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https://www.readbyqxmd.com/read/29163194/on-the-metabolism-of-exogenous-ketones-in-humans
#1
Brianna J Stubbs, Pete J Cox, Rhys D Evans, Peter Santer, Jack J Miller, Olivia K Faull, Snapper Magor-Elliott, Satoshi Hiyama, Matthew Stirling, Kieran Clarke
Background and aims: Currently there is considerable interest in ketone metabolism owing to recently reported benefits of ketosis for human health. Traditionally, ketosis has been achieved by following a high-fat, low-carbohydrate "ketogenic" diet, but adherence to such diets can be difficult. An alternative way to increase blood D-β-hydroxybutyrate (D-βHB) concentrations is ketone drinks, but the metabolic effects of exogenous ketones are relatively unknown. Here, healthy human volunteers took part in three randomized metabolic studies of drinks containing a ketone ester (KE); (R)-3-hydroxybutyl (R)-3-hydroxybutyrate, or ketone salts (KS); sodium plus potassium βHB...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29153297/pain-management-practice-and-guidelines-in-jordanian-pediatric-intensive-care-units
#2
Ahmad Ismail, Paula Forgeron, Viola Polomeno, Huda Gharaibeh, Denise Harrison
Limited knowledge exists of current pain management practices and supporting guidelines in Jordanian pediatric intensive care units. To determine the current pain management practices and the availability and content of practice guidelines in Jordanian pediatric intensive care units, we conducted a cross-sectional and multisite survey of four pediatric intensive care units in Jordan. A questionnaire was developed and orally administered over the phone or in person to head nurses or their nominees to capture pain management practices and the existence and content of guidelines...
November 15, 2017: Pain Management Nursing: Official Journal of the American Society of Pain Management Nurses
https://www.readbyqxmd.com/read/29151340/coupling-microchip-electrospray-ionization-devices-with-high-pressure-mass-spectrometry
#3
William M Gilliland, John Scott Mellors, J Michael Ramsey
A microchip electrospray ionization source was coupled with high pressure mass spectrometry (HPMS). A continuous atmospheric inlet consisting of a stainless steel capillary and DC ion optics was designed to conduct ions into the mass spectrometer. Infusions of amino acids and peptides were performed and detected with a miniature cylindrical ion trap (mini-CIT) based mass spectrometer operated at ≥ 1 Torr with air as the buffer gas. Detection of glycine and thymopentin (separately) demonstrated the mass range of the mini-CIT detector could span from m/z 75 to 681...
November 18, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29150413/-the-situation-as-regards-diabetes-mellitus-type-1-in-andalusia-care-data-use-of-advanced-therapies-and-human-resources
#4
Juan Pedro López Siguero, Olga Pérez González, Ana Lucía Gómez Gila, Isabel Leiva Gea
INTRODUCTION: The representation of Spain in European epidemiological studies on diabetes is limited, with only one centre in the Hvidoere study and another in the SWEET study. No Spanish studies have been published that combine epidemiological data and care resources. The aim of this study was to determine the epidemiological data, care resources, and use of new technologies in all Andalusian hospitals that care for children with Diabetes Mellitus type 1 (DM1) under 14 years. MATERIAL AND METHODS: An electronic questionnaire of 18 questions was sent to all paediatric endocrinologists who treated children with diabetes in Andalusian hospitals...
November 14, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/29150231/diagnosis-of-hyperferritinemia-in-routine-clinical-practice
#5
Bernard Lorcerie, Sylvain Audia, Maxime Samson, Aurélie Millière, Nicolas Falvo, Vanessa Leguy-Seguin, Sabine Berthier, Bernard Bonnotte
The discovery of hyperferritinemia is often fortuitous, revealed in results from a laboratory screening or follow-up test. The aim of the diagnostic procedure is therefore to identify its cause and to identify or rule out hepatic iron overload, in a three-stage process. In the first step, clinical findings and several simple laboratory tests are sufficient to detect four of the most frequent causes of high ferritin concentrations: alcoholism, inflammatory syndrome, cytolysis, and metabolic syndrome. None of these causes is associated with substantial hepatic iron overload...
November 14, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/29144985/a-phase-1-2-study-of-rigosertib-in-patients-with-myelodysplastic-syndromes-mds-and-mds-progressed-to-acute-myeloid-leukemia
#6
Shyamala C Navada, Steven M Fruchtman, Rosalie Odchimar-Reissig, Erin P Demakos, Michael E Petrone, Patrick S Zbyszewski, James F Holland, Lewis R Silverman
This Phase 1/2, dose-escalating study of rigosertib enrolled 22 patients with higher-risk myelodysplastic syndromes (MDS) (n=9) and acute myeloid leukemia (AML; n=13) who had relapsed or were refractory to standard therapy and for whom no second-line therapies were approved. Patients received 3- to 7-day continuous intravenous infusions of rigosertib, an inhibitor of Ras-effector pathways that interacts with the Ras-binding domains, common to several signaling proteins including Raf and PI3 kinase. Rigosertib was administered at doses of 650-1700mg/m(2)/day in 14-day cycles...
November 11, 2017: Leukemia Research
https://www.readbyqxmd.com/read/29144719/real-world-health-plan-claims-analysis-of-differences-in-healthcare-utilization-and-total-cost-in-patients-suffering-from-cluster-headaches-and-those-without-headache-related-conditions
#7
Michael Polson, Todd C Lord, Themmi M Evangelatos, Maria Lopes, Briana L Santaniello
BACKGROUND: According to the World Health Organization, headache disorders are underappreciated by many health systems. These disorders have a substantial impact on quality of life, yet the true correlation between headache conditions and increased total healthcare utilization is not well understood. This study further explores the impact of headache conditions on healthcare utilization. OBJECTIVES: To assess differences in healthcare utilization and total cost in patients suffering from cluster headaches (CH) compared with patients without headache-related conditions...
November 2017: American Journal of Managed Care
https://www.readbyqxmd.com/read/29143987/effect-of-body-temperature-on-the-pharmacokinetics-of-a-triarylmethyl-type-paramagnetic-contrast-agent-used-in-epr-oximetry
#8
Ken-Ichiro Matsumoto, Fuminori Hyodo, James B Mitchell, Murali C Krishna
PURPOSE: Pharmacokinetics of the tri[8-carboxy-2,2,6,6-tetrakis(2-hydroxymethyl)benzo[1,2-d:4,5-d']bis(1,3)dithio-4-yl]methyl radical (Oxo63) after a single bolus and/or continuous intravenous infusion was investigated in tumor-bearing C3H mice with or without body temperature control while under anesthesia. METHOD: The in vivo time course of Oxo63 in blood was measured using X-band electron paramagnetic resonance spectroscopy. Distribution of Oxo63 in normal muscle and tumor tissues was obtained using a surface coil resonator and a 700-MHz electron paramagnetic resonance spectrometer...
November 16, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29142088/muscle-glycogen-synthesis-and-breakdown-are-both-impaired-in-glycogenin-1-deficiency
#9
Mads Godtfeldt Stemmerik, Karen Lindhardt Madsen, Pascal Laforêt, Astrid Emilie Buch, John Vissing
OBJECTIVE: To study fat and carbohydrate metabolism during exercise in patients with glycogenin-1 (GYG1) deficiency, and to study whether IV glucose supplementation can alleviate exercise intolerance in these patients. METHODS: This is a case-control study with 4 patients with GYG1 deficiency and 4 healthy controls. Patients performed 1 hour of cycling at 50% of their maximal workload capacity, while controls cycled at the same absolute workloads as patients. Heart rate was measured continuously, and production and utilization of fat and glucose was assessed by stable isotope technique...
November 15, 2017: Neurology
https://www.readbyqxmd.com/read/29140155/persistent-prevention-of-oxaliplatin-induced-peripheral-neuropathy-using-calmangafodipir-pledox-%C3%A2-a-placebo-controlled-randomised-phase-ii-study-pliant
#10
Bengt Glimelius, Nebojsa Manojlovic, Per Pfeiffer, Baadur Mosidze, Galina Kurteva, Mia Karlberg, Devalingam Mahalingam, Peter Buhl Jensen, Jan Kowalski, Marie Bengtson, Malin Nittve, Jacques Näsström
PURPOSE: Oxaliplatin causes disabling acute and chronic peripheral neuropathy. We explored the preventive effects of calmangafodipir, mimicking the mitochondrial enzyme manganese superoxide dismutase, thereby protecting cells from oxidative stress, in a placebo-controlled, double-blinded randomised phase II study (ClinicalTrials.gov.NCT01619423) in patients with metastatic colorectal cancer (mCRC). PATIENT AND METHODS: mCRC patients treated with modified FOLFOX-6 (folinic acid 200 mg/m(2), 5-fluorouracil bolus 400 mg/m(2), oxaliplatin 85 mg/m(2) and 5-fluorouracil 2400 mg/m(2) continuous infusion for 46 h) every fortnight for 8 cycles in first or second line were eligible...
November 15, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29137593/central-pontine-myelinolysis-after-living-donor-liver-transplant-a-report-of-2-cases
#11
Ya-Lan Hsu, Chia-En Hsieh, Kuo-Hua Lin, Chen-Te Chou, Ping-Yi Lin, Su-Han Wang, Yao-Li Chen
Here, we present 2 patients who developed central pontine myelinolysis after living-donor liver transplant. Both patients had abnormal sodium level before living-donor liver transplant. Patient 1 presented with severe hyponatremia on admission. After administration of 3% saline, her sodium level during the first 24 hours was kept at 100 mEq/L and then increased to 116 mEq/L during the next 24 hours. The level increased 5.8 mEq/L during the 4- to 5-hour transplant procedure. Patient 2 was admitted to the hospital with an unprovoked seizure...
November 15, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29137549/the-impact-of-a-long-acting-oral-sphingosine-1-phosphate-analogue-on-ovarian-aging-in-a-rat-model
#12
Sezcan Mumusoglu, Volkan Turan, Hasan Uckan, Aysegul Suzer, Lale Karakoc Sokmensuer, Gurkan Bozdag
In animal studies, intravenous continuous infusion or peritoneal injection of sphingosine-1-phosphate (S1P) has been shown to decrease chemotherapy- and radiotherapy-induced apoptosis on primordial follicles. Although a long-acting oral form of an S1P analogue (FTY720, fingolimod) has been recently developed and utilized in women with multiple sclerosis, there are no data exploring its ability to avoid spontaneous follicle apoptosis. Thirty 10-month-old female rats were randomly assigned to 3 groups to investigate whether fingolimod would be able to decrease the spontaneous ovarian follicle apoptosis ratio...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/29137476/acute-glycemic-changes-in-brain-and-subcutaneous-tissue-measured-by-continuous-glucose-monitoring-system-in-hereditary-hypertriglyceridemic-rat
#13
M Žourek, P Kyselová, D Čechurová, Z Rušavý
Parallel glucose measurements in blood and other different tissues give us knowledge about dynamics of glycemia changes, which depend on vascularisation, distribution space and local utilization by tissues. Such information is important for the understanding of glucose homeostasis and regulation. The aim of our study was to determine the time-lag between blood, brain, and adipose tissue during rapid glucose changes in a male hHTG rat (n=15). The CGMS sensor Guardian RT (Minimed/Medtronic, USA) was inserted into the brain and into the abdominal subcutaneous tissue...
November 10, 2017: Physiological Research
https://www.readbyqxmd.com/read/29133954/exogenous-ghrelin-administration-increases-alcohol-self-administration-and-modulates-brain-functional-activity-in-heavy-drinking-alcohol-dependent-individuals
#14
M Farokhnia, E N Grodin, M R Lee, E N Oot, A N Blackburn, B L Stangl, M L Schwandt, L A Farinelli, R Momenan, V A Ramchandani, L Leggio
Preclinical evidence suggests that ghrelin, a peptide synthesized by endocrine cells of the stomach and a key component of the gut-brain axis, is involved in alcohol seeking as it modulates both central reward and stress pathways. However, whether and how ghrelin administration may impact alcohol intake in humans is not clear. For, we believe, the first time, this was investigated in the present randomized, crossover, double-blind, placebo-controlled, human laboratory study. Participants were non-treatment-seeking alcohol-dependent heavy-drinking individuals...
November 14, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/29131861/delivery-of-epirubicin-via-slow-infusion-as-a-strategy-to-mitigate-chemotherapy-induced-cardiotoxicity
#15
Fang Yang, Qiao Lei, Lu Li, Jian Chang He, Jiajia Zeng, Chunxiang Luo, Sai-Ching Jim Yeung, Runxiang Yang
BACKGROUND: Continuous infusion of doxorubicin has been a strategy to reduce cardiotoxicity. Epirubicin is another anthracycline in common clinical use. However, evidence is lacking regarding whether this strategy can reduce cardiotoxicity of epirubicin without compromising antineoplastic efficacy. DESIGN AND METHODS: Healthy rats were randomized into groups: epirubicin (8 mg/kg) delivered intraperitoneally via micro osmotic pumps (MOP), epirubicin (8 mg/kg) by intraperitoneal (IP) bolus injection, and placebo control...
2017: PloS One
https://www.readbyqxmd.com/read/29130220/-current-research-progress-and-thinking-of-fecal-microbiota-transplantation-for-the-treatment-of-gastrointestinal-disorders
#16
Ning Li, Hongliang Tian
Fecal microbiota transplantation (FMT), also known as fecal bacteriotherapy or fecal infusion, consists of injection of a liquid filtrate of feces from a healthy donor into the gastrointestinal tract of a recipient individual. FMT has been proposed as a therapeutic approach for functional diseases of the gastrointestinal tract by reestablishment of a wide diversity of intestinal flora. Clostridium difficile infection (CDI) treatment guideline from American Gastroenterology Association (AGA) recommends that FMT can be used as the treatment protocols of relapse CDI...
October 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29129867/a-non-invasive-monitoring-of-propofol-concentration-in-blood-by-a-virtual-surface-acoustic-wave-sensor-array
#17
Fengjiang Zhang, Hao Dong, Xuanlang Zhang, Jin Guo, Yunqing Liu, Cheng Zhou, Xi Zhang, Jun Liu, Min Yan, Xing Chen
Propofol (2,6-diisopropylphenol) is widely used in total intravenous anesthesia. An unknown drug concentration in blood always leads to some side effects in patients with propofol injection. However, the drug concentration in the blood is hard to be continuously measured since invasive sampling causes a loss of blood at each measurement. Here, we introduced a virtual surface acoustic wave sensor array (VSAWSA) to non-invasively detect the propofol concentration in blood through exhaled gases. Calibration was conducted by a parallel test using gas chromatography and mass spectrometry (GC-MS) with solid-phase micro-extraction (SPME) for preconcentration...
2017: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/29129185/combined-use-of-high-doses-of-vasopressin-and-corticosteroids-in-a-patient-with-crohn-s-disease-with-refractory-septic-shock-after-intestinal-perforation-a-case-report
#18
Salvatore Notaro, Marcello Sorrentino, Aniello Ruocco, Annalisa Notaro, Antonio Corcione, Patrizia Murino, Eugenio Piscitelli, Marianna Tamborino
BACKGROUND: In this article, we present a clinical case of refractory septic shock resulting from intestinal perforation treated with high doses of vasopressin and hydrocortisone during emergency surgery. The use of such high doses of vasopressin for this type of shock is not described in the literature. CASE PRESENTATION: A 49-year-old white woman with grade III obesity, Crohn's disease, and an intestinal perforation presented with refractory septic shock. Initially, a low dose of vasopressin was used...
November 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29128873/reinforcement-enhancement-by-nicotine-in-adult-rats-behavioral-selectivity-and-relation-to-mode-of-delivery-and-blood-nicotine-levels
#19
Annie Constantin, Paul B S Clarke
RATIONALE: Reinforcement-enhancing effects of nicotine occur in human subjects and laboratory rats. However, the doses used in animal studies typically exceed smoking-associated levels of exposure, and generalized behavioral activation by nicotine can potentially confound data interpretation. METHODS: During daily 60-min sessions, male adult rats pressed an "active" lever to illuminate a brief cue light. Pressing on either the active or inactive lever retracted both levers for 60 s...
November 11, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29127768/diabetic-ketoacidosis-hyperuricemia-and-encephalopathy-intractable-to-regular-dose-insulin
#20
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
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