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https://www.readbyqxmd.com/read/28943820/clinical-outcomes-with-continuous-nafcillin-infusions-in-children
#1
Chad A Knoderer, Lauren C Karmire, Kristen R Nichols
OBJECTIVES: The primary objective of this study was to describe the clinical outcomes of continuous nafcillin infusion in pediatric patients. METHODS: This was a retrospective case study performed at a freestanding, tertiary care children's hospital. Subjects were included if they were at least 30 days old and had received more than 1 dose of nafcillin by continuous infusion (CI) between January 1, 2009, and December 31, 2012. Clinical and microbiological data were extracted from the medical record...
July 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/28935007/an-international-survey-of-approaches-to-chair-restraint-of-nonhuman-primates
#2
Jennifer L McMillan, Mollie A Bloomsmith, Mark J Prescott
Specifically designed restraint chairs are the preferred method of restraint for research studies that require NHP to sit in place for sustained periods of time. In light of increasing emphasis on refinement of restraint to improve animal wellbeing, it is important to have a better understanding of this potentially stressful procedure. Although chair restraint is used internationally, very little published information is available on this subject. We developed a survey to obtain an overview of equipment, procedures, and plans for improvement regarding chair restraint...
October 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28928910/phase-i-ii-randomized-controlled-trial-of-autologous-bone-marrow-derived-mesenchymal-stem-cell-therapy-for-chronic-stroke
#3
Kam Sze Tsang, Chi Ping Stephanie Ng, Xian Lun Zhu, George Kwok Chu Wong, Gang Lu, Anil Tejbhan Ahuja, Ka Sing Lawrence Wong, Ho Keung Ng, Wai Sang Poon
AIM: To examine the safety and efficacy of mesenchymal stem cell (MSC) therapy for intracerebral haemorrhage with neurological dysfunctions for a year. METHODS: MSC were ex vivo expanded from 29 mL (17-42 mL) autologous bone marrow. Patients were randomized to have two intravenous injections of autologous MSC or placebos in four weeks apart. Neurological functions and clinical outcomes were monitored before treatment and at 12(th), 16(th), 24(th), 36(th) and 60(th) week upon completion of the treatment...
August 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28927452/vancomycin-heteroresistance-in-coagulase-negative-staphylococcus-blood-stream-infections-from-patients-of-intensive-care-units-in-mansoura-university-hospitals-egypt
#4
Ghada El-Saeed Mashaly, Rasha Hassan El-Mahdy
BACKGROUND: Vancomycin heteroresistance in coagulase negative Staphylococci (CoNS) is a recent health concern especially in serious infections like bloodstream infections as it may lead to failure of therapy. Little information is available about the prevalence vancomycin heteroresistance in CoNS causing bloodstream infections in intensive care units (ICUs) patients of Mansoura University Hospitals (MUHs). METHODS: This prospective study enrolled 743 blood samples collected from ICUs patients presented with clinical manifestations of bloodstream infections over the period extending from January 2014 to March 2016...
September 19, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28919718/extended-infusion-versus-intermittent-infusion-of-imipenem-in-the-treatment-of-ventilator-associated-pneumonia
#5
Mohamed M Ibrahim, Tarek Fouad Tammam, Mohy El Deen Ebaed, Hatem A Sarhan, Gamal F Gad, Amal K Hussein
BACKGROUND: Mechanical ventilation support can be the main source of ventilator-associated pneumonia (VAP). VAP is a serious infection that may be associated with dangerous gram-negative bacteria mainly, and it leads to an increase in the mortality in the intensive care unit (ICU). Imipenem is one of the strongest antibiotics now available for treating VAP which is associated with gram-negative and gram-positive bacteria, and it belongs to beta-lactam antibiotic group (carbapenem). OBJECTIVE: This study tried to investigate the efficacy of imipenem against VAP when it was infused within 180 min versus the efficacy when it was infused within 30-60 min...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28916629/histone-deacetylase-inhibition-induces-odor-preference-memory-extension-and-maintains-enhanced-ampa-receptor-expression-in-the-rat-pup-model
#6
Sriya Bhattacharya, Bandhan Mukherjee, Jules J E Doré, Qi Yuan, Carolyn W Harley, John H McLean
Histone deacetylase (HDAC) plays a role in synaptic plasticity and long-term memory formation. We hypothesized that trichostatin-A (TSA), an HDAC inhibitor, would promote long-term odor preference memory and maintain enhanced GluA1 receptor levels that have been hypothesized to support memory. We used an early odor preference learning model in neonate rat pups that normally produces only 24-h memory to test behavior and examine receptor protein expression. Our behavioral studies showed that intrabulbar infusion of TSA, prior to pairing of the conditioned stimulus (peppermint odor) with the unconditioned stimulus (tactile stimulation), prolonged 24-h odor preference memory for at least 9 d...
October 2017: Learning & Memory
https://www.readbyqxmd.com/read/28902326/microstructural-evaluation-by-confocal-and-electron-microscopy-in-thrombi-developed-in-central-venous-catheters
#7
Thabata Coaglio Lucas, Eliata Ester da Silva, Danilo Olzon Dionysio Souza, Amanda Rodrigues Dos Santos, Maristela Oliveira Lara
OBJECTIVE: Evaluating thrombi microstructure developed in central venous catheters using confocal and electron microscopy. METHOD: An experimental, descriptive study carrying out a microstructural evaluation of venous thrombi developed in central venous catheters using Scanning Electron Microscopy and Confocal Laser Scanning Microscopy. RESULTS: A total of 78 venous catheters were collected over a period of three months. Different fibrin structures were distinguished: fibrin plates, fibrin network, and fibrin fibers...
August 28, 2017: Revista da Escola de Enfermagem da U S P
https://www.readbyqxmd.com/read/28887408/erratum-application-of-zone-model-predictive-control-artificial-pancreas-during-extended-use-of-infusion-set-and-sensor-a-randomized-crossover-controlled-home-use-trial-diabetes-care-2017-40-1096-1102
#8
Gregory P Forlenza, Sunil Deshpande, Trang T Ly, Daniel P Howsmon, Faye Cameron, Nihat Baysal, Eric Mauritzen, Tatiana Marcal, Lindsey Towers, B Wayne Bequette, Lauren M Huyett, Jordan E Pinsker, Ravi Gondhalekar, Francis J Doyle, David M Maahs, Bruce A Buckingham, Eyal Dassau
No abstract text is available yet for this article.
September 8, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28885119/volume-of-distribution-and-clearance-of-peptide-based-nanofiber-after-convection-enhanced-delivery
#9
Ranjodh Singh, Vanessa Bellat, Melinda Wang, Melanie E Schweitzer, Y Linda Wu, Ching-Hsuan Tung, Mark M Souweidane, Benedict Law
OBJECTIVE Drug clearance may be a limiting factor in the clinical application of convection-enhanced delivery (CED). Peptide-based nanofibers (NFPs) have a high aspect ratio, and NFPs loaded with drugs could potentially maintain effective drug concentrations for an extended period sufficient for cancer therapy. The objective of this study was to assess the volume of distribution (Vd) and clearance of variable lengths of NFPs when administered using CED. METHODS NFPs composed of multiple methoxypolyethylene glycol (mPEG)-conjugated constructs (mPEG2000-KLDLKLDLKLDL-K( FITC)-CONH2, for which FITC is fluorescein isothiocyanate) were assembled in an aqueous buffer...
September 8, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28876571/duodenectomy-managing-the-fistula
#10
M Govender, O Matsevych, F Ghoor, N Singh, C Molenaar
BACKGROUND: Duodenectomy is rarely indicated, however, in certain circumstances may have be performed. Enterocutaneous fistula (ECF) is the main cause of serious adverse outcomes. Its management remains challenging. METHOD: Two cases of emergency duodenectomy are presented. The management of ECF is described and discussed. RESULTS: Case 1: A 22-year-old male presented in septic shock with perforated duodenal ulcer, suffered two cardiac arrests before index surgery...
September 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28873292/dose-exposure-simulation-for-piperacillin-tazobactam-dosing-strategies-in-infants-and-young-children
#11
Céline Thibault, Nastya Kassir, Yves Théorêt, France Varin, Catherine Litalien, Julie Autmizguine
BACKGROUND: Extended piperacillin-tazobactam (TZP) infusions have been associated with favourable outcomes. There are currently no pediatric dosing recommendations. OBJECTIVES: To determine appropriate TZP dosing strategies in children 2 months - 6 years according to age and different minimal inhibitory concentrations (MICs). METHODS: Age and weight were simulated for 1000 children. Post-hoc pharmacokinetic parameter estimates were generated using published clearance and volume of distribution data...
August 21, 2017: Journal of Population Therapeutics and Clinical Pharmacology
https://www.readbyqxmd.com/read/28871458/percutaneous-irreversible-electroporation-combined-with-allogeneic-natural-killer-cell-immunotherapy-for-patients-with-unresectable-stage-iii-iv-pancreatic-cancer-a-promising-treatment
#12
Mao Lin, Shuzhen Liang, Xiaohua Wang, Yinqing Liang, Mingjie Zhang, Jibing Chen, Lizhi Niu, Kecheng Xu
PURPOSE: This study was attempted to investigate the safety and clinical efficacy of percutaneous irreversible electroporation combined with allogeneic natural killer cell therapy for treating stage III/IV pancreatic cancer, evaluate median progression-free survival (PFS), and overall survival (OS). METHODS: Between March 2016 and February 2017, we enrolled 67 patients who met the enrollment criteria. According to the latest NCCN Guidelines, the patients were divided into stage III (35 patients, 16 patients received only irreversible electroporation (IRE) and 19 patients received IRE-NK: 8 patients underwent one course NK and 11 patients underwent ≥3 courses) and stage IV (32 patients, 14 patients received only IRE and 18 patients received IRE-NK: 8 patients underwent one course NK and 10 patients underwent ≥3 courses)...
September 4, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28869666/comprehensive-guidance-for-antibiotic-dosing-in-obese-adults
#13
Lina Meng, Emily Mui, Marisa K Holubar, Stan C Deresinski
BACKGROUND: Physiologic alterations seen in obesity commonly impact the pharmacokinetics (PK) and pharmacodynamics (PD) of antibiotics and may result in suboptimal dosing in this expanding but understudied population. Much of the published clinical and PK evidence to date consists of small patient populations and are retrospective with, not infrequently, heterogenous results that, in some cases, are contradictory. In the last 10 years, additional antimicrobial PK/PD and clinical data encompassing prolonged infusion strategies and examination of critically ill populations has emerged to inform antimicrobial dosing in obesity...
September 4, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28869169/-temocillin-and-urinary-tract-infections
#14
M Vallée, F Bruyère, F Roblot, L Brureau
INTRODUCTION: Temocillin is an alternative to treat urinary tract infections with bacteria producing extended spectrum beta-lactamase (ESBL). The objective is to evaluate the use of temocillin in urinary tract infections. MATERIALS AND METHODS: A systematic review of literature was carried out according to PRISMA criteria. All national and international recommendations have been reviewed regarding the indication of the use of temocillin in urology. Data collection on the use of temocillin in urinary tract infection has been performed from the Cochrane, LILACS and the Medline database...
August 28, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28867606/similar-precipitated-withdrawal-effects-on-intracranial-self-stimulation-during-chronic-infusion-of-an-e-cigarette-liquid-or-nicotine-alone
#15
A C Harris, P Muelken, J R Smethells, M Krueger, M G LeSage
The FDA recently extended their regulatory authority to electronic cigarettes (ECs). Because the abuse liability of ECs is a leading concern of the FDA, animal models are urgently needed to identify factors that influence the relative abuse liability of these products. The ability of tobacco products to induce nicotine dependence, defined by the emergence of anhedonia and other symptoms of nicotine withdrawal following cessation of their use, contributes to tobacco abuse liability. The present study compared the severity of precipitated withdrawal during chronic infusion of nicotine alone or nicotine-dose equivalent concentrations of three different EC refill liquids in rats, as indicated by elevations in intracranial self-stimulation (ICSS) thresholds (anhedonia-like behavior)...
September 1, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28861682/chemotherapeutic-dosing-implicated-by-pharmacodynamic-modeling-of-in-vitro-cytotoxic-data-a-case-study-of-paclitaxel
#16
Hua He, Yanguang Cao
Conventional maximum tolerated doses (MTD) in chemotherapy are recently challenged by an alternative dosing method with low doses and high dosing frequency (LDHF). Still, it remains unclear which chemotherapies would potentially benefit from LDHF. The pharmacokinetic (PK) differences between MTD and LDHF are drug exposure magnitude (concentration) and exposure duration (time), two fundamental PK elements that are associated with the pharmacodynamics (PD) of chemotherapies. Here we hypothesized that quantitatively analyzing the contribution of each PK element to the overall cytotoxic effects would provide insights to the selection of the preferred chemotherapeutic dosing...
August 31, 2017: Journal of Pharmacokinetics and Pharmacodynamics
https://www.readbyqxmd.com/read/28844761/the-effect-of-pharmacological-inactivation-of-the-mammillary-body-and-anterior-thalamic-nuclei-on-hippocampal-theta-rhythm-in-urethane-anesthetized-rats
#17
Witold Żakowski, Piotr Zawistowski, Łukasz Braszka, Edyta Jurkowlaniec
The mammillary body (MB) and the anterior thalamic nuclei (ATN) are closely related structures, which take part in learning and memory processes. However, the exact role of these structures has remained unclear. In both structures neurons firing according to hippocampal theta rhythm have been found, mainly in the medial mammillary nucleus (MM) and anteroventral thalamic nucleus (AV). These neurons are driven by descending projections from the hippocampal formation and are thought to convey theta rhythm back to the hippocampus (HP)...
August 24, 2017: Neuroscience
https://www.readbyqxmd.com/read/28843768/carfilzomib-or-bortezomib-in-relapsed-or-refractory-multiple-myeloma-endeavor-an-interim-overall-survival-analysis-of-an-open-label-randomised-phase-3-trial
#18
Meletios A Dimopoulos, Hartmut Goldschmidt, Ruben Niesvizky, Douglas Joshua, Wee-Joo Chng, Albert Oriol, Robert Z Orlowski, Heinz Ludwig, Thierry Facon, Roman Hajek, Katja Weisel, Vania Hungria, Leonard Minuk, Shibao Feng, Anita Zahlten-Kumeli, Amy S Kimball, Philippe Moreau
BACKGROUND: The phase 3 ENDEAVOR trial was a head-to-head comparison of two proteasome inhibitors in patients with relapsed or refractory multiple myeloma. Progression-free survival was previously reported to be significantly longer with carfilzomib administered in combination with dexamethasone than with bortezomib and dexamethasone in an interim analysis. The aim of this second interim analysis was to compare overall survival between the two treatment groups. METHODS: ENDEAVOR was a phase 3, open-label, randomised controlled trial in patients with relapsed or refractory multiple myeloma...
August 23, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28843567/saturated-fatty-acid-determination-method-using-paired-ion-electrospray-ionization-mass-spectrometry-coupled-with-capillary-electrophoresis
#19
Ji-Hyun Lee, Su-Jin Kim, Sul Lee, Jin-Kyu Rhee, Soo Young Lee, Yun-Cheol Na
A sensitive and selective capillary electrophoresis-mass spectrometry (CE-MS) method for determination of saturated fatty acids (FAs) was developed by using dicationic ion-pairing reagents forming singly charged complexes with anionic FAs. For negative ESI detection, 21 anionic FAs at pH 10 were separated using ammonium formate buffer containing 40% acetonitrile modifier in normal polarity mode in CE by optimizing various parameters. This method showed good separation efficiency, but the sensitivity of the method to short-chain fatty acids was quite low, causing acetic and propionic acids to be undetectable even at 100 mgL(-1) in negative ESI-MS detection...
September 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28826213/liquid-infused-smooth-surface-for-improved-condensation-heat-transfer
#20
Hirotaka Tsuchiya, Mizuki Tenjimbayashi, Takeo Moriya, Ryohei Yoshikawa, Kaichi Sasaki, Ryo Togasawa, Taku Yamazaki, Kengo Manabe, Seimei Shiratori
Control of vapor condensation properties is a promising approach to manage a crucial part of energy infrastructure conditions. Heat transfer by vapor condensation on superhydrophobic coatings has garnered attention, because dropwise condensation on superhydrophobic surfaces with rough structures leads to favorable heat-transfer performance. However, pinned condensed water droplets within the rough structure and a high thermodynamic energy barrier for nucleation of superhydrophobic surfaces limit their heat-transfer increase...
August 30, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
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