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https://www.readbyqxmd.com/read/28743115/cerebrospinal-fluid-levels-of-14-3-3-gamma-what-does-it-tell-us-about-sporadic-creutzfeldt-jakob-disease
#1
Christian Humpel, Thomas Benke
Clinical diagnosis of Creutzfeldt-Jakob disease (CJD) can be supported by the analysis of Tau and 14-3-3 in the cerebrospinal fluid (CSF). In this short report, we report about a retrospective analysis performed on 2,296 routinely collected CSF samples, and 44 samples with a ratio of phosphoTau181/Tau <0.075 were selected. Analysis was performed with a novel 14-3-3 gamma CircuLex Elisa. We show that control levels were around 6,000 AU/mL and samples from Alzheimer patients were not different from those collected from healthy controls...
July 26, 2017: Pharmacology
https://www.readbyqxmd.com/read/28743114/cervical-alpha-actinin-4-is-upregulated-in-women-with-threatened-preterm-labor-and-microbial-invasion-of-the-amniotic-cavity
#2
Teresa Cobo, Montse Palacio, Maribel Grande, Ana B Sánchez-García, Josep M Estanyol, Marta López, Jordi Bosch, Cristina Martí, Eduard Gratacós
OBJECTIVE: To characterize the proteome profile of women with threatened preterm labor (PTL) below 34;0 weeks with and without microbial invasion of the amniotic cavity (MIAC) using mass spectrometry in the amniotic fluid (AF) and Western blot analysis in the cervical mucus and the vaginal fluid. SUBJECTS AND METHODS: In the discovery phase, a case-control study including 8 women with MIAC and 7 without matched for gestational age at sampling was performed. Proteomic profile characterization was done using the LTQ VELOS Orbitrap mass spectrometer in the AF...
July 26, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28743094/a-personalized-medicine-approach-to-the-design-of-dry-powder-inhalers-selecting-the-optimal-amount-of-bypass
#3
Thomas Kopsch, Darragh Murnane, Digby Symons
In dry powder inhalers (DPIs) the patient's inhalation manoeuvre strongly influences the release of drug. Drug release from a DPI may also be influenced by the size of any air bypass incorporated in the device. If the amount of bypass is high less air flows through the entrainment geometry and the release rate is lower. In this study we propose to reduce the intra- and inter-patient variations of drug release by controlling the amount of air bypass in a DPI. A fast computational method is proposed that can predict how much bypass is needed for a specified drug delivery rate for a particular patient...
July 22, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28742959/long-range-corrections-for-inhomogeneous-simulations-of-mie-n-m-potential
#4
Jiri Janecek, Olivier Said-Aizpuru, Patrice Paricaud
The long range correction scheme for dispersion interactions in inhomogeneous simulations is generalized to Mie n - m potential. The influence of the cut-off distance and lateral dimensions of the simulation box are studied for 8 - 6 , 12 - 6 and 20 - 6 Mie fluids at two different temperatures (close and far from the critical point). For sufficiently large systems (2400 particles, Rc = 3.5σ) equilibrium properties are simulated over the whole vapour - liquid coexistence using the inhomogeneous Monte Carlo simulations and the results are compared with the Gibbs Ensemble technique and with the square gradient theory combined with the SAFT Mie equation of state...
July 25, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28742827/the-relationship-between-coronary-artery-distensibility-and-fractional-flow-reserve
#5
Andy S C Yong, Ashkan Javadzadegan, William F Fearon, Abouzar Moshfegh, Jerrett K Lau, Stephen Nicholls, Martin K C Ng, Leonard Kritharides
Discordance between angiography-based anatomical assessment of coronary stenosis severity and fractional flow reserve (FFR) has been attributed to several factors including lesion length and irregularity, and the myocardial territory supplied by the target vessel. We sought to examine if coronary arterial distensibility is an independent contributor to this discordance. There were two parts to this study. The first consisted of "in silico" models of 26 human coronary arteries. Computational fluid dynamics-derived FFR was calculated for fully rigid, partially distensible and fully distensible models of the 26 arteries...
2017: PloS One
https://www.readbyqxmd.com/read/28742797/a-comparison-of-selective-aortic-arch-perfusion-and-resuscitative-endovascular-balloon-occlusion-of-the-aorta-for-the-management-of-hemorrhage-induced-traumatic-cardiac-arrest-a-translational-model-in-large-swine
#6
Ed B G Barnard, James E Manning, Jason E Smith, Jason M Rall, Jennifer M Cox, James D Ross
BACKGROUND: Survival rates remain low after hemorrhage-induced traumatic cardiac arrest (TCA). Noncompressible torso hemorrhage (NCTH) is a major cause of potentially survivable trauma death. Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) at the thoracic aorta (Zone 1) can limit subdiaphragmatic blood loss and allow for IV fluid resuscitation when intrinsic cardiac activity is still present. Selective Aortic Arch Perfusion (SAAP) combines thoracic aortic balloon hemorrhage control with intra-aortic oxygenated perfusion to achieve return of spontaneous circulation (ROSC) when cardiac arrest has occurred...
July 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28742783/end-expiratory-occlusion-test-predicts-fluid-responsiveness-in-patients-with-protective-ventilation-in-the-operating-room
#7
Matthieu Biais, Mathilde Larghi, Jeremy Henriot, Hugues de Courson, Musa Sesay, Karine Nouette-Gaulain
BACKGROUND: End-expiratory occlusion test (EEOT) has been proposed to predict fluid responsiveness in mechanically ventilated intensive care unit patients. The utility of this test during low-tidal-volume ventilation remains uncertain. This study aimed to determine whether hemodynamic variations induced by EEOT could predict the effect of volume expansion in patients with protective ventilation in the operating room. METHODS: Forty-one patients undergoing neurosurgery were included...
July 21, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28742775/estimation-of-stroke-volume-and-stroke-volume-changes-by-electrical-impedance-tomography
#8
Fernando José da Silva Ramos, André Hovnanian, Rogério Souza, Luciano C P Azevedo, Marcelo B P Amato, Eduardo L V Costa
BACKGROUND: Electrical impedance tomography (EIT) is a noninvasive imaging method that identifies changes in air and blood volume based on thoracic impedance changes. Recently, there has been growing interest in EIT to measure stroke volume (SV). The objectives of this study are as follows: (1) to evaluate the ability of systolic impedance variations (ΔZsys) to track changes in SV in relation to a baseline condition; (2) to assess the relationship of ΔZsys and SV in experimental subjects; and (3) to identify the influence of body dimensions on the relationship between ΔZsys and SV...
July 24, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28742677/committee-opinion-no-712-intrapartum-management-of-intraamniotic-infection
#9
(no author information available yet)
Intraamniotic infection, also known as chorioamnionitis, is an infection with resultant inflammation of any combination of the amniotic fluid, placenta, fetus, fetal membranes, or decidua. Intraamniotic infection is a common condition noted among preterm and term parturients. However, most cases of intraamniotic infection detected and managed by obstetrician-gynecologists or other obstetric care providers will be noted among term patients in labor. Intraamniotic infection can be associated with acute neonatal morbidity, including neonatal pneumonia, meningitis, sepsis, and death...
August 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28742671/committee-opinion-no-712-summary-intrapartum-management-of-intraamniotic-infection
#10
(no author information available yet)
Intraamniotic infection, also known as chorioamnionitis, is an infection with resultant inflammation of any combination of the amniotic fluid, placenta, fetus, fetal membranes, or decidua. Intraamniotic infection is a common condition noted among preterm and term parturients. However, most cases of intraamniotic infection detected and managed by obstetrician-gynecologists or other obstetric care providers will be noted among term patients in labor. Intraamniotic infection can be associated with acute neonatal morbidity, including neonatal pneumonia, meningitis, sepsis, and death...
August 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28742639/idiopathic-intracranial-hypertension-progressing-to-venous-sinus-thrombosis-subarachnoid-hemorrhage-and-stroke
#11
Joshua S Hardin, Raghu H Ramakrishnaiah, John D Pemberton, Paul H Phillips, Joseph G Chacko
Idiopathic intracranial hypertension (IIH) is a syndrome characterized by increased intracranial pressure (ICP), the absence of structural lesions on neuroimaging, and normal cerebrospinal fluid composition. Cerebral venous sinus thrombosis (CVST) is a common cause of increased ICP and can be differentiated from IIH with magnetic resonance venography. We describe a young woman with typical IIH who underwent lumbar puncture and was treated with a short course of high-dose corticosteroids followed by acetazolamide...
July 24, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28742514/the-importance-of-biochemical-and-genetic-findings-in-the-diagnosis-of-atypical-norrie-disease
#12
Ana Rodríguez-Muñoz, Gema García-García, Francisco Menor, José M Millán, Miguel Tomás-Vila, Teresa Jaijo
BACKGROUND: Norrie disease (ND) is a rare X-linked disorder characterized by bilateral congenital blindness. ND is caused by a mutation in the Norrie disease pseudoglioma (NDP) gene, which encodes a 133-amino acid protein called norrin. Intragenic deletions including NDP and adjacent genes have been identified in ND patients with a more severe neurologic phenotype. We report the biochemical, molecular, clinical and radiological features of two unrelated affected males with a deletion including NDP and MAO genes...
July 25, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28742442/analysis-of-variability-in-intraoperative-fluid-administration-for-colorectal-surgery-an-argument-for-goal-directed-fluid-therapy
#13
Timothy D Quinn, Ethan Y Brovman, Richard D Urman
BACKGROUND: Fluid therapy in the perioperative period varies greatly between anesthesia providers and may have a negative impact on surgical outcomes. METHODS: We conducted a retrospective analysis of 705 elective colorectal cases consisting of colectomies, ileocolic resections, and low anterior resections at an academic institution from January 1, 2010 to May 29, 2015, collected by our electronic medical record before implementation of Enhanced Recovery After Surgery (ERAS(®)) pathways...
July 25, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28742362/convective-self-sustained-motion-in-mixtures-of-chemically-active-and-passive-particles
#14
Oleg Shklyaev, Henry Shum, Victor V Yashin, Anna C Balazs
We develop a model to describe the behavior of a system of active and passive particles in solution that can undergo spontaneous self-organization and self-sustained motion. The active particles are uniformly coated with a catalyst that decomposes the reagent in the surrounding fluid. The resulting variations in the fluid density give rise to a convective flow around the active particles. The generated fluid flow, in turn, drives the self-organization of both the active and passive particles into clusters that undergo self-sustained propulsion along the bottom wall of a microchamber...
July 25, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28742249/transient-electroosmosis-of-a-maxwell-fluid-in-a-rotating-microchannel
#15
P Kaushik, Shubhadeep Mandal, Suman Chakraborty
The transient electroosmotic flow of Maxwell fluid in a rotating microchannel is investigated both analytically and numerically. We bring out the complex dynamics of the flow during the transience due to the combination of rotation and rheological effects. We show the regimes of operation under which our analysis holds the most significance. We also shed some light on the volumetric flow rate characteristics as dictated by the underlying flow physics. Mainly we show and analyze the various regimes of operation under which viscoelastic effects actuated by electroosmotic forcing dominate over Coriolis forces and vice versa, which has not been studied before...
July 25, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28742231/different-resuscitation-strategies-and-novel-pharmacologic-treatment-with-valproic-acid-in-traumatic-brain-injury
#16
REVIEW
Simone E Dekker, Vahagn C Nikolian, Martin Sillesen, Ted Bambakidis, Patrick Schober, Hasan B Alam
Traumatic brain injury (TBI) is a leading cause of death in young adults, and effective treatment strategies have the potential to save many lives. TBI results in coagulopathy, endothelial dysfunction, inflammation, cell death, and impaired epigenetic homeostasis, ultimately leading to morbidity and/or mortality. Commonly used resuscitation fluids such as crystalloids or colloids have several disadvantages and might even be harmful when administered in large quantities. There is a need for next-generation treatment strategies (especially in the prehospital setting) that minimize cellular damage, improve survival, and enhance neurological recovery...
July 25, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28742222/disruption-of-the-atp-adenosine-balance-in-cd39-mice-is-associated-with-handling-induced-seizures
#17
Amanda J Lanser, Rafael M Rezende, Stephen Rubino, Paul J Lorello, Dustin J Donnelly, Huixin Xu, Lauren A Lau, Chris G Dulla, Barbara J Caldarone, Simon C Robson, Howard L Weiner
Seizures are due to excessive, synchronous neuronal firing in the brain and are characteristic of epilepsy, the fourth most prevalent neurologic disease. Herein, we report handling-induced and spontaneous seizures in mice deficient of CD39, a cell-surface ATPase highly expressed on microglial cells. CD39(-/-) mice with handling-induced seizures had normal input-output curves and paired-pulse ratio measured from hippocampal slices and lacked microgliosis, astrogliosis or overt cell loss in the hippocampus and cortex...
July 25, 2017: Immunology
https://www.readbyqxmd.com/read/28742210/clinical-research-on-correction-of-ankle-arthritis-related-factor-levels-via-urea
#18
C Sun, S Zhang, L Wei, J-Z Zhang
OBJECTIVE: To investigate the reliability of urea as the internal reference of ankle irrigating fluid in correction of synovial fluid and related factor concentration dilution times, and to further determine the factor expression level in synovial fluid. PATIENTS AND METHODS: A total of 91 patients, including 20 cases of non-posterior median foot lesions and 71 cases of unilateral ankle osteoarthritis, were enrolled in this study. AOFAS score, Takakura staging and visual analogue pain scale were given; the venous blood was collected and the ankle fluid and irrigating fluid were obtained from the affected side via puncture...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28742186/l%C3%A3-sa-cystor-i-lilla-b%C3%A3-ckenet-%C3%A2-ov%C3%A3-ntat-operationsfynd-vid-buksm%C3%A3-rta
#19
Lovisa Brehmer, Maria Krång Lundekvam, Emelie Sternö, Anna-Maria Iglesias
Loose peritoneal cysts - unexpected finding at laparoscopic surgery for suspected extrauterine pregnancy, a case report A 29 year old woman was admitted to inpatient care in the 7th week of pregnancy due to three previous episodes of abdominal pain. At admission a suspected pseudogestational sac and 2 × 3 centimetres of fluid in the cul-de-sac was noted at vaginal ultrasound examination. After two days she again developed pain and a laparoscopy was performed due to suspected extrauterine pregnancy. Instead, three clusters of thin-walled, clear cysts was found lying loose in the cul-de-sac...
July 19, 2017: Läkartidningen
https://www.readbyqxmd.com/read/28742138/long-term-prognostic-factors-of-chronic-central-serous-chorioretinopathy-after-half-dose-photodynamic-therapy-a-3-year-follow-up-study
#20
Fuminori Haga, Ruka Maruko, Chiaki Sato, Keiko Kataoka, Yasuki Ito, Hiroko Terasaki
PURPOSE: To evaluate the long-term efficacy and factors involved in the recurrence and persistence of subretinal fluid (SRF) after half-dose photodynamic therapy (PDT) for chronic central serous chorioretinopathy (CSC). METHODS: In this retrospective observational case series, 79 eyes (73 patients) with chronic CSC were treated with half-dose PDT and followed up for at least 3 years. They were divided into successful (64 eyes) and unsuccessful (15 eyes) groups based on SRF absorption and disease recurrence after one PDT session...
2017: PloS One
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