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https://www.readbyqxmd.com/read/28231679/-use-the-markov-decision-tree-model-to-optimize-vaccination-strategies-of-hepatitis-e-among-women-aged-15-to-49
#1
Z M Chen, S B Ji, X L Shi, Y Y Zhao, X F Zhang, H Jin
Objective: To evaluate the cost-utility of different hepatitis E vaccination strategies in women aged 15 to 49. Methods: The Markov-decision tree model was constructed to evaluate the cost-utility of three hepatitis E virus vaccination strategies. Parameters of the models were estimated on the basis of published studies and experience of experts. Both methods on sensitivity and threshold analysis were used to evaluate the uncertainties of the model. Results: Compared with non-vaccination group, strategy on post-screening vaccination with rate as 100%, could save 0...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28231406/fungal-adaptation-to-contemporary-fungicide-applications-the-case-of-botrytis-cinerea-populations-from-champagne-vineyards-france
#2
A-S Walker, V Ravigne, A Rieux, S Ali, F Carpentier, E Fournier
In addition to being one of the most acute problems impeding chemical control of fungal diseases, the evolution of fungicide resistance is an emblematic case of local adaptation to spatially heterogeneous and temporally variable selection pressures. Here we dissected the adaptation of Botrytis cinerea (the causal agent of grey mould) populations on grapes to several fungicides. We carried out a two-year survey (four collection dates) on three treated/untreated pairs of plots from vineyards in Champagne (France), and monitored the frequency of four resistant phenotypes that are unambiguously associated to four distinct genotypes...
February 23, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28231295/the-pathogens-profile-in-children-with-otitis-media-with-effusion-and-adenoid-hypertrophy
#3
G P Buzatto, E Tamashiro, J L Proenca-Modena, T H Saturno, M C Prates, T B Gagliardi, L R Carenzi, E T Massuda, M A Hyppolito, F C P Valera, E Arruda, W T Anselmo-Lima
OBJECTIVES: To evaluate the presence of viruses and bacteria in middle ear and adenoids of patients with and without otitis media with effusion (OME). METHODS: Adenoid samples and middle ear washes (MEW) were obtained from children with OME associated with adenoid hypertrophy undergoing adenoidectomy and tympanostomy, and compared to those obtained from patients undergoing cochlear implant surgery, as a control group. Specific DNA or RNA of 9 respiratory viruses (rhinovirus, influenza virus, picornavirus, syncytial respiratory virus, metapneumovirus, coronavirus, enterovirus, adenovirus and bocavirus) and 5 bacteria (S...
2017: PloS One
https://www.readbyqxmd.com/read/28231239/surveillance-for-health-care-access-and-health-services-use-adults-aged-18-64-years-behavioral-risk-factor-surveillance-system-united-states-2014
#4
Catherine A Okoro, Guixiang Zhao, Jared B Fox, Paul I Eke, Kurt J Greenlund, Machell Town
PROBLEM/CONDITION: As a result of the 2010 Patient Protection and Affordable Care Act, millions of U.S. adults attained health insurance coverage. However, millions of adults remain uninsured or underinsured. Compared with adults without barriers to health care, adults who lack health insurance coverage, have coverage gaps, or skip or delay care because of limited personal finances might face increased risk for poor physical and mental health and premature mortality. PERIOD COVERED: 2014...
February 24, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28230450/characteristics-and-medication-use-of-psoriasis-patients-who-may-or-may-not-qualify-for-randomized-controlled-trials
#5
William Malatestinic, Beth Nordstrom, Jashin J Wu, Orin Goldblum, Kathleen Solotkin, Chen-Yen Lin, Kristin Kistler, Kathy Fraeman, Joseph Johnston, Lcdr Lesley Hawley, Nicholas Sicignano, Andre Araujo
BACKGROUND: Clinical trials impose exclusion criteria that may limit the generalizability of results. OBJECTIVES: To (a) determine the percentage of real-world patients who would qualify for psoriasis randomized controlled trials; (b) ascertain differences between moderate-to-severe psoriasis patients who would be eligible, ineligible, or potentially eligible for clinical trials; and (c) compare their biologic treatment patterns. METHODS: Moderate-to-severe psoriasis patients were identified from the U...
March 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28230446/economic-impact-of-treatment-duration-and-persistence-with-basal-insulin-in-previously-insulin-naive-users
#6
Samaneh Kalirai, Ran Duan, Dongju Liu, Beverly L Reed
BACKGROUND: Although insulin is a well-established therapy that is associated with improved clinical outcomes, adherence and persistence with insulin regimens are poor in patients with type 2 diabetes mellitus (T2DM). Diabetes-related health care costs and the impact of insulin persistence patterns on these health care costs have been previously studied; however, these aspects of insulin therapy have limited data beyond the first year of use and have not been characterized among patients previously naive to basal insulin...
March 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28230421/medicare-expenditure-correlates-of-atrophy-and-cerebrovascular-disease-in-older-adults
#7
Briana S Last, Maria-José García Rubio, Carolyn W Zhu, Stephanie Cosentino, Jennifer J Manly, Charles DeCarli, Yaakov Stern, Adam M Brickman
: Background/Study Context: Magnetic resonance imaging (MRI) markers of cerebrovascular disease and atrophy are common in older adults and are associated with cognitive and medical burden. However, the extent to which they are related to health care expenditures has not been examined. We studied whether increased Medicare expenditures were associated with brain markers of atrophy and cerebrovascular disease in older adults. METHODS: A subset of participants (n = 592; mean age = 80 years; 66% women) from the Washington Heights Inwood Columbia Aging Project (WHICAP), a community-based observational study of aging in upper Manhattan, received high-resolution MRI and had Medicare expenditure data on file...
March 2017: Experimental Aging Research
https://www.readbyqxmd.com/read/28230298/vitamin-e-nanoemulsion-activity-on-stored-red-blood-cells
#8
C A L Silva, C A Azevedo Filho, G Pereira, D C N Silva, M C A B Castro, A F Almeida, S C A Lucena, B S Santos, M L Barjas-Castro, A Fontes
BACKGROUND: Stored red blood cells (RBCs) undergo numerous changes that have been termed RBC storage lesion, which can be related to oxidative damage. Vitamin E is an important antioxidant, acting on cell lipids. Thus, this study aimed to investigate vitamin E activity on stored RBCs. METHODS: We prepared a vitamin E nanoemulsion that was added to RBC units and stored at 4 °C. Controls, without vitamin E, were kept under the same conditions. Reactive oxygen species (ROS) production was monitored for up to 35 days of storage...
February 23, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28230270/a-phase-2-study-of-lenalidomide-rituximab-cyclophosphamide-and-dexamethasone-lr-cd-for-untreated-low-grade-non-hodgkin-lymphoma-requiring-therapy
#9
Allison Rosenthal, Amylou C Dueck, Stephen Ansell, Katherine Gano, Christopher Conley, Grzegorz S Nowakowski, John Camoriano, Jose F Leis, Joseph R Mikhael, A Keith Stewart, David Inwards, David Dingli, Shaji Kumar, Pierre Noel, Morie Gertz, Luis Porrata, Stephen Russell, Joseph Colgan, Rafael Fonseca, Thomas M Habermann, Prashant Kapoor, Francis Buadi, Nelson Leung, Rodger Tiedemann, Thomas E Witzig, Craig Reeder
Patients with indolent NHL have multiple treatment options yet there is no consensus as to the best initial therapy. Lenalidomide, an immunomodulatory agent, has single agent activity in relapsed lymphoma. This trial was conducted to assess feasibility, efficacy and safety of adding lenalidomide to rituximab, cyclophosphamide, and dexamethasone (LR-CD) in untreated indolent NHL patients requiring therapy. This was a single institution phase II trial. Treatment consisted of IV rituximab 375mg/m(2) day 1, oral lenalidomide 20mg days 1-21, cyclophosphamide 250mg/m(2) days 1, 8, 15, and dexamethasone 40mg days 1, 8, 15, 22, of a 28-day cycle...
February 23, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28228478/an-engineered-tgf-%C3%AE-monomer-that-functions-as-a-dominant-negative-to-block-tgf-%C3%AE-signaling
#10
Sun Kyung Kim, Lindsey Barron, Cynthia S Hinck, Elyse M Petrunak, Kristin E Cano, Avinash Thangirala, Brian Iskra, Molly Brothers, Machell Vonberg, Belinda Leal, Blair Richter, Ravindra Kodali, Alex B Taylor, Shoucheng Du, Christopher O Barnes, Traian Sulea, Guillermo Calero, P John Hart, Matthew J Hart, Borries Demeler, Andrew P Hinck
The transforming growth factor beta isoforms, TGF-β1, -β2, and -β3 are small secreted homodimeric signaling proteins with essential roles in regulating the adaptive immune system and maintaining the extracellular matrix. However, dysregulation of the TGF-β pathway is responsible for promoting the progression of several human diseases, including cancer and fibrosis. In spite of the known importance of TGF-βs in promoting disease progression, no inhibitors have been approved for use in humans. Herein, we describe an engineered TGF-β monomer, lacking the heel helix, a structural motif essential for binding the TGF-β type I receptor, TβRI, but dispensible for binding the other receptor required for TGF-β signaling, the TGF-β type II receptor, TβRII, as an alternative therapeutic modality for blocking TGF-β signaling in humans...
February 22, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28228332/calorically-restricted-diets-decrease-pcsk9-in-overweight-adolescents
#11
A E Levenson, C E Milliren, S B Biddinger, C B Ebbeling, H A Feldman, D S Ludwig, S D de Ferranti
BACKGROUND AND AIMS: Nutritional therapy is the first line approach to treatment of hyperlipidemia in childhood. Proprotein convertase subtilisin kexin type 9 (PCSK9) is a key regulator of plasma cholesterol levels and a target of novel lipid-lowering pharmacotherapies. We examined the effects of an intensive nutritional intervention on PCSK9 levels in overweight adolescents with cardiovascular disease (CVD) risk factors. METHODS AND RESULTS: Twenty seven obese and overweight adolescents with CVD risk factors were assigned to either a low fat or low glycemic load diet...
January 3, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28228245/legionellosis-acquired-through-a-dental-unit-a-case-study
#12
C Schönning, C Jernberg, D Klingenberg, S Andersson, A Pääjärvi, E Alm, E Tano, B Lytsy
In 2012, an elderly immunocompromised man died from legionellosis at a hospital in Uppsala, Sweden. The patient had visited a dental ward at the hospital during the incubation period. Legionella spp. at a concentration of 2000 colony-forming units/L were isolated from the cupfiller outlet providing water for oral rinsing. Isolates from the patient and the dental unit were Legionella pneumophila serogroup 1, subgroup Knoxville and ST9. Pulsed-field gel electrophoresis and whole-genome sequencing strongly suggested that the isolates were of common origin...
January 20, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28227681/wearable-impedance-monitoring-system-for-dialysis-patients
#13
S Bonnet, A Bourgerette, S Gharbi, C Rubeck, W Arkouche, B Massot, E McAdams, A Montalibet, P Jallon, S Bonnet, A Bourgerette, S Gharbi, C Rubeck, W Arkouche, B Massot, E McAdams, A Montalibet, P Jallon, A Bourgerette, B Massot, P Jallon, C Rubeck, S Gharbi, A Montalibet, W Arkouche, S Bonnet, E McAdams
This paper describes the development and the validation of a prototype wearable miniaturized impedance monitoring system for remote monitoring in home-based dialysis patients. This device is intended to assess the hydration status of dialysis patients using calf impedance measurements. The system is based on the low-power AD8302 component. The impedance calibration procedure is described together with the Cole parameter estimation and the hydric volume estimation. Results are given on a test cell to validate the design and on preliminary calf measurements showing Cole parameter variations during hemodialysis...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227503/suitability-of-nitinol-electrodes-in-neural-prostheses-such-as-endovascular-neural-interfaces
#14
Yan T Wong, Nicholas L Opie, Sam E John, Giulia Gerboni, Gil S Rind, Stephen M Ronayne, Kate E Fox, Thomas J Oxley, David B Grayden, Yan T Wong, Nicholas L Opie, Sam E John, Giulia Gerboni, Gil S Rind, Stephen M Ronayne, Kate E Fox, Thomas J Oxley, David B Grayden, Sam E John, Stephen M Ronayne, David B Grayden, Nicholas L Opie, Kate E Fox, Giulia Gerboni, Thomas J Oxley, Yan T Wong, Gil S Rind
A major challenge facing neural prostheses is the development of electrodes that are well tolerated by the brain and body. A novel way to circumvent the need to perform an invasive craniotomy and penetration of the blood-brain barrier to implant electrodes, is to guide electrodes up into the cerebral veins and place electrodes on the vessel walls adjacent to neuronal populations. To aid in the development of these stent based devices, microelectrodes manufactured from Nitinol would allow electrodes to be implanted via a catheter and then once deployed, alter their shape to conform to the vessel walls...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227501/feasibility-of-a-chronic-minimally-invasive-endovascular-neural-interface
#15
Nicholas L Opie, Gil S Rind, Sam E John, Stephen M Ronayne, David B Grayden, Anthony N Burkitt, Clive N May, Terence J O'Brien, Thomas J Oxley, Nicholas L Opie, Gil S Rind, Sam E John, Stephen M Ronayne, David B Grayden, Anthony N Burkitt, Clive N May, Terence J O'Brien, Thomas J Oxley, Sam E John, Stephen M Ronayne, David B Grayden, Nicholas L Opie, Anthony N Burkitt, Terence J O'Brien, Clive N May, Thomas J Oxley, Gil S Rind
Development of a neural interface that can be implanted without risky, open brain surgery will increase the safety and viability of chronic neural recording arrays. We have developed a minimally invasive surgical procedure and an endovascular electrode-array that can be delivered to overlie the cortex through blood vessels. Here, we describe feasibility of the endovascular interface through electrode viability, recording potential and safety. Electrochemical impedance spectroscopy demonstrated that electrode impedance was stable over 91 days and low frequency phase could be used to infer electrode incorporation into the vessel wall...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227494/localised-impedance-monitoring-device-for-the-remote-clinical-assessment-of-home-based-dialysis-patients
#16
A Montalibet, W Arkouche, P Bogonez Franco, S Bonnet, A Clarion, G Delhomme, C Gehin, S Gharbi, R Guillemaud, P Jallon, B Massot, P Pham, E Ribbe-Cornet, E McAdams, A Montalibet, W Arkouche, P Bogonez Franco, S Bonnet, A Clarion, G Delhomme, C Gehin, S Gharbi, R Guillemaud, P Jallon, B Massot, P Pham, E Ribbe-Cornet, E McAdams, B Massot, P Pham, A Montalibet, P Jallon, E Ribbe-Cornet, P Bogonez Franco, G Delhomme, S Bonnet, R Guillemaud, W Arkouche, A Clarion, C Gehin, S Gharbi, E McAdams
BioImpedance Spectroscopy (BIS) has been clinically used to determine the hydrational status of patients undergoing haemodialysis (HD). In the present project we are developing a calf-localised, integrated impedimetric device to periodically and conveniently measure and transmit information on the hydrational status of home-based patients to a remote clinic. Surprisingly, we have found that simple postural changes before or during measurement lead to significant fluid shifts in the lower leg that are as important and as long lasting as the effects of haemodialysis...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227469/building-a-more-diverse-biomedical-engineering-workforce-biomedical-engineering-at-the-university-of-the-district-of-columbia-a-historically-black-college-university
#17
Lara A Thompson, A Segun Adebayo, Nian Zhang, Sasan Haghani, Kathleen Dowell, Devdas Shetty, Lara A Thompson, A Segun Adebayo, Nian Zhang, Sasan Haghani, Kathleen Dowell, Devdas Shetty, A Segun Adebayo, Sasan Haghani, Kathleen Dowell, Lara A Thompson, Devdas Shetty, Nian Zhang
Biomedical Engineering (BME) is a new, multidisciplinary, and rapidly growing field, however, the BME Workforce suffers from limited ethnic and gender diversity. Despite the demand and growth of this new field due to its public health importance, only 4 out of the 107 Historically Black Colleges and Universities (HBCUs) nationwide offers a Bachelor's of Science (B.S.) in Bio-Engineering related fields. In order to contribute to a growing BME Workforce, HBCUs need to react and offer more degree-programs relevant to BME...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227379/parallel-generation-of-digitally-reconstructed-radiographs-on-heterogeneous-multi-gpu-workstations
#18
Marwan Abdellah, Asem Abdelaziz, E M B S Eslam Ali, Sherief Abdelaziz, Abdelrahman Sayed, Mohamed I Owis, Ayman Eldeib, Marwan Abdellah, Asem Abdelaziz, E M B S Eslam Ali, Sherief Abdelaziz, Abdelrahman Sayed, Mohamed I Owis, Ayman Eldeib, Sherief Abdelaziz, Mohamed I Owis, Abdelrahman Sayed, Marwan Abdellah, Asem Abdelaziz, Eslam Ali, Ayman Eldeib
The growing importance of three-dimensional radiotherapy treatment has been associated with the active presence of advanced computational workflows that can simulate conventional x-ray films from computed tomography (CT) volumetric data to create digitally reconstructed radiographs (DRR). These simulated x-ray images are used to continuously verify the patient alignment in image-guided therapies with 2D-3D image registration. The present DRR rendering pipelines are quite limited to handle huge imaging stacks generated by recent state-of-the-art CT imaging modalities...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227176/a-novel-method-to-assess-angle-sensor-performance-for-wearable-exoskeletal-joint-kinematics
#19
Nicholas B Bolus, Geza F Kogler, Omer T Inan, Nicholas B Bolus, Geza F Kogler, Omer T Inan, Geza F Kogler, Omer T Inan, Nicholas B Bolus
Full range of motion (ROM) at a joint is necessary for efficient and adaptive movement; as such, it is an essential clinical evaluation measure for assessing an individual's motor function, which can be affected by any number of musculoskeletal injuries and neuropathies. Measurement of joint ROM in the clinic has classically been accomplished statically through the use of a manual goniometer. More recent efforts in the fields of prosthetics and orthotics have demonstrated the potential utility of wearable systems (e...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227137/selective-heart-rate-variability-analysis-to-account-for-uterine-activity-during-labor-and-improve-classification-of-fetal-distress
#20
G J J Warmerdam, R Vullings, J O E H Van Laar, M B Van der Hout-Van der Jagt, J W M Bergmans, L Schmitt, S G Oei, G J J Warmerdam, R Vullings, J O E H Van Laar, M B Van der Hout-Van der Jagt, J W M Bergmans, L Schmitt, S G Oei, M B Van Der Hout-Van Der Jagt, R Vullings, S G Oei, J O E H Van Laar, J W M Bergmans, G J J Warmerdam, L Schmitt
Cardiotocography (CTG) is currently the most often used technique for detection of fetal distress. Unfortunately, CTG has a poor specificity. Recent studies suggest that, in addition to CTG, information on fetal distress can be obtained from analysis of fetal heart rate variability (HRV). However, uterine contractions can strongly influence fetal HRV. The aim of this study is therefore to investigate whether HRV analysis for detection of fetal distress can be improved by distinguishing contractions from rest periods...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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