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https://www.readbyqxmd.com/read/29166732/-application-of-pegylated-recombinant-human-granulocyte-colony-stimulating-factor-to-prevent-chemotherapy-induced-neutropenia-in-patients-with-lymphoma-a-prospective-multicenter-open-label-clinical-trial
#1
H Q Huang, B Bai, Y H Gao, D H Zou, S H Zou, H Tan, Y P Song, Z Y Li, J Jin, W Li, H Su, Y P Gong, M Z Zhong, Y R Shuang, J Zhu, J Q Zhang, Z Cai, Q L Teng, W J Sun, Y Yang, Z J Xia, H L Chen, L M Hua, Y Y Bao, N Wu
Objective: To evaluate the efficacy and safety of pegylated recombinant human granulocyte colony-stimulating factor (PEG-rhG-CSF) in prophylaxis neutropenia after chemotherapy in patients with lymphoma. Methods: This was a multicenter, single arm, open, phase Ⅳ clinical trial. Included 410 patients with lymphoma received multiple cycles of chemotherapy and PEG-rhG-CSF was administrated as prophylactic. The primary endpoint was the incidence of Ⅲ/Ⅳ grade neutropenia and febrile neutropenia (FN) after each chemotherapy cycle...
October 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29166684/-implantation-of-a-modular-distal-femoral-replacement-with-compressive-osseointegration-as-a-salvage-procedure-in-a-complex-femoral-posttraumatic-setting
#2
Anna Janine Schreiner, Peter Marten de Zwart, Christian Arnscheidt, Ulrich Stöckle, Björn Gunnar Ochs
Background Large bone defects and losses play a crucial role in both tumour surgery and in complex primary and revision total knee replacement. The established options of cemented or uncemented long intramedullary stems are limited by large bone defects and are at risk from relatively high exposure to aseptic loosening. There is no general valid agreement on implant fixation of the distal femur. A further option is the cementless fixation method with compressive osseointegration, based on the so-called Wolff law of bone remodelling...
November 22, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29166656/fragmentation-modes-and-the-evolution-of-life-cycles
#3
Yuriy Pichugin, Jorge Peña, Paul B Rainey, Arne Traulsen
Reproduction is a defining feature of living systems. To reproduce, aggregates of biological units (e.g., multicellular organisms or colonial bacteria) must fragment into smaller parts. Fragmentation modes in nature range from binary fission in bacteria to collective-level fragmentation and the production of unicellular propagules in multicellular organisms. Despite this apparent ubiquity, the adaptive significance of fragmentation modes has received little attention. Here, we develop a model in which groups arise from the division of single cells that do not separate but stay together until the moment of group fragmentation...
November 22, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/29166548/an-exploratory-study-into-therapeutic-alliance-defeat-entrapment-and-suicidality-on-mental-health-wards
#4
Charlotte Dunster, Katherine Berry, Laura Wainwright, Gill Haddock
INTRODUCTION: Suicidality is prevalent worldwide, particularly in people who access mental health services. The quality of therapeutic alliance between people with mental health difficulties and staff has been associated with suicidality but only in community settings. Defeat and entrapment are correlated with suicidality and may mediate any relationship between alliance and suicidality. Therefore this exploratory study explored these relationships in people admitted to mental health wards...
November 22, 2017: Journal of Psychiatric and Mental Health Nursing
https://www.readbyqxmd.com/read/29166487/-mortality-from-assault-in-young-men-in-brazil-2010-2014-an-ecological-study
#5
Alice Cristina Medeiros Melo, Gabriela Drummond Marques da Silva, Leila Posenato Garcia
The aim was to analyze the association between risk of death from assault in young males and socio-demographic characteristics in Brazilian municipalities. In this ecological study, the units of analysis were the 1,651 municipalities of Brazil with more than 20,000 inhabitants. Data were obtained from the Brazilian Mortality Information System (SIM) and indicators were obtained from the 2010 Population Census and Human Development Atlas. Mortality rate ratios were estimated by a negative binomial regression model...
November 21, 2017: Cadernos de Saúde Pública
https://www.readbyqxmd.com/read/29166449/caesarean-birth-rates-in-public-and-privately-funded-hospitals-a-cross-sectional-study
#6
Bruna Dias Alonso, Flora Maria Barbosa da Silva, Maria do Rosário Dias de Oliveira Latorre, Carmen Simone Grilo Diniz, Debra Bick
OBJECTIVE: To examine maternal and obstetric factors influencing births by cesarean section according to health care funding. METHODS: A cross-sectional study with data from Southeastern Brazil. Caesarean section births from February 2011 to July 2012 were included. Data were obtained from interviews with women whose care was publicly or privately funded, and from their obstetric and neonatal records. Univariate and multivariate analyses were conducted to generate crude and adjusted odds ratios (OR) with 95% confidence intervals (95%CI) for caesarean section births...
2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/29166355/restoring-faculty-vitality-in-academic-medicine-when-burnout-threatens
#7
Darshana T Shah, Valerie N Williams, Luanne E Thorndyke, E Eugene Marsh, Roberta E Sonnino, Steven M Block, Thomas R Viggiano
Increasing rates of burnout-with accompanying stress and lack of engagement-among faculty, residents, students, and practicing physicians have caused alarm in academic medicine. Central to the debate among academic medicine's stakeholders are oft-competing issues of social accountability; cost containment; effectiveness of academic medicine's institutions; faculty recruitment, retention, and satisfaction; increasing expectations for faculty; and mission-based productivity.The authors propose that understanding and fostering what contributes to faculty and institutional vitality is central to preventing burnout during times of change...
November 21, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/29166297/assessing-patients-perceptions-of-safety-culture-in-the-hospital-setting-development-and-initial-evaluation-of-the-patients-perceptions-of-safety-culture-scale
#8
Clara Monaca, Beate Bestmann, Martina Kattein, Daria Langner, Hardy Müller, Tanja Manser
OBJECTIVES: Both, patient satisfaction and hospital safety culture have been recognized as key characteristics of healthcare quality and patient safety. Thus, both characteristics are measured widely to support quality and safety improvement efforts. However, because safety culture surveys focus exclusively on the perspective of hospital staff, the complimentary information to be gained from patients' perceptions of safety culture has received little research attention so far. We aimed to develop a measure explicitly focusing on patients' perceptions of safety culture in the hospital setting and perform an initial evaluation of its measurement properties...
November 21, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/29166153/catastrophic-shifts-in-semiarid-vegetation-soil-systems-may-unfold-rapidly-or-slowly
#9
Derek Karssenberg, Marc F P Bierkens, Max Rietkerk
Under gradual change of a driver, complex systems may switch between contrasting stable states. For many ecosystems it is unknown how rapidly such a critical transition unfolds. Here we explore the rate of change during the degradation of a semiarid ecosystem with a model coupling the vegetation and geomorphological system. Two stable states-vegetated and bare-are identified, and it is shown that the change between these states is a critical transition. Surprisingly, the critical transition between the vegetated and bare state can unfold either rapidly over a few years or gradually over decennia up to millennia, depending on parameter values...
December 2017: American Naturalist
https://www.readbyqxmd.com/read/29166031/a-twist-of-the-twist-mechanism-2-iodoxybenzoic-acid-ibx-mediated-oxidation-of-alcohol-revisited-theory-and-experiment
#10
Heming Jiang, Tian-Yu Sun, Xiao Wang, Yaoming Xie, Xinhao Zhang, Yun-Dong Wu, Henry F Schaefer
2-Iodoxybenzoic acid (IBX) is an important species for the oxidation of alcohols to aldehydes or ketones. An often-cited mechanism involving a hypervalent twist as the rate-determining step (RDS) is inconsistent with kinetic isotope effect (KIE) experiments. The computations with larger basis sets reveal that the reductive elimination involving the C-H bond cleavage is the RDS (rate-determining step). Further computational/experimental studies suggest that the reactivity can be improved by adjusting the trans influence with Lewis acids...
November 22, 2017: Organic Letters
https://www.readbyqxmd.com/read/29165900/development-of-a-pre-column-derivatization-hplc-method-with-diode-array-detection-for-the-determination-of-amino-sugars-in-peat-and-soil-humic-acids
#11
Erik Beňo, Róbert Góra, Milan Hutta
The work is focused on the development of a high-performance liquid chromatography method with diode-array detection for the separation and quantitation of the three most abundant amino sugars; d-glucosamine, d-galactosamine, and d-mannosamine. The high-performance liquid chromatography separation was carried out by reversed-phase chromatography on Chromolith Performance RP-18e monolithic column after acid hydrolysis (5 M HCl) and pre-column derivatization of samples using diethyl ethoxymethylenemalonate. Gradient elution and a mobile phase composed of ammonium formate buffer solution (10 mmol L(-1) , pH 3...
November 22, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/29165837/pulse-duration-settings-in-subthalamic-stimulation-for-parkinson-s-disease
#12
Frank Steigerwald, Lars Timmermann, Andrea Kühn, Alfons Schnitzler, Martin M Reich, Anna Dalal Kirsch, Michael Thomas Barbe, Veerle Visser-Vandewalle, Julius Hübl, Christoph van Riesen, Stefan Jun Groiss, Alexia-Sabine Moldovan, Sherry Lin, Stephen Carcieri, Ljubomir Manola, Jens Volkmann
BACKGROUND: Stimulation parameters in deep brain stimulation (DBS) of the subthalamic nucleus for Parkinson's disease (PD) are rarely tested in double-blind conditions. Evidence-based recommendations on optimal stimulator settings are needed. Results from the CUSTOM-DBS study are reported, comparing 2 pulse durations. METHODS: A total of 15 patients were programmed using a pulse width of 30 µs (test) or 60 µs (control). Efficacy and side-effect thresholds and unified PD rating scale (UPDRS) III were measured in meds-off (primary outcome)...
November 22, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29165800/generic-versions-of-narrow-therapeutic-index-drugs-a-national-survey-of-pharmacists-substitution-beliefs-and-practices
#13
Ameet Sarpatwari, Moa P Lee, Joshua J Gagne, Zhigang Lu, Sarah K Dutcher, Wenlei Jiang, Eric G Campbell, Aaron S Kesselheim
Small changes in bioavailability of narrow therapeutic index (NTI) drugs can alter clinical outcomes, raising concern over generic NTI substitution. We surveyed pharmacists to identify their perceptions of generic NTI drugs, their frequency of performing generic NTI substitution, and predictors of this behavior. Of 710 respondents (33% response rate), 87% perceived generic NTI drugs as effective as their brand-name versions and 94% as safe. Whereas 82% almost always performed generic NTI substitution for initial prescriptions, only 60% did for refills...
November 22, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29165614/long-term-health-in-recipients-of-transplanted-in-vitro-propagated-spermatogonial-stem-cells
#14
Callista L Mulder, Lisa A E Catsburg, Yi Zheng, Cindy M de Winter-Korver, Saskia K M van Daalen, Madelon van Wely, Steven Pals, Sjoerd Repping, Ans M M van Pelt
STUDY QUESTION: Is testicular transplantation of in vitro propagated spermatogonial stem cells associated with increased cancer incidence and decreased survival rates in recipient mice? SUMMARY ANSWER: Cancer incidence was not increased and long-term survival rate was not altered after transplantation of in vitro propagated murine spermatogonial stem cells (SSCs) in busulfan-treated recipients as compared to non-transplanted busulfan-treated controls. WHAT IS KNOWN ALREADY: Spermatogonial stem cell autotransplantation (SSCT) is a promising experimental reproductive technique currently under development to restore fertility in male childhood cancer survivors...
November 18, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29165580/role-of-anaerobic-blood-cultures-in-neonatal-bacteremia
#15
Nathan Messbarger, Kari Neemann
Background: Evaluation for neonatal sepsis routinely includes performing both aerobic and anaerobic blood cultures despite our lack of knowledge of the true incidence of anaerobic bacteremia in this age group and the consequences of not performing these paired cultures. Methods: We performed a retrospective review of all blood cultures performed for neonates in a children's hospital. Clinically significant pathogens were defined as microorganisms that rarely are considered to be contaminants, that were recovered from multiple blood cultures or sites, or were considered significant according to the patient's attending physician...
November 20, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/29165242/fundamental-constraints-in-synchronous-muscle-limit-superfast-motor-control-in-vertebrates
#16
Andrew F Mead, Nerea Osinalde, Niels Ørtenblad, Joachim Nielsen, Jonathan Brewer, Michiel Vellema, Iris Adam, Constance Scharff, Yafeng Song, Ulrik Frandsen, Blagoy Blagoev, Irina Kratchmarova, Coen Ph Elemans
Superfast muscles (SFMs) are extremely fast synchronous muscles capable of contraction rates up to 250 Hz, enabling precise motor execution at the millisecond time scale. SFM phenotypes have been discovered in most major vertebrate lineages, but it remains unknown whether all SFMs share excitation-contraction coupling pathway adaptations for speed, and if SFMs arose once, or from independent evolutionary events. Here, we demonstrate that to achieve rapid actomyosin crossbridge kinetics bat and songbird SFM express myosin heavy chain genes that are evolutionarily and ontologically distinct...
November 22, 2017: ELife
https://www.readbyqxmd.com/read/29165165/perceived-effectiveness-rating-scales-applied-to-insomnia-help-seeking-messages-for-middle-aged-japanese-people-a-validity-and-reliability-study
#17
Machi Suka, Takashi Yamauchi, Hiroyuki Yanagisawa
BACKGROUND: Communicating health messages is an important way to influence people's behaviors towards health issues. Providers need to incorporate audience's perspective to design more persuasive messages. This study aimed to develop rating scales for measuring audience's perception of effectiveness of health messages in Japanese people. METHODS: The comprehensibility scale including five items and the persuasiveness scale including seven items were designed based on literature review...
September 29, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29165081/rheological-characteristics-of-novel-meloxicam-loaded-complex-organogels-based-on-fumed-silica-and-poloxamer
#18
Tomasz Osmalek, Anna Froelich, Barbara Jadach, Katarzyna Ancukiewicz, Piotr Gadzinski
The objective of the presented work was to formulate and investigate the rheological behavior of non-aqueous gels containing 0.5% of meloxicam (MLX) in a non-ionic, dissolved form. Fumed silica and SynperonicTM PE/L 62 were used as structure forming components. Arlasolve®, Transcutol®, ethanol and DMSO were applied as solubilizers and potential skin absorption enhancers. In the first step, the preformulation studies were conducted in order to optimize the composition of the vehicle. The main acceptance criterion was the ability of the medium to dissolve MLX, which was confirmed by the lack of drug crystals and proper clarity of the formulation...
November 20, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/29165070/bortezomib-in-kidney-transplant-current-use-and-perspectives
#19
Erika B Rangel, Lucio R Requião-Moura, Taina V de Sandes-Freitas, Gessika Marcelo-Gomes
BACKGROUND: Despite major advances in transplant medicine, antibody-mediated rejection (AMR) continues to have severe clinical implications and adversely affect graft survival. Therefore, the search for alternative drugs to treat AMR is widely pursued. The first-in-class proteasome inhibitor bortezomib (BZ) is a selective inhibitor of the 26S proteasome, which was initially approved for the treatment of malignant plasma cell disorders. METHODS: This review encompasses how our understanding of inhibiting proteasome pathway created the basis of BZ research and important milestones accomplished in AMR treatment in the transplant setting...
November 20, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/29164841/home-blood-pressure-measurement-as-a-systematic-tool-for-clinical-practice-in-ckd-patients-a-real-world-picture
#20
Adamasco Cupisti, Lorenzo Ghiadoni, Claudia Zullo, Michele Marchini, Enrico Varricchio, Alessandro Puntoni, Elisabetta Giglio, Ophelia Meniconi, Maria R Bruno, Maria F Egidi
BACKGROUND: Arterial hypertension is very common in chronic kidney disease (CKD) patients and its prevalence increases with lowering estimated glomerular filtration rate (eGFR). Blood pressure (BP) control is a cornerstone in the treatment of CKD patients but still most treatment decisions are based on office BP measurement (OBPM). The aim of this cross-sectional, retrospective study is to investigate the prevalence of hypertension phenotypes in CKD patients and whether different home (HBPM) or OBPM are associated with a different CKD stage and cardiovascular comorbidities...
November 22, 2017: Panminerva Medica
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