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https://www.readbyqxmd.com/read/28342300/hypofractionated-re-irradiation-to-the-brainstem-in-children-with-recurrent-brain-tumors
#1
Timothy V Waxweiler, Arya Amini, Yevgeniy Vinogradskiy, Norman Yeh, Nicholas K Foreman, Todd C Hankinson, Arthur K Liu
To characterize radiation necrosis following hypofractionated brainstem re-irradiation in pediatric patients, we reviewed 23 cases with 28 tumors invading or abutting brainstem and treated with hypofractionated re-irradiation from 2004 to 2014. Re-irradiation delivered total doses of 16-30 Gy in two to five fractions. The most commons regimens used were 24 Gy in three fractions and 25 Gy in five fractions. At median follow-up of 12.8 months, median overall survival was 14.7 months and eight in-field recurrences were detected (median time 10...
May 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28340348/the-evolutionary-pathway-to-virulence-of-an-rna-virus
#2
Adi Stern, Ming Te Yeh, Tal Zinger, Matt Smith, Caroline Wright, Guy Ling, Rasmus Nielsen, Andrew Macadam, Raul Andino
Paralytic polio once afflicted almost half a million children each year. The attenuated oral polio vaccine (OPV) has enabled world-wide vaccination efforts, which resulted in nearly complete control of the disease. However, poliovirus eradication is hampered globally by epidemics of vaccine-derived polio. Here, we describe a combined theoretical and experimental strategy that describes the molecular events leading from OPV to virulent strains. We discover that similar evolutionary events occur in most epidemics...
March 23, 2017: Cell
https://www.readbyqxmd.com/read/28340046/validation-of-a-screening-risk-index-for-serious-prescription-opioid-induced-respiratory-depression-or-overdose-in-a-us-commercial-health-plan-claims-database
#3
Barbara K Zedler, William B Saunders, Andrew R Joyce, Catherine C Vick, E Lenn Murrelle
Objective.:  To validate a risk index that estimates the likelihood of overdose or serious opioid-induced respiratory depression (OIRD) among medical users of prescription opioids. Subjects and Methods.:  A case-control analysis of 18,365,497 patients with an opioid prescription from 2009 to 2013 in the IMS PharMetrics Plus commercially insured health plan claims database (CIP). An OIRD event occurred in 7,234 cases. Four controls were selected per case. Validity of the Risk Index for Overdose or Serious Opioid-induced Respiratory Depression (RIOSORD), developed previously using Veterans Health Administration (VHA) patient data, was assessed...
March 6, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28339539/unique-aggregation-of-conjugated-amphotericin-b-and-its-interaction-with-lipid-membranes
#4
Sarah Kagan, Diana E Ickowicz, Abraham J Domb, Arie Dagan, Itzhack Polacheck
The purpose of this paper was to investigate the aggregation of amphotericin B (AMB) and AMB-arabinogalactan conjugate (AMB-AGC), and the interactions of these drugs with free and membrane-embedded sterols. Aggregation of AMB and AMB-AGC was studied by circular dichroic (CD) and UV absorbance spectroscopic techniques. The effect of liposomes on the spectra was utilized to investigate the interactions of aggregates with membrane-embedded sterols. Interaction with free sterols was studied by measuring sterols' effect on AMB/AMB-AGC susceptibility test...
October 7, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28338391/modifications-in-human-oral-fibroblast-ultrastructure-collagen-production-and-lysosomal-compartment-in-response-to-e-cigarette-fluids
#5
Silvia Sancilio, Marialucia Gallorini, Amelia Cataldi, Laura Sancillo, Rosa Alba Rana, Viviana di Giacomo
Background Many smokers have recently turned to electronic cigarettes (e-cigarettes) because they have been marketed as a cheaper and safer smokeless alternative to traditional cigarettes, and a possible smoking cessation tool. Even though the safety of these electronic devices is still not fully known, there is evidence of their cytotoxicity on cells which belong to the oral cavity. In a previous paper the increase of reactive oxygen production and Bax expression, followed by the occurrence of apoptosis, were demonstrated in human gingival fibroblasts...
March 24, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28338185/a-structured-blood-conservation-program-in-pediatric-cardiac-surgery
#6
A B Budak, K McCusker, S Gunaydin
OBJECTIVE: The limitation of alternative transfusion practices in infants increases the benefits of blood conservation. We analyzed the efficacy of a structured program to reduce transfusions and transfusion-associated complications in cardiac surgery PATIENTS AND METHODS: Our pediatric surgery database was reviewed retrospectively, comparing outcomes from two different time periods, after the implementation of an effective blood conservation program beginning in March 2014. A total of 214 infants (8...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28338180/influence-of-dexmedetomidine-to-cognitive-function-during-recovery-period-for-children-with-general-anesthesia
#7
Z-M Jia, H-N Hao, M-L Huang, D-F Ma, X-L Jia, B Ma
OBJECTIVE: We studied the influence of Dexmedetomidine on cognitive function in children during the recovery period of general anesthesia. PATIENTS AND METHODS: Ninety-three children who underwent general anesthesia were selected and randomly divided into (1) the control group, (2) the dexmedetomidine group, and (3) the dezocine group. Fentanyl, propofol, and rocuronium were used in all patients to induce anesthesia, while sevoflurane inhalation and propofol were used to maintain anesthesia...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28338170/-clinical-research-progress-of-mesenteric-internal-hernia-after-roux-en-y-reconstruction
#8
Zhengrong Xu, Wenjun Guo
Postoperative internal hernia is a rare clinical complication which often occurs after digestive tract reconstruction. Roux-en-Y anastomosis is a common type of digestive tract reconstruction. Internal hernia after Roux-en-Y reconstruction, which occurs mainly in the mesenteric defect caused by incomplete closure of mesenteric gaps in the process of digestive tract reconstruction, is systematically called, in our research, as mesenteric internal hernia after Roux-en-Y reconstruction. Such internal hernia can be divided, according to the different structures of mesentric defect, into 3 types: the type of mesenteric defect at the jejunojejunostomy (J type), the type of Petersen's defect (P type), and the type of mesenteric defect in the transverse mesocolon (M type)...
March 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28337765/quality-control-of-apheresis-platelets-a-multicentre-study-to-evaluate-factors-that-can-influence-ph-measurement
#9
M Germain, Y Grégoire, R R Vassallo, J P Acker, R Cardigan, D de Korte, D O Irving, S Bégué
BACKGROUND AND OBJECTIVES: Blood operators routinely monitor the pH of apheresis platelets as a marker of the so-called storage lesion, which can result from manufacturing problems. It is also suspected that some donor characteristics can increase the risk of poor platelet storage. To explore this hypothesis, we analysed a large, multinational data set of quality control (QC) pH test results on apheresis platelets. MATERIALS AND METHODS: For the period between September 2011 and August 2014, seven blood operators in Canada, the USA, the Netherlands, the United Kingdom, France and Australia provided pH QC test results and donor characteristics on a total of 21,671 apheresis platelets...
March 23, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28337481/waterjet-submucosal-dissection-of-porcine-esophagus-with-the-hybridknife-and-erbejet-2-system-a-pilot-study
#10
Daisuke Akutsu, Hideo Suzuki, Toshiaki Narasaka, Masahiko Terasaki, Tsuyoshi Kaneko, Hirofumi Matsui, Yuji Mizokami, Ichinosuke Hyodo
Background and study aims Esophageal endoscopic submucosal dissection (ESD) is technically difficult because of narrow working spaces and ease of perforation due to the lack of serosa. HybridKnife is a recently developed ESD device that is combined with the high pressure waterjet ERBEJET 2 system to lift mucosa. We hypothesized that this waterjet could make submucosal dissection safer and studied this in porcine esophagus. Materials and methods Water pressures of 30 - 70 bar were tested to determine the appropriate pressure for waterjet ESD with HybridKnife (WJ-ESD) in one pig...
January 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28337370/role-of-epidermal-growth-factor-receptor-in-lung-cancer-and-targeted-therapies
#11
REVIEW
Tie-Cheng Liu, Xin Jin, Yan Wang, Ke Wang
Lung cancer is the foremost cause of cancer-related deaths world-wide. Both, the major forms of lung cancer, Non-small cell lung cancer (NSCLC) and Small cell lung cancers (SCLC), have responded effectively to chemo-, radiation and adjuvant-therapies. Tumor removal through surgery also appeared as a good therapeutic strategy. However, these therapies demonstrated unfavourable side-effects, and hence novel drugs targeting lung cancer emerged essential. Activation of epidermal growth factor receptor (EGFR)-tyrosine kinases is a key reason for lung cancer progression...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337198/role-of-metallic-nanoparticles-in-vaccinology-implications-for-infectious-disease-vaccine-development
#12
REVIEW
Lázaro Moreira Marques Neto, André Kipnis, Ana Paula Junqueira-Kipnis
Subunit vaccines are safer but less immunogenic than live-attenuated vaccines or whole cell inactivated vaccines. Adjuvants are used to enhance and modulate antigen (Ag) immunogenicity, aiming to induce a protective and long-lasting immune response. Several molecules and formulations have been studied for their adjuvanticity, but only seven have been approved to formulate human vaccines. Metallic nanoparticles (MeNPs), particularly those containing gold and iron oxides, are widely used in medicine for diagnosis and therapy and have been used as carriers for drugs and vaccines...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28337041/getting-the-foundations-right-for-the-measurement-of-medication-safety-the-need-for-a-meaningful-conceptual-frame
#13
Jerome Ng, Shane Scahill, Jeff Harrison
A number of initiatives aimed at improving medication safety in and across New Zealand public hospitals have been introduced over recent years. Clinicians, policymakers and patients now want to know whether patients are safer today from medicine use than they have been in the past. The challenge has been determining exactly what should be measured. In this viewpoint, we critically examine the suitability of adverse drug events (ADE) as a primary metric for assessing the progress of medication safety improvement...
March 24, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28336977/the-safer-solution-for-babies
#14
(no author information available yet)
No abstract text is available yet for this article.
March 24, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28335708/will-carotid-artery-stenting-become-a-safer-procedure-than-carotid-endarterectomy
#15
Kosmas I Paraskevas, Frank J Veith
No abstract text is available yet for this article.
April 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28335568/an-electricity-price-aware-open-source-smart-socket-for-the-internet-of-energy
#16
Óscar Blanco-Novoa, Tiago M Fernández-Caramés, Paula Fraga-Lamas, Luis Castedo
The Internet of Energy (IoE) represents a novel paradigm where electrical power systems work cooperatively with smart devices to increase the visibility of energy consumption and create safer, cleaner and sustainable energy systems. The implementation of IoE services involves the use of multiple components, like embedded systems, power electronics or sensors, which are an essential part of the infrastructure dedicated to the generation and distribution energy and the one required by the final consumer. This article focuses on the latter and presents a smart socket system that collects the information about energy price and makes use of sensors and actuators to optimize home energy consumption according to the user preferences...
March 21, 2017: Sensors
https://www.readbyqxmd.com/read/28335525/the-history-of-clotting-factor-concentrates-pharmacokinetics
#17
REVIEW
Massimo Morfini
Clotting factor concentrates (CFCs) underwent tremendous modifications during the last forty years. Plasma-derived concentrates made the replacement therapy feasible not only in the hospital but also at patients' home by on-demand or prophylactic regimen. Virucidal methods, implemented soon after hepatitis and AIDS outbreak, and purification by Mabs made the plasma-derived concentrates safer and purer. CFCs were considered equivalent to the other drugs and general rules and methods of pharmacokinetics (PK) were applied to their study...
March 20, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28335333/plant-mediated-green-synthesis-of-cuo-nanoparticles-comparison-of-toxicity-of-engineered-and-plant-mediated-cuo-nanoparticles-towards-daphnia-magna
#18
Sadia Saif, Arifa Tahir, Tayyaba Asim, Yongsheng Chen
Research on green production methods for metal oxide nanoparticles (NPs) is growing, with the objective to overcome the potential hazards of these chemicals for a safer environment. In this study, facile, ecofriendly synthesis of copper oxide (CuO) nanoparticles was successfully achieved using aqueous extract of Pterospermum acerifolium leaves. P. acerifolium-fabricated CuO nanoparticles were further characterized by UV-Visible spectroscopy, field emission scanning electron microscopy (FE-SEM), energy dispersive X-ray (EDX), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS) and dynamic light scattering (DLS)...
November 9, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28333868/proteasome-inhibitor-induced-gastrointestinal-toxicity
#19
Romany L Stansborough, Rachel J Gibson
PURPOSE OF REVIEW: Gastrointestinal toxicities are commonly reported following treatment with proteasome inhibitors. The first-generation proteasome inhibitor, bortezomib, induces significant gastrointestinal side effects including nausea, vomiting, diarrhoea, and constipation, occurring in up to 84% of patients. Despite the development of safer proteasome inhibitors, such as carfilzomib, gastrointestinal toxicities remain some of the most common side effects. This review aims to summarize the previous literature on proteasome inhibitor-induced gastrointestinal toxicities, report on recent updates in the field, and investigate possible mechanisms of this toxicity...
March 22, 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28333715/noninvasive-imaging-of-stored-red-blood-cell-transfusion-aggravating-sepsis-induced-liver-injury-associated-with-increased-activation-of-m1-polarized-kupffer-cells
#20
Tao Wu, Lei Wang, Jie An, Chao Y Wu, Yue Wang, Lu Qian, Jun Zhou, Yu L Zhang, Qian Q Zhou, Xiao H Wang, Hua F Wang, Qiu X Fu, Lin S Zhan
Liver injury has a critical effect on the severity and outcome of sepsis. The impact of stored RBCs on the pathogenesis of sepsis-associated hepatic injury is not well understood. Therefore, to investigate the effects of stored-RBC transfusion on sepsis-induced liver damage as well as the associated mechanism, we constructed a sepsis mouse model enabling non-invasive imaging of bacterial infection caused by Pseudomonas aeruginosa, a common gram-negative respiratory pathogen. We showed that transfusions with stored RBCs enhanced sepsis-induced liver injury in vivo, and liver injury exacerbated the severity of sepsis and decreased survival in P...
March 22, 2017: Shock
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