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https://www.readbyqxmd.com/read/28087649/identification-of-unique-essential-proteins-from-a-m-tuberculosis-f15-lam4-kzn-phage-secretome-library
#1
Thamsanqa Emmanuel Chiliza, Manormoney Pillay, Balakrishna Pillay
Mycobacterium tuberculosis (Mtb) is the causative agent of tuberculosis disease (TB), the leading cause of death from bacterial infection worldwide. Although treatable, the resurgence of multi- and extensively-drug resistance TB is a major setback for the fight against TB globally. Consequently, there is an urgent need for new Mtb derived biomarkers for use in the design of new drugs and rapid point-of-care diagnostic or prognostic tools for management of TB transmission. Therefore, the present study aimed to identify unique Mtb secreted proteins from the extensively drug resistant Mtb F15/LAM4/KZN phage secretome library...
January 12, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28087291/primary-care-perspectives-on-hepatitis-c-virus-screening-diagnosis-and-linking-patients-to-appropriate-care
#2
Edward Lebovics, Richard Torres, Lucinda K Porter
Enormous progress has been made in recent years toward effectively treating and curing patients with chronic hepatitis C (CHC). However, at least half of the possible 7 million individuals infected with hepatitis C virus (HCV) in the US remain undiagnosed. The formidable task of increasing the number of patients diagnosed, and subsequently linked to appropriate care has fallen to primary care clinicians, who are mandated by some US States to offer screening to individuals born between 1945 and 1965 (the Baby Boomer Generation)...
January 10, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28087089/point-of-care-ultrasound-diagnosis-of-posterior-sternoclavicular-joint-dislocation
#3
Rachel R Bengtzen, Ryan C Petering
BACKGROUND: Posterior sternoclavicular dislocations can be challenging diagnostically, as traumatic force often happens to the lateral shoulder rather than directly to the sternoclavicular joint. Shoulder radiographs do not illustrate the sternoclavicular joint well, and can miss the diagnosis. This injury, however, has the potential for life-threatening complications due to proximity of mediastinal structures that might also be injured. CASE REPORT: The following case illustrates a delayed diagnosis of posterior sternoclavicular dislocation...
January 10, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28086864/direct-detection-of-falciparum-and-non-falciparum-malaria-dna-from-a-drop-of-blood-with-high-sensitivity-by-the-dried-lamp-system
#4
Kyoko Hayashida, Kiichi Kajino, Humphrey Simukoko, Martin Simuunza, Joseph Ndebe, Amos Chota, Boniface Namangala, Chihiro Sugimoto
BACKGROUND: Because of the low sensitivity of conventional rapid diagnostic tests (RDTs) for malaria infections, the actual prevalence of the diseases, especially those caused by non-Plasmodium falciparum (non-Pf) species, in asymptomatic populations remain less defined in countries lacking in well-equipped facilities for accurate diagnoses. Our direct blood dry LAMP system (CZC-LAMP) was applied to the diagnosis of malaria as simple, rapid and highly sensitive method as an alternative for conventional RDTs in malaria endemic areas where laboratory resources are limited...
January 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28086771/naturalistic-study-of-guideline-implementation-tool-use-via-evaluation-of-website-access-and-physician-survey
#5
Melissa J Armstrong, Gary S Gronseth, Richard Dubinsky, Sonja Potrebic, Rebecca Penfold Murray, Thomas S D Getchius, Carol Rheaume, Anna R Gagliardi
BACKGROUND: Clinical guidelines support decision-making at the point-of-care but the onus is often on individual users such as physicians to implement them. Research shows that the inclusion of implementation tools in or with guidelines (GItools) is associated with guideline use. However, there is little research on which GItools best support implementation by individual physicians. The purpose of this study was to investigate naturalistic access and use of GItools produced by the American Academy of Neurology (AAN) to inform future tool development...
January 13, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28079974/findings-from-a-pilot-study-bringing-evidence-based-practice-to-the-bedside
#6
Mary Ann Friesen, Joni M Brady, Renee Milligan, Patricia Christensen
BACKGROUND: To translate research supporting inpatient care outcomes and provide evidence-based care, registered nurses (RNs) need continuing education and mentoring support to adopt evidence-based practice (EBP). AIMS: The aim of this study was to assess a demonstration project intended to pilot and evaluate a structured EBP education with mentoring innovation for nurses in a multihospital system. METHODS: Nurses from five units in five hospitals were included in an education with mentoring innovation to implement the Johns Hopkins Nursing Evidence-Based Practice Model and the Advancing Research and Clinical practice through close Collaboration (ARCC) Model...
January 12, 2017: Worldviews on Evidence-based Nursing
https://www.readbyqxmd.com/read/28079592/implementation-science-the-laboratory-as-a-command-centre
#7
Debrah I Boeras, John N Nkengasong, Rosanna W Peeling
PURPOSE OF REVIEW: Recent advances in point-of-care technologies to ensure universal access to affordable quality-assured diagnostics have the potential to transform patient management, surveillance programmes, and control of infectious diseases. Decentralization of testing can put tremendous stresses on fragile health systems if the laboratory is not involved in the planning, introduction, and scale-up strategies. RECENT FINDINGS: The impact of investments in novel technologies can only be realized if these tests are evaluated, adopted, and scaled up within the healthcare system with appropriate planning and understanding of the local contexts in which these technologies will be used...
January 11, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28079591/point-of-care-diagnostics-extending-the-laboratory-network-to-reach-the-last-mile
#8
Paul K Drain, Christine Rousseau
PURPOSE OF REVIEW: More point-of-care (POC) diagnostic tests are becoming available for HIV diagnosis and treatment in resource-limited settings. These novel technologies have the potential to foster decentralized HIV care and treatment for the benefit of clinical laboratories, HIV clinics, and HIV-infected patients. There continue to be many business, technological, and operational challenges that limit product development and regulatory approval, which limits products available for the required operational and cost-effectiveness studies and delays policy adoption and implementation...
January 11, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28077751/performance-of-health-workers-using-an-electronic-algorithm-for-the-management-of-childhood-illness-in-tanzania-a-pilot-implementation-study
#9
Clotilde Rambaud-Althaus, Amani Shao, Josephine Samaka, Ndeniria Swai, Seneca Perri, Judith Kahama-Maro, Marc Mitchell, Valérie D'Acremont, Blaise Genton
In low-resource settings, where qualified health workers (HWs) are scarce and childhood mortality high, rational antimicrobial prescription for childhood illnesses is a challenge. To assess whether smartphones running guidelines, as compared with paper support, improve consultation process and rational use of medicines for children, a pilot cluster-randomized controlled study was conducted in Tanzania. Nine primary health-care facilities (HFs) were randomized into three arms: 1) paper algorithm, 2) electronic algorithm on a smartphone, and 3) control...
January 11, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28077700/evaluation-of-alere%C3%A2-i-rsv-for-rapid-detection-of-respiratory-syncytial-virus-in-children-hospitalized-with-acute-respiratory-tract-infection
#10
Rebecca Marie Peters, Sarah Valerie Schnee, Julia Tabatabai, Paul Schnitzler, Johannes Pfeil
Alere™ i RSV is a novel rapid test which applies a nicking enzyme amplification reaction to detect respiratory syncytial virus in point-of-care settings. In this study, we evaluated the Alere™ i RSV assay by using frozen nasopharyngeal swab samples that were collected in viral transport medium from children hospitalized with acute respiratory tract infection during winter season 2015/2016. Alere™ i RSV assay test results were compared to Altona® RealStar RSV real-time reverse transcription PCR (RT-PCR)...
January 11, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28077093/evaluation-of-the-point-of-care-becton-dickinson-veritor%C3%A2-rapid-influenza-diagnostic-test-in-kenya-2013-2014
#11
Linus K Ndegwa, Gideon Emukule, Timothy M Uyeki, Eunice Mailu, Sandra S Chaves, Marc-Alain Widdowson, Bandika V Lewa, Francis K Muiruri, Peter Omoth, Barry Fields, Joshua A Mott
BACKGROUND: We evaluated the performance of the Becton Dickinson Veritor™ System Flu A + B rapid influenza diagnostic test (RIDT) to detect influenza viruses in respiratory specimens from patients enrolled at five surveillance sites in Kenya, a tropical country where influenza seasonality is variable. METHODS: Nasal swab (NS) and nasopharyngeal (NP)/oropharyngeal (OP) swabs were collected from patients with influenza like illness and/or severe acute respiratory infection...
January 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28077058/imaging-investigations-before-referral-to-a-sarcoma-center-delay-the-final-diagnosis-of-musculoskeletal-sarcoma
#12
Heidi Buvarp Dyrop, Peter Vedsted, Mathias Rædkjær, Akmal Safwat, Johnny Keller
Background and purpose - The use of point-of-care or local investigations before referral to specialist sarcoma centers as part of a fast-track diagnostic pathway varies, and may affect the time to diagnosis. We wanted to investigate differences in time intervals and proportion of malignancy in patients who were referred after initial diagnostic investigations were performed locally and in patients who were referred without these investigations. Patients and methods - We included 545 consecutive patients who were referred to Aarhus Sarcoma Center for suspected musculoskeletal sarcoma...
January 12, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28075337/implementation-of-point-of-care-diagnostics-in-rural-primary-healthcare-clinics-in-south-africa-perspectives-of-key-stakeholders
#13
Tivani P Mashamba-Thompson, Ngcwalisa A Jama, Benn Sartorius, Paul K Drain, Rowan M Thompson
INTRODUCTION: Key stakeholders' involvement is crucial to the sustainability of quality point-of-care (POC) diagnostics services in low-and-middle income countries. The aim of this study was to explore key stakeholder perceptions on the implementation of POC diagnostics in rural primary healthcare (PHC) clinics in South Africa. METHOD: We conducted a qualitative study encompassing in-depth interviews with multiple key stakeholders of POC diagnostic services for rural and resource-limited PHC clinics...
January 8, 2017: Diagnostics
https://www.readbyqxmd.com/read/28074509/editorial-volatile-organic-compounds-in-irritable-bowel-syndrome-technology-for-an-accurate-and-reliable-point-of-care-test
#14
EDITORIAL
R Sood, A C Ford
No abstract text is available yet for this article.
February 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28073898/two-stage-isothermal-enzymatic-amplification-for-concurrent-multiplex-molecular-detection
#15
Jinzhao Song, Changchun Liu, Michael G Mauk, Shelley C Rankin, James B Lok, Robert M Greenberg, Haim H Bau
BACKGROUND: The wide array of pathogens responsible for infectious diseases makes it difficult to identify causative pathogens with single-plex tests. Although multiplex PCR detects multiple targets, it is restricted to centralized laboratories, which delays test results or makes multiplexing unavailable, depriving healthcare providers of critical, real-time information. METHODS: To address the need for point-of-care (POC) highly multiplexed tests, we propose the 2-stage, nested-like, rapid (<40 min) isothermal amplification assay, dubbed rapid amplification (RAMP)...
January 10, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28073795/in-patients-presenting-to-the-emergency-department-with-skin-and-soft-tissue-infections-what-is-the-diagnostic-accuracy-of-point-of-care-ultrasonography-for-the-diagnosis-of-abscess-compared-to-the-current-standard-of-care-a-systematic-review-and-meta-analysis
#16
David Barbic, Jordan Chenkin, Dennis D Cho, Tomislav Jelic, Frank X Scheuermeyer
OBJECTIVES: The primary objective of this systematic review was to determine the accuracy of point-of-care ultrasonography (POCUS) in diagnosing abscess in emergency department (ED) patients with skin and soft tissue infections (SSTI). The secondary objective was the accuracy of POCUS in the paediatric population subgroup. SETTING: Prospective studies set in emergency departments. PARTICIPANTS: Emergency department patients (adult and paediatric) presenting with SSTI and suspected abscess...
January 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28073593/integrative-cardiopulmonary-ultrasound-for-interstitial-lung-disease-assessment-correlation-between-lung-ultrasound-performance-and-cardiac-involvement
#17
Wei-Wei Zhu, Yi-Dan Li, Hong Li, Xiu-Zhang Lu, Ling-Yun Kong, Xiao-Guang Ye, Qi-Zhe Cai, Lan-Lan Sun, Wei Jiang, Li Wang
The aims of this study were to apply integrative cardiopulmonary ultrasound (thoracic ultrasound) to the evaluation of patients with interstitial lung disease (ILD) and to determine the relationship between lung ultrasound signs and echocardiographic parameters such as systolic pulmonary artery pressure (SPAP) and various right ventricular parameters. ILD patients and healthy controls underwent lung ultrasound (LUS) and echocardiographic tests. In addition to traditional echocardiographic parameters, right ventricular free wall longitudinal strain (RVLS_FW) was measured using 2-D speckle-tracking echocardiography...
January 7, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28073029/multiplexed-efficient-on-chip-sample-preparation-and-sensitive-amplification-free-detection-of-ebola-virus
#18
K Du, H Cai, M Park, T A Wall, M A Stott, K J Alfson, A Griffiths, R Carrion, J L Patterson, A R Hawkins, H Schmidt, R A Mathies
An automated microfluidic sample preparation multiplexer (SPM) has been developed and evaluated for Ebola virus detection. Metered air bubbles controlled by microvalves are used to improve bead-solution mixing thereby enhancing the hybridization of the target Ebola virus RNA with capture probes bound to the beads. The method uses thermally stable 4-formyl benzamide functionalized (4FB) magnetic beads rather than streptavidin coated beads with a high density of capture probes to improve the target capture efficiency...
January 3, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28072904/resistance-diagnosis-and-the-changing-economics-of-antibiotic-discovery
#19
David McAdams
Point-of-care diagnostics that can determine an infection's antibiotic sensitivity increase the profitability of new antibiotics that enjoy patent protection, even when such diagnostics reduce the quantity of antibiotics sold. Advances in the science and technology underpinning rapid resistance diagnostics can therefore be expected to spur efforts to discover and develop new antibiotics, especially those with a narrow spectrum of activity that would otherwise fail to find a market.
January 10, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28072878/signal-amplified-lateral-flow-test-strip-for-visual-detection-of-cu2
#20
Yulong Wang, Limin Wang, Juanjuan Xue, Jinbo Dong, Jia Cai, Xiude Hua, Minghua Wang, Cunzheng Zhang, Fengquan Liu
A signal-amplified lateral flow test strip (SA-LFTS) for the detection of Cu2+ in aqueous solution was constructed based on Cu+-catalyzed click chemistry and hybridization of single-stranded DNA (ssDNA). Alkyne and azide modified ssDNA acted as specific elements for Cu2+ recognition, and a chemical ligation product formed through Cu+-catalyzed alkyne-azide cycloaddition. Hybridization of ssDNA-labeled gold nanoparticles resulted in high sensitivity, and the output signal could be observed directly by the naked eye...
2017: PloS One
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