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https://www.readbyqxmd.com/read/28092748/optimizing-selective-cutting-strategies-for-maximum-carbon-stocks-and-yield-of-moso-bamboo-forest-using-biome-bgc-model
#1
Fangjie Mao, Guomo Zhou, Pingheng Li, Huaqiang Du, Xiaojun Xu, Yongjun Shi, Lufeng Mo, Yufeng Zhou, Guoqing Tu
The selective cutting method currently used in Moso bamboo forests has resulted in a reduction of stand productivity and carbon sequestration capacity. Given the time and labor expense involved in addressing this problem manually, simulation using an ecosystem model is the most suitable approach. The BIOME-BGC model was improved to suit managed Moso bamboo forests, which was adapted to include age structure, specific ecological processes and management measures of Moso bamboo forest. A field selective cutting experiment was done in nine plots with three cutting intensities (high-intensity, moderate-intensity and low-intensity) during 2010-2013, and biomass of these plots was measured for model validation...
January 13, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28089898/exercise-guidelines-to-promote-cardiometabolic-health-in-spinal-cord-injured-humans-time-to-raise-the-intensity
#2
Tom E Nightingale, Richard S Metcalfe, Niels Bj Vollaard, James L J Bilzon
Spinal cord injury (SCI) is a life changing event that, as a result of paralysis, negatively influences habitual levels of physical activity and hence cardiometabolic health. Performing regular structured exercise therefore appears extremely important in persons with SCI. However, exercise options are mainly limited to the upper-body, which involves a smaller activated muscle mass compared to the mainly leg-based activities commonly performed by non-disabled individuals. Current exercise guidelines for SCI focus predominantly on relative short durations of moderate-intensity aerobic arm cranking exercise, yet contemporary evidence suggests this is not sufficient to induce meaningful improvements in risk factors for the prevention of cardiometabolic disease in this population...
January 12, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28089599/impact-of-oral-chlorhexidine-on-bloodstream-infection-in-critically-ill-patients-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#3
REVIEW
Luciano Silvestri, William I Weir, Dario Gregori, Nia Taylor, Durk F Zandstra, Joris J M van Saene, Hendrick K F van Saene
OBJECTIVES: Oropharyngeal overgrowth of microorganisms in the critically ill is a risk factor for lower respiratory tract infection and subsequent invasion of the bloodstream. Oral chlorhexidine has been used to prevent pneumonia, but its effect on bloodstream infection never has been assessed in meta-analyses. The authors explored the effect of oral chlorhexidine on the incidence of bloodstream infection, the causative microorganism, and on all-cause mortality in critically ill patients...
November 2, 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28089456/protective-effects-of-exercise-training-on-endothelial-dysfunction-induced-by-total-sleep-deprivation-in-healthy-subjects
#4
Fabien Sauvet, Pierrick J Arnal, Pierre Emmanuel Tardo-Dino, Catherine Drogou, Pascal Van Beers, Clément Bougard, Arnaud Rabat, Garance Dispersyn, Alexandra Malgoyre, Damien Leger, Danielle Gomez-Merino, Mounir Chennaoui
BACKGROUND: Sleep loss is a risk factor for cardiovascular events mediated through endothelial dysfunction. AIMS: To determine if 7weeks of exercise training can limit cardiovascular dysfunction induced by total sleep deprivation (TSD) in healthy young men. METHODS: 16 subjects were examined during 40-h TSD, both before and after 7weeks of interval exercise training. Vasodilatation induced by ACh, insulin and heat (42°C) and pulse wave velocity (PWV), blood pressure and heart rate (HR) were assessed before TSD (controlday), during TSD, and after one night of sleep recovery...
January 5, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28079781/transcutaneous-nerve-stimulation-for-pain-relief-during-office-hysteroscopy-a-randomized-controlled-trial
#5
Juan F Lisón, Juan J Amer-Cuenca, Silvia Piquer-Martí, Vicente Benavent-Caballer, Gemma Biviá-Roig, Alejandro Marín-Buck
OBJECTIVE: To evaluate the pain-relieving effect of transcutaneous electrical nerve stimulation (TENS) during office-based hysteroscopy without sedation. METHODS: We conducted a randomized, double-blind, placebo-controlled trial. Participants were randomly assigned to the active TENS, placebo TENS, or control group. The active TENS intervention consisted of a varying high-frequency (80-100 Hz), 400-microseconds, individually adjusted, high-intensity TENS application with two self-adhesive electrodes placed parallel to the spinal cord at the T10-L1 and S2-S4 levels...
January 9, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28079702/radiomic-analysis-reveals-prognostic-information-in-t1-weighted-baseline-magnetic-resonance-imaging-in-patients-with-glioblastoma
#6
Michael Ingrisch, Moritz Jörg Schneider, Dominik Nörenberg, Giovanna Negrao de Figueiredo, Klaus Maier-Hein, Bogdana Suchorska, Ulrich Schüller, Nathalie Albert, Hartmut Brückmann, Maximilian Reiser, Jörg-Christian Tonn, Birgit Ertl-Wagner
OBJECTIVES: The aim of this study was to investigate whether radiomic analysis with random survival forests (RSFs) can predict overall survival from T1-weighted contrast-enhanced baseline magnetic resonance imaging (MRI) scans in a cohort of glioblastoma multiforme (GBM) patients with uniform treatment. MATERIALS AND METHODS: This retrospective study was approved by the institutional review board and informed consent was waived. The MRI scans from 66 patients with newly diagnosed GBM from a previous prospective study were analyzed...
January 9, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28079263/comparison-of-rates-of-nephrotoxicity-associated-with-vancomycin-in-combination-with-piperacillin-tazobactam-administered-as-an-extended-versus-standard-infusion
#7
Mariam Mousavi, Tanya Zapolskaya, Marco R Scipione, Eddie Louie, John Papadopoulos, Yanina Dubrovskaya
STUDY OBJECTIVE: Despite recent reports of relatively high rates (16-37%) of acute kidney injury (AKI) in patients receiving the combination of intravenous piperacillin-tazobactam (PTZ) and vancomycin, data are limited evaluating the impact of PTZ infusion strategy on the occurrence of nephrotoxicity. The objective of this study was to compare the rates of nephrotoxicity in patients receiving vancomycin in combination with PTZ administered as an extended infusion (EI) versus a standard infusion (SI)...
January 12, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28076352/high-intensity-interval-training-elicits-higher-enjoyment-than-moderate-intensity-continuous-exercise
#8
Jacob S Thum, Gregory Parsons, Taylor Whittle, Todd A Astorino
: Exercise adherence is affected by factors including perceptions of enjoyment, time availability, and intrinsic motivation. Approximately 50% of individuals withdraw from an exercise program within the first 6 mo of initiation, citing lack of time as a main influence. Time efficient exercise such as high intensity interval training (HIIT) may provide an alternative to moderate intensity continuous exercise (MICT) to elicit substantial health benefits. This study examined differences in enjoyment, affect, and perceived exertion between MICT and HIIT...
2017: PloS One
https://www.readbyqxmd.com/read/28075489/cough-augmentation-techniques-for-extubation-or-weaning-critically-ill-patients-from-mechanical-ventilation
#9
REVIEW
Louise Rose, Neill Kj Adhikari, David Leasa, Dean A Fergusson, Douglas McKim
BACKGROUND: There are various reasons why weaning and extubation failure occur, but ineffective cough and secretion retention can play a significant role. Cough augmentation techniques, such as lung volume recruitment or manually- and mechanically-assisted cough, are used to prevent and manage respiratory complications associated with chronic conditions, particularly neuromuscular disease, and may improve short- and long-term outcomes for people with acute respiratory failure. However, the role of cough augmentation to facilitate extubation and prevent post-extubation respiratory failure is unclear...
January 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28074789/extracorporeal-membrane-oxygenation-in-severe-influenza-infection-with-respiratory-failure-a-systematic-review-and-meta-analysis
#10
Shashvat Sukhal, Jaskaran Sethi, Malini Ganesh, Pedro A Villablanca, Anita K Malhotra, Harish Ramakrishna
INTRODUCTION: Extracorporeal membrane oxygenation (ECMO) has been extensively used for potentially reversible acute respiratory failure associated with severe influenza A (H1N1) pneumonia; however, it remains an expensive, resource-intensive therapy, with a high associated mortality. This systematic review and meta-analysis aims to summarize and pool outcomes data available in the published literature to guide clinical decision-making and further research. METHODS: We conducted a systematic search of MEDLINE (1966 to April 15, 2015), EMBASE (1980 to April 15, 2015), CENTRAL, and Google Scholar for patients with severe H1N1 pneumonia and respiratory failure who received ECMO...
January 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28074411/biomass-and-terpenoids-produced-by-mutant-strains-of-arthrospira-under-low-temperature-and-light-conditions
#11
Jian Guan, Songdong Shen, Hao Wu, Xin Liu, Weijie Shen, Yuan He, R Duan
The filamentous Cyanobacterium Arthrospira is commercially produced and is a functional, high-value, health food. We identified 5 low temperature and low light intensity tolerant strains of Arthrospira sp. (GMPA1, GMPA7, GMPB1, GMPC1, and GMPC3) using ethyl methanesulfonate mutagenesis and low temperature screening. The 5 Arthrospira strains grew rapidly below 14 °C, 43.75 μmol photons m(-2) s(-1) and performed breed conservation at 2.5 °C, 8.75 μmol photons m(-2) s(-1). We used morphological identification and molecular genetic analysis to identify GMPA1, GMPA7, GMPB1 and GMPC1 as Arthrospira platensis, while GMPC3 was identified as Arthrospira maxima...
February 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28073666/standard-endovascular-aneurysm-repair-in-patients-with-wide-infrarenal-aneurysm-necks-is-associated-with-increased-risk-of-adverse-events
#12
Nelson F G Oliveira, Frederico M Bastos Gonçalves, Marie Josee Van Rijn, Quirina de Ruiter, Sanne Hoeks, Jean-Paul P M de Vries, Joost A van Herwaarden, Hence J M Verhagen
OBJECTIVE: Endovascular aneurysm repair (EVAR) has progressively expanded to treat more challenging anatomies. Although EVAR in patients with wide infrarenal necks has been reported with acceptable results, there is still controversy regarding the longer-term outcomes. Our aim is to determine the impact of infrarenal neck diameter on midterm outcome following EVAR with a single endograft with suprarenal fixation. METHODS: A retrospective case-control study was designed using data from a prospective multicenter database...
January 7, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28072708/life-threatening-motor-vehicle-crashes-in-bright-sunlight
#13
Donald A Redelmeier, Sheharyar Raza
: Bright sunlight may create visual illusions that lead to driver error, including fallible distance judgment from aerial perspective. We tested whether the risk of a life-threatening motor vehicle crash was increased when driving in bright sunlight.This longitudinal, case-only, paired-comparison analysis evaluated patients hospitalized because of a motor vehicle crash between January 1, 1995 and December 31, 2014. The relative risk of a crash associated with bright sunlight was estimated by evaluating the prevailing weather at the time and place of the crash compared with the weather at the same hour and location on control days a week earlier and a week later...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28069192/acoustic-cavitation-induced-generation-of-stabilizer-free-extremely-stable-reduced-graphene-oxide-nanodispersion-for-efficient-delivery-of-paclitaxel-in-cancer-cells
#14
Renu Geetha Bai, Kasturi Muthoosamy, Fiona Natalia Shipton, Sivakumar Manickam
Graphene is one of the highly explored nanomaterials due to its unique and extraordinary properties. In this study, by utilizing a hydrothermal reduction method, graphene oxide (GO) was successfully converted to reduced graphene oxide (RGO) without using any toxic reducing agents. Following this, with the use of ultrasonic cavitation, profoundly stable few layer thick RGO nanodispersion was generated without employing any stabilizers or surfactants. During ultrasonication, shockwaves from the collapse of bubbles cause a higher dispersing energy to the graphene nanosheets which surpass the forces of Van der Waal's and π-π stacking and thus pave the way to form a stable aqueous nanodispersion of graphene...
May 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28068957/psychological-social-and-mechanical-work-exposures-and-disability-retirement-a-prospective-registry-study
#15
Jan S Emberland, Morten Birkeland Nielsen, Stein Knardahl
BACKGROUND: Relations between several occupational psychological and social factors and disability retirement remain largely unexplored. Knowledge of which specific aspects of the work environment that affect risk of disability is a prerequisite for the success of organizational interventions aiming to prevent premature work force exit. The objective of the present study was to determine contributions to registered disability retirement by a broad range of psychological and social work exposures while taking into account effects of mechanical exposure...
January 10, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28067944/intensive-case-management-for-severe-mental-illness
#16
REVIEW
Marina Dieterich, Claire B Irving, Hanna Bergman, Mariam A Khokhar, Bert Park, Max Marshall
BACKGROUND: Intensive Case Management (ICM) is a community-based package of care aiming to provide long-term care for severely mentally ill people who do not require immediate admission. Intensive Case Management evolved from two original community models of care, Assertive Community Treatment (ACT) and Case Management (CM), where ICM emphasises the importance of small caseload (fewer than 20) and high-intensity input. OBJECTIVES: To assess the effects of ICM as a means of caring for severely mentally ill people in the community in comparison with non-ICM (caseload greater than 20) and with standard community care...
January 6, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28066793/characterizing-failure-to-establish-hepatitis-c-care-of-baby-boomers-diagnosed-in-the-emergency-department
#17
Ricardo A Franco, E Turner Overton, Ashutosh R Tamhane, Jordan M Forsythe, Joel B Rodgers, Julie K Schexnayder, Deanne Guthrie, Suneetha Thogaripally, Anne Zinski, Michael S Saag, Michael J Mugavero, Henry E Wang, James W Galbraith
BACKGROUND: Emergency departments (EDs) are high-yield sites for hepatitis C virus (HCV) screening, but data regarding linkage to care (LTC) determinants are limited. METHODS: Between September 2013 and June 2014, 4371 baby boomers unaware of their HCV status presented to the University of Alabama at Birmingham ED and underwent opt-out screening. A linkage coordinator facilitated referrals for positive cases. Demographic data, International Classification of Diseases, Ninth Revision codes, and clinic visits were collected, and patients were (retrospectively) followed up until February 2015...
October 2016: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28062334/intensity-of-vasopressor-therapy-for-septic-shock-and-the-risk-of-in-hospital-death
#18
Donald A Brand, Patricia A Patrick, Jeffrey T Berger, Mediha Ibrahim, Ajsza Matela, Shweta Upadhyay, Peter Spiegler
CONTEXT: Given the high mortality of 30-60% associated with septic shock, distinguishing which patients do or do not have a reasonable chance of surviving with aggressive treatment could help clinicians and families make informed decisions. OBJECTIVES: To determine if intensity of vasopressor therapy accurately predicts in-hospital death. METHODS: This observational cohort study analyzed in-hospital mortality as a function of intensity of vasopressor therapy in a consecutive series of adults with septic shock treated over a 4-year period...
January 3, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28062146/intensive-statin-regimens-for-reducing-risk-of-cardiovascular-diseases-among-human-immunodeficiency-virus-infected-population-a-nation-wide-longitudinal-cohort-study-2000-2011
#19
Huang-Tz Ou, Kai-Cheng Chang, Chung-Yi Li, Chen-Yi Yang, Nai-Ying Ko
OBJECTIVE: This study evaluated the risk of cardiovascular diseases (CVD) in a statin-treated HIV-infected population and the effects of intensive statin regimens (i.e., high-dose or potency) on CVD risks. METHODS: 945 HIV-infected patients newly on statin treatment (144, 15.7% with CVD history) were identified from Taiwan's national HIV cohort. Using the median of the first year cumulative statin dosage as a cut-off point, patients were classified into either a high-dose or low-dose group...
December 21, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28060976/-cardiovascular-recovery-during-intermittent-exercise-in-highly-adherent-partic-pants-with-hypertension-and-type-2-diabetes-mellitus
#20
Johnattan Cano-Montoya, Cristian Álvarez, Cristian Martínez, Andrés Salas, Farid Sade, Rodrigo Ramírez-Campillo
BACKGROUND: Despite the evidence supporting metabolic benefits of high intensity interval exercise (HIIT), there is little information about the cardiovascular response to this type of exercise in patients with type 2 diabetes (T2D) and hypertension (HTA). AIM: To analyze the changes in heart rate at rest, at the onset and at the end of each interval of training, after twelve weeks of a HIIT program in T2D and HTA patients. MATERIAL AND METHODS: Twenty-three participants with T2D and HTA (20 women) participated in a controlled HIIT program...
September 2016: Revista Médica de Chile
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