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https://www.readbyqxmd.com/read/28107333/u-s-pharmacopeial-chapter-800-be-ready-to-comply-by-july-2018-%C3%A2
#1
Martha Polovich
The U.S. Pharmacopeial Convention's "Chapter <800> Hazardous Drugs-Handling in Healthcare Settings" is a new part of the National Formulary that describes standards-expectations for practice-for all aspects of handling and administering hazardous drugs (HDs). Some of the standards will require changes in policies, procedures, and practices for nurses. This article provides an overview of the new standards and the impact they will have on nurses who prepare and administer chemotherapy and other HDs.
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February 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28104459/validation-of-the-intervertebral-disc-histological-degeneration-score-in-cervical-intervertebral-discs-and-their-endplates
#2
Krzysztof A Tomaszewski, Brandon Michael Henry, Tomasz Gładysz, Roman Głowacki, Jerzy A Walocha, Romana Tomaszewska
BACKGROUND CONTEXT: Vertebral joints consist of intervertebral discs (IVDs) and cartilaginous endplates (EP) that lie superiorly and inferiorly to the IVDs and separate them from the adjacent vertebral bodies. With ageing, both IVDs and EPs undergo degeneration. The Histologic Degeneration Score (HDS) is a grading system which microscopically evaluates the degree of degeneration in lumbar discs and predicts it with high accuracy basing on several histological markers of IVD and EP. There is currently a lack of validated histologic grading schemes for cervical spine degeneration...
January 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28094776/new-insights-into-cooperative-binding-of-homeodomain-transcription-factors-prep1-and-pbx1-to-dna
#3
Chiara Zucchelli, Elena Ferrari, Francesco Blasi, Giovanna Musco, Chiara Bruckmann
PREP1 and PBX1 are homeodomain (HD) transcription factors that play crucial roles in embryonic development. Here, we present the first biophysical characterization of a PREP1 HD, and the NMR spectroscopic study of its DNA binding pocket. The data show that residues flanking the HD participate in DNA binding. The kinetic parameters for DNA binding of individual PREP1 and PBX1 HDs, and of their combination, show that isolated PREP1 and PBX1 HDs bind to DNA in a cooperative manner. A novel PREP1 motif, flanking the HD at the C-terminus, is required for cooperativity...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28072800/modified-percutaneous-lumbar-foraminoplasty-and-percutaneous-endoscopic-lumbar-discectomy-instrument-design-technique-notes-and-5-years-follow-up
#4
Zhen-Zhou Li, Shu-Xun Hou, Wei-Lin Shang, Ke-Ran Song, Hong-Liang Zhao
BACKGROUND: Conventional percutaneous endoscopic lumbar discectomy (PELD) with an "inside-outside" technique has 4.3% - 10.3% surgical failure rate, especially in central herniated discs (HDs), migrated HDs, and axillary type HDs. PELD with foraminoplasty has been used for complex HDs. Percutaneous lumbar foraminoplasty (PLF), which is performed with a trephine or bone reamer introduced over a guidewire without a protective working cannula in the original Tessys technique, can quickly cut the hypertrophied bony structure under fluoroscopic guidance, and risk injury to the exiting and traversing nerve roots...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28047917/tu-h-campus-jep2-01-inter-observer-delineation-comparison-of-visible-glandular-breast-tissue-on-magnetic-resonance-imaging-and-computed-tomography-prone-and-supine
#5
E M Pogson, G Delaney, V Ahern, M Boxer, S David, M Dimigen, J Harvey, E Koh, K Lim, G Papadatos, M Yap, V Batumalai, P Metcalfe, L Holloway
PURPOSE: Breast cancers predominantly arise from Glandular Breast Tissue (GBT). If the GBT can be treated effectively post-operatively utilising radiotherapy this may be adequate volumetric coverage for adjuvant breast radiotherapy. Adequate imaging of the GBT is necessary and will be assessed between MRI and CT modalities. GBT visualisation is acknowledged to be qualitatively superior on Magnetic Resonance Image (MRI) compared to Computed Tomography (CT), the current radiotherapy imaging standard, however this has not been quantitatively assessed...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28017752/a-strategy-of-percutaneous-endoscopic-lumbar-discectomy-for-migrated-disc-herniation
#6
Kyung-Chul Choi, Dong Chan Lee, Hyeong-Ki Shim, Seung-Ho Shin, Choon-Keun Park
OBJECTIVE: Percutaneous endoscopic lumbar discectomy (PELD) with remarkable advancements has led to successful results comparable to open discectomy. However, its application in herniated disc (HD) with migration is still challenging and technically demanding. The purpose of this study is to propose various strategies for PELD according to HD with migration. METHODS: A retrospective review was performed on 434 consecutive patients who had undergone PELD. HD with migration was classified into four zones: low-grade up/down and high-grade up/down based on the extent and direction of migration...
December 22, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/28008330/increased-levels-of-circulating-and-tumor-infiltrating-granulocytic-myeloid-cells-in-colorectal-cancer-patients
#7
Salman M Toor, Azharuddin Sajid Syed Khaja, Haytham El Salhat, Omar Bekdache, Jihad Kanbar, Mohammed Jaloudi, Eyad Elkord
Increased levels of myeloid cells, especially myeloid-derived suppressor cells (MDSCs), have been reported to correlate with bad prognosis and reduced survival in cancer patients. However, limited data are available on their conclusive phenotypes and their correlation with clinical settings. The aim of this study was to investigate levels and phenotype of myeloid cells in peripheral blood and tumor microenvironment (TME) of colorectal cancer (CRC) patients, compared to blood from healthy donors (HDs) and paired, adjacent non-tumor colon tissue...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27997399/structural-improvements-on-hydrodynamic-separators-a-computational-fluid-dynamics-approach
#8
Joseph Albert Mendoza, Dong Hoon Lee, Sang-Il Lee, Joo-Hyon Kang
Hydrodynamic separators (HDSs) have been used extensively to reduce stormwater pollutants from urbanized areas before entering the receiving water bodies. They primarily remove particulates and associated pollutants using gravity settling. Two types of HDSs with different structural configurations of the inner vortex-inducing components were presented in this study. One configuration consisted of a dip cylindrical plate with a center shaft while the other one has a hollow screen inside. With the help of computational fluid dynamics, the performance of these different types of HDSs have been evaluated and comparatively analyzed...
December 2016: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/27987577/coexistence-of-p16-cdkn2a-homozygous-deletions-and-activating-egfr-mutations-in-lung-adenocarcinoma-patients-signifies-a-poor-response-to-egfr-tkis
#9
Juhong Jiang, Yingying Gu, Jing Liu, Ruibin Wu, Lin Fu, Jin Zhao, Yubao Guan
OBJECTIVES: Activating mutations in the epidermal growth factor receptor (EGFR) are strongly predictive of EGFR-tyrosine kinase inhibitor (TKI) activity in non-small cell lung cancer (NSCLC). However, primary resistance to EGFR-TKIs occurs in approximately 20-30% of NSCLC patients with EGFR mutations. The goal of this study was to determine whether p16/CDKN2A homozygous deletion (HD) is associated with primary resistance to EGFR-TKIs in lung adenocarcinoma patients with EGFR activating mutations...
December 2016: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/27969574/disparities-in-hemodynamic-resuscitation-of-the-obese-critically-ill-septic-shock-patient
#10
Chere Adams, Calvin Tucker, Bryan Allen, Andrew McRae, Julia Balazh, Spencer Horst, Donald Johnson, Jason Ferreira
BACKGROUND: With a growing obesity epidemic, the approach to care of this patient remains controversial and in many circumstances different than the general population. Appropriate hemodynamic support, although still controversial, remains a cornerstone of septic shock therapy. Catecholamines are currently recommended by guidelines without a preferred dosing strategy. However, the use of weight-based (μg kg(-1) min(-1)) or nonweight-based (μg/min) vasopressor drip rates may impact patient care in these populations...
February 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/27967078/universality-and-dependence-on-initial-conditions-in-the-class-of-the-nonlinear-molecular-beam-epitaxy-equation
#11
I S S Carrasco, T J Oliveira
We report extensive numerical simulations of growth models belonging to the nonlinear molecular beam epitaxy (nMBE) class, on flat (fixed-size) and expanding substrates (ES). In both d=1+1 and 2+1, we find that growth regime height distributions (HDs), and spatial and temporal covariances are universal, but are dependent on the initial conditions, while the critical exponents are the same for flat and ES systems. Thus, the nMBE class does split into subclasses, as does the Kardar-Parisi-Zhang (KPZ) class. Applying the "KPZ ansatz" to nMBE models, we estimate the cumulants of the 1+1 HDs...
November 2016: Physical Review. E
https://www.readbyqxmd.com/read/27893925/a-risk-based-measure-of-time-varying-prognostic-discrimination-for-survival-models
#12
C Jason Liang, Patrick J Heagerty
Prognostic survival models are commonly evaluated in terms of both their calibration and their discrimination. Comparing observed and predicted survival curves can assess calibration, while discrimination is typically summarized through comparison of the properties of "cases" or subjects who experience an event, and the properties of "controls" represented by event-free individuals. For binary data, discrimination is characterized either by using the relative ranks of cases and controls and a receiver operating characteristic (ROC) curve, or by summarizing the magnitude of risk placed on cases and controls through calculation of the discrimination slope (DS)...
November 28, 2016: Biometrics
https://www.readbyqxmd.com/read/27864476/anti-hinge-antibodies-recognize-igg-subclass-and-protease-restricted-neoepitopes
#13
Willem J J Falkenburg, Dirkjan van Schaardenburg, Pleuni Ooijevaar-de Heer, Michel W P Tsang-A-Sjoe, Irene E M Bultink, Alexandre E Voskuyl, Arthur E H Bentlage, Gestur Vidarsson, Gertjan Wolbink, Theo Rispens
Anti-hinge Abs (AHAs) target neoepitopes exposed after proteolytic cleavage of IgG. In this study, we explored the diversity of protease- and IgG subclass-restricted AHAs and their potential as immunological markers in healthy donors (HDs) and patients with rheumatoid arthritis (RA) or systemic lupus erythematosus (SLE). AHA reactivity against IgG-degrading enzyme of Streptococcus pyogenes (IdeS)- or pepsin-generated F(ab')2 fragments of all four human IgG subclasses was determined. AHA reactivity against one or more out of eight F(ab')2 targets was found in 68% (68 of 100) of HDs, 69% (68 of 99) of SLE patients, and 81% (79 of 97) of RA patients...
January 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27852394/-mechanism-of-alpha-lipoic-acid-in-treating-tnbs-induced-colitis-in-mice
#14
J Sun, M J Sun
Objective: To investigate whether α-lipoic acid (ALA) regulates autophagy in the pathogenesis of colitis through the mammalian target of rapamycin (mTOR) signaling pathway. Methods: Balb/c mouse colitis model was induced with 2, 4, 6-trinitrobenzenesulfonic acid (TNBS). Male Balb/c mice (22-25 g) were divided into four groups: control group, ALA group, colitis group, and ALA treatment group, with 10 mice in each group. ALA was administered at a dose of 80 mg/kg once a day for 7 days. The colon weight index, the disease activity index (DAI) and the histologic degeneration score (HDS) of colon tissue in each group were calculated...
November 1, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27847745/carbohydrate-electrolyte-drinks-exhibit-risks-for-human-enamel-surface-loss
#15
Mary Anne Sampaio de Melo, Vanara Florêncio Passos, Juliana Paiva Marques Lima, Sérgio Lima Santiago, Lidiany Karla Azevedo Rodrigues
OBJECTIVES: The aim of this investigation was to give insights into the impact of carbohydrate-electrolyte drinks on the likely capacity of enamel surface dissolution and the influence of human saliva exposure as a biological protective factor. MATERIALS AND METHODS: The pH, titratable acidity (TA) to pH 7.0, and buffer capacity (β) of common beverages ingested by patients under physical activity were analyzed. Then, we randomly distributed 50 specimens of human enamel into 5 groups...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27842768/herbal-and-dietary-supplement-induced-liver-injury
#16
REVIEW
Ynto S de Boer, Averell H Sherker
The increase in the use of herbal and dietary supplements (HDSs) over the last decades has been accompanied by an increase in the reports of HDS-associated hepatotoxicity. The spectrum of HDS-induced liver injury is diverse and the outcome may vary from transient liver test increases to fulminant hepatic failure resulting in death or requiring liver transplant. There are no validated standardized tools to establish the diagnosis, but some HDS products have a typical clinical signature that may help to identify HDS-induced liver injury...
February 2017: Clinics in Liver Disease
https://www.readbyqxmd.com/read/27800077/cholera-public-health-surveillance-in-the-republic-of-cameroon-opportunities-and-challenges
#17
Moise Chi Ngwa, Song Liang, Leonard Mbam Mbam, Arabi Mouhaman, Andrew Teboh, Kaousseri Brekmo, Onana Mevoula, John Glenn Morris
INTRODUCTION: In Cameroon, cholera has periodically resurfaced since it was first reported in 1971. In 2003, Cameroon adapted the Integrated Disease Surveillance and Response (IDSR) strategy to strengthen surveillance in the country. This study was an in-depth description and assessment of the structure, core and support functions, and attributes of the current cholera surveillance system in Cameroon. It also discussed its strengths and challenges with hope that lessons learned could improve the system in Cameroon and in other countries in Africa implementing the IDSR strategy...
2016: Pan African Medical Journal
https://www.readbyqxmd.com/read/27756298/an-assessment-of-the-impact-of-herb-drug-combinations-used-by-cancer-patients
#18
Saud M Alsanad, Rachel L Howard, Elizabeth M Williamson
BACKGROUND: Herb/Dietary Supplements (HDS) are the most popular Complementary and Alternative Medicine (CAM) modality used by cancer patients and the only type which involves the ingestion of substances which may interfere with the efficacy and safety of conventional medicines. This study aimed to assess the level of use of HDS in cancer patients undergoing treatment in the UK, and their perceptions of their effects, using 127 case histories of patients who were taking HDS. Previous studies have evaluated the risks of interactions between HDS and conventional drugs on the basis on numbers of patient using HDSs, so our study aimed to further this exploration by examining the actual drug combinations taken by individual patients and their potential safety...
October 18, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27733036/evaluation-report-on-the-causal-association-between-humidifier-disinfectants-and-lung-injury
#19
Mina Ha, Soon Young Lee, Seung-Sik Hwang, Hyesook Park, Seungsoo Sheen, Hae Kwan Cheong, Bo Youl Choi
OBJECTIVES: As of November 2011, the Korean government recalled and banned humidifier disinfectants (HDs) from the market, because four case-control studies and one retrospective epidemiological study proved the association between HDs and lung injury of unknown cause. The report reviewed the causal role of HDs in lung injury based on scientific evidences. METHODS: A careful examination on the association between the HDs and lung injury was based on the criteria of causality inference by Hill and the US Surgeon General Expert Committee...
2016: Epidemiology and Health
https://www.readbyqxmd.com/read/27721206/the-cortical-thickness-correlates-of-clinical-manifestations-in-the-mid-stage-sporadic-parkinson-s-disease
#20
Xia Deng, Chun-Yan Tang, Jie Zhang, Lei Zhu, Zun-Chun Xie, Hong-Han Gong, Xiang-Zuo Xiao, Ren-Shi Xu
The cortical thickness has gained an extensive attention as a pathological alteration of sporadic Parkinson's disease (sPD), the alteration of pathological cortical thickness may distinctly contribute to the consistent clinical manifestations. Therefore, we investigated the cortical thickness correlates of clinical manifestations in the mid-stage sPD from the Han population of Chinese mainland (HPCM). A sample of 67 mid-stage sPD patients and 35 matched controls from HPCM were performed a corticometry of magnetic resonance imaging (MRI) and the assessment of clinical manifestations including the demographic and disease-related characteristics, and underwent the final analysis of the cortical thickness correlates with the clinical manifestations...
October 28, 2016: Neuroscience Letters
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