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https://www.readbyqxmd.com/read/29055086/acute-mitogen-activated-protein-kinase-1-2-inhibition-improves-functional-recovery-and-vascular-changes-after-ischemic-stroke-in-rat-monitored-by-9-4-t-magnetic-resonance-imaging
#1
Maryam Mostajeran, Friedrich Wetterling, Frank W Blixt, Lars Edvinsson, Saema Ansar
AIM: The aim was to evaluate the beneficial effect of early mitogen activated protein kinase (MEK)1/2 inhibition administered at a clinical relevant time-point using the transient middle cerebral artery occlusion model and a dedicated rodent magnetic resonance imaging system (9.4T) to monitor cerebrovascular changes non-invasively for two weeks. METHOD: Transient middle cerebral artery occlusion was induced in male rats for two hours followed by reperfusion. The specific MEK1/2 inhibitor U0126 was administered i...
October 21, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/29054937/learning-from-errors-unnecessary-intensive-care-unit-admissions
#2
Cecil A Rambarat, David E Winchester
An elderly man was transferred to our emergency department with reported ventricular tachycardia requiring intravenous amiodarone and intensive care unit admission. Device interrogation, the following day, revealed only frequent premature ventricular contractions and non-sustained ventricular tachycardia in a patient with a known history of these conditions. The patient underwent unnecessary invasive monitoring after being emergently transferred to our facility and admitted to the intensive care unit. Fortunately, our patient did not suffer any unwarranted side effects from intravenous amiodarone...
October 19, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29054652/filter-feeders-increase-sedimentation-of-titanium-dioxide-the-case-of-zebra-mussels
#3
Araceli D Larios, Rama Pulicharla, Satinder Kaur Brar, Maximiliano Cledón
Titanium dioxide particles (TiO2) are widely used to produce whitens (titanium white) and different class of nanomaterials (semiconductors, photo catalysts and nanotubes). Nanomaterials are excellent adsorbents and catalysts with a wide range of applications. However, these are reported to induce biological and genetic alterations among several invertebrate groups. Invasive species such as zebra mussels can be used as model organisms to study the behavior of particles and nanoparticles (NPs) due to their wide distribution; mussels have been extensively used for monitoring water pollution...
October 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29054262/evaluation-of-robotic-surgery-skills-using-dynamic-time-warping
#4
Jingyu Jiang, Yuan Xing, Shuxin Wang, Ke Liang
BACKGROUND AND OBJECTIVE: accompanied with the wide acceptance of robot assisted minimally invasive surgery (RMIS), the demand for efficient and objective surgical skills evaluation method is increased. Recently, with the development of medical engineering technology, several evaluation methods have been proposed. Among them, kinematic analysis, an unsupervised and data-based method, has been accepted by many researchers. However, this method is still limited by the number of metrics and unconvinced scoring system...
December 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29053782/seizure-onset-zone-localization-using-postictal-hypoperfusion-detected-by-arterial-spin-labelling-mri
#5
Ismael Gaxiola-Valdez, Shaily Singh, Tefani Perera, Sherry Sandy, Emmy Li, Paolo Federico
Neurological dysfunction following epileptic seizures is a well-recognized phenomenon. Several potential mechanisms have been suggested to explain postictal dysfunction, with alteration in cerebral blood flow being one possibility. These vascular disturbances may be long lasting and localized to brain areas involved in seizure generation and propagation, as supported by both animal and human studies. Therefore, measuring perfusion changes in the postictal period may help localize the seizure onset zone. Arterial spin labelling is a non-invasive, rapid and reproducible magnetic resonance imaging technique that measures cerebral perfusion...
September 28, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29051188/rapid-change-of-liver-stiffness-after-variceal-ligation-and-tips-implantation
#6
Felix Piecha, Daniel Paech, Janina Sollors, Helmut-Karl Seitz, Martin Rössle, Vanessa Rausch, Sebastian Mueller
Liver stiffness (LS) as measured by transient elastography is widely used to screen for liver fibrosis. However, LS also increases in response to pressure changes like congestion but no data on portal pressure are available. We here study the effect of rapid portal pressure changes on LS. Therefore, LS was assessed directly prior and after ligation of esophageal varices (n=11) as well as TIPS implantation in patients with established cirrhosis (n=14). Additionally, we retrospectively analyzed changes in LS and variceal size in patients with sequential gastroscopic monitoring and LS measurements (n=14)...
October 19, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29050444/treatment-of-ichthyosis-vulgaris-with-a-urea-based-emulsion-videodermatoscopy-and-confocal-microscopy-evaluation
#7
Clara Benintende, Simona Boscaglia, Franco Dinotta, Francesco Lacarrubba, Giuseppe Micali
BACKGROUND: Ichthyosis vulgaris is a common disorder of keratinization caused by mutations in the filaggrin gene and clinically characterized by variable degree of xerosis. METHODS: Five patients affected by ichthyosis vulgaris and moderate to severe xerosis of the lower limbs, were treated twice daily for 30 days with an emulsion containing 10% urea, ceramides, and natural moisturizing factors (NMF). Evaluation was performed at baseline and at the end of treatment by clinical examination, Visual Analogue Scale to quantify itch, videodermatoscopy (VD), and reflectance confocal microscopy (RCM)...
December 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29049191/significance-of-monitoring-plasma-concentration-of-voriconazole-in-a-patient-with-liver-failure-a-case-report
#8
Xiaoyan Liu, Haibin Su, Jingjing Tong, Jing Chen, Haozhen Yang, Long Xiao, Jinhua Hu, Lina Zhang
RATIONALE: Invasive pulmonary aspergillosis is associated with significant morbidity and mortality in patients with liver failure. Voriconazole (VRCZ) is recommended as a primary therapeutic agent for the treatment of invasive aspergillosis and metabolized in the liver. Now, data are still lacking on the safety and appropriate dosage of VRCZ in patients with liver failure. Here, we report a representative case of invasive pulmonary fungal infection in a patient with liver failure who was treated with low-dose VRCZ...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29048879/near-infrared-fluorescent-probe-with-remarkable-large-stokes-shift-and-favorable-water-solubility-for-real-time-tracking-leucine-aminopeptidase-in-living-cells-and-in-vivo
#9
Wenda Zhang, Feiyan Liu, Chao Zhang, Jian-Guang Luo, Jun Luo, Wenying Yu, Lingyi Kong
Leucine aminopeptidase (LAP) is a kind of proteolytic enzymes and associated closely with pathogenesis of cancer and liver injury. Accurate detection of LAP activity with high sensitivity and selectivity is imperative to detect its distribution and dynamic changes for understanding LAP's function and early diagnosing the disease states. However, fluorescent detection of LAP in living systems is challenging. To data, rarely fluorescent probes have been reported for imaging LAP in vivo. In this study, a novel probe (TMN-Leu) was developed by conjugating a near-infrared dicyanoisophorone derivative fluorophore with LAP activatable L-leucine amide moiety for the first time...
October 19, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29048696/the-direct-anterior-minimal-invasive-approach-in-total-hip-replacement-a-prospective-departmental-study-on-the-learning-curve
#10
Ole-Christian L Brun, Lukas Månsson, Lars Nordsletten
INTRODUCTION: Introduction of new surgical techniques is normal, but seldom monitored in real time. The purpose of this study was to monitor the learning curve when introducing a new surgical technique to a department. We did a prospective evaluation of the learning curve when introducing the minimally invasive direct anterior approach in total hip arthroplasty. We wish to investigate whether there is a learning curve for the direct anterior minimal invasive approach in total hip replacement and what are the early complications to this approach...
October 16, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29048660/canonical-and-non-canonical-wnt-signaling-in-cancer-stem-cells-and-their-niches-cellular-heterogeneity-omics-reprogramming-targeted-therapy-and-tumor-plasticity-review
#11
Masaru Katoh
Cancer stem cells (CSCs), which have the potential for self-renewal, differentiation and de-differentiation, undergo epigenetic, epithelial-mesenchymal, immunological and metabolic reprogramming to adapt to the tumor microenvironment and survive host defense or therapeutic insults. Intra-tumor heterogeneity and cancer-cell plasticity give rise to therapeutic resistance and recurrence through clonal replacement and reactivation of dormant CSCs, respectively. WNT signaling cascades cross-talk with the FGF, Notch, Hedgehog and TGFβ/BMP signaling cascades and regulate expression of functional CSC markers, such as CD44, CD133 (PROM1), EPCAM and LGR5 (GPR49)...
September 19, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29048488/clinical-and-molecular-features-of-mdr-livestock-associated-mrsa-st9-with-staphylococcal-cassette-chromosome-mecxii-in-humans
#12
Chih-Jung Chen, Tsai-Ling Yang Lauderdale, Chin-Te Lu, Yu-Yu Chuang, Chien-Chang Yang, Ting-Shu Wu, Chun-Yi Lee, Min-Chi Lu, Wen-Chien Ko, Yhu-Chering Huang
Objectives: Clonal complex (CC) 9 is a prevalent livestock-associated (LA) MRSA clone in Asia whose pathogenicity in humans remains unknown. Methods: In 2012, we identified a patient with CC9-MRSA infection linked to livestock. After screening 3328 clinical MRSA isolates from a national database, eight isolates (0.24%) collected between 1998 and 2012 were further confirmed to be of CC9. The detailed molecular features of the nine human CC9 strains and phylogenetic relatedness to animal CC9 strains were characterized with WGS...
October 18, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29046330/systematic-review-and-metaanalysis-comparing-the-bias-and-accuracy-of-the-modification-of-diet-in-renal-disease-and-chronic-kidney-disease-epidemiology-collaboration-equations-in-community-based-populations
#13
REVIEW
Emily C McFadden, Jennifer A Hirst, Jan Y Verbakel, Julie H McLellan J, F D Richard Hobbs, Richard J Stevens, Chris A O'Callaghan, Daniel S Lasserson
BACKGROUND: The majority of patients with chronic kidney disease are diagnosed and monitored in primary care. Glomerular filtration rate (GFR) is a key marker of renal function, but direct measurement is invasive; in routine practice, equations are used for estimated GFR (eGFR) from serum creatinine. We systematically assessed bias and accuracy of commonly used eGFR equations in populations relevant to primary care. CONTENT: MEDLINE, EMBASE, and the Cochrane Library were searched for studies comparing measured GFR (mGFR) with eGFR in adult populations comparable to primary care and reporting both the Modification of Diet in Renal Disease (MDRD) and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equations based on standardized creatinine measurements...
October 18, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/29045955/-comparison-between-continuous-noninvasive-hemoglobin-monitoring-and-venous-blood-hemoglobin-monitoring-in-children-with-kidney-disease
#14
X Y Liu, X Q Yang, H J Xiao, J Ding
OBJECTIVE: To assess the correlation and consistency between continuous noninvasive hemoglobin detection and venous blood hemoglobin detection in children with kidney disease, and try to analyze the affecting factors. Try to provide a reference for the monitoring of hemoglobin in children with kidney disease by continuous noninvasive hemoglobin detection technique. METHODS: Eighty-five inpatient children with kidney disease, 50 boys (58.8%) and 35 girls (41.2%), aged from 3 years old to 18 years old (9...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29044152/a-machine-learning-assisted-label-free-non-invasive-approach-for-somatic-reprogramming-in-induced-pluripotent-stem-cell-colony-formation-detection-and-prediction
#15
Ke Fan, Sheng Zhang, Ying Zhang, Jun Lu, Mike Holcombe, Xiao Zhang
During cellular reprogramming, the mesenchymal-to-epithelial transition is accompanied by changes in morphology, which occur prior to iPSC colony formation. The current approach for detecting morphological changes associated with reprogramming purely relies on human experiences, which involve intensive amounts of upfront training, human error with limited quality control and batch-to-batch variations. Here, we report a time-lapse-based bright-field imaging analysis system that allows us to implement a label-free, non-invasive approach to measure morphological dynamics...
October 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29044128/effects-of-vessel-traffic-and-underwater-noise-on-the-movement-behaviour-and-vocalisations-of-bottlenose-dolphins-in-an-urbanised-estuary
#16
Sarah A Marley, Chandra P Salgado Kent, Christine Erbe, Iain M Parnum
The potential disturbance of dolphins from tourism boats has been widely discussed in the literature, in terms of both physical vessel presence and associated underwater noise. However, less attention has been paid to the potential impact of non-tourism vessels, despite these being much more widespread and occurring in greater numbers throughout coastal dolphin habitats. The Indo-Pacific bottlenose dolphin (T. aduncus) community using the Fremantle Inner Harbour, Western Australia, is exposed to high levels of vessel traffic...
October 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29043601/pupillary-reflex-dilation-in-response-to-incremental-nociceptive-stimuli-in-patients-receiving-intravenous-ketamine
#17
Nada Sabourdin, Thomas Giral, Risa Wolk, Nicolas Louvet, Isabelle Constant
Pupillometry is a non-invasive monitoring technique, which allows dynamic pupillary diameter measurement by an infrared camera. Pupillary diameter increases in response to nociceptive stimuli. In patients anesthetized with propofol or volatile agents, the magnitude of this pupillary dilation is related to the intensity of the stimulus. Pupillary response to nociceptive stimuli has never been studied under ketamine anesthesia. Our objective was to describe pupillary reflex dilation after calibrated tetanic stimulations in patients receiving intravenous ketamine...
October 17, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29043074/recent-advances-in-eosinophilic-esophagitis
#18
REVIEW
Sandy Durrani, Marc Rothenberg
Eosinophilic esophagitis is a chronic, antigen-driven, eosinophil-predominant inflammatory disease of the esophagus and affects both children and adults. Cutting-edge technologies, such as genome-wide association studies, have advanced our understanding of the disease pathogenesis at a remarkable rate. Recent insights from genetic and mechanistic studies have concluded that a complex interplay between genetic and environmental risk factors, allergic sensitization, and esophageal-specific pathways leads to disease pathogenesis...
2017: F1000Research
https://www.readbyqxmd.com/read/29042141/involvement-of-bmi-1-gene-in-the-development-of-gastrointestinal-stromal-tumor-by-regulating-p16-ink4a-p14-arf-gene-expressions-an-in-vivo-and-in-vitro-study
#19
Jiang-Li Wang, Jiang-Hong Wu, Cai Hong, Ya-Nong Wang, Ye Zhou, Zi-Wen Long, Ying Zhou, Hai-Shu Qin
OBJECTIVE: This study was conducted in order to explore the role that Bmi-1 plays during the development of a gastrointestinal stromal tumor (GIST) by regulation of the p16(Ink4A) and p14(ARF) expressions. METHODS: Eighty-six patients diagnosed with GIST were selected to take part in this experiment. The Bmi-1 protein expressions in GIST and adjacent normal tissues were detected using immunohistochemistry and further analyzed by using photodensitometry. To monitor and track the progression of the GIST, a 3-year follow-up was conducted for all affected patients...
September 18, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29041920/intraoperative-continuous-cerebral-microcirculation-measurement-in-patients-with-aneurysmal-subarachnoid-hemorrhage-preliminary-data-on-the-early-administration-of-magnesium-sulfate
#20
Bjoern Sommer, Cornelia S Weidinger, Dennis Wolf, Michael Buchfelder, Hubert Schmitt
BACKGROUND: In patients with subarachnoid hemorrhage (SAH), vasospasm remains one of the major complications. The application of intravenous magnesium sulfate (MgSO4) has been under discussion to prevent cerebral ischemia. Our aim was to examine the impact of early MgSO4 administration on local cerebral microcirculation during microsurgical clipping of SAH-related aneurysms. METHODS: The non-invasive laser-Doppler spectrophotometry system "Oxygen-to-See (O2C)" was used in 14 consecutive patients (11 female, 3 male, median age 56...
October 17, 2017: BMC Anesthesiology
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