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https://www.readbyqxmd.com/read/29346737/quantitative-and-qualitative-assessment-of-the-relative-arterial-contributions-to-the-calcaneus
#1
Johanna C E Donders, Craig E Klinger, Andre D Shaffer, Lionel E Lazaro, Ryan R Thacher, Jonathan P Dyke, David S Wellman, David L Helfet, Dean G Lorich
BACKGROUND: The purpose of this study was to quantitatively and qualitatively assess relative arterial contributions to the calcaneus. METHOD: Fourteen cadaveric ankle pairs were used. In each specimen, the posterior tibial artery, peroneal artery, and anterior tibial artery were cannulated and used for contrast-enhanced magnetic resonance imaging (MRI) and computed tomography (CT). Quantitative MRI analysis of the pre- and postcontrast MRI scans facilitated assessment of relative arterial contributions...
January 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29345510/preliminary-evaluation-of-the-viability-of-peritoneal-drainage-catheters-implanted-in-rats-for-extended-durations
#2
Nathan Legband, Arielle Black, Craig Kreikemeier-Bower, Benjamin S Terry
Purpose/Aim: In developing a novel peritoneal oxygenation therapy, catheters implanted into the peritoneal cavity became obstructed with omental tissue and prevented the infusion and removal of fluid from the peritoneal cavity. The obstruction of peritoneal catheters is a significant failure in researching various peritoneal treatments as further fluid administration is no longer possible. The purpose of this preliminary study was to determine the most effective catheter design for infusion and removal of fluid into the peritoneal cavity of rats...
January 18, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/29332796/direct-olive-oil-analysis-by-mass-spectrometry-a-comparison-of-different-ambient-ionization-methods
#3
Felipe J Lara-Ortega, Miriam Beneito-Cambra, José Robles-Molina, Juan F García-Reyes, Bienvenida Gilbert-López, Antonio Molina-Díaz
Analytical methods based on ambient ionization mass spectrometry (AIMS) combine the classic outstanding performance of mass spectrometry in terms of sensitivity and selectivity along with convenient features related to the lack of sample workup required. In this work, the performance of different mass spectrometry-based methods has been assessed for the direct analyses of virgin olive oil for quality purposes. Two sets of experiments have been setup: (1) direct analysis of untreated olive oil using AIMS methods such as Low-Temperature Plasma Mass Spectrometry (LTP-MS) or paper spray mass spectrometry (PS-MS); or alternatively (2) the use of atmospheric pressure ionization (API) mass spectrometry by direct infusion of a diluted sample through either atmospheric pressure chemical ionization (APCI) or electrospray (ESI) ionization sources...
April 1, 2018: Talanta
https://www.readbyqxmd.com/read/29313863/pharmacokinetics-of-high-dose-extended-infusion-meropenem-during-pulmonary-exacerbation-in-adult-cystic-fibrosis-patients-a-case-series
#4
Emanuele Delfino, Carmen Fucile, Valerio Del Bono, Anna Marchese, Valeria Marini, Erika Coppo, Rosaria Casciaro, Laura Minicucci, Daniele Roberto Giacobbe, Antonietta Martelli, Claudio Viscoli, Francesca Mattioli
This case series explored the pharmacokinetic/pharmacodynamic (PK/PD) characteristics of meropenem (MEM) in adult cystic fibrosis (CF) patients hospitalized for a pulmonary exacerbation. From January 2015 to June 2016, all adult patients with cystic fibrosis (CF) and chronic pulmonary infection due to meropenem (MEM)-susceptible/intermediate Pseudomonas aeruginosa who received at least 48 h of MEM as an extended 3-hour infusion for treating a pulmonary exacerbation were enrolled. MEM plasma concentrations were determined by high-performance liquid chromatography...
January 9, 2018: New Microbiologica
https://www.readbyqxmd.com/read/29284860/effect-of-locally-administered-dexmedetomidine-as-adjuvant-to-levobupivacaine-in-supraclavicular-brachial-plexus-block-double-blind-controlled-study
#5
Bikash Bisui, Swastika Samanta, Sumanta Ghoshmaulik, Amit Banerjee, Tirtha R Ghosh, Suman Sarkar
Context: Brachial plexus block is effective with good postoperative analgesia in upper limb surgery has gained importance as it safe, low cost, and maintains stable hemodynamics intraoperatively. To decrease the onset time and prolong the duration of nerve block bicarbonate, opioids (morphine, fentanyl, etc.), sympathomimetic agents (epinephrine, phenylephrine, etc.), α-2 agonists (clonidine and dexmedetomidine), calcium channel blocker (verapamil), magnesium sulfate, etc., were studied with local anesthetics and their isomers...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29246507/a-tritherapy-combination-of-inactivated-allogeneic-leukocytes-infusion-and-cell-vaccine-with-cyclophosphamide-in-a-sequential-regimen-enhances-antitumor-immunity
#6
Yishu Tang, Wenbo Ma, Chunxia Zhou, Dongmei Wang, Shuren Zhang
BACKGROUND: Tumor-induced immunosuppression can impede tumor-specific immune responses and limit the effects of cancer immunotherapy. The aim of this study was to investigate the possible effects of sequential chemoimmunotherapeutic strategies to enhance antitumor immune responses. METHODS: Using the E7-expressing tumor TC-1 as the tumor model, the treatment groups were divided into the following groups: (1) inactivated allogeneic leukocyte infusion (ALI), (2) ALI + MMC-inactivated TC-1 cell vaccine, and (3) ALI + MMC-inactivated TC-1 cell vaccine + cyclophosphamide (CTX)...
December 12, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29232299/the-axillary-intra-aortic-balloon-pump-as-a-bridge-to-recovery-allows-early-ambulation-in-long-term-use-case-series-and-literature-review
#7
Nnamdi Nwaejike, Andre Y Son, Chetan B Patel, Jacob N Schroder, Carmelo A Milano, Mani A Daneshmand
We evaluated the feasibility, tolerability, and efficacy of a strategy for transaxillary artery intra-aortic balloon pump placement for extended mechanical circulatory support of patients with postcardiotomy shock as a bridge to recovery. Patients requiring prolonged intra-aortic balloon pump support for postcardiotomy heart failure were identified. Intra-aortic balloon pump was tunneled through a 6-mm Dacron graft anastomosed to the right axillary artery. The intra-aortic balloon pump catheter is advanced under fluoroscopic guidance into the descending thoracic aorta...
November 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29224881/early-lactation-extended-pirlimycin-therapy-against-naturally-acquired-staphylococcus-aureus-intramammary-infections-in-heifers-a-randomized-controlled-trial
#8
S Skoulikas, S Dufour, D Haine, J-Y Perreault, J-P Roy
The primary objective of the current study was to evaluate cure rate following an early-lactation extended intramammary pirlimycin treatment on heifers naturally infected by Staphylococcus aureus. The secondary objective was to assess Petrifilm Staph Express (3M Microbiology, St. Paul, MN) count plate characteristics when used in a protocol for early-lactation detection of infected quarters in heifers. Milk samples were collected from heifers (n = 946) in the first few days following calving (mean = 5 d). Heifers with laboratory-confirmed S...
December 7, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29196318/inactivation-of-nmda-receptors-in-the-ventral-tegmental-area-during-cocaine-self-administration-prevents-glua1-up-regulation-but-with-paradoxical-increases-in-cocaine-seeking-behavior
#9
Daniel Guzman, Maria B Carreira, Allyson K Friedman, Megumi Adachi, Rachael L Neve, Lisa M Monteggia, Ming-Hu Han, Christopher W Cowan, David W Self
Cocaine self-administration increases expression of GluA1 subunits in ventral tegmental area (VTA) dopamine neurons that subsequently enhance the motivation for cocaine. This increase in GluA1 may be dependent on concomitant NMDA receptor (NMDAR) activation during self-administration, similar to cocaine-induced LTP in the VTA. In this study, we used viral-mediated expression of a dominant negative GluN1 subunit (HSV-dnGluN1) in VTA neurons to study the effect of transient NMDAR inactivation on the GluA1 increases induced by chronic cocaine self-administration in male rats...
December 1, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29183686/neurocognitive-dysfunction-following-repeated-binge-like-self-administration-of-the-synthetic-cathinone-3-4-methylenedioxypyrovalerone-mdpv
#10
REVIEW
Kaveish Sewalia, Lucas R Watterson, Alyssa Hryciw, Anna Belloc, J Bryce Ortiz, M Foster Olive
Synthetic cathinones, frequently referred to as "bath salts", have significant abuse potential, and recent evidence suggests that these novel psychoactive substances can also produce cognitive deficits as well as cytotoxic effects. However, most of these latter findings have been obtained either using high concentrations in vitro or following non-contingent high dose administration in vivo. The present study utilized a model of long-term voluntary binge-like self-administration to determine potential detrimental effects of synthetic cathinones on cognitive function and their known underlying neural circuits, collectively referred to as neurocognitive dysfunction...
November 25, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29181841/epidural-therapy-for-the-treatment-of-severe-pre-eclampsia-in-non-labouring-women
#11
REVIEW
Amita Ray, Sujoy Ray
BACKGROUND: Pre-eclampsia is a pregnancy-specific multi-organ disorder, which is characterised by hypertension and multisystem organ involvement and which has significant maternal and fetal morbidity and mortality. Failure of the placental vascular remodelling and reduced uteroplacental flow form the etiopathological basis of pre-eclampsia. There are several established therapies for pre-eclampsia including antihypertensives and anticonvulsants. Most of these therapies aim at controlling the blood pressure or preventing complications of elevated blood pressure, or both...
November 28, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29170562/enhanced-durability-of-carbon-nanotube-grafted-hierarchical-ceramic-microfiber-reinforced-epoxy-composites
#12
Ajay Krishnamurthy, Donald L Hunston, Amanda L Forster, Bharath Natarajan, Andrew H Liotta, Sunny S Wicks, Paul E Stutzman, Brian L Wardle, J Alexander Liddle, Aaron M Forster
As carbon nanotube (CNT) infused hybrid composites are increasingly identified as next-generation aerospace materials, it is vital to evaluate their long-term structural performance under aging environments. In this work, the durability of hierarchical, aligned CNT grafted aluminoborosilicate microfiber-epoxy composites (CNT composites) are compared against baseline aluminoborosilicate composites (baseline composites), before and after immersion in water at 25 °C (hydro) and 60 °C (hydrothermal), for extended durations (90 d and 180 d)...
December 2017: Carbon
https://www.readbyqxmd.com/read/29167063/intramuscular-administration-potentiates-extended-dwell-time-of-mesenchymal-stromal-cells-compared-to-other-routes
#13
Lorena R Braid, Catherine A Wood, Danielle M Wiese, Barry N Ford
BACKGROUND: Mesenchymal stromal cells (MSCs) offer great potential for diverse clinical applications. However, conventional systemic infusion of MSCs limits their therapeutic benefit, since intravenously (IV) infused cells become entrapped in the lungs where their dwell time is short. METHODS: To explore possible alternatives to IV infusion, we used in vivo optical imaging to track the bio-distribution and survival of 1 million bioluminescent MSCs administered IV, intraperitoneally (IP), subcutaneously (SC) and intramuscularly (IM) in healthy athymic mice...
November 19, 2017: Cytotherapy
https://www.readbyqxmd.com/read/29164519/atorvastatin-prevents-early-oxidative-events-and-modulates-inflammatory-mediators-in-the-striatum-following-intranasal-1-methyl-4-phenyl-1-2-3-6-tetrahydropyridine-mptp-administration-in-rats
#14
Naiani F Marques, Adalberto A Castro, Gianni Mancini, Fernanda L Rocha, Adair R S Santos, Rui D Prediger, Andreza Fabro De Bem, Carla I Tasca
Atorvastatin is a 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitor with cholesterol-lowering, anti-inflammatory, and antioxidant properties. Increasing evidence show atorvastatin acts as a protective agent against insults in the central nervous system (CNS). The regular use of statins has been associated with a reduced risk of Parkinson's disease (PD) development. Here, we evaluated early events involved in the neurotoxicity induced by intranasal (i.n.) infusion of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) in rats and the potential of atorvastatin to prevent these early toxic events...
November 21, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/29158532/recombinant-decorin-fusion-protein-attenuates-murine-abdominal-aortic-aneurysm-formation-and-rupture
#15
Yue Shen, Valerio Russo, Matthew R Zeglinski, Stephanie L Sellers, Zhengguo Wu, Cameron Oram, Stephanie Santacruz, Yulia Merkulova, Christopher Turner, Keerit Tauh, Hongyan Zhao, Tatjana Bozin, Lubos Bohunek, Haishan Zeng, Michael A Seidman, R Chris Bleackley, Bruce M McManus, Erkki Ruoslahti, Tero A H Järvinen, David J Granville
Decorin (DCN) is a small-leucine rich proteoglycan that mediates collagen fibrillogenesis, organization, and tensile strength. Adventitial DCN is reduced in abdominal aortic aneurysm (AAA) resulting in vessel wall instability thereby predisposing the vessel to rupture. Recombinant DCN fusion protein CAR-DCN was engineered with an extended C-terminus comprised of CAR homing peptide that recognizes inflamed blood vessels and penetrates deep into the vessel wall. In the present study, the role of systemically-administered CAR-DCN in AAA progression and rupture was assessed in a murine model...
November 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29156484/-perioperative-intravenous-fluid-therapy-in-children
#16
Robert Sümpelmann
The objective of this consensus-based S1 Guideline for perioperative fluid therapy in children is to maintain or re-establish the child's homeostasis. Therefore, the perioperative fasting times should be as short as possible to prevent patient discomfort, dehydration, and ketoacidosis. For the intraoperative background infusion a physiologically composed balanced isotonic electrolyte solution (BS) with 1 - 2.5% glucose is recommended to maintain normal glucose concentrations and to avoid hyponatremia, hyperchloremia, and lipolysis...
November 2017: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/29155436/enzyme-replacement-therapy-for-infantile-onset-pompe-disease
#17
REVIEW
Min Chen, Lingli Zhang, Shuyan Quan
BACKGROUND: Infantile-onset Pompe disease is a rare and progressive autosomal-recessive disorder caused by a deficiency of the lysosomal enzyme acid alpha-glucosidase (GAA). Current treatment involves enzyme replacement therapy (with recombinant human alglucosidase alfa) and symptomatic therapies (e.g. to control secretions). Children who are cross-reactive immunological material (CRIM)-negative require immunomodulation prior to commencing enzyme replacement therapy.Enzyme replacement therapy was developed as the most promising therapeutic approach for Pompe disease; however, the evidence is lacking, especially regarding the optimal dose and dose frequency...
November 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29146721/development-of-a-function-blocking-antibody-against-fibulin-3-as-targeted-reagent-for-glioblastoma
#18
Mohan Sobhana Nandhu, Prajna Behera, Vivek Bhaskaran, Sharon L Longo, Lina M Barrera-Arenas, Sadhak Sengupta, Diego J Rodriguez-Gil, E Antonio Chiocca, Mariano S Viapiano
PURPOSE: We sought a novel approach against glioblastomas (GBM) focused on targeting signaling molecules localized in the tumor extracellular matrix (ECM). We investigated fibulin-3, a glycoprotein that forms the ECM scaffold of GBMs and promotes tumor progression by driving Notch and NF-kB signaling. EXPERIMENTAL DESIGN: We used deletion constructs to identify a key signaling motif of fibulin-3. A monoclonal antibody (mAb428.2) was generated against this epitope and extensively validated for specific detection of human fibulin-3...
November 16, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29131413/the-effect-of-epitope-based-ligation-of-icam-1-on-survival-and-retransplantation-of-pig-islets-in-nonhuman-primates
#19
Jae-Il Lee, Jiyeon Kim, Yun-Jung Choi, Hi-Jung Park, Hye-Jin Park, Hae Joo Wi, Sunok Yoon, Jun-Seop Shin, Jin Kyun Park, Kyeong Cheon Jung, Eun Bong Lee, Hee Jung Kang, Eung Soo Hwang, Sang-Joon Kim, Chung-Gyu Park, Seong Hoe Park
BACKGROUND: Pig islet xenotransplantation is a promising alternative to allogeneic transplantation. However, the wide immunologic barrier between pigs and primates limits the long-term survival of the graft. MD-3, a novel monoclonal antibody (mAb) that recognizes a particular epitope of human ICAM-1, can render T cells tolerant to a xenograft by arresting dendritic cell maturation. We report the long-term survival of adult wild-type pig islets and successful retransplantation in nonhuman primates using a protocol comprising induction with MD-3 mAb and maintenance with anti-CD154 mAb and sirolimus...
November 12, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/29106037/mesenchymal-stem-cells-seeded-on-a-human-amniotic-membrane-improve-liver-regeneration-and-mouse-survival-after-extended-hepatectomy
#20
Aure Despeyroux, Cédric Duret, Claire Gondeau, Esther Perez-Gracia, Lisa Chuttoo, Hugues de Boussac, Philippe Briolotti, Claire Bony, Danièle Noël, Christian Jorgensen, Dominique Larrey, Martine Daujat-Chavanieu, Astrid Herrero
Liver failure remains the leading cause of postoperative mortality after hepatectomy. The present study investigated the effect of treatment with allogenic mesenchymal stem cells (MSCs) on survival and liver regeneration 48h and 7 days after 80% hepatectomy in C57Bl/6 mice. To optimize their biodistribution, MSCs were grown on acellular human amniotic membranes (HAM) and applied as a patch on the remnant liver. This approach was compared with MSC infusion and HAM patch alone. Hepatectomized mice without any treatment were used as control group...
November 6, 2017: Journal of Tissue Engineering and Regenerative Medicine
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