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https://www.readbyqxmd.com/read/29161210/index-use-of-smoflipid-in-a-tertiary-intestinal-rehabilitation-and-transplantation-program
#1
Kwai Lam, Thomas Schiano, Maria Isabel Fiel, Kishore Iyer
Long-term parenteral nutrition (PN) may be complicated by PN-associated liver disease (PNALD), and some studies suggest an association between the use of soy-based fat emulsions and PNALD development. Patients' liver function typically improves and PNALD resolves after reducing or stopping a soy-based fat emulsion, and thus lipid minimization has been the primary strategy for managing PNALD in many intestinal rehabilitation programs. However, fat emulsions often cannot be stopped entirely, leading some patients to develop PNALD even after lipid reduction strategies have been implemented...
November 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29145932/lipid-emulsion-more-than-reversing-bupivacaine-cardiotoxicity-potential-organ-protection
#2
Negar Motayagheni, Sheshanna Phan, Ala Nozari, Anthony Atala
Efforts to develop a treatment for bupivacaine cardiotoxicity led to the discovery that Intralipid, a popular brand of intravenous lipid emulsion, could be used not only as an effective treatment for anesthetic-induced cardiac arrest, but also as a means of reversing many other toxicities. Contradictory data exist regarding the mechanism of action of lipid emulsion, a combination of fatty acids traditionally used in parenteral nutrition. Some researchers attribute the effects to lipophilicity and the individual characteristics of the lipids, while other data demonstrate a direct empowering mechanism through cellular upstream and downstream pathways...
2017: Journal of Pharmacy & Pharmaceutical Sciences: a Publication of the Canadian Society for Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29126197/impaired-insulin-action-is-associated-with-increased-glucagon-concentrations-in-non-diabetic-humans
#3
Anu Sharma, Ron T Varghese, Meera Shah, Chiara Dalla Man, Claudio Cobelli, Robert A Rizza, Kent R Bailey, Adrian Vella
Context: Abnormal glucagon concentrations contribute to hyperglycemia but the mechanism(s) of α-cell dysfunction in prediabetes are unclear. Objective: We sought to determine the relative contributions of insulin secretion and action to α-cell dysfunction in non-diabetic subjects across the spectrum of glucose tolerance. Design: This was a cross-sectional study. A subset of subjects (n = 120) was studied in the presence and absence of free fatty acid (FFA) elevation, achieved by infusion of intralipid + heparin, to cause insulin resistance...
November 6, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29122557/-maternal-deaths-due-to-anesthesia-complications-results-from-the-french-confidential-enquiry-into-maternal-deaths-2010-2012
#4
D Chassard
Over the period 2010-2012, maternal mortality linked to anesthesia accounted for 2% of maternal deaths, with no significant change since 2007-2009. Of the 7 maternal deaths analyzed by the expert committee, anesthetic complications were in 5 cases the main cause of death: 4 attributed to direct causes related to anesthetic procedures during childbirth and 1 to indirect cause in connection with an ENT complication during pregnancy. The anesthetic causes of maternal mortality were for the 2010-2012 period: cardiac arrest under spinal anesthesia during caesarean section, local anesthetic intoxication with unsuccessful resuscitation after cardiac arrest without intralipid administration, acute respiratory distress syndrome in the postpartum period after pulmonary aspiration during caesarean section, cardiac arrest during caesarean section under general anesthesia in a context of non-Hodgkin lymphoma with mediastinal syndrome, unsuccessful endotracheal intubation in a context of cellulitis of the oral cavity floor...
November 6, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29121078/indocyanine-green-fluorescence-in-second-near-infrared-nir-ii-window
#5
Zbigniew Starosolski, Rohan Bhavane, Ketan B Ghaghada, Sanjeev A Vasudevan, Alexander Kaay, Ananth Annapragada
Indocyanine green (ICG), a FDA approved near infrared (NIR) fluorescent agent, is used in the clinic for a variety of applications including lymphangiography, intra-operative lymph node identification, tumor imaging, superficial vascular imaging, and marking ischemic tissues. These applications operate in the so-called "NIR-I" window (700-900 nm). Recently, imaging in the "NIR-II" window (1000-1700 nm) has attracted attention since, at longer wavelengths, photon absorption, and scattering effects by tissue components are reduced, making it possible to image deeper into the underlying tissue...
2017: PloS One
https://www.readbyqxmd.com/read/29118840/too-many-pills-to-swallow-a-case-of-a-mixed-overdose
#6
Louise Emily Hopkins, Jonathan Sunkersing, Andrew Jacques
Propranolol is a highly lipid-soluble beta-receptor antagonist. We describe a case of mixed overdose, including propranolol, amlodipine and olanzapine, resulting in severe resistant hypotension which was successfully treated. A 21-year-old student ingested 6.4 g of propranolol, 280 mg of amlodipine and 560 mg of olanzapine. The patient was brought to the emergency department and exhibited signs of severe systemic toxicity - profound hypotension and circulatory collapse, respiratory depression and coma...
August 2017: J Intensive Care Soc
https://www.readbyqxmd.com/read/29095868/effect-of-plasma-free-fatty-acid-supply-on-the-rate-of-ceramide-synthesis-in-different-muscle-types-in-the-rat
#7
Piotr Zabielski, Agnieszka Urszula Błachnio-Zabielska, Beata Wójcik, Adrian Chabowski, Jan Górski
Ceramide is a key compound in sphingolipid metabolism. Dynamics of ceramide synthesis is important in the several biological processes, such as induction of apoptosis or insulin resistance. So far, its de novo synthesis rate was evaluated indirectly, based on the content of the compound, its intermediates and the activity of respective enzymes. The aim of the present study was to directly measure ceramide synthesis rate (FSR) in different muscle types under varied plasma FFA supply in rat with the use of [U-13C] palmitate tracer and LC/MS/MS...
2017: PloS One
https://www.readbyqxmd.com/read/29079315/a-comparison-of-lipid-minimization-strategies-in-children-with-intestinal-failure
#8
Jessica Gonzalez-Hernandez, Purvi Prajapati, Gerald Ogola, Van Nguyen, Nandini Channabasappa, Hannah G Piper
PURPOSE: The purpose of this study was to compare outcomes of lipid minimization with either Intralipid (IL) or Omegaven® in children with intestinal failure (IF) who developed intestinal failure-associated liver disease (IFALD) while receiving parenteral nutrition (PN). METHODS: A retrospective review of children with IF requiring PN who developed IFALD (direct bilirubin >2 mg/dL) while receiving IL (2009-2016) was performed. Clinical characteristics, nutritional, and laboratory values were compared between children treated with reduced IL or Omegaven®...
October 12, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29062792/elevated-levels-of-serum-vascular-endothelial-growth-factor-a-are-not-related-to-nk-cell-parameters-in-recurrent-ivf-failure
#9
Rhea Bansal, Brian Ford, Shree Bhaskaran, Meenyau Thum, Amolak Bansal
BACKGROUND: Vascular Endothelial Growth Factor and NK cells have an interrelated role in angiogenesis that is critical for placentation and success of in vitro fertilization. An attempt was made to assess a possible relationship between the two in this study. METHODS: A case control study was performed comparing the serum levels of VEGF-A and its receptor VEGF-R1 with levels of NK cells, activated NK cells and NK cytotoxicity in 62 women with Repeated Implantation Failure (RIF)...
July 2017: Journal of Reproduction & Infertility
https://www.readbyqxmd.com/read/29047692/glucose-sensing-in-oral-mucosa-simulating-phantom-using-differential-absorption-based-frequency-domain-low-coherence-interferometry
#10
Pauline John, Nilesh J Vasa, Sujatha Narayanan Unni, Suresh R Rao
The superluminescent diode based differential absorption frequency domain low-coherence interferometry (FD-DALCI) technique is proposed and demonstrated for sensing physiological concentrations of glucose (0-250 mg/dl) in oral mucosa simulating phantoms (intralipid of concentrations 0.25-0.50%) with wavelengths at 1589 and 1310 nm. The proposed technique allows simultaneous measurements of refractive index based spectral shift and estimation of physiological concentration of glucose in intralipid with scattering characteristics using the differential absorption approach...
October 10, 2017: Applied Optics
https://www.readbyqxmd.com/read/29036908/propofol-induces-apoptosis-of-neurons-but-not-astrocytes-oligodendrocytes-or-neural-stem-cells-in-the-neonatal-mouse-hippocampus
#11
Yasheng Yan, Shigang Qiao, Chika Kikuchi, Ivan Zaja, Sarah Logan, Congshan Jiang, Thiago Arzua, Xiaowen Bai
It has been shown that propofol can induce widespread apoptosis in neonatal mouse brains followed by long-term cognitive dysfunction. However, selective brain area and cell vulnerability to propofol remains unknown. This study was aimed to dissect toxic effect of propofol on multiple brain cells, including neurons, astrocytes, oligodendrocytes, and neural stem cells (NSCs). Seven-day-old mice were intraperitoneally administrated propofol or intralipid as a vehicle control for 6 hours. To identify vulnerable cells undergoing apoptosis following propofol exposure, brain sagittal sections were co-stained with antibodies against an apoptosis marker along with neuron, astrocyte, oligodendrocyte, or NSC markers using immunofluorescence staining...
October 14, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28964639/early-continuous-renal-replacement-therapy-improves-nutrition-delivery-in-neonates-during-extracorporeal-life-support
#12
Heidi J Murphy, John B Cahill, Katherine E Twombley, James R Kiger
OBJECTIVE: Optimizing nutrition in neonatal patients as soon as possible after extracorporeal life support (ECLS) initiation is imperative as malnutrition can worsen both short- and long-term outcomes. Fluid restriction, used to manage the fluid overload that commonly complicates neonatal ECLS, severely impairs nutrition delivery. Continuous renal replacement therapy (CRRT) can be used to help manage fluid overload. We hypothesize that early CRRT utilization ameliorates the need for fluid restriction and allows providers to prescribe higher parenteral nutrition (PN) volumes leading to better nutrition delivery...
September 27, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/28901055/phantom-based-image-quality-test-methods-for-photoacoustic-imaging-systems
#13
William C Vogt, Congxian Jia, Keith A Wear, Brian S Garra, T Joshua Pfefer
As photoacoustic imaging (PAI) technologies advance and applications arise, there is increasing need for standardized approaches to provide objective, quantitative performance assessment at various stages of the product development and clinical translation process. We have developed a set of performance test methods for PAI systems based on breast-mimicking tissue phantoms containing embedded inclusions. Performance standards for mature imaging modalities [magnetic resonance imaging (MRI), computed tomography (CT), and ultrasound] were used to guide selection of critical PAI image quality characteristics and experimental methods...
September 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28862812/performance-of-individually-measured-vs-population-based-c-peptide-kinetics-to-assess-%C3%AE-cell-function-in-presence-and-absence-of-acute-insulin-resistance
#14
Ron T Varghese, Chiara Dalla Man, Marcello C Laurenti, Francesca Piccinini, Anu Sharma, Meera Shah, Kent R Bailey, Robert A Rizza, Claudio Cobelli, Adrian Vella
AIMS: Standardized, population-based kinetics of C-peptide distribution and clearance are used to estimate insulin secretion from plasma C-peptide concentrations without direct measurement of C-peptide kinetics. We then compared the performance of population-based kinetics to directly measured C-peptide kinetics when used to calculate β-cell responsivity indices. To ensure that population-based kinetics apply to all conditions where β-cell function is measured, subjects were studied in the presence and absence of acute insulin resistance...
September 1, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28843695/effect-of-hormonal-and-energy-related-factors-on-plasma-adiponectin-in-transition-dairy-cows
#15
C S Krumm, S L Giesy, L S Caixeta, W R Butler, H Sauerwein, J W Kim, Y R Boisclair
In transition dairy cows, plasma levels of the insulin-sensitizing hormone adiponectin fall to a nadir at parturition and recover in early lactation. The transition period is also characterized by rapid changes in metabolic and hormonal factors implicated in other species as positive regulators of adiponectin production (i.e., negative energy balance, lipid mobilization) and others as negative regulators (i.e., reduced leptin and insulin and increased growth hormone and plasma fatty acids). To assess the role of onset of negative energy balance and lipid mobilization after parturition, dairy cows were either milked thrice daily (lactating) or never milked (nonlactating) for up to 4 wk after parturition...
November 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28815602/efficacy-and-safety-of-amphotericin-b-formulations-a-network-meta-analysis-and-a-multicriteria-decision-analysis
#16
Fernanda S Tonin, Laiza M Steimbach, Helena H Borba, Andreia C Sanches, Astrid Wiens, Roberto Pontarolo, Fernando Fernandez-Llimos
OBJECTIVES: Despite its broad spectrum, conventional amphotericin B (AB) is associated with serious adverse events. Lipid-based formulations may offer safer options. We aimed to synthesize the evidence of efficacy and safety of AB formulations. METHODS: We performed a systematic review and network meta-analysis (NMA) to compare all available formulations: conventional AB; lipid complex or ABLC; colloidal dispersion or ABCD; liposomal or LAB; AB in Intralipid. Randomized controlled trials were searched in four databases...
August 17, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28794103/effect-of-circulating-glucagon-and-free-fatty-acids-on-hepatic-fgf21-production-in-dairy-cows
#17
Luciano S Caixeta, Sarah L Giesy, Christopher S Krumm, James W Perfield, Anthony Butterfield, Katie M Schoenberg, Donald Clarence Beitz, Yves R Boisclair
Modern dairy cows meet the energy demand of early lactation by calling on hormonally-driven mechanisms to increase the use of lipid reserves. In this context, we recently reported that fibroblast growth factor-21 (FGF21), a hormone required for efficient use of lipid reserves in rodents, is upregulated in periparturient dairy cows. Increased plasma FGF21 in early lactation coincides with elevated circulating concentrations of glucagon (GCG) and non-esterified fatty acids (NEFA). To assess the relative contribution of these factors in regulating FGF21, two experiments were performed in energy sufficient, non-pregnant, non-lactating dairy cows...
August 9, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28768527/bilateral-blindness-secondary-to-optic-nerve-ischemia-from-severe-amlodipine-overdose-a-case-report
#18
Raymond Kao, Yves Landry, Genevieve Chick, Andrew Leung
BACKGROUND: Calcium channel blockers are commonly prescribed medications; calcium channel blocker overdose is becoming increasingly prevalent. The typical presentation of a calcium channel blocker overdose is hypotension and decreased level of consciousness. We describe a case of a calcium channel blocker overdose that led to bilateral cortical blindness, a presentation that has not previously been reported. CASE PRESENTATION: A 49-year-old white woman with known bilateral early optic atrophy presented to our hospital with hypotension and obtundation following a known ingestion of 150 mg of amlodipine...
August 3, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28767202/effects-of-parenteral-fish-oil-on-plasma-nonesterified-fatty-acids-and-systemic-inflammatory-mediators-in-dogs-following-ovariohysterectomy
#19
Kaoru Tsuruta, Robert C Backus, Amy E DeClue, Kevin L Fritsche, Fred A Mann
OBJECTIVE: To evaluate the effects of intravenous (IV) infusion of fish oil (FO) emulsion following ovariohysterectomy (OVH) on inflammatory mediators and plasma omega-3 nonesterified fatty acids (NEFA) concentrations in dogs. DESIGN: Prospective clinical study. SETTING: University teaching hospital. ANIMALS: Twenty-nine privately owned dogs undergoing routine OVH. INTERVENTIONS: Postoperative 3-hour IV infusion of saline (n = 9), FO (Omegaven, n = 10), or soybean oil (SO, intralipid, n = 10) emulsion and blood collected before, 5 and 24 hours following OVH for plasma NEFA and RBC membrane fatty acids (FAs) concentrations, leukocyte cytokine production capacity, and C-reactive protein (CRP) measurement...
September 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28722754/-31-p-nmr-evidence-for-peroxide-intermediates-in-lipid-emulsion-photooxidations-phosphine-substituent-effects-in-trapping
#20
Prabhu P Mohapatra, Callistus O Chiemezie, Arina Kligman, Michele M Kim, Theresa M Busch, Timothy C Zhu, Alexander Greer
Intralipid is a lipid emulsion used in photodynamic therapy (PDT) for its light scattering and tissue-simulating properties. The purpose of this study is to determine whether or not Intralipid undergoes photooxidation, and we have carried out an Intralipid peroxide trapping study using a series of phosphines [2'-dicyclohexylphosphino-2,6-dimethoxy-1,1'-biphenyl-3-sulfonate, 3-(diphenylphosphino)benzenesulfonate, triphenylphosphine-3,3',3''-trisulfonate and triphenylphosphine]. Our new findings are as follows: (1) An oxygen atom is transferred from Intralipid peroxide to the phosphine traps in the dark, after the photooxidation of Intralipid...
November 2017: Photochemistry and Photobiology
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