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https://www.readbyqxmd.com/read/28344060/basal-cd34-cell-count-predicts-peripheral-blood-stem-cell-mobilization-in-healthy-donors-after-administration-of-g-csf-a-longitudinal-prospective-observational-single-center-cohort-study
#1
Massimo Martino, Mercedes Gori, Annalisa Pitino, Massimo Gentile, Antonia Dattola, Antonella Pontari, Ernesto Vigna, Tiziana Moscato, Anna Grazia Recchia, Santina Barilla', Giovanni Tripepi, Fortunato Morabito
A longitudinal, prospective, observational, single-center, cohort study on healthy donors (HDs) was designed to identify predictors of CD34+ cells on day 5 with emphasis on the predictive value of the basal CD34+ cell count. As potential predictors of mobilization, age, sex, body weight, height, blood volume as well as white blood cell count, peripheral blood (PB) mononuclear cells, platelet count, hematocrit, and hemoglobin levels were considered. Two different evaluations of CD34+ cell counts were determined for each donor: baseline (before granulocyte colony-stimulating factor [G-CSF] administration) and in PB after G-CSF administration on the morning of the fifth day (day 5)...
March 24, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28315550/hazardous-drugs-and-usp-800-implications-for-nurses
#2
Seth Eisenberg
BACKGROUND: Although guidelines for the safe handling of hazardous drugs (HDs) have existed for several decades, they have not been enforceable by state or federal agencies. USP <800>, the latest chapter issued by the U.S. Pharmacopeial Convention, expands on existing guidelines and provides detailed information on compounding and administration. Unlike current guidelines, USP <800> will be enforced by each state's board of pharmacy or their delegated agency.
. OBJECTIVES: This article provides a brief overview of the dangers associated with HDs and the implications of USP <800> for nurses...
April 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28280882/alcohol-induced-performance-impairment-a-5-year-re-examination-study-in-heavy-and-light-drinkers
#3
Ty Brumback, Dingcai Cao, Patrick McNamara, Andrea King
BACKGROUND: The theory of behavioral tolerance to alcohol posits that greater experience with drinking to intoxication leads to less impaired cognitive and psychomotor performance. However, the degree to which behavioral tolerance develops or changes over time in adults due to repeated heavy alcohol drinking has not been clearly demonstrated. METHOD: We examined data from the first 6 years of the Chicago Social Drinking Project to test whether chronic heavy drinkers (HDs; n = 86) and light drinkers (LDs; n = 69) exhibit behavioral tolerance or changes in perceived impairment at two testing phases in early adulthood...
March 9, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28273570/novel-geochemistry-inspired-method-for-the-deep-removal-of-vanadium-from-molybdate-solution
#4
Jialiang Zhang, Yuping Deng, Qiuyue Zhou, Peixin Qin, Yubo Liu, Chengyan Wang
Separation of vanadium from molybdates is an essential task for processing the leaching solution of hazardous spent hydrodesulphurization (HDS) catalyst. In this study, the difference in the main naturally occurring mineral forms of Mo and V inspired us to develop a method for the deep removal of V from molybdate solution using Fe3O4 as an adsorbent. First, the adsorbent was synthesized with coprecipitation method, and then it was characterized by XRD, TEM, and VSM. The synthesized material consisted of pure Fe3O4 nanoparticles that exhibited paramagnetic property, with a saturated magnetization of 68...
February 28, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28269765/central-review-of-amyloid-related-imaging-abnormalities-in-two-phase-iii-clinical-trials-of-bapineuzumab-in-mild-to-moderate-alzheimer-s-disease-patients
#5
Nzeera Ketter, H Robert Brashear, Jennifer Bogert, Jianing Di, Yves Miaux, Achim Gass, Derk D Purcell, Frederik Barkhof, H Michael Arrighi
BACKGROUND: Amyloid-related imaging abnormalities (ARIA) consist of ARIA-E (with effusion or edema) and ARIA-H (hemosiderin deposits [HDs]). OBJECTIVES: To address accurate ascertainment of ARIA identification, a final magnetic resonance imaging (MRI) reading was performed on patients with mild-to-moderate Alzheimer's disease randomized to bapineuzumab IV or placebo during two Phase III trials (APOE ɛ4 allele carriers or noncarriers). METHODS: Final MRI central review consisted of a systematic sequential locked, adjudicated read in 1,331 APOE ɛ4 noncarriers and 1,121 carriers by independent neuroradiologists...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28245863/epstein-barr-virus-lytic-infection-promotes-activation-of-toll-like-receptor-8-innate-immune-response-in-systemic-sclerosis-monocytes
#6
Antonella Farina, Giovanna Peruzzi, Valentina Lacconi, Stefania Lenna, Silvia Quarta, Edoardo Rosato, Anna Rita Vestri, Michael York, David H Dreyfus, Alberto Faggioni, Stefania Morrone, Maria Trojanowska, G Alessandra Farina
BACKGROUND: Monocytes/macrophages are activated in several autoimmune diseases, including systemic sclerosis (scleroderma; SSc), with increased expression of interferon (IFN)-regulatory genes and inflammatory cytokines, suggesting dysregulation of the innate immune response in autoimmunity. In this study, we investigated whether the lytic form of Epstein-Barr virus (EBV) infection (infectious EBV) is present in scleroderma monocytes and contributes to their activation in SSc. METHODS: Monocytes were isolated from peripheral blood mononuclear cells (PBMCs) depleted of the CD19+ cell fraction, using CD14/CD16 negative-depletion...
February 28, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28219592/urgent-liver-transplantation-for-dietary-supplements-an-under-recognized-problem
#7
L L Wong, L Lacar, M Roytman, S L Orloff
BACKGROUND: The recent outbreak of acute liver failure caused by herbal/dietary supplements (HDS) in Hawaii prompted evaluation of those patients who underwent emergency liver transplantation (LT) for HDS in the United States. METHODS: We queried the Scientific Registry of Transplant Recipients (2003-2015) to identify patients who underwent urgent LT for acute hepatic necrosis (AHN) and identified those with HDS use. This group of patients was then characterized...
March 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28210619/a-useful-tool-as-a-medical-checkup-in-a-general-population-bioelectrical-impedance-analysis
#8
Mika Enomoto, Hisashi Adachi, Ako Fukami, Eita Kumagai, Sachiko Nakamura, Yume Nohara, Shoko Kono, Erika Nakao, Nagisa Morikawa, Tomoko Tsuru, Akiko Sakaue, Yoshihiro Fukumoto
Accumulation of visceral fat leads to metabolic syndrome and increases risks of cerebro-cardiovascular diseases, which should be recognized and improved at the early stage in general population. Accurate measurement of visceral fat area (VFA) is commonly performed by the abdominal cross-sectional image measured by computed tomography scan, which is, however, limited due to the radiation exposure. The bioelectrical impedance analysis (OMRON, HDS-2000 DUALSCAN(R)) has been recently developed to measure VFA, which is more easily accessible modality...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28199143/randomized-trial-comparing-r-chop-versus-high-dose-sequential-chemotherapy-in-high-risk-patients-with-diffuse-large-b-cell-lymphomas
#9
Sergio Cortelazzo, Corrado Tarella, Alessandro Massimo Gianni, Marco Ladetto, Anna Maria Barbui, Andrea Rossi, Giuseppe Gritti, Paolo Corradini, Massimo Di Nicola, Caterina Patti, Antonino Mulé, Manuela Zanni, Valerio Zoli, Atto Billio, Andrea Piccin, Giovanni Negri, Claudia Castellino, Francesco Di Raimondo, Andrés J M Ferreri, Fabio Benedetti, Giorgio La Nasa, Guido Gini, Livio Trentin, Maurizio Frezzato, Leonardo Flenghi, Simona Falorio, Marco Chilosi, Riccardo Bruna, Valentina Tabanelli, Stefano Pileri, Arianna Masciulli, Federica Delaini, Cristina Boschini, Alessandro Rambaldi
Purpose The benefit of high-dose chemotherapy with autologous stem-cell transplantation (ASCT) as first-line treatment in patients with diffuse large B-cell lymphomas is still a matter of debate. To address this point, we designed a randomized phase III trial to compare rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP)-14 (eight cycles) with rituximab plus high-dose sequential chemotherapy (R-HDS) with ASCT. Patients and Methods From June 2005 to June 2011, 246 high-risk patients with a high-intermediate (56%) or high (44%) International Prognostic Index score were randomly assigned to the R-CHOP or R-HDS arm, and 235 were analyzed by intent to treat...
November 20, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28197588/an-unexpected-pathway-for-hydrodesulfurization-of-gazole-over-a-comos-active-phase-supported-on-a-mesoporous-tio2-catalyst
#10
I Naboulsi, C Felipe Linares Aponte, B Lebeau, S Brunet, L Michelin, M Bonne, J L Blin
Using dual mesoporous titania as a support, due to the presence of intrinsic Brönsted acid sites, the main approach to 4,6-dimethylbenzothiophene (46DMDBT) hydrodesulfurization (HDS) becomes the direct desulfurization (DDS) route through isomerization and dismutation reactions, instead of the hydrogenation (HYD) pathway usually observed with a conventional promoted (by Ni or Co) MoS2/Al2O3 catalyst.
February 15, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28188954/comparative-glandular-trichome-transcriptome-based-gene-characterization-reveals-reasons-for-differential-menthol-biosynthesis-in-mentha-species
#11
Md Qussen Akhtar, Nida Qamar, Pallavi Yadav, Pallavi Kulkarni, Ajay Kumar, Ajit Kumar Shasany
The genes involved in menthol biosynthesis are reported earlier in Mentha × piperita. But the information on these genes is not available in Mentha arvensis. To bridge the gap in knowledge on differential biosynthesis of monoterpenes leading to compositional variation in the essential oil of these species, a comparative transcriptome analysis of the glandular trichome was carried out. In addition to the MVA and MEP pathway genes, about 210 and 196 different terpene synthases (TPS) transcripts were identified from annotation in M...
February 11, 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/28159767/ticagrelor-reversal-in-vitro-assessment-of-four-haemostatic-agents
#12
Leyla Calmette, Anne-Céline Martin, Bernard Le Bonniec, Diane Zlotnik, Isabelle Gouin-Thibault, Christilla Bachelot-Loza, Pascale Gaussem, Anne Godier
AIM: Management of ticagrelor-induced bleeding is challenging as platelet transfusion is ineffective. An effective strategy is needed. This study aimed to investigate in vitro the efficacy of four haemostatic drugs (HDs), namely recombinant activated factor VII (rFVIIa), fibrinogen concentrate (Fib), tranexamic acid (TXA) and factor XIII concentrate (FXIII) to improve the haemostatic capacity in the presence of ticagrelor. METHODS: Blood was spiked with ticagrelor then supplemented by either HD or control...
February 3, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28152831/is-there-a-relationship-between-self-reported-healthy-days-and-comorbidity-medication-adherence-among-oncology-patients
#13
Dana Drzayich Jankus, Sari Hopson, Raya Khoury, Aparna Parikh, Alisha Stein, Todd Michael, Stephen Stemkowski, Mikele Bunce
189 Background: Previous studies established the link between comorbidities and Health Related Quality of Life (HRQoL) for cancer patients. Adherence to comorbid medications has been found to be predictive of HRQoL in other disease states, but this has not been established for patients with cancer. This study sought to investigate the association between healthy days (HDs) and comorbidity medication adherence (CMA) for cancer patients. METHODS: A survey was mailed to 5,098 patients with metastatic breast, lung or colorectal cancer who received treatment in 2014 and had at least one comorbid condition...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28151723/direct-measurement-of-the-effective-infrared-dielectric-response-of-a-highly-doped-semiconductor-metamaterial
#14
Abeer Al Mohtar, Michel Kazan, Thierry Taliercio, Laurent Cerutti, Sylvain Blaize, Aurélien Bruyant
We have investigated the effective dielectric response of a subwavelength grating made of highly doped semiconductors (HDS) excited in reflection, using numerical simulations and spectroscopic measurement. The studied system can exhibit strong localized surface resonances and has, therefore, a great potential for surface-enhanced infrared absorption (SEIRA) spectroscopy application. It consists of a highly doped InAsSb grating deposited on lattice-matched GaSb. The numerical analysis demonstrated that the resonance frequencies can be inferred from the dielectric function of an equivalent homogeneous slab by accounting for the complex reflectivity of the composite layer...
March 24, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28107333/u-s-pharmacopeial-chapter-800-be-ready-to-comply-by-july-2018-%C3%A2
#15
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.
...
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-end-plates
#16
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 end plates (EP) that lie superiorly and inferiorly to the IVDs and separate them from the adjacent vertebral bodies. With aging, both IVDs and EPs undergo degeneration. The Histologic Degeneration Score (HDS) is a grading system that 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
#17
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
#18
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
#19
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
#20
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 with 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 4 zones: low-grade up/down and high-grade up/down based on the extent and direction of migration...
March 2017: World Neurosurgery
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