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https://www.readbyqxmd.com/read/28644012/sigma-2-receptor-tmem97-agonists-produce-long-lasting-anti-neuropathic-pain-effects-in-mice
#1
James J Sahn, Galo L Mejia, Pradipta R Ray, Stephen F Martin, Theodore John Price
Neuropathic pain is an important medical problem with few effective treatments. The sigma 1 receptor (σ1R) is a potential target for neuropathic pain therapeutics, and antagonists for this receptor are effective in preclinical models and are currently in phase II clinical trials. Relatively little is known about the σ2R, which has recently been identified as transmembrane protein 97 (Tmem97). We generated a series of σ1R and σ2R/Tmem97 agonists and antagonists and tested them for efficacy in the mouse spared nerve injury (SNI) model...
June 23, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28642288/ferumoxytol-enhanced-magnetic-resonance-imaging-assessing-inflammation-after-myocardial-infarction
#2
Colin G Stirrat, Shirjel R Alam, Thomas J MacGillivray, Calum D Gray, Marc R Dweck, Jennifer Raftis, William Sa Jenkins, William A Wallace, Renzo Pessotto, Kelvin Hh Lim, Saeed Mirsadraee, Peter A Henriksen, Scott Ik Semple, David E Newby
OBJECTIVES: Macrophages play a central role in the cellular inflammatory response to myocardial infarction (MI) and predict subsequent clinical outcomes. We aimed to assess temporal changes in cellular inflammation and tissue oedema in patients with acute MI using ultrasmallsuperparamagnetic particles of iron oxide (USPIO)-enhanced MRI. METHODS: Thirty-one patients were recruited following acute MI and followed up for 3 months with repeated T2 and USPIO-enhanced T2*-mapping MRI...
June 22, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28640104/the-easytube-during-general-anesthesia-for-minor-surgery-a-randomized-controlled-trial
#3
Oliver Robak, Sonia Vaida, Luis Gaitini, Andreas Thierbach, Ricardo Urtubia, Peter Krafft, Michael Frass
BACKGROUND: The EasyTube (EzT) is a supraglottic airway device that is used for emergency airway situations. Ventilation during general anesthesia should also be feasible, but literature on the EzT is scarce. We evaluated the EzT in comparison with the endotracheal tube (ETT) in its use during general anesthesia in a comparative study. METHODS: A total of 400 patients with American Society of Anesthesiologists (ASA) physical status I to II scheduled for minor surgery in 4 centers were randomized for ventilation via the ETT or EzT...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639254/use-of-a-digital-phantom-developed-by-qiba-for-harmonizing-suvs-obtained-from-the-state-of-the-art-spect-ct-systems-a-multicenter-study
#4
Tadaki Nakahara, Hiromitsu Daisaki, Yasushi Yamamoto, Takashi Iimori, Kazuyuki Miyagawa, Tomoya Okamoto, Yoshiki Owaki, Nobuhiro Yada, Koichi Sawada, Ryotaro Tokorodani, Masahiro Jinzaki
BACKGROUND: Although quantitative analysis using standardized uptake value (SUV) becomes realistic in clinical single-photon emission computed tomography/computed tomography (SPECT/CT) imaging, reconstruction parameter settings can deliver different quantitative results among different SPECT/CT systems. This study aims to propose a use of the digital reference object (DRO), which is a National Electrical Manufacturers Association (NEMA) phantom-like object developed by the Quantitative Imaging Biomarker Alliance (QIBA) fluorodeoxyglucose-positron emission tomography technical committee, for the purpose of harmonizing SUVs in Tc-99m SPECT/CT imaging...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28638350/branched-chain-amino-acid-ingestion-stimulates-muscle-myofibrillar-protein-synthesis-following-resistance-exercise-in-humans
#5
Sarah R Jackman, Oliver C Witard, Andrew Philp, Gareth A Wallis, Keith Baar, Kevin D Tipton
The ingestion of intact protein or essential amino acids (EAA) stimulates mechanistic target of rapamycin complex-1 (mTORC1) signaling and muscle protein synthesis (MPS) following resistance exercise. The purpose of this study was to investigate the response of myofibrillar-MPS to ingestion of branched-chain amino acids (BCAAs) only (i.e., without concurrent ingestion of other EAA, intact protein, or other macronutrients) following resistance exercise in humans. Ten young (20.1 ± 1.3 years), resistance-trained men completed two trials, ingesting either 5...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28636505/the-effect-of-aerobic-interval-training-and-continuous-training-on-exercise-capacity-and-its-determinants
#6
Nele Pattyn, Paul J Beckers, Véronique A Cornelissen, Ellen Coeckelberghs, Catherine De Maeyer, Geert Frederix, Kaatje Goetschalckx, Nadine Possemiers, Dirk Schepers, Emeline M Van Craenenbroeck, Kurt Wuyts, Viviane M Conraads, Luc Vanhees
Objective We aimed to investigate (1) the effects of aerobic interval training (AIT) and aerobic continuous training (ACT) on (sub)maximal exercise measures and its determinants including endothelial function, muscle strength and cardiac autonomic function, and (2) the relationship between exercise capacity and these determinants. Methods Two-hundred coronary artery disease (CAD) patients (58.4 ± 9.1 years) were randomized to AIT or ACT for 12 weeks. All patients performed a cardiopulmonary exercise test and endothelial function measurements before and after the intervention; a subpopulation underwent muscle strength and heart rate variability (HRV) assessments...
March 21, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28636230/quantification-of-fatty-acids-in-erythrocytes-and-plasma-by-fast-gas-chromatography
#7
Cristina Cruz-Hernandez, Sagar K Thakkar, Isabelle Masserey-Elmelegy, William Bousi, Patric Fontannaz, Francesca Giuffrida
As a result of the heterogeneous nature of lipid classes in complex biological matrices such as plasma and erythrocytes, it is imperative to have a robust and validated methodology for fatty acid quantification. The effective method presented here combines available methodology of fast gas chromatography and an improvement of the sample preparation methodology before injection into the gas chromatograph. This methodology ensures complete transesterification and quantification of total and individual fatty acids (and not only in relative amounts) by addition of internal standards...
June 21, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28634587/exercise-metabolism-in-nonobese-patients-with-type-2-diabetes-following-the-acute-restoration-of-normoglycaemia
#8
Christopher J Gaffney, Peter Mansell, Francis B Stephens, Ian A Macdonald, Kostas Tsintzas
This study investigated how acute restoration of normoglycaemia affected energy metabolism during exercise in nonobese patients with type 2 diabetes. Six subjects (mean ± SEM) aged 56.2 ± 2.7 years, with a BMI of 24.5 ± 1.5 kg/m(2) and a VO2 peak of 28.7 ml/kg/min, attended the lab on two randomised occasions for a four-hour resting infusion of insulin or saline, followed by 30 minutes cycling at 50% VO2 peak. During the 4 h resting infusion, there was a greater (P < 0.0001) reduction in blood glucose in insulin treatment (INS) (from 11...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28633157/epidemiology-practice-of-ventilation-and-outcome-for-patients-at-increased-risk-of-postoperative-pulmonary-complications-an-observational-study-in-29-countries
#9
(no author information available yet)
BACKGROUND: Limited information exists about the epidemiology and outcome of surgical patients at increased risk of postoperative pulmonary complications (PPCs), and how intraoperative ventilation was managed in these patients. OBJECTIVES: To determine the incidence of surgical patients at increased risk of PPCs, and to compare the intraoperative ventilation management and postoperative outcomes with patients at low risk of PPCs. DESIGN: This was a prospective international 1-week observational study using the 'Assess Respiratory Risk in Surgical Patients in Catalonia risk score' (ARISCAT score) for PPC for risk stratification...
June 20, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28632550/suture-choice-in-lumbar-dural-closure-contributes-to-variation-in-leak-pressures-experimental-model
#10
George M Ghobrial, Christopher M Maulucci, Matthew J Viereck, Sara Beygi, Ameet Chitale, Srinivas Prasad, Jack Jallo, Joshua Heller, Ashwini D Sharan, James S Harrop
STUDY DESIGN: Open-label laboratory investigational study; non-animal surgical simulation. OBJECTIVE: The authors perform a comparison of dural closure strength in a durotomy simulator across 2 different suture materials. SUMMARY OF BACKGROUND DATA: Incidental durotomy leading to persistent cerebrospinal fluid leak adds considerable morbidity to spinal procedures, often complicating routine elective lumbar spinal procedures. Using an experimental durotomy simulation, the authors compare the strength of closure using Gore-Tex with other suture types and sizes, using various closure techniques...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28631527/buprenorphine-naloxone-versus-methadone-and-lofexidine-in-community-stabilisation-and-detoxification-a-randomised-controlled-trial-of-low-dose-short-term-opiate-dependent-individuals
#11
Fergus D Law, Alison M Diaper, Jan K Melichar, Simon Coulton, David J Nutt, Judy S Myles
Buprenorphine/naloxone, methadone and lofexidine are medications with utility in the treatment of opiate withdrawal. We report the first randomised controlled trial to compare the effects of these two medications on withdrawal symptoms and outcome during opiate induction/stabilisation and detoxification. A double-blind randomised controlled trial was conducted in an outpatient satellite clinic of a specialist drug service. Eighty opiate dependent individuals meeting DSM-IV criteria for opiate dependence, using ⩽ ½ g heroin smoked/chased or ¼ g heroin injected or ⩽ 30mg methadone, with ⩽ 3 years of opioid dependency, underwent a short-term opiate treatment programme involving induction/stabilisation on methadone 30mg or buprenorphine/naloxone 4mg/1mg, followed by detoxification (where the methadone group was assisted by lofexidine)...
June 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28631208/pulmonary-vein-doppler-patterns-in-infants-with-single-right-ventricle-anomalies-after-initial-staged-palliations
#12
Edward C Kirkpatrick, Jessica Steltzer, Pippa Simpson, Amy Pan, Andrea Dragulescu, Christine B Falkensammer, Sarah Gelehrter, Wyman W Lai, Jami Levine, Stephen Miller, Thomas A Miller, Jay Pruetz, Ritu Sachdeva, Deepika Thacker, Peter Frommelt
The aim of this study was to describe serial changes in echocardiographic Doppler pulmonary vein flow (PVF) patterns in infants with single right ventricle (RV) anomalies enrolled in the Single Ventricle Reconstruction trial. Measurement of PVF peak systolic (S) and diastolic (D) velocities, velocity time integrals (VTI), S/D peak velocity and VTI ratios, and frequency of atrial reversal (Ar) waves were made at three postoperative time points in 261 infants: early post-Norwood, pre-stage II surgery, and 14 months...
June 19, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28630378/randomised-controlled-trial-of-the-efficacy-of-a-blue-enriched-light-intervention-to-improve-alertness-and-performance-in-night-shift-workers
#13
Tracey L Sletten, Suzanne Ftouni, Christian L Nicholas, Michelle Magee, Ronald R Grunstein, Sally Ferguson, David J Kennaway, Darren O'Brien, Steven W Lockley, Shantha M W Rajaratnam
OBJECTIVES: Night workers often experience high levels of sleepiness due to misalignment of the sleep-wake cycle from the circadian pacemaker, in addition to acute and chronic sleep loss. Exposure to light, in particular short wavelength light, can improve alertness and neurobehavioural performance. This randomised controlled trial examined the efficacy of blue-enriched polychromatic light to improve alertness and neurobehavioural performance in night workers. DESIGN: Participants were 71 night shift workers (42 males; 32...
June 19, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28628810/gh-administration-decreases-subcutaneous-abdominal-adipocyte-size-in-men-with-abdominal-obesity
#14
Miriam A Bredella, Kalypso Karastergiou, Stijn A Bos, Anu V Gerweck, Martin Torriani, Susan K Fried, Karen K Miller
OBJECTIVE: To investigate the effects of short-term GH administration on abdominal subcutaneous adipocyte size and CT attenuation in men with abdominal obesity. DESIGN: 6-week, randomized, double-blind, placebo-controlled study of GH (starting dose 2μg/kg/d) vs placebo of 15 abdominally obese men (mean age: 34±6years; mean BMI: 37.7±6.1kg/m(2), mean IGF-1 SDS: -1.9±0.5) who underwent abdominal subcutaneous adipose tissue (SAT) aspirations to determine adipocyte size, CTs for body composition and measures of glucose tolerance at baseline and 6weeks...
June 12, 2017: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/28627742/fabrication-of-single-walled-carbon-nanohorns-incorporated-a-monolithic-column-for-capillary-electrochromatography
#15
Hongyan Zhao, Yizhou Wang, Heyong Cheng, Yuanchao Wang
Single-walled carbon nanohorns have received great interest for their unique properties and diverse potential applications. Herein, we demonstrated the feasibility of a single-walled carbon nanohorns incorporated poly(styrene-divinylbenzene) monolith as the stationary phase for capillary electrochromatography, which was prepared by one-step in situ copolymerization. Single-walled carbon nanohorns were dispersed in styrene to give a stable and homogeneous suspension. The monolithic column gave effective separation for a wide range of aromatic compounds, which was based on hydrophobicity and π-π electrostatic stacking of single-walled carbon nanohorns...
June 19, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28623508/clinical-pharmacokinetic-characteristics-of-cebranopadol-a-novel-first-in-class-analgesic
#16
Elke Kleideiter, Chiara Piana, Shaonan Wang, Robert Nemeth, Michael Gautrois
BACKGROUND AND OBJECTIVES: Cebranopadol is a novel first-in-class analgesic acting as a nociceptin/orphanin FQ peptide and opioid peptide receptor agonist with central analgesic activity. It is currently in clinical development for the treatment of chronic pain conditions. This trial focuses on the clinical pharmacokinetic (PK) properties of cebranopadol after oral single- and multiple-dose administration. METHODS: The basic PK properties of cebranopadol were assessed by means of noncompartmental methods in six phase I clinical trials in healthy subjects and patients...
June 16, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28622409/ultrasound-guided-hydrodissection-decreases-gliding-resistance-of-the-median-nerve-within-the-carpal-tunnel
#17
Stefanie Evers, Andrew R Thoreson, Jay Smith, Chunfeng Zhao, Jennifer R Geske, Peter C Amadio
INTRODUCTION: The aim of this study was to assess alterations in median nerve biomechanics within the carpal tunnel resulting from ultrasound-guided hydrodissection in a cadaveric model. METHODS: Twelve fresh frozen human cadaver hands were used. Median nerve gliding resistance was measured at baseline and post-hydrodissection, by pulling the nerve proximally and then returning it to the origin. Six specimens were treated with hydrodissection, and 6 were used as controls...
June 16, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28622049/the-efficacy-and-safety-of-estriol-to-treat-vulvovaginal-atrophy-in-postmenopausal-women-a-systematic-literature-review
#18
C Rueda, A M Osorio, A C Avellaneda, C E Pinzón, O I Restrepo
OBJECTIVES: To evaluate the efficacy and safety of estriol for the treatment of vulvovaginal atrophy in postmenopausal women. METHODS: A systematic literature review was performed. We searched the following electronic databases: Medline, Cochrane, Embase, Lilacs, CINHAL and Google Scholar. The studies selected included controlled clinical trials and quasi-experimental studies. Selections were made in pairs and independently, first by title and abstract and then complete texts...
June 16, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28619981/ibrutinib-unmasks-critical-role-of-bruton-tyrosine-kinase-in-primary-cns-lymphoma
#19
Christian Grommes, Alessandro Pastore, Nicolaos Palaskas, Sarah S Tang, Carl Campos, Derrek Schartz, Paolo Codega, Donna Nichol, Owen Clark, Wan-Ying Hsieh, Daniel Rohle, Marc K Rosenblum, Agnes Viale, Viviane Tabar, Cameron W Brennan, Igor T Gavrilovic, Thomas J Kaley, Craig Nolan, Antonio M P Omuro, Elena Pentsova, Alissa A Thomas, Elina Tsyvkin, Ariela Noy, M Lia Palomba, Paul A Hamlin, Craig Sauter, Craig H Moskowitz, Julia Wolfe, Ahmet Dogan, Minhee Won, Jon Glass, Scott Peak, Enrico C Lallana, Vaios Hatzoglou, Anne S Reiner, Philip Gutin, Jason T Huse, Katherine Panageas, Thomas G Graeber, Nikolaus Schultz, Lisa M DeAngelis, Ingo K Mellinghoff
Bruton tyrosine kinase (BTK) links the B-cell antigen receptor (BCR) and Toll-like receptors with Nuclear factor kappa B (NF-κB). The role of BTK in primary CNS lymphoma (PCNSL) is unknown. We performed a Phase 1 clinical trial with ibrutinib, the first-in-class BTK inhibitor, for patients with relapsed or refractory CNS Lymphoma. Clinical responses to ibrutinib occurred in 10/13 (77%) PCNSL patients, including five complete responses. The only PCNSL with complete ibrutinib resistance harbored a mutation within the coiled-coil domain of Caspase Recruitment Domain Family Member 11, a known ibrutinib resistance mechanism...
June 15, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28619778/in-patients-with-severe-uncontrolled-asthma-does-knowledge-of-adherence-and-inhaler-technique-using-electronic-monitoring-improve-clinical-decision-making-a-protocol-for-a-randomised-controlled-trial
#20
Matshediso C Mokoka, Lorna Lombard, Elaine M MacHale, Joanne Walsh, Breda Cushen, Imran Sulaiman, Damien Mc Carthy, Fiona Boland, Frank Doyle, Eoin Hunt, Desmond M Murphy, John Faul, Marcus Butler, Kathy Hetherington, J Mark FitzGerald, Job Fm van Boven, Liam G Heaney, Richard B Reilly, Richard W Costello
INTRODUCTION: Many patients with asthma remain poorly controlled despite the use of inhaled corticosteroids and long-acting beta agonists. Poor control may arise from inadequate adherence, incorrect inhaler technique or because the condition is refractory. Without having an objective assessment of adherence, clinicians may inadvertently add extra medication instead of addressing adherence. This study aims to assess if incorporating objectively recorded adherence from the Inhaler Compliance Assessment (INCA) device and lung function into clinical decision making provides more cost-effective prescribing and improves outcomes...
June 15, 2017: BMJ Open
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