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https://www.readbyqxmd.com/read/28650414/combined-thoracic-ultrasound-assessment-during-a-successful-weaning-trial-predicts-postextubation-distress
#1
Stein Silva, Dalinda Ait Aissa, Pierre Cocquet, Lucille Hoarau, Jean Ruiz, Fabrice Ferre, David Rousset, Michel Mora, Arnaud Mari, Olivier Fourcade, Béatrice Riu, Samir Jaber, Bénoît Bataille
BACKGROUND: Recent studies suggest that isolated sonographic assessment of the respiratory, cardiac, or neuromuscular functions in mechanically ventilated patients may assist in identifying patients at risk of postextubation distress. The aim of the present study was to prospectively investigate the value of an integrated thoracic ultrasound evaluation, encompassing bedside respiratory, cardiac, and diaphragm sonographic data in predicting postextubation distress. METHODS: Longitudinal ultrasound data from 136 patients who were extubated after passing a trial of pressure support ventilation were measured immediately after the start and at the end of this trial...
June 23, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28650234/antinociceptive-and-respiratory-effects-following-application-of-transdermal-fentanyl-patches-and-assessment-of-brain-%C3%AE-opioid-receptor-mrna-expression-in-ball-pythons
#2
Rima J Kharbush, Allison Gutwillig, Kate E Hartzler, Rebecca S Kimyon, Alyssa N Gardner, Andrew D Abbott, Sherry K Cox, Jyoti J Watters, Kurt K Sladky, Stephen M Johnson
OBJECTIVE To quantify plasma fentanyl concentrations (PFCs) and evaluate antinociceptive and respiratory effects following application of transdermal fentanyl patches (TFPs) and assess cerebrospinal μ-opioid receptor mRNA expression in ball pythons (compared with findings in turtles). ANIMALS 44 ball pythons (Python regius) and 10 turtles (Trachemys scripta elegans). PROCEDURES To administer 3 or 12 μg of fentanyl/h, a quarter or whole TFP (TFP-3 and TFP-12, respectively) was used. At intervals after TFP-12 application in snakes, PFCs were measured by reverse-phase high-pressure liquid chromatography...
July 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28649872/indoor-swimming-pool-environments-and-self-reported-irritative-and-respiratory-symptoms-among-lifeguards
#3
Gabrielle Bureau, Benoît Lévesque, Marjolaine Dubé, Denis Gauvin, François Lépine, Denis Laliberté
A web survey was conducted among 870 lifeguards (current and former) to assess the relationship between exposure to indoor swimming pool environments and respiratory health. Associations between respiratory symptoms and asthma with varying lengths of occupational exposure were assessed by multiple logistic regression. Lifeguards exposed more than 500 hours in the previous 12 months experienced more cough (adjustedOR = 2.54, IC95 % = 1.51-4.25), throat (aOR = 2.47, IC95 % = 1.44-4.24) and eye irritation (aOR = 4...
June 25, 2017: International Journal of Environmental Health Research
https://www.readbyqxmd.com/read/28649465/dietary-and-cardio-metabolic-risk-factors-in-patients-with-obstructive-sleep-apnea-cross-sectional-study
#4
Marta Stelmach-Mardas, Marcin Mardas, Khalid Iqbal, Magdalena Kostrzewska, Tomasz Piorunek
BACKGROUND: Little is known about the role of dietary intake in obstructive sleep apnea (OSA), which could prove important in improving clinical outcomes for people with obesity and/or cardiovascular disease within these populations. Reduction in energy intake typically results in weight loss, markedly improving metabolic parameters and ameliorating OSA severity. The aim of this study was to evaluate the association of dietary and cardio-metabolic risk factors with OSA severity. METHODS: This was a cross-sectional study...
2017: PeerJ
https://www.readbyqxmd.com/read/28649033/danazol-alters-mitochondria-metabolism-of-fibrocystic-breast-mcf10a-cells
#5
Zhazira Irgebay, Banu Yeszhan, Bhaswati Sen, Sultan Tuleukhanov, Ari D Brooks, Richard Sensenig, Zulfiya Orynbayeva
Fibrocystic Breast Disease (FBD) or Fibrocystic change (FC) affects about 60% of women at some time during their life. Although usually benign, it is often associated with pain and tenderness (mastalgia). The synthetic steroid danazol has been shown to be effective in reducing the pain associated with FBD, but the cellular and molecular mechanisms for its action have not been elucidated. We investigated the hypothesis that danazol acts by affecting energy metabolism. Effects of danazol on Mcf10A cells homeostasis, including mechanisms of oxidative phosphorylation, cytosolic calcium signaling and oxidative stress, were assessed by high-resolution respirometry and flow cytometry...
June 22, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28648663/effect-of-enzyme-replacement-therapy-with-alglucosidase-alfa-myozyme%C3%A2-in-12-patients-with-advanced-late-onset-pompe-disease
#6
Constantinos Papadopoulos, David Orlikowski, Hélène Prigent, Arnaud Lacour, Céline Tard, Alain Furby, Julien Praline, Guilhem Solé, Jean-Yves Hogrel, Marie De Antonio, Claudio Semplicini, Joelle Deibener-Kaminsky, Pierre Kaminsky, Bruno Eymard, Nadjib Taouagh, Barbara Perniconi, Dalil Hamroun, Pascal Laforêt
BACKGROUND: The efficacy of enzyme replacement therapy (ERT) in patients at an advanced stage of Pompe disease has only been addressed in a few studies. Our objective was to assess the long term effects of ERT in a cohort of patients with severe Pompe disease. METHODS: We identified patients from the French Pompe Registry with severe respiratory failure and permanent wheelchair use (assisted walk for a few meters was allowed) when starting ERT. Patients' medical records were collected and reviewed and respiratory and motor functions, before ERT initiation and upon last evaluation were compared...
June 20, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28647254/quantifying-public-health-benefits-of-environmental-strategy-of-pm2-5-air-quality-management-in-beijing-tianjin-hebei-region-china
#7
Li Chen, Mengshuang Shi, Suhuan Li, Shuang Gao, Hui Zhang, Yanling Sun, Jian Mao, Zhipeng Bai, Zhongliang Wang, Jiang Zhou
In 2013, China issued "Air Pollution Prevention and Control Action Plan (Action Plan)" to improve air quality. To assess the benefits of this program in Beijing-Tianjin-Hebei (BTH) region, where the density of population and emissions vary greatly, we simulated the air quality benefit based on BenMAP to satisfy the Action Plan. In this study, we estimate PM2.5 concentration using Voronoi spatial interpolation method on a grid with a spatial resolution of 1×1km(2). Combined with the exposure-response function between PM2...
July 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28647126/mers-cov-infection-mind-the-public-knowledge-gap
#8
Amen Bawazir, Eman Al-Mazroo, Hoda Jradi, Anwar Ahmed, Motasim Badri
In August 2015, the Corona outbreak caused by Middle East respiratory syndrome coronavirus (MERS-CoV) was the 9th episode since June 2012 in Saudi Arabia. Little is known about the public awareness toward the nature or prevention of the disease. The aim of this work was to assess the knowledge of the adult population in Riyadh toward the MERS-CoV. In this cross-sectional survey, a self-administrated questionnaire was distributed to randomly selected participants visiting malls in Riyadh. The questionnaire contained measurable epidemiological and clinical MERS-CoV knowledge level variables and relevant source of information...
June 21, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28646954/development-of-respiratory-syncytial-virus-rsv-vaccines-for-infants
#9
Hannah E Gerretsen, Charles J Sande
2017 will mark the 60(th) anniversary since the first isolation of RSV in children. In spite of concerted efforts over all these years, the goal of developing an effective vaccine against paediatric RSV disease has remained elusive. One of the main hurdles standing in the way of an effective vaccine is the fact that the age incidence of severe disease peaks within the first 3 months of life, providing limited opportunity for intervention. In addition to this complexity, the spectre of failed historical vaccines, which increased the risk of illness and death upon subsequent natural infection, has substantially increased the safety criteria against which modern vaccines will be assessed...
June 2017: Journal of Infection
https://www.readbyqxmd.com/read/28646812/oral-consumption-of-vitamin-k2-for-8-weeks-associated-with-increased-maximal-cardiac-output-during-exercise
#10
Brian K McFarlin, Andrea L Henning, Adam S Venable
Background • Vitamin K1 and K2 are not typically common in a Western diet because they are found in a variety of fermented foods. Vitamin K2 in particular has been demonstrated to restore mitochondrial function and has a key role in production of mitochondrial adenosine triphosphate. Thus, it is reasonable to speculate that dietary supplementation with vitamin K2 could increase the function of muscle with high mitochondrial content (ie, skeletal and cardiac muscle). Objective • The purpose of this study was to determine if 8 wk of dietary supplementation with Vitamin K2 could alter cardiovascular responses to a graded cycle ergometer test...
July 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28646735/hyperpolarized-helium-3-magnetic-resonance-lung-imaging-of-non-sedated-infants-and-young-children-a-proof-of-concept-study
#11
Talissa A Altes, Craig H Meyer, Jaime F Mata, Deborah K Froh, Alix Paget-Brown, W Gerald Teague, Sean B Fain, Eduard E de Lange, Kai Ruppert, Martyn C Botfield, Mac A Johnson, John P Mugler
PURPOSE: To develop and evaluate a protocol for hyperpolarized helium-3 (HHe) ventilation magnetic resonance imaging (MRI) of the lungs of non-sedated infants and children. MATERIALS AND METHODS: HHe ventilation MRI was performed on seven children ≤4years old. Contiguous 2D-spiral helium-3 images were acquired sequentially with a scan time of ≤0.2s/slice. RESULTS: Motion-artifact-free, high signal-to-noise ratio (SNR) images of lung ventilation were obtained...
May 10, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28646608/fluid-filling-of-the-digestive-tract-for-improved-proton-resonance-frequency-shift-based-mr-thermometry-in-the-pancreas
#12
Cyril J Ferrer, Lambertus W Bartels, Marijn van Stralen, Baudouin Denis de Senneville, Chrit T W Moonen, Clemens Bos
PURPOSE: To demonstrate that fluid filling of the digestive tract improves the performance of respiratory motion-compensated proton resonance frequency shift (PRFS)-based magnetic resonance (MR) thermometry in the pancreas. MATERIALS AND METHODS: In seven volunteers (without heating), we evaluated PRFS thermometry in the pancreas with and without filling of the surrounding digestive tract. All data acquisition was performed at 1.5T, then all datasets were analyzed and compared with three different PRFS respiratory motion-compensated thermometry methods: gating, multibaseline, and referenceless...
June 24, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28646593/mri-assisted-dual-motion-correction-for-myocardial-perfusion-defect-detection-in-pet-imaging
#13
Xinhui Wang, Arman Rahmim, Jing Tang
PURPOSE: Myocardial perfusion (MP) PET imaging is a powerful tool in risk assess-assessment and stratification of patients with coronary artery disease. Involuntary organmotion degrades cardiac PET image resolution while respiratory and/or cardiac gating to freeze the motion leads to noisier reconstructed images due to reduced counts in the gated frames. In this work, we propose an MRI assisted dual motion correction method to compensate for respiratory and cardiac motion in MP PET data and study the impact of dual motion correction on MP defect detection using systematically designed experiments...
June 24, 2017: Medical Physics
https://www.readbyqxmd.com/read/28646592/influence-of-inspiratory-resistive-loading-on-expiratory-muscle-fatigue-in-healthy-humans
#14
Carli M Peters, Joseph F Welch, Paolo B Dominelli, Yannick Molgat-Seon, Lee M Romer, Donald C McKenzie, A William Sheel
Expiratory resistive loading elicits inspiratory as well as expiratory muscle fatigue, suggesting parallel co-activation of the inspiratory muscles during expiration. It is unknown whether the expiratory muscles are similarly co-activated to the point of fatigue during inspiratory resistive loading (IRL). The purpose of this study was to determine whether IRL elicits expiratory as well as inspiratory muscle fatigue. Healthy male subjects (n = 9) underwent isocapnic IRL (60% maximal inspiratory pressure, 15 breaths∙min(-1) , 0...
June 24, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28646113/aerosolization-of-mycotoxins-after-growth-of-toxinogenic-fungi-on-wallpaper
#15
Brankica Aleksic, Marjorie Draghi, Sebastien Ritoux, Sylviane Bailly, Marlène Lacroix, Isabelle P Oswald, Jean-Denis Bailly, Enric Robine
Many fungi can develop on building material in indoor environments if moisture is high enough. Among species that are frequently observed, some are known to be potent mycotoxin producers. This presence of toxinogenic fungi in indoor environments raises the question of the possible exposure of occupants to these toxic compounds by inhalation after aerosolization.This study investigated the mycotoxin production by Penicillium brevicompactum, Aspergillus versicolor and Stachybotrys chartarum during their growth on wallpaper and the possible subsequent aerosolization of produced mycotoxins from contaminated substrates...
June 23, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28645776/selective-inhibition-of-flt3-by-gilteritinib-in-relapsed-or-refractory-acute-myeloid-leukaemia-a-multicentre-first-in-human-open-label-phase-1-2-study
#16
Alexander E Perl, Jessica K Altman, Jorge Cortes, Catherine Smith, Mark Litzow, Maria R Baer, David Claxton, Harry P Erba, Stan Gill, Stuart Goldberg, Joseph G Jurcic, Richard A Larson, Chaofeng Liu, Ellen Ritchie, Gary Schiller, Alexander I Spira, Stephen A Strickland, Raoul Tibes, Celalettin Ustun, Eunice S Wang, Robert Stuart, Christoph Röllig, Andreas Neubauer, Giovanni Martinelli, Erkut Bahceci, Mark Levis
BACKGROUND: Internal tandem duplication mutations in FLT3 are common in acute myeloid leukaemia and are associated with rapid relapse and short overall survival. The clinical benefit of FLT3 inhibitors in patients with acute myeloid leukaemia has been limited by rapid generation of resistance mutations, particularly in codon Asp835 (D835). We aimed to assess the highly selective oral FLT3 inhibitor gilteritinib in patients with relapsed or refractory acute myeloid leukaemia. METHODS: In this phase 1-2 trial, we enrolled patients aged 18 years or older with acute myeloid leukaemia who either were refractory to induction therapy or had relapsed after achieving remission with previous treatment...
June 20, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28645568/predictors-of-successful-telephone-follow-up-in-a-multicenter-study-of-infants-with-severe-bronchiolitis
#17
Vickie Wu, Nora Abo-Sido, Janice A Espinola, Courtney N Tierney, Kathleen T Tedesco, Ashley F Sullivan, Carlos A Camargo
PURPOSE: To identify the characteristics that predict successful telephone follow-up with parents of infants with severe bronchiolitis. METHODS: We analyzed data from a 17-center, prospective cohort study of infants (age <1 year) hospitalized with bronchiolitis during three consecutive fall/winter seasons. Participant contact information and clinical data were collected during the index hospitalization. Parents were called at 6-month intervals (based on the child's age) after discharge to assess respiratory problems...
June 5, 2017: Annals of Epidemiology
https://www.readbyqxmd.com/read/28645460/associations-between-timing-of-corticosteroid-treatment-initiation-and-clinical-outcomes-in-duchenne-muscular-dystrophy
#18
Sunkyung Kim, Yong Zhu, Paul A Romitti, Deborah J Fox, Daniel W Sheehan, Rodolfo Valdez, Dennis Matthews, Brent J Barber
The long-term efficacy of corticosteroid treatment and timing of treatment initiation among Duchenne muscular dystrophy (DMD) patients is not well-understood. We used data from a longitudinal, population-based DMD surveillance program to examine associations between timing of treatment initiation (early childhood [before or at age 5 years], late childhood [after age 5 years], and naïve [not treated]) and five clinical outcomes (age at loss of ambulation; ages at onset of cardiomyopathy, scoliosis, and first fracture; and pulmonary function)...
June 5, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28645332/effects-of-air-pollution-and-seasons-on-health-related-quality-of-life-of-mongolian-adults-living-in-ulaanbaatar-cross-sectional-studies
#19
Motoyuki Nakao, Keiko Yamauchi, Yoko Ishihara, Hisamitsu Omori, Dashtseren Ichinnorov, Bandi Solongo
BACKGROUND: Ulaanbaatar, Mongolia, is known as severely air-polluted city in the world due to increased coal consumption in the cold season. The health effects of air pollution in Mongolia such as mortality, morbidity and symptoms have been previously reported. However, the concept of health-related quality of life (HR-QoL), which refers to the individual's perception of well-being, should also be included as an adverse health outcome of air pollution. METHODS: Surveys on the Mongolian people living in Ulaanbaatar were performed in the warm and cold seasons...
June 23, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28644368/vitamin-d-deficiency-is-not-associated-with-growth-or-the-incidence-of-common-morbidities-among-tanzanian-infants
#20
Christopher R Sudfeld, Karim P Manji, Emily R Smith, Said Aboud, Rodrick Kisenge, Wafaie W Fawzi, Christopher P Duggan
OBJECTIVE: The objective of this study was to examine risk factors for vitamin D deficiency and determine the association of vitamin D status with child growth and incidence of common morbidities among Tanzanian infants. METHODS: A prospective cohort of 581 Tanzanian infants born to HIV-uninfected mothers had serum 25-hydroxyvitamin D (25(OH)D) assessed at 6 weeks and 6 months of age. Infants were seen at monthly clinic visits for growth monitoring until 18 months of age...
June 21, 2017: Journal of Pediatric Gastroenterology and Nutrition
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