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https://www.readbyqxmd.com/read/27923090/association-between-end-of-rotation-resident-transition-in-care-and-mortality-among-hospitalized-patients
#1
Joshua L Denson, Ashley Jensen, Harry S Saag, Binhuan Wang, Yixin Fang, Leora I Horwitz, Laura Evans, Scott E Sherman
Importance: Shift-to-shift transitions in care among house staff are associated with adverse events. However, the association between end-of-rotation transition (in which care of the patient is transferred) and adverse events is uncertain. Objective: To examine the association of end-of-rotation house staff transitions with mortality among hospitalized patients. Design, Setting, and Participants: Retrospective multicenter cohort study of patients admitted to internal medicine services (N = 230 701) at 10 university-affiliated US Veterans Health Administration hospitals (2008-2014)...
December 6, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27923083/resident-shift-handoff-strategies-in-us-internal-medicine-residency-programs
#2
LETTER
Charlie M Wray, Saima Chaudhry, Amber Pincavage, Rachel Miller, Linda DeCherrie, Karin Ouchida, Vineet M Arora
No abstract text is available yet for this article.
December 6, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27923078/shifting-approaches-for-evaluation-of-resident-performance-from-competencies-to-milestones
#3
EDITORIAL
Lia S Logio
No abstract text is available yet for this article.
December 6, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27923052/filariae-retrovirus-co-infection-in-mice-is-associated-with-suppressed-virus-specific-igg-immune-response-and-higher-viral-loads
#4
Kirsten Katrin Dietze, Ulf Dittmer, Daniel Karim Koudaimi, Simone Schimmer, Martina Reitz, Minka Breloer, Wiebke Hartmann
Worldwide more than 2 billion people are infected with helminths, predominantly in developing countries. Co-infections with viruses such as human immunodeficiency virus (HIV) are common due to the geographical overlap of these pathogens. Helminth and viral infections induce antagonistic cytokine responses in their hosts. Helminths shift the immune system to a type 2-dominated immune response, while viral infections skew the cytokine response towards a type 1 immune response. Moreover, chronic helminth infections are often associated with a generalized suppression of the immune system leading to prolonged parasite survival, and also to a reduced defence against unrelated pathogens...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27922962/retention-and-mechanical-behavior-of-attachment-systems-for-implant-retained-auricular-prostheses
#5
Eder Alberto Sigua-Rodriguez, Douglas Rangel Goulart, Zarina Tatia Santos, Natalia Alvarez-Pinzon, Sergio Olate, José Ricardo de Albergaria-Barbosa
OBJECTIVE: Auricular prostheses are artificial substitutes for facial defects. The retention of these has often been a problem. This study aimed to evaluate the mechanical behavior of 3 retained auricular prosthetic connections when submitted to a mechanical cycling test. MATERIALS AND METHODS: Twelve samples with installed implants were obtained and divided into 3 groups according to their retention system with 4 samples in each group. I: bar-clip system; II: magnet system; and III: ball/o-ring system...
December 5, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27922833/x-ray-photoelectron-spectroscopy-and-transmission-electron-microscopy-analysis-of-silver-coated-gold-nanorods-designed-for-bionanotechnology-applications
#6
Fumiya Watanabe, Zeid A Nima, Takumi Honda, Masatoshi Mitsuhara, Minoru Nishida, Alexandru S Biris
Multicomponent nano-agents were designed and built via a core-shell approach to enhance their surface enhanced Raman scattering (SERS) signals. These nano-agents had 36 nm × 12 nm gold nanorod cores coated by 4 nm thick silver shell films and a subsequent thin bifunctional thiolated polyethylene glycol (HS-PEG-COOH) layer. Ambient time-lapsed SERS signal measurements of these functionalized nanorods taken over a two-week period indicated no signal degradation, suggesting that large portions of the silver shells remained in pure metallic form...
December 6, 2016: Nanotechnology
https://www.readbyqxmd.com/read/27922824/impaired-energy-metabolism-of-senescent-muscle-satellite-cells-is-associated-with-oxidative-modifications-of-glycolytic-enzymes
#7
Martín A Baraibar, Janek Hyzewicz, Adelina Rogowska-Wrzesinska, Anne-Laure Bulteau, Carina Prip-Buus, Gillian Butler-Browne, Bertrand Friguet
Accumulation of oxidized proteins is a hallmark of cellular and organismal aging. Adult muscle stem cell (or satellite cell) replication and differentiation is compromised with age contributing to sarcopenia. However, the molecular events related to satellite cell dysfunction during aging are not completely understood. In the present study we have addressed the potential impact of oxidatively modified proteins on the altered metabolism of senescent human satellite cells. By using a modified proteomics analysis we have found that proteins involved in protein quality control and glycolytic enzymes are the main targets of oxidation (carbonylation) and modification with advanced glycation/lipid peroxidation end products during the replicative senescence of satellite cells...
December 4, 2016: Aging
https://www.readbyqxmd.com/read/27922715/refugee-care-left-behind
#8
Amy Sorrel
Until recently, Texas participated in the federally funded refugee resettlement program, which helps refugees relocate to the United States with services to help them find jobs, learn English, and get basic health and social services. Since Texas withdrew from the federal resettlement program in September, some physicians and resettlement organizations worry those services could be disrupted; others say the shift, while not ideal, could present opportunities to improve refugee care.
December 1, 2016: Texas Medicine
https://www.readbyqxmd.com/read/27922665/translocation-of-bbap-from-the-cytoplasm-to-the-nucleus-reduces-the-metastatic-ability-of-vemurafenib-resistant-skmel28-cells
#9
Nguyen Dinh Thang, Nguyen Van Minh, Pham Thu Huong
To the best of our knowledge, the present study is the first to demonstrate that treatment of vemurafenib-resistant SKMEL28 (SKMEL28-R) cells with paclitaxel leads to a shift in localization of the E3-ligase BBAP from the cytoplasm to the nucleus, consequently decreasing the metastatic ability of this cell line. The present study revealed that the movement of BBAP from the cytoplasm to nucleus initiated a change in cell morphology. In addition, the translocation of BBAP led to a decrease of metastatic characteristics in SKMEL28‑R cells, including migration and invasion via downregulation of the phosphorylated form of focal adhesion kinase and N‑cadherin, as well as an upregulation of p21 and E-cadherin...
December 2, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27922542/generalization-of-serotonin-and-dopamine-ligands-to-the-discriminative-stimulus-effects-of-different-doses-of-%C3%A2-3-4-methylenedioxymethamphetamine
#10
Jeremy I Webster, David N Harper, Susan Schenk
Studies that have attributed the discriminative stimulus effects of ±3,4-methylenedioxymethamphetamine (MDMA) to serotonergic mechanisms typically use a relatively low training dose of 1.5 mg/kg. The role of serotonin in the discriminative stimulus effects of higher doses of MDMA is, however, unknown. Separate groups of rats were trained to discriminate MDMA (1.5 or 3.0 mg/kg) from saline using a two-lever, food-reinforced drug-discrimination procedure. Generalization tests were carried out with a range of serotonin and dopamine ligands...
December 2, 2016: Behavioural Pharmacology
https://www.readbyqxmd.com/read/27922500/facioscapulohumeral-muscular-dystrophy
#11
Jeffrey M Statland, Rabi Tawil
PURPOSE OF REVIEW: This article describes the clinical characteristics, diagnosis, molecular pathogenesis, and treatment of facioscapulohumeral muscular dystrophy (FSHD). RECENT FINDINGS: FSHD comprises two genetically distinct types that converge on a common downstream pathway of the expression of the toxic protein DUX4. Approximately 95% of patients have FSHD type 1 (FSHD1), in which loss of DNA repetitive elements (D4Z4 repeats) in the subtelomeric region of chromosome 4q causes decreased methylation and epigenetic derepression of DUX4, a gene contained within each D4Z4 repeat...
December 2016: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/27922466/smartphone-based-electrocardiographic-and-cardiac-implantable-electronic-device-monitoring
#12
Suneet Mittal
The field of arrhythmia monitoring is changing rapidly. The rapid advent of technology in combination with marked improvements in cellular communication and an increased desire by patients to be actively engaged in their care has ushered in a new era of clinical care. Today, physicians need to think about their patients outside the traditional in-office setting. Two technologies that embody this changing landscape are smartphone-based electrocardiographic (ECG) monitors and remote monitoring of cardiac implantable electronic devices (CIEDs)...
January 2017: Cardiology in Review
https://www.readbyqxmd.com/read/27922340/ratio-of-means-vs-difference-of-means-as-measures-of-superiority-non-inferiority-and-average-bioequivalence
#13
Wanjie Sun, Stella Grosser, Yi Tsong
Ratio of means (ROM) and difference of means (DOM) are often used in a superiority, non-inferiority (NI), or average bioequivalence (ABE) test to evaluate whether the test mean is superior, NI, or equivalent to the reference (placebo or active control) mean. Literature provided recommendations regarding how to choose between ROM and DOM, mainly for superiority testing. In this paper, we evaluated these two measures from other perspectives and cautioned the potential impact of different scoring systems/transformation for the same outcome (which is not rarely seen in practice) on power of a ROM or DOM test for superiority, NI or ABE: 1) For superiority, with the same margin, power remains the same for a location, scale, or combined shift (no other transformations) to scoring systems for both measures; however, for NI and ABE, different shifts can change the power of the test significantly; 2) Direction of scores (larger or smaller value indicating desirable effects) does not change power for a DOM superiority, NI, or ABE test, but it does change power tremendously for a ROM NI or ABE test...
December 6, 2016: Journal of Biopharmaceutical Statistics
https://www.readbyqxmd.com/read/27922251/endovascular-prevention-and-treatment-of-stroke-related-to-extracranial-carotid-artery-disease
#14
Leonardo Rangel-Castilla, Gary B Rajah, Hakeem J Shakir, Jason M Davies, Kenneth V Snyder, Adnan H Siddiqui, Elad I Levy, L N Hopkins
Acute ischemic stroke (AIS) is the leading cause of premature mortality and morbidity worldwide for both men and women. Extracranial carotid artery stenosis/occlusion is responsible for approximately 11.5%% of ischemic strokes, whereas extracranial large vessel disease comprises roughly 16.6% of ischemic strokes. Carotid artery disease has been the source of significant debate among neurovascular and cardiovascular specialists, as well as vascular surgeons, as to the best method of revascularization, surgical reconstruction versus endovascular recanalization...
December 6, 2016: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/27922186/characterization-of-the-pro-inflammatory-cytokine-il-1%C3%AE-on-butyrate-oxidation-in-colorectal-cancer-cells
#15
Megan Johnstone, Natalie Bennett, Cynthia Standifer, Alexis Smith, Anna Han, Ahmed Bettaieb, Jay Whelan, Dallas R Donohoe
Cancer, in part, is driven, by alterations in cellular metabolism that promote cell survival and cell proliferation. Identifying factors that influence this shift in cellular metabolism in cancer cells is important. Interleukin-1β (IL-1β) is a pro-inflammatory cytokine that has been reported to be elevated in colorectal cancer patients. While much is known towards the effect of dietary nutrients on regulating inflammation and the inflammatory response, which includes cytokines such as IL-1β, far less is understood how cytokines impact nutrient fate to alter cancer cell metabolism...
December 6, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27922177/before-attachment-theory-separation-research-at-the-tavistock-clinic-1948-1956
#16
Bican Polat
This article traces the formation of attachment theory to the pioneering research program of Bowlby and his colleagues at the Tavistock Clinic between 1948 and 1956. Through a discussion of the concepts and practices that informed Bowlby's program, I examine the efforts of his team to reconstruct psychoanalytic objects according to preventive objectives and operational criteria. I discuss how the exploratory techniques that Bowlby and his colleagues were developing during these years ultimately led to the establishment of a hybrid investigative framework, in which the prophylactic requirements of mental hygiene, the psychometric model of personality disturbances, the psychoanalytic theory of object relations, and a direct-observational methodology were brought to bear on the problem of the psychological consequences of early separation experiences...
December 6, 2016: Journal of the History of the Behavioral Sciences
https://www.readbyqxmd.com/read/27922133/photoluminescence-changes-of-c70-nano-submicro-crystals-induced-by-high-pressure-and-high-temperature
#17
Dedi Liu, Bingbing Liu, Bertil Sundqvist, Dapeng Dong, Zhenghua Li, Dongping Liu
Hollow C70 nano/submicro-crystals with a fcc lattice structure were treated under various high pressure and high temperature conditions. The energy band structure was visibly changed by the high pressure and high temperature treatment, and the luminescence of the treated C70 nano/submicro-crystals were tuned from the visible to the near infrared range. In-situ high pressure experiments at room temperature indicate that pressure plays a key role in the tuning of the band gap and PL properties in C70 nanocrystals, and temperature plays an important role in the formation of stable intermolecular bonds and thus to define the final red-shift of the PL peaks...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922131/different-responses-of-alpine-plants-to-nitrogen-addition-effects-on-plant-plant-interactions
#18
Jun Wang, Peng Luo, Hao Yang, Chengxiang Mou, Li Mo
The different responses of plant species to resource stress are keys to understand the dynamics of plant community in a changing environment. To test the hypothesis that nitrogen (N) increase would benefit N competitive species, rather than N stress-tolerant species, to compete with neighbours, we conducted an experiment with neighbour removal, N addition and soil moisture as treatments in an alpine grassland on the southeastern Tibetan Plateau. Both growths and competitive-response abilities (CRA, the ability to tolerate the inhibitory effects of neighbors) of Kobresia macrantha, Polygonum viviparum and Potentilla anserine in wet site were facilitated by N addition, conversely, both growths and CRA of Taraxacum mongolicum and Ligularia virgaurea were suppressed by N addition, indicating that the responses of CRA of target species under N addition were consistent with the N utilization strategies of them...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922130/the-nmda-receptor-glun2c-subunit-controls-cortical-excitatory-inhibitory-balance-neuronal-oscillations-and-cognitive-function
#19
Subhash C Gupta, Aparna Ravikrishnan, Jinxu Liu, Zhihao Mao, Ratnamala Pavuluri, Brandon G Hillman, Pauravi J Gandhi, Dustin J Stairs, Ming Li, Rajesh R Ugale, Daniel T Monaghan, Shashank M Dravid
Despite strong evidence for NMDA receptor (NMDAR) hypofunction as an underlying factor for cognitive disorders, the precise roles of various NMDAR subtypes remains unknown. The GluN2C-containing NMDARs exhibit unique biophysical properties and expression pattern, and lower expression of GluN2C subunit has been reported in postmortem brains from schizophrenia patients. We found that loss of GluN2C subunit leads to a shift in cortical excitatory-inhibitory balance towards greater inhibition. Specifically, pyramidal neurons in the medial prefrontal cortex (mPFC) of GluN2C knockout mice have reduced mEPSC frequency and dendritic spine density and a contrasting higher frequency of mIPSCs...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922087/quantum-state-transmission-in-a-superconducting-charge-qubit-atom-hybrid
#20
Deshui Yu, María Martínez Valado, Christoph Hufnagel, Leong Chuan Kwek, Luigi Amico, Rainer Dumke
Hybrids consisting of macroscopic superconducting circuits and microscopic components, such as atoms and spins, have the potential of transmitting an arbitrary state between different quantum species, leading to the prospective of high-speed operation and long-time storage of quantum information. Here we propose a novel hybrid structure, where a neutral-atom qubit directly interfaces with a superconducting charge qubit, to implement the qubit-state transmission. The highly-excited Rydberg atom located inside the gate capacitor strongly affects the behavior of Cooper pairs in the box while the atom in the ground state hardly interferes with the superconducting device...
December 6, 2016: Scientific Reports
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