingestion of 200  mL of bromoxynil(200 g/L) and MCPA(200 g/L). She was agitated, tachycardic and tachypnoeic. She was intubated and continuous venovenous haemodiafiltration (CVVHDF) was commenced...
October 9, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28987581/effects-of-the-level-and-duration-of-maternal-diets-with-negative-dietary-cation-anion-differences-prepartum-on-calf-growth-immunity-and-mineral-and-energy-metabolism
#11
C Collazos, C Lopera, J E P Santos, J Laporta
The objectives were to investigate the effects that maternal diets containing negative dietary cation-anion differences (DCAD) fed in the last 42 d of gestation may have on the acid-base status, hematology, mineral and energy metabolism, growth, and health of calves. The experiment was a randomized block design with a 2 × 2 factorial arrangement of 2 levels of negative DCAD (-70 or -180 mEq/kg) and 2 feeding durations (the last 21 d prepartum and the last 42 d prepartum). Bulls and heifers (n = 60) born to these dams were weighted at birth and fed 3...
October 4, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28985713/patients-with-glycogen-storage-diseases-undergoing-anesthesia-a-case-series
#12
Carmelina Gurrieri, Juraj Sprung, Toby N Weingarten, Mary E Warner
BACKGROUND: Glycogen storage diseases are rare genetic disorders of glycogen synthesis, degradation, or metabolism regulation. When these patients are subjected to anesthesia, perioperative complications can develop, including hypoglycemia, rhabdomyolysis, myoglobinuria, acute renal failure, and postoperative fatigue. The objective of this study was to describe the perioperative course of a cohort of patients with glycogen storage diseases. METHODS: This is a retrospective review of patients with glycogen storage diseases undergoing anesthetic care at our institution from January 1, 1990, through June 30, 2015 to assess perioperative management and outcomes...
October 6, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28984162/acid-base-regulation-and-sensing-accelerators-and-brakes-in-metabolic-regulation-of-cerebrovascular-tone
#13
Ebbe Boedtkjer
Metabolic regulation of cerebrovascular tone directs blood flow to areas of increased neuronal activity and during disease states partially compensates for insufficient perfusion by enhancing blood flow in collateral blood vessels. Acid-base disturbances frequently occur as result of enhanced metabolism or insufficient blood supply, but despite definitive evidence that acid-base disturbances alter arterial tone, effects of individual acid-base equivalents and the underlying signaling mechanisms are still being debated...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28982378/efficacy-and-safety-of-a-balanced-salt-solution-versus-a-0-9-saline-infusion-for-the-prevention-of-contrast-induced-acute-kidney-injury-basic-trial-a-study-protocol-for-a-randomized-controlled-trial
#14
Hyung Ah Jo, Sehoon Park, Chan-Duck Kim, Hee-Yeon Jung, Jang-Hee Cho, Ran-Hui Cha, Ea Wha Kang, Tae Ik Chang, Sejoong Kim, Hyung-Jong Kim, Byung Ha Chung, Jung Pyo Lee, Jung Tak Park, Seung Hyeok Han, Tae-Hyun Yoo, Dong-Ryeol Ryu, Sung Jin Moon, Jae Hyun Chang, Dong Ki Kim, Kwon Wook Joo
BACKGROUND: Contrast-induced acute kidney injury (CI-AKI) is one of the most common causes of iatrogenic kidney injury and, therefore, its prevention is an important issue. However, whether the administration of 0.9% saline is the optimal prophylaxis method remains uncertain due to its supra-physiologic chloride component. In particular, recent studies suggest that chloride-restricted solutions showed superiority over 0.9% saline in several clinical settings. METHODS/DESIGN: The investigators designed a multicenter randomized controlled trial to compare the efficacy of a balanced salt solution and 0...
October 5, 2017: Trials
https://www.readbyqxmd.com/read/28980857/oral-administration-of-oxalate-enriched-spinach-extract-as-an-improved-methodology-for-the-induction-of-dietary-hyperoxaluric-nephrocalcinosis-in-experimental-rats
#15
Abhishek Albert, Vidhi Tiwari, Eldho Paul, Sasikumar Ponnusamy, Divya Ganesan, Rajkumar Prabhakaran, Selvi Mariaraj Sivakumar, Selvam Govindan Sadasivam
Experimental induction of hyperoxaluria by ethylene glycol (EG) administration is disapproved as it causes metabolic acidosis while the oral administration of chemically synthesized potassium oxalate (KOx) diet does not mimic our natural system. Since existing models comprise limitations, the present study is aimed to develop an improved model for the induction of dietary hyperoxaluria and nephrocalcinosis in experimental rats by administration of naturally available oxalate rich diet. Male albino Wistar rats were divided into five groups...
October 5, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28980449/high-volume-continuous-venovenous-hemodiafiltration-plus-resin-hemoperfusion-improve-severe-metformin-associated-toxicity
#16
Shuangxin Liu, Lixia Xu, Jianchao Ma, Renwei Huang, Ting Lin, Zhuo Li, Huabang Liang, Sijia Li, Ruizhao Li, Li Zhang, Yiming Tao, Zhilian Li, Yuanhan Chen, Zhiming Ye, Bin Zhang, Wenjian Wang, Houqing Xiao, Xinling Liang, Wei Shi
We present the case of a 42-year-old female patient who attempted suicide by taking approximately 100 tablets of metformin (500 mg). Laboratory tests revealed severe lactic acidosis with lactate levels of 24 mmol/L and pH of 7.09. The patient was treated with high-volume continuous venovenous hemodiafiltration (CVVH) and resin-sorbent hemoperfusion. Metformin concentrations were measured by high-performance liquid chromatography (HPLC) during CVVH and hemoperfusion treatment. Before extracorporeal treatment, plasma metformin concentration was 208...
October 5, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28977297/initial-clinical-presentation-in-cases-of-inborn-errors-of-metabolism-in-a-reference-children-s-hospital-still-a-diagnostic-challenge
#17
Andressa Romão, Priscila Endlich Alves Simon, José Eduardo Coutinho Góes, Louise Lapagessede Camargo Pinto, Roberto Giugliani, Gisele Rozone de Luca, Francisca Ligia Cirilo Carvalho
OBJECTIVE: To assess the initial clinical presentation of confirmed cases of inborn errors of metabolism (IEM) at a reference facility for pediatric care. METHODS: Cross-sectional, observational and descriptive study with data collection of outpatients, from January 2009 to December 2013. Inclusion criterion: referral to IEM investigation. Exclusion criterion: prior diagnosis of IEM. Analyzed variables: identification data; status of diagnostic investigation; family history of IEM; initial clinical presentation, laboratory abnormalities related to the hypothesis of IEM...
July 2017: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
https://www.readbyqxmd.com/read/28971236/gender-specific-association-between-dietary-acid-load-and-total-lean-body-mass-and-its-dependency-on-protein-intake-in-seniors
#18
A M Faure, K Fischer, B Dawson-Hughes, A Egli, H A Bischoff-Ferrari
Diet-related mild metabolic acidosis may play a role in the development of sarcopenia. We investigated the relationship between dietary acid load and total lean body mass in male and female seniors age ≥ 60 years. We found that a more alkaline diet was associated with a higher %TLM only among senior women. INTRODUCTION: The aim of this study was to determine if dietary acid load is associated with total lean body mass in male and female seniors age ≥ 60 years. METHODS: We investigated 243 seniors (mean age 70...
October 2, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28966756/preventive-kidney-stones-continue-medical-education
#19
REVIEW
Farahnak Assadi, Mastaneh Moghtaderi
Nephrolithiasis is a common health problem across the globe with a prevalence of 15%-20%. Idiopathic hypercalciuria is the most common cause of nephrolithiasis, and calcium oxalate stones are the most common type of stones in idiopathic hypercalciuric patients. Calcium phosphate stones are frequently associated with other diseases such as renal tubular acidosis type 1, urinary tract infections, and hyperparathyroidism. Compared with flat abdominal film and renal sonography, a noncontrast helical computed tomography scan of the abdomen is the diagnostic procedure of choice for detection of small and radiolucent kidney stones with sensitivity and specificity of nearly 100%...
2017: International Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28966145/how-important-is-the-co2-chemoreflex-for-the-control-of-breathing-environmental-and-evolutionary-considerations
#20
Joseph M Santin
Haldane and Priestley (1905) discovered that the ventilatory control system is highly sensitive to CO2. This "CO2 chemoreflex" has been interpreted to dominate control of resting arterial PCO2/pH (PaCO2/pHa) by monitoring PaCO2/pHa and altering ventilation through negative feedback. However, PaCO2/pHa varies little in mammals as ventilation tightly couples to metabolic demands, which may minimize chemoreflex control of PaCO2. The purpose of this synthesis is to (1) interpret data from experimental models with meager CO2 chemoreflexes to infer their role in ventilatory control of steady-state PaCO2, and (2) identify physiological causes of respiratory acidosis occurring normally across vertebrate classes...
September 28, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
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