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https://www.readbyqxmd.com/read/29688787/comparison-of-desflurane-and-propofol-at-equipotent-doses-in-combination-with-a-constant-rate-infusion-of-dexmedetomidine-on-global-and-peripheral-perfusion-and-oxygenation-in-horses
#1
Stephan Neudeck, Sabine B R Kästner, Liza Wittenberg-Voges, Karl Rohn, Klaus Hopster
OBJECTIVE To determine global and peripheral perfusion and oxygenation during anesthesia with equipotent doses of desflurane and propofol combined with a constant rate infusion of dexmedetomidine in horses. ANIMALS 6 warmblood horses. PROCEDURES Horses were premedicated with dexmedetomidine (3.5 μg•kg-1 , IV). Anesthesia was induced with propofol or ketamine and maintained with desflurane or propofol (complete crossover design) combined with a constant rate infusion of dexmedetomidine (7 μg•kg-1 •h-1 )...
May 2018: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/29686154/population-pharmacokinetic-model-for-vancomycin-used-in-open-heart-surgery-model-based-evaluation-of-standard-dosing-regimens
#2
Saeed A Alqahtani, Abdullah S Alsultan, Hussain M Alqattan, Ahmed Eldemerdash, Turki B Albacker
The purpose of this study was to investigate the population pharmacokinetics of vancomycin in patients undergoing open heart surgery. In this observational pharmacokinetic study, multiple blood samples were drawn over a 48-h period of intravenous vancomycin in patients who were undergoing open heart surgery. Blood samples were analysed using the Architect i4000SR Immunoassay Analyzer. Population pharmacokinetic models were developed using Monolix 4.4 software. Pharmacokinetic-pharmacodynamic (PK-PD) simulations were performed to explore the ability of different dosage regimens to achieve the pharmacodynamic targets...
April 23, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29685815/safety-and-efficacy-of-eculizumab-in-guillain-barr%C3%A3-syndrome-a-multicentre-double-blind-randomised-phase-2-trial
#3
Sonoko Misawa, Satoshi Kuwabara, Yasunori Sato, Nobuko Yamaguchi, Kengo Nagashima, Kanako Katayama, Yukari Sekiguchi, Yuta Iwai, Hiroshi Amino, Tomoki Suichi, Takanori Yokota, Yoichiro Nishida, Tadashi Kanouchi, Nobuo Kohara, Michi Kawamoto, Junko Ishii, Motoi Kuwahara, Hidekazu Suzuki, Koichi Hirata, Norito Kokubun, Ray Masuda, Juntaro Kaneko, Ichiro Yabe, Hidenao Sasaki, Ken-Ichi Kaida, Hiroshi Takazaki, Norihiro Suzuki, Shigeaki Suzuki, Hiroyuki Nodera, Naoko Matsui, Shoji Tsuji, Haruki Koike, Ryo Yamasaki, Susumu Kusunoki
BACKGROUND: Despite the introduction of plasmapheresis and immunoglobulin therapy, many patients with Guillain-Barré syndrome still have an incomplete recovery. Evidence from pathogenesis studies suggests the involvement of complement-mediated peripheral nerve damage. We aimed to investigate the safety and efficacy of eculizumab, a humanised monoclonal antibody against the complement protein C5, in patients with severe Guillain-Barré syndrome. METHODS: This study was a 24 week, multicentre, double-blind, placebo-controlled, randomised phase 2 trial done at 13 hospitals in Japan...
April 20, 2018: Lancet Neurology
https://www.readbyqxmd.com/read/29684628/inflammatory-markers-and-their-possible-effects-on-cognitive-function-in-women-with-posttraumatic-stress-disorder
#4
Risa Imai, Hiroaki Hori, Mariko Itoh, Mingming Lin, Madoka Niwa, Keiko Ino, Sei Ogawa, Makiko Ishida, Atsushi Sekiguchi, Mie Matsui, Hiroshi Kunugi, Tatsuo Akechi, Toshiko Kamo, Yoshiharu Kim
Posttraumatic stress disorder (PTSD) has been associated with increased inflammation, albeit with some controversy. Another key feature of PTSD is compromised function in wide-ranging cognitive domains. Increased peripheral inflammation can contribute to cognitive dysfunction, although this relationship has not been studied in patients with PTSD. Here, we examined blood inflammatory markers in adult patients with PTSD compared to healthy controls taking account of potentially confounding effects of childhood maltreatment and comorbid major depressive disorder (MDD), and explored the association between inflammation and cognition...
April 13, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29683740/clinical-use-of-closed-system-safety-peripheral-intravenous-cannulas
#5
Andrew Barton
Peripheral intravenous (IV) cannulas are the quickest and most effective way of gaining venous vascular access and administering IV therapy. Closed-system peripheral IV cannulas have been shown to be safe and more reliable than open, non-valved peripheral cannulas in clinical practice. This article introduces the Smiths Medical DeltaVen closed-system peripheral IV cannula and includes three case studies describing its use in clinical practice and associated patient outcomes.
April 26, 2018: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29683736/helping-nurses-help-pivcs-decision-aids-for-daily-assessment-and-maintenance
#6
Gillian Ray-Barruel, Claire M Rickard
Improving the safety and quality of health care relies on implementing evidence-based findings into every-day clinical practice. Numerous clinical decision aids have been developed to guide nursing care of the patient with a peripheral intravenous catheter (PIVC), including standards, guidelines, decision frameworks, bundles, policies, procedures, algorithms, pathways, checklists and scoring tools. While all are created with the intention of facilitating the delivery of safe, effective nursing care and improving patient outcomes, there are distinct differences in methodology and design between them, and many are based on expert opinion and historical practice rather than high-quality evidence...
April 26, 2018: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29682600/bevacizumab-with-metronomic-chemotherapy-of-low-dose-oral-cyclophosphamide-in-recurrent-cervical-cancer-four-cases
#7
Rose Isono-Nakata, Hiroshi Tsubamoto, Tomoko Ueda, Kayo Inoue, Hiroaki Shibahara
Standard chemotherapy for women with advanced or recurrent cervical cancer involves a combination of paclitaxel, platinum, and bevacizumab. However, for patients who experience anaphylaxis in response to paclitaxel or platinum, have permanent peripheral neuropathy, or develop early recurrence or progressive disease during first-line chemotherapy, the development of a non-taxane non-platinum regimen is mandatory. Clinical trials using anti-angiogenic treatment demonstrated favorable outcomes in cases of highly vascularized cervical cancer...
May 2018: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/29682201/molecular-signatures-associated-with-tumor-specific-immune-response-in-melanoma-patients-treated-with-dendritic-cell-based-immunotherapy
#8
Tamara García-Salum, Andrea Villablanca, Franziska Matthäus, Andrés Tittarelli, Mauricio Baeza, Cristián Pereda, M Alejandra Gleisner, Fermín E González, Mercedes N López, Jörg D Hoheisel, Johannes Norgauer, Peter J Gebicke-Haerter, Flavio Salazar-Onfray
Purpose: We previously showed that autologous dendritic cells (DCs) loaded with an allogeneic heat shock (HS)-conditioned melanoma cell-derived lysate, called TRIMEL, induce T-cell-mediated immune responses in stage IV melanoma patients. Importantly, a positive delayed-type hypersensitivity (DTH) reaction against TRIMEL after vaccination, correlated with patients prolonged survival. Furthermore, we observed that DTH reaction was associated with a differential response pattern reflected in the presence of distinct cell subpopulations in peripheral blood...
March 30, 2018: Oncotarget
https://www.readbyqxmd.com/read/29680795/monomac-syndrome-with-associated-neurological-deficits-and-longitudinally-extensive-cord-lesion
#9
Mastura Monif, Aamira Huq, Lynette Chee, Trevor Kilpatrick
We present a case of monocytopaenia and mycobacteria-related infection (MonoMac) syndrome in a 30-year-old man of Indian origin. The clinical diagnosis of GATA2 haploinsufficiency was suspected after an unusual neurological presentation on a background of myelodysplastic syndrome and childhood pulmonary tuberculosis. The patient had a longitudinally extensive spinal cord lesion and a lesion in the medulla. No obvious infective cause for the spinal cord MRI abnormality was found, and the lesions were presumed to be inflammatory in nature...
April 21, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29680516/peripheral-blood-grafts-for-t-cell-replete-haploidentical-transplantation-increase-the-incidence-and-severity-of-cytokine-release-syndrome
#10
Renju V Raj, Mehdi Hamadani, Aniko Szabo, Marcelo C Pasquini, Nirav N Shah, William R Drobyski, Bronwen E Shaw, Wael Saber, J Douglas Rizzo, James Jerkins, Timothy S Fenske, Anita D'Souza, Binod Dhakal, Chao Zhang, Steve Konings, Parameswaran N Hari, Saurabh Chhabra
T-cell replete post-transplant cyclophosphamide (PT-CY)-based protocols have led to increasing use of haploidentical allogeneic hematopoietic cell transplantation (haploHCT). With this approach, bidirectional alloreactivity causing non-engraftment or severe graft-versus-host disease (GVHD) are no longer major barriers to haploHCT. PT-CY eliminates alloreactive lymphocytes but spares CD34+ stem cells and regulatory T lymphocytes, resulting in reliable hematopoietic recovery with relatively low incidence of GVHD...
April 19, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29678697/intra-cranial-cryptococcoma-clinicopathological-correlation-and-surgical-outcome-a-single-institute-experience
#11
Alok Uppar, A R Prabhu Raj, Subhas Konar, Sandeep K, Dhaval Shukla, Sampath Somanna, B Indira Devi, Yasha C, Nagarathna Chandrashekar
OBJECTIVE: The present case series describes the clinical characteristics of patients diagnosed with intra cranialcryptococcoma(ICC), the clinic-pathological correlation and the outcomes following surgery. MATERIALS AND METHODS: The clinical data were collected from hospital case records and pathological confirmation was done by a neuropathologist. Clinical details, imaging features, and treatment modalities were studied and were correlated with outcomes based on regular follow up...
April 17, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29678542/effect-of-intravascular-contrast-agent-on-diffusion-and-perfusion-fraction-coefficients-in-the-peripheral-zone-and-prostate-cancer
#12
Yousef Mazaheri, Andreas M Hötker, Amita Shukla-Dave, Oguz Akin, Hedvig Hricak
PURPOSE: To determine whether water diffusion and the perfusion fraction coefficients in prostate peripheral zone (PZ) and prostate cancer (PCa) are affected by intravenous contrast injection and explore the potential mechanism behind previously reported differences between pre- and post-contrast ADC values. METHODS: Our institutional review board waived informed consent for this HIPAA-compliant, retrospective study, which included 32 patients (median age, 63 years; range, 47-77 years) with biopsy-proven, untreated PCa who underwent 3-Tesla MRI, including DW-MRI at b-values 0, 400, 700, 1000 s/mm2 before and after gadolinium injection...
April 17, 2018: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/29677389/population-pharmacokinetics-of-intramuscular-and-intravenous-ketamine-in-children
#13
Christoph P Hornik, Daniel Gonzalez, John van den Anker, Andrew M Atz, Ram Yogev, Brenda B Poindexter, Kee Chong Ng, Paula Delmore, Barrie L Harper, Chiara Melloni, Andrew Lewandowski, Casey Gelber, Michael Cohen-Wolkowiez, Jan Hau Lee
Ketamine is an N-methyl D-aspartate receptor antagonist used off-label to facilitate dissociative anesthesia in children undergoing invasive procedures. Available for both intravenous and intramuscular administration, ketamine is commonly used when vascular access is limited. Pharmacokinetic (PK) data in children are sparse, and the bioavailability of intramuscular ketamine in children is unknown. We performed 2 prospective PK studies of ketamine in children receiving either intramuscular or intravenous ketamine and combined the data to develop a pediatric population PK model using nonlinear mixed-effects methods...
April 20, 2018: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29675812/a-new-venous-entry-detection-method-based-on-electrical-bio-impedance-sensing
#14
Zhuoqi Cheng, Brian L Davies, Darwin G Caldwell, Leonardo S Mattos
Peripheral intravenous catheterization (PIVC) is frequently required for various medical treatments. Over 1 billion PIVC operations are performed per year in the United States alone. However, this operation is characterized by a very low success rate, especially amongst pediatric patients. Statistics show that only 53% of first PIVC attempts are successful in pediatric patients. Since their veins are small and readily rupture, multiple attempts are commonly required before successfully inserting the catheter into the vein...
April 19, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29675625/multidetector-ct-of-iatrogenic-and-self-inflicted-vascular-lesions-and-infections-at-the-groin
#15
REVIEW
Massimo Tonolini, Anna Maria Ierardi, Gianpaolo Carrafiello, Domenico Laganà
The number and complexity of endovascular procedures performed via either arterial or venous access are steadily increasing. Albeit associated with higher morbidity compared to the radial approach, the traditional common femoral artery remains the preferred access site in a variety of cardiac, aortic, oncologic and peripheral vascular procedures. Both transarterial and venous cannulation (for electrophysiology, intravenous laser ablation and central catheterisation) at the groin may result in potentially severe vascular access site complications (VASC)...
April 19, 2018: Insights Into Imaging
https://www.readbyqxmd.com/read/29672039/discovery-of-allosteric-potent-subtype-selective-and-peripherally-restricted-trka-kinase-inhibitors
#16
Sharan K Bagal, Kiyoyuki Omoto, David C Blakemore, Peter J Bungay, James G Bilsland, Philip J Clarke, Matthew S Corbett, Ciarán N Cronin, Jingrong Jean Cui, Rebecca Dias, Neil J Flanagan, Samantha E Greasley, Rachel Grimley, Eric Johnson, David Fengas, Linda Kitching, Michelle L Kraus, Indrawan McAlpine, Asako Nagata, Gareth J Waldron, Joseph S Warmus
Tropomyosin receptor kinases are a family of three tyrosine kinases (TrkA, TrkB, TrkC) activated by peptide hormones of the neurotrophin family: nerve growth factor (NGF), brain derived neurotrophic factor (BDNF), neurotrophin 3 (NT3) and neurotrophin 4 (NT4). The NGF antibody tanezumab has provided clinical proof of concept for inhibition of the TrkA kinase pathway in pain. In turn, this has led to significant interest in the development of small molecule inhibitors of TrkA as an alternative intervention point on the NGF pathway...
April 19, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29670128/mitochondrial-function-in-individuals-at-clinical-high-risk-for-psychosis
#17
Tania Da Silva, Abbie Wu, Isabelle Laksono, Ivana Prce, Margaret Maheandiran, Michael Kiang, Ana C Andreazza, Romina Mizrahi
Alterations in mitochondrial function have been implicated in the etiology of schizophrenia. Most studies have investigated alterations in mitochondrial function in patients in which the disorder is already established; however, whether mitochondrial dysfunction predates the onset of psychosis remains unknown. We measured peripheral mitochondrial complex (I-V) function and lactate/pyruvate levels in 27 antipsychotic-naïve individuals at clinical high risk for psychosis (CHR) and 16 healthy controls. We also explored the association between mitochondrial function and brain microglial activation and glutathione levels using a translocator protein 18 kDa [18 F]FEPPA PET scan and 1 H-MRS scan, respectively...
April 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29669583/protocol-for-a-systematic-review-and-thematic-synthesis-of-patient-experiences-of-central-venous-access-devices-in-anti-cancer-treatment
#18
Caoimhe Ryan, Hannah Hesselgreaves, Olivia Wu, Jim Paul, Judith Dixon-Hughes, Jonathan G Moss
BACKGROUND: Three types of central venous access devices (CVADs)-peripherally inserted central catheters (PICCs), skin-tunnelled central catheters (Hickman-type devices), and implantable chest wall Ports (Ports)-are routinely used in the intravenous administration of anti-cancer treatment. These devices avoid the need for peripheral cannulation and allow for home delivery of treatment. Assessments of these devices have tended to focus on medical and economic factors, but there is increased interest in the importance of patient experiences and perspectives in this area...
April 18, 2018: Systematic Reviews
https://www.readbyqxmd.com/read/29669273/in-vivo-structures-of-the-helicobacter-pylori-cag-type-iv-secretion-system
#19
Yi-Wei Chang, Carrie L Shaffer, Lee A Rettberg, Debnath Ghosal, Grant J Jensen
The type IV secretion system (T4SS) is a versatile nanomachine that translocates diverse effector molecules between microbes and into eukaryotic cells. Here, using electron cryotomography, we reveal the molecular architecture of the Helicobacter pylori cag T4SS. Although most components are unique to H. pylori, the cag T4SS exhibits remarkable architectural similarity to other T4SSs. Our images revealed that, when H. pylori encounters host cells, the bacterium elaborates membranous tubes perforated by lateral ports...
April 17, 2018: Cell Reports
https://www.readbyqxmd.com/read/29668607/successful-treatment-of-high-risk-myelodysplastic-syndrome-with-decitabine-based-chemotherapy-followed-by-haploidentical-lymphocyte-infusion-a-case-report-and-literature-review
#20
Yuanyuan Ma, Jianliang Shen, Li-Xin Wang
RATIONALE: The current therapy for elderly patients with high-risk myelodysplastic syndromes (MDSs) remains unsatisfactory. Decitabine, which has been approved to treat MDS, cannot eliminate malignant clones of MDS. PATIENT CONCERNS: A 68-year-old woman presented with multiple divergent bleeding points in the subcutaneous tissue of the limb. Two years earlier, she had been diagnosed with invasive ductal carcinoma of the left breast and had undergone left modified radical mastectomy and local radiation therapy...
April 2018: Medicine (Baltimore)
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