49,957 results match your criteria Metabolic Acidosis


A Case of Renal Involvement in B Lymphoblastic Lymphoma Leukemia.

Clin Lab 2019 Jan;65(1)

Background: Renal involvement is rare in B lymphoblastic lymphoma (B-LBL). The authors describe a rare case of renal involvement in a 21-year-old male patient with B lymphoblastic lymphoma leukemia, presenting with severe lactic acidosis.

Methods: Hematologic investigation, bone marrow aspirate and biopsy, cytogenetic analysis and renal biopsy were performed. Read More

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http://dx.doi.org/10.7754/Clin.Lab.2018.180726DOI Listing
January 2019

Ibuprofen-Induced Renal Tubular Acidosis.

Authors:
Toru Watanabe

Kidney Int Rep 2019 Feb 24;4(2):360. Epub 2018 Dec 24.

Department of Pediatrics, Niigata City General Hospital, Niigata City, Japan.

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http://dx.doi.org/10.1016/j.ekir.2018.11.021DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6365401PMC
February 2019

Metabolic Acidosis of Chronic Kidney Disease and Cardiovascular Disorders.

Maedica (Buchar) 2018 Dec;13(4):267-272

Nephrology Department, "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania.

The burden of chronic diseases, which include both cardiovascular diseases (CVD) and chronic kidney disease (CKD), is constantly growing worldwide. Moreover, bidirectional links between kidney and heart disorders are commonly recognized and the pathogenesis of these interactions is a matter of current interest in medicine. One remarkable aspect, extensively showed by epidemiological studies, is the very high prevalence of CVD in patients with CKD, up to thirty times higher than in the general population. Read More

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http://dx.doi.org/10.26574/maedica.2018.13.4.267DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6362877PMC
December 2018

Treatment and long-term outcome in primary distal renal tubular acidosis.

Nephrol Dial Transplant 2019 Feb 18. Epub 2019 Feb 18.

Department of Paediatric Nephrology, Great Ormond Street Hospital for Children, NHS Foundation Trust, London, UK.

Background: Primary distal renal tubular acidosis (dRTA) is a rare disorder, and we aimed to gather data on treatment and long-term outcome.

Methods: We contacted paediatric and adult nephrologists through European professional organizations. Responding clinicians entered demographic, biochemical, genetic and clinical data in an online form. Read More

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http://dx.doi.org/10.1093/ndt/gfy409DOI Listing
February 2019

Is Metabolic Acidosis a Friend or Foe for Cardiovascular Disease in Kidney Transplant Recipients?

Am J Kidney Dis 2019 Feb 14. Epub 2019 Feb 14.

Division of Nephrology-Hypertension, Department of Medicine, University of California San Diego, San Diego, CA; Nephrology Section, Veterans Affairs San Diego Healthcare System, La Jolla, CA; Division of Preventive Medicine, Department of Family Medicine and Public Health, University of California San Diego, San Diego, CA. Electronic address:

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http://dx.doi.org/10.1053/j.ajkd.2019.01.006DOI Listing
February 2019

Inhibitory ASIC2-mediated calcineurin/NFAT against colorectal cancer by triterpenoids extracted from Rhus chinensis Mill.

J Ethnopharmacol 2019 Feb 14. Epub 2019 Feb 14.

Department of Pharmaceutics, Shanghai Eighth People's Hospital, Jiangsu University, Shanghai 200235, China. Electronic address:

Ethnopharmacological Relevance: Studies have shown that the etiology and pathogenesis of colorectal cancer are closely related to the tumor microenvironment, and the cancer tissue is still in the state of "energy deficit" and has to promote energy generation through high glycolysis. Rhus chinensis Mill is a Chinese herbal medicine used to treat various types of solid tumors in China. Colorectal cancer (CRC) is a heterogeneous disease group caused by abnormal changes in glucose metabolism resulted in lactic acid production, which remodels acidosis. Read More

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http://dx.doi.org/10.1016/j.jep.2019.02.029DOI Listing
February 2019

Metaraminol use during spinal anaesthesia for caesarean section: a meta-analysis of randomised controlled trials.

Int J Obstet Anesth 2019 Jan 25. Epub 2019 Jan 25.

Department of Physical Medicine and Rehabilitation, School of Medicine, College of Medicine, Taipei Medical University, Taipei City, Taiwan; Department of Physical Medicine and Rehabilitation, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan; Center for Evidence-Based Health Care, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan. Electronic address:

Introduction: During caesarean section, the use of a vasopressor is often required to achieve haemodynamic stability of the parturient. Metaraminol is a vasopressor used in this context in some countries. However, the differences between metaraminol and other vasopressors remain unclear. Read More

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http://dx.doi.org/10.1016/j.ijoa.2019.01.009DOI Listing
January 2019

Whole exome sequencing revealed mutations in FBXL4, UNC80, and ADKin Thai patients with severe intellectual disabilities.

Gene 2019 Feb 13. Epub 2019 Feb 13.

Center of Excellence for Medical Genomics, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand; Excellence Center for Medical Genetics, King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok 10330, Thailand.

Intellectual disabilities (ID) are etiologically heterogeneous. Advanced molecular techniques could be helpful in identification of the underlying genetic defects. We aimed to characterize clinical and molecular features of three Thai patients with ID. Read More

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http://dx.doi.org/10.1016/j.gene.2019.01.049DOI Listing
February 2019

Evaluation of the sensitivity of Rρ MRI to pH and macromolecular density.

Magn Reson Imaging 2019 Feb 13. Epub 2019 Feb 13.

Department of Radiology, Box 218, University of Cambridge, Cambridge CB2 0QQ, United Kingdom; Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge, United Kingdom, CB2 0QQ. Electronic address:

The tumor microenvironment is characteristically acidic and this extracellular acidosis is known to play a role in carcinogenesis and metastasis and can affect tumor chemosensitivity and radiosensitivity. Intracellular pH has been used as a possible biomarker of salvageable tissue in ischemic stroke. A non-invasive MRI-based approach for the determination and imaging of cerebral pH would be a powerful tool in cancer diagnosis and monitoring, as well as stroke treatment planning. Read More

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http://dx.doi.org/10.1016/j.mri.2019.02.004DOI Listing
February 2019

Near-drowning: new perspectives for human hypoxic acute kidney injury.

Nephrol Dial Transplant 2019 Feb 14. Epub 2019 Feb 14.

Department of Medicine D, Rambam Health Care Campus and Ruth & Bruce Rappaport Faculty of Medicine, Technion-IIT, Haifa, Israel.

Concepts regarding hypoxic acute kidney injury (AKI) are derived from widely used warm ischemia-reflow (WIR) models, characterized by extensive proximal tubular injury and associated with profound inflammation. However, there is ample clinical and experimental data indicating that hypoxic AKI may develop without total cessation of renal blood flow, with a different injury pattern that principally affects medullary thick limbs in the outer medulla. This injury pattern likely reflects an imbalance between blood and oxygen supply and oxygen expenditure, principally for tubular transport. Read More

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http://dx.doi.org/10.1093/ndt/gfz016DOI Listing
February 2019
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Pro-metastatic functions of lipoproteins and extracellular vesicles in the acidic tumor microenvironment.

Cancer Metastasis Rev 2019 Feb 15. Epub 2019 Feb 15.

Department of Clinical Sciences Lund, Section of Oncology and Pathology, Lund University, Barngatan 4, SE-221 85, Lund, Sweden.

Although the overall mortality in cancer is steadily decreasing, major groups of patients still respond poorly to available treatments. The key clinical challenge discussed here relates to the inherent capacity of cancer cells to metabolically adapt to hypoxic and acidic stress, resulting in treatment resistance and a pro-metastatic behavior. Hence, a detailed understanding of stress adaptive responses is critical for the design of more rational therapeutic strategies for cancer. Read More

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http://dx.doi.org/10.1007/s10555-019-09786-5DOI Listing
February 2019

Mesenchymal Stem Cells in Renal Fibrosis: The Flame of Cytotherapy.

Stem Cells Int 2019 13;2019:8387350. Epub 2019 Jan 13.

Transplantation Center of The 3rd Xiangya Hospital, Central South University, Changsha, Hunan 410013, China.

Renal fibrosis, as the fundamental pathological process of chronic kidney disease (CKD), is a pathologic extension of the normal wound healing process characterized by endothelium injury, myofibroblast activation, macrophage migration, inflammatory signaling stimulation, matrix deposition, and remodelling. Yet, the current method of treating renal fibrosis is fairly limited, including angiotensin-converting enzyme inhibition, angiotensin receptor blockade, optimal blood pressure control, and sodium bicarbonate for metabolic acidosis. MSCs are pluripotent adult stem cells that can differentiate into various types of tissue lineages, such as the cartilage (chondrocytes), bone (osteoblasts), fat (adipocytes), and muscle (myocytes). Read More

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https://www.hindawi.com/journals/sci/2019/8387350/
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http://dx.doi.org/10.1155/2019/8387350DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6350586PMC
January 2019
2 Reads

Can Intestinal Pseudo-Obstruction Drive Recurrent Stroke-Like Episodes in Late-Onset MELAS Syndrome? A Case Report and Review of the Literature.

Front Neurol 2019 31;10:38. Epub 2019 Jan 31.

Neurology Unit, IRCCS Foundation Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.

Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS) syndrome is a maternally inherited mitochondrial disorder that is most commonly caused by the m. 3243A>G mutation in the MT-TL1 mitochondrial DNA gene, resulting in impairment of mitochondrial energy metabolism. Although childhood is the typical age of onset, a small fraction (1-6%) of individuals manifest the disease after 40 years of age and usually have a less aggressive disease course. Read More

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https://www.frontiersin.org/article/10.3389/fneur.2019.00038
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http://dx.doi.org/10.3389/fneur.2019.00038DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6365425PMC
January 2019
1 Read

Chondroitin sulfate attenuates acid-induced augmentation of the mechanical response in rat thin-fiber muscle afferents in vitro.

J Appl Physiol (1985) 2019 Feb 14. Epub 2019 Feb 14.

Department of Physiology, Nihon University School of Dentistry, Japan.

Exercise-induced tissue acidosis augments the exercise pressor reflex (EPR). One reason for this may be acid-induced mechanical sensitization in thin-fiber muscle afferents, which is presumably related to EPR. Acid-induced sensitization to mechanical stimulation has been reported to be attenuated in cultured primary-sensory neurons by exogenous chondroitin sulfate (CS) and chondroitinase ABC, suggesting that the extracellular-matrix CS proteoglycan is involved in this sensitization. Read More

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http://dx.doi.org/10.1152/japplphysiol.00633.2018DOI Listing
February 2019

Imaging tumor acidosis: a survey of the available techniques for mapping in vivo tumor pH.

Cancer Metastasis Rev 2019 Feb 14. Epub 2019 Feb 14.

Molecular Imaging Center, Department of Molecular Biotechnology and Health Sciences, University of Turin, Via Nizza 52, Turin, Italy.

Cancer cells are characterized by a metabolic shift in cellular energy production, orchestrated by the transcription factor HIF-1α, from mitochondrial oxidative phosphorylation to increased glycolysis, regardless of oxygen availability (Warburg effect). The constitutive upregulation of glycolysis leads to an overproduction of acidic metabolic products, resulting in enhanced acidification of the extracellular pH (pHe ~ 6.5), which is a salient feature of the tumor microenvironment. Read More

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http://dx.doi.org/10.1007/s10555-019-09782-9DOI Listing
February 2019

[A child with severe growth delay and renal cysts].

G Ital Nefrol 2019 Feb;36(1)

UO Genetica Medica, Ospedale Meyer Firenze.

We describe the case of a 5-year-old who came to our attention for a growth delay. Among the investigations planned because of the child's short stature, we performed an abdominal ultrasound showing normal-sized kidneys with signs of cortico-medullar de-differentiation, diffuse medullary hyperechogenicity with reduction of cortical thickness and cortical-medullary cysts. The ultrasound findings, also confirmed in MRI, led us to suspect a genetically determined cystic nephropathy of the nephronophthisis or medullary cystic disease type. Read More

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February 2019

Metabolic Acidosis Due To Pyroglutamic Acid.

Eur J Case Rep Intern Med 2018 24;5(10):000949. Epub 2018 Oct 24.

Internal Medicine Department, Centro Hospitalar Lisboa Ocidental, Lisbon, Portugal.

Metabolic acidosis is a common clinical disturbance due to increased plasma acidity caused by a primary decrease in serum HCO3- concentration. It is classified as normal or high anion gap metabolic acidosis. High anion gap metabolic acidosis can result from either a decrease in unmeasured cations (K, Ca2, Mg2) or an increase in unmeasured anions (PO, albumin). Read More

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https://www.ejcrim.com/index.php/EJCRIM/article/view/949
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http://dx.doi.org/10.12890/2018_000949DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6346886PMC
October 2018
1 Read

Type II Renal Tubular Acidosis Secondary to Topiramate: A Review.

Cureus 2018 Nov 26;10(11):e3635. Epub 2018 Nov 26.

Department of Nephrology, Maimonides Medical Center, New York, USA.

Topiramate (TMP) is a broad-spectrum anticonvulsant drug used to treat a wide variety of seizure disorders, for migraine prophylaxis, and for many other indications. An important side effect of TMP is metabolic acidosis, which is mediated by renal tubular defects. TMP inhibits carbonic anhydrase, an enzyme that is necessary for acid handling in the proximal renal tubule. Read More

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http://dx.doi.org/10.7759/cureus.3635DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6351003PMC
November 2018
1 Read

Acidification of tumor at stromal boundaries drives transcriptome alterations associated with aggressive phenotypes.

Cancer Res 2019 Feb 12. Epub 2019 Feb 12.

David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology

Acidosis is a fundamental feature of the tumor microenvironment that directly regulates tumor cell invasion by affecting immune cell function, clonal cell evolution, and drug resistance. Despite the important association of tumor microenvironment acidosis with tumor cell invasion, relatively little is known regarding which areas within a tumor are acidic and how acidosis influences gene expression to promote invasion. Here we injected a labeled pH-responsive peptide to mark acidic regions within tumors. Read More

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http://dx.doi.org/10.1158/0008-5472.CAN-18-1604DOI Listing
February 2019

Absence of TXNIP in Human Gives Lactic Acidosis and Low Serum Methionine Linked to Deficient Respiration on Pyruvate.

Diabetes 2019 Feb 12. Epub 2019 Feb 12.

Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-171 77 Stockholm, Sweden

Thioredoxin Interacting Protein (TXNIP) is an alpha arrestin that can bind to and inhibit the antioxidant protein thioredoxin (TXN). TXNIP expression is induced by glucose, promotes ß-cell apoptosis in the pancreas and deletion of its gene in mouse models protects against diabetes. TXNIP is currently studied as a potential new target for antidiabetic drug therapy. Read More

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http://dx.doi.org/10.2337/db18-0557DOI Listing
February 2019
2 Reads

Evaluation of active dried yeast in the diets of feedlot steers. II. Effects on rumen pH and liver health of feedlot steers.

J Anim Sci 2019 Feb 7. Epub 2019 Feb 7.

Department of Animal Science, Texas A&M University, College Station, TX.

The objective of this trial was to determine the benefits of supplementing active dried yeast (ADY; 3 × 1010 CFU/d of Saccharomyces cerevisiae) in diets of growing and finishing steers on ruminal pH and liver health, and evaluate the relationship of these variables with performance traits. Growing beef steers (n = 120) were blocked by weight (i.e. Read More

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http://dx.doi.org/10.1093/jas/skz008DOI Listing
February 2019
1 Read

Celiac crisis, a rare occurrence in adult celiac disease: A systematic review.

World J Clin Cases 2019 Feb;7(3):311-319

Department of Internal Medicine and Gastroenterology, Carol Davila University of Medicine and Pharmacy, Bucharest 020021, Romania.

Background: Celiac crisis (CC), a potentially life-threatening condition, is one of the rare clinical presentations of celiac disease (CD). Several cases have been documented in the literature, mostly in children.

Aim: To perform a review of CC cases reported in adult CD patients. Read More

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http://dx.doi.org/10.12998/wjcc.v7.i3.311DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6369385PMC
February 2019
1 Read

Ketoacidosis - Where Do the Protons Come From?

Trends Biochem Sci 2019 Feb 7. Epub 2019 Feb 7.

Department of Chemistry and Biochemistry, SUNY Oneonta, 108 Ravine Parkway, Oneonta, NY 13820, USA.

In extreme conditions ketosis can progress to ketoacidosis, a dangerous and potentially life-threatening condition. Ketoacidosis is most common in new or poorly treated type 1 diabetes. The acidosis is usually attributed to the 'acidic' nature of the ketone bodies (acetoacetate, 3-hydroxybutyrate, and acetone). Read More

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http://dx.doi.org/10.1016/j.tibs.2019.01.005DOI Listing
February 2019
1 Read

Progression of Peripheral Vestibular Dysfunctions in Patients With a Mitochondrial A3243G Mutation.

Otol Neurotol 2019 Mar;40(3):359-364

Department of Otolaryngology, Faculty of Medicine, University of Tokyo.

Objective: To evaluate the progression of peripheral vestibular dysfunction in patients with an A-to-G point mutation at nucleotide pair 3243 in mitochondrial DNA (A3243G mutation).

Study Design: Retrospective patient series.

Setting: Tertiary referral center. Read More

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http://dx.doi.org/10.1097/MAO.0000000000002091DOI Listing
March 2019
1 Read

Relationship between the albumin level and the anesthesia method and the effect on clinical course in patients with major burns.

Ulus Travma Acil Cerrahi Derg 2019 Jan;25(1):55-59

Department of Anesthesiology and Reanimation, Health Sciences University Ankara Numune Training and Research Hospital, Ankara-Turkey.

Background: Due to a massive increase in capillary permeability during the state of shock caused by burns, albumin and intravascular fluid rapidly move to the extravascular areas. Therefore, hypoalbuminemia is seen as an early and prolonged finding in major burns. Hypoalbuminemia leads to various problems. Read More

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http://dx.doi.org/10.5505/tjtes.2018.71278DOI Listing
January 2019
1 Read

The logistic organ dysfunction system score predicts the prognosis of patients with alcoholic ketoacidosis.

Ren Fail 2018 Nov;40(1):693-699

b Department of Internal Medicine , Changwon Gyeongsang National University Hospital , Changwon , South Korea.

Alcoholic ketoacidosis (AKA) is occasionally associated with multiple complications leading to death. However, no study has yet evaluated prognostic factors in patients with AKA. It is known that the logistic organ dysfunction system (LODS) score is an objective and useful index to predict the prognosis. Read More

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http://dx.doi.org/10.1080/0886022X.2018.1491405DOI Listing
November 2018
1 Read

Clinical Features and Indications Associated with Mortality in Continuous Renal Replacement Therapy for Pediatric Patients.

Indian J Pediatr 2019 Feb 11. Epub 2019 Feb 11.

Pediatric Intensive Care Unit, Acıbadem Mehmet Ali Aydınlar University School of Medicine, Istanbul, Turkey.

Objectives: To identify prognostic factors and indications in patients receiving continuous renal replacement therapy (CRRT) in the pediatric intensive care unit (PICU), and to demonstrate their effect on mortality.

Methods: A total of 63 patients admitted between 2011 and 2014 were included in the study. The demographic information, pediatric risk of mortality (PRISM) scores, vasoactive-inotropic score, indication for CRRT, time of starting CRRT, presence of fluid overload, durations of CRRT, and pediatric intensive care unit (PICU) stay were compared between survivors and non-survivors. Read More

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http://dx.doi.org/10.1007/s12098-019-02868-wDOI Listing
February 2019
1 Read

Organic acid disorders.

Ann Transl Med 2018 Dec;6(24):472

Department of Pediatric and Adolescent Medicine, Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo, Michigan, USA.

Organic acids (OAs) are intermediary products of several amino acid catabolism or degradation via multiple biochemical pathways for energy production. Vitamins or co-factors are often quintessential elements in such degradation pathways and OA metabolism. OAs that result from enzyme defects in these pathways can be identified in body fluids utilizing gas chromatography-mass spectrometry techniques (GC/MS). Read More

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http://dx.doi.org/10.21037/atm.2018.12.39DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6331355PMC
December 2018
2 Reads

Adverse Maternal and Fetal Outcome in Patients with Eclampsia.

J Nepal Health Res Counc 2019 Jan 28;16(41):425-427. Epub 2019 Jan 28.

Department of Obstetrics and Gynecology, BPKIHS, Dharan, Sunsari, Nepal.

Background: Eclampsia is a multisystem disorder that may lead to deterioration of maternal condition, hypoxia and acidosis of fetus. Objective was to evaluate the risk factors associated with adverse maternal and fetal outcome in patients with eclampsia.

Methods: All patients with eclampsia were enrolled after informed consent from February 2013 to February 2014. Read More

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January 2019
1 Read

MELAS syndrome with m.4450 G > A mutation in mitochondrial tRNA gene.

Brain Dev 2019 Feb 7. Epub 2019 Feb 7.

Department of Pediatrics, Jichi Medical University, Japan. Electronic address:

Mutations in the mitochondrial tRNA gene have been reported in only five patients to date, all of whom presented with muscle weakness and exercise intolerance as signs of myopathy. We herein report the case of a 12-year-old girl with focal epilepsy since the age of eight years. At age 11, the patient developed sudden visual disturbances and headaches accompanied by recurrent, stroke-like episodes with lactic acidosis (pH 7. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S03877604183059
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http://dx.doi.org/10.1016/j.braindev.2019.01.006DOI Listing
February 2019
2 Reads

poisoning: a case report of intentional poisoning.

BMJ Case Rep 2019 Feb 9;12(2). Epub 2019 Feb 9.

Neurology, Vinayaka Neuro Multispecialty Clinic, Warangal, India.

We report a case of 50-year-old male patient from tribal area in South Indian state of Telangana, who ingested the liquid extract from crushed leaves of the plant, cleistanthus collinius with the intention of self-harm. Immediate gastric lavage and activated charcoal administration was done and the patient was subsequently admitted into an acute medical care unit. During first 24 hours of monitoring, the patient was clinically stable. Read More

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http://casereports.bmj.com/lookup/doi/10.1136/bcr-2018-22819
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http://dx.doi.org/10.1136/bcr-2018-228197DOI Listing
February 2019
5 Reads

The effects of herd size on the welfare of dairy cows in a pasture-based system using animal- and resource-based indicators.

J Dairy Sci 2019 Feb 6. Epub 2019 Feb 6.

Animal Welfare Science Centre, Melbourne Veterinary School, University of Melbourne, Melbourne, Australia 3010.

Animal welfare assessments were conducted on 50 Australian pasture-based dairy farms of varying herd sizes: 16 small (<300 cows), 15 medium-sized (300-500 cows), 11 large (501-750 cows), and 10 very large (751+ cows). A protocol based on elements of Welfare Quality adapted for Australian conditions was developed to assess the broad categories of good feeding, housing, health, and appropriate behavior. Farm records, body condition scores, integument injuries, fecal plaques, avoidance distance of humans, and fecal pat scoring for acidosis assessment were undertaken. Read More

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http://dx.doi.org/10.3168/jds.2018-14850DOI Listing
February 2019
2 Reads

Biomarkers and clinical rating scales for sodium pyruvate therapy in patients with mitochondrial disease.

Mitochondrion 2019 Feb 7. Epub 2019 Feb 7.

Department of Clinical Laboratory, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan.

Biomarkers and two clinical rating scales-the Japanese mitochondrial disease-rating scale (JMDRS) and Newcastle mitochondrial disease adult scale (NMDAS)-are clinically used when treating patients with mitochondrial disease. We explored the biomarker(s) and clinical rating scale(s) that are appropriate in preparing the protocol for a future clinical trial of sodium pyruvate (SP) therapy. A 48-week, prospective, single-centre, exploratory, clinical study enrolled 11 Japanese adult patients with genetically, biochemically, and clinically confirmed mitochondrial disease; they had intractable lactic acidosis and received SP (0. Read More

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http://dx.doi.org/10.1016/j.mito.2019.02.001DOI Listing
February 2019
1 Read

Dietary Acid Load: mechanisms and evidence of its health repercussions.

Nefrologia 2019 Feb 5. Epub 2019 Feb 5.

Departamento de Nefrología, Instituto Nacional de Cardiología Ignacio Chávez, CDMX, México.

Diet composition has long been known to influence acid-base balance by providing acid or base precursors. In general, foods rich in protein, such as meat, cheese, eggs, and others, increase the production of acid in the body, whereas fruit and vegetables increase alkalis. The capacity of acid or base production of any food is called potential renal acid load (PRAL). Read More

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http://dx.doi.org/10.1016/j.nefro.2018.10.005DOI Listing
February 2019
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Oral Bicarbonate Therapy in Non-Haemodialysis Dependent Chronic Kidney Disease Patients: A Systematic Review and Meta-Analysis of Randomised Controlled Trials.

J Clin Med 2019 Feb 7;8(2). Epub 2019 Feb 7.

NHS Grampian, Aberdeen Royal Infirmary, Foresterhill, Aberdeen, AB25 2ZN, UK.

Metabolic acidosis is a common complication in chronic kidney disease (CKD) patients, and is associated with an accelerated decline in renal function. Oral bicarbonate therapy has been used to counteract metabolic acidosis in CKD for decades. However, until recently, there have been very few intervention studies testing the effectiveness of bicarbonate therapy at improving metabolic acidosis or its consequences in patients with CKD. Read More

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http://dx.doi.org/10.3390/jcm8020208DOI Listing
February 2019
1 Read

Malaria Severity in Mangaluru City in the Southwestern Coastal Region of India.

Am J Trop Med Hyg 2019 Feb;100(2):275-279

Department of Biochemistry and Molecular Biology, Pennsylvania State University College of Medicine, Milton S. Hershey Medical Center, Hershey, Pennsylvania.

Dakshina Kannada district in the Southwestern region of Karnataka state, India, including Mangaluru city is endemic to malaria. About 80% of malaria infections in Mangaluru and its surrounding areas are caused by and the remainder is due to . Malaria-associated clinical complications significantly occur in this region. Read More

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http://dx.doi.org/10.4269/ajtmh.18-0005DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6367599PMC
February 2019
2 Reads

Interaction of rs316019 variants of SLC22A2 with metformin and other drugs- an analysis.

J Genet Eng Biotechnol 2018 Dec 1;16(2):769-775. Epub 2018 Feb 1.

Department of Genetic Engineering and Biotechnology, University of Dhaka, Dhaka 1000, Bangladesh.

Metformin is one of the first-line and most widely prescribed drugs to treat type 2 diabetes (T2D). Its clearance from circulation is mostly facilitated by SLC22A2 (OCT2) in the renal cells. SLC22A2 is a polyspecific organic cation transporter and mediate transport of structurally unrelated endogenous and exogenous compounds including many drugs. Read More

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http://dx.doi.org/10.1016/j.jgeb.2018.01.003DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6353654PMC
December 2018
1 Read

Recovery from acidosis is a robust trigger for loss of force in murine hypokalemic periodic paralysis.

J Gen Physiol 2019 Feb 7. Epub 2019 Feb 7.

Department of Physiology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA

Periodic paralysis is an ion channelopathy of skeletal muscle in which recurrent episodes of weakness or paralysis are caused by sustained depolarization of the resting potential and thus reduction of fiber excitability. Episodes are often triggered by environmental stresses, such as changes in extracellular K, cooling, or exercise. Rest after vigorous exercise is the most common trigger for weakness in periodic paralysis, but the mechanism is unknown. Read More

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http://dx.doi.org/10.1085/jgp.201812231DOI Listing
February 2019
1 Read

Physiologic diagnosis of congenital heart disease in cyanotic neonates.

Curr Opin Pediatr 2019 Feb 5. Epub 2019 Feb 5.

Division of Pediatric Cardiology, Cohen Children's Medical Center of New York - Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, New York, USA.

Purpose Of Review: We aim to improve diagnosis of congenital heart disease (CHD) with cyanosis by physiology for general practitioners to reduce time to appropriate treatment.

Recent Findings: New implementation of the critical congenital heart disease (CCHD) pulse oximetry screen has improved rate of diagnosis of CHD in recent years. However, many infants with cyanotic heart lesions often decompensate before screening in the newborn nursery, or have lesions that are not amenable to pulse oximetry screening and that present later in the emergency room. Read More

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http://dx.doi.org/10.1097/MOP.0000000000000742DOI Listing
February 2019
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Acidosis promotes tumorigenesis by activating AKT/NF-κB signaling.

Cancer Metastasis Rev 2019 Feb 7. Epub 2019 Feb 7.

Cancer Institute and Department of Pharmacology/Toxicology, University of Mississippi Medical Center, Jackson, MS, USA.

The microenvironment of solid tumors is often acidic due to poor vascular perfusion, regional hypoxia, and increased glycolytic activity of tumor cells. Although acidosis is harmful to most types of cells, tumor cells seem well adapted to such harsh conditions. Moreover, overwhelming evidence indicates that tumor cells are more invasive and more aggressive in acidic conditions by a cascade of cell signaling and upregulation of oncogenic gene expression. Read More

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http://dx.doi.org/10.1007/s10555-019-09785-6DOI Listing
February 2019
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Neonatal cardiopulmonary transition in an ovine model of congenital diaphragmatic hernia.

Arch Dis Child Fetal Neonatal Ed 2019 Feb 6. Epub 2019 Feb 6.

The Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Victoria, Australia.

Objective: Infants with a congenital diaphragmatic hernia (CDH) are at high risk of developing pulmonary hypertension after birth, but little is known of their physiological transition at birth. We aimed to characterise the changes in cardiopulmonary physiology during the neonatal transition in an ovine model of CDH.

Methods: A diaphragmatic hernia (DH) was surgically created at 80 days of gestational age (dGA) in 10 fetuses, whereas controls underwent sham surgery (n=6). Read More

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http://dx.doi.org/10.1136/archdischild-2018-316045DOI Listing
February 2019
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[Metabolic acidosis : Diagnosis and treatment].

Med Klin Intensivmed Notfmed 2019 Feb 6. Epub 2019 Feb 6.

Klinik für Nieren‑, Hochdruck- und Autoimmunerkrankungen, Alb Fils Kliniken, Göppingen, Deutschland.

Acid-base disorders and in particular metabolic acidosis are very common in critically ill patients and contribute significantly to morbidity and mortality. We shed light on the most common causes, the pathophysiology and treatments. Particular attention will be paid to the common practice of substituting sodium bicarbonate in the light of recent study results. Read More

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http://dx.doi.org/10.1007/s00063-019-0538-yDOI Listing
February 2019
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The effect of inspiratory muscle fatigue on acid-base status and performance during race-paced middle-distance swimming.

J Sports Sci 2019 Feb 6:1-7. Epub 2019 Feb 6.

b Faculty of Sport , University of Ljubljana , Ljubljana , Slovenia.

The aim of this study was to investigate the effect of pre-induced inspiratory muscle fatigue (IMF) on race-paced swimming and acid-base status. Twenty-one collegiate swimmers performed two discontinuous 400-m race-paced swims on separate days, with (IMF trial) and without (control trial) pre-induced IMF. Swimming characteristics, inspiratory and expiratory mouth pressures, and blood parameters were recorded. Read More

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http://dx.doi.org/10.1080/02640414.2019.1574250DOI Listing
February 2019
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Congenital lactic acidosis, cerebral cysts and pulmonary hypertension in an infant with FOXRED1 related complex I deficiency.

Mol Genet Metab Rep 2019 Mar 18;18:32-38. Epub 2019 Jan 18.

University of British Columbia, Head Division of Biochemical Genetics, BC Children's Hospital, Room K3-205, 4480 Oak Street, Vancouver, BC V6H 3V4, Canada.

Mitochondrial complex I is encoded by 38 nuclear-encoded and 7 mitochondrial-encoded genes. is one of the 13 additional nuclear genes known as assembly factors. So far, four patients have been described with complex I deficiency caused by autosomal recessive mutations in Here, we report the fifth patient with related complex 1 deficiency presenting with prenatal onset of bilateral periventricular cysts, congenital lactic acidosis, and persistent life-limiting pulmonary hypertension. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S22144269183009
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http://dx.doi.org/10.1016/j.ymgmr.2018.12.006DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6349952PMC
March 2019
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p38 mitogen activated protein kinase mediates cardiac Na/H exchanger inhibition induced by Sildenafil.

Eur J Pharmacol 2019 Feb 2;849:96-105. Epub 2019 Feb 2.

Centro de Investigaciones Cardiovasculares "Dr. Horacio E. Cingolani", Facultad de Ciencias Médicas, Universidad Nacional de La Plata, Calle 60 y 120, 1900 La Plata, Argentina. Electronic address:

Since the original description as potent antianginal compounds, phosphodiesterase 5A inhibitors have continuously increased their possible therapeutic applications. In the heart, Sildenafil was shown to protect against an ischemic insult by decreasing cardiac Na/H exchanger (NHE1) activity, action that was mediated by protein kinase G. p38 mitogen activated protein kinase (p38MAPK) activation was described in cardiac ischemia, but its precise role remains elusive. Read More

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http://dx.doi.org/10.1016/j.ejphar.2019.01.070DOI Listing
February 2019
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Cellular acidosis triggers human MondoA transcriptional activity by driving mitochondrial ATP production.

Elife 2019 Feb 5;8. Epub 2019 Feb 5.

Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, United States.

Human MondoA requires glucose as well as other modulatory signals to function in transcription. One such signal is acidosis, which increases MondoA activity and also drives a protective gene signature in breast cancer. How low pH controls MondoA transcriptional activity is unknown. Read More

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http://dx.doi.org/10.7554/eLife.40199DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6363388PMC
February 2019
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Membrane potential changes occurring upon acidification influence the binding of small-molecule inhibitors to ASIC1a.

Neuropharmacology 2019 Feb 1;148:366-376. Epub 2019 Feb 1.

San Raffaele Scientific Institute, via Olgettina 60, 20132, Milan, Italy; San Raffaele University, via Olgettina 58, 20132, Milan, Italy. Electronic address:

Acid-sensing ion channels (ASICs) are proton-activated, sodium-permeable channels, highly expressed in both central and peripheral nervous systems. ASIC1a is the most abundant isoform in the central nervous system and is credited to be involved in several neurological disorders including stroke, multiple sclerosis, and epilepsy. Interestingly, the affinity of ASIC1a for two antagonists, diminazene and amiloride, has recently been proposed to be voltage sensitive. Read More

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http://dx.doi.org/10.1016/j.neuropharm.2019.01.033DOI Listing
February 2019
1 Read