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https://www.readbyqxmd.com/read/27913318/walsh-hadamard-based-3d-steganography-for-protecting-sensitive-information-in-point-of-care
#1
Alsharif Abuadbba, Ibrahim Khalil
Remote points-of-care has recently had a lot of attention for their advantages such as saving lives and cost reduction. The transmitted streams usually contain (1) normal biomedical signals (e.g. ECG) and (2) highly private information (e.g. patient identity). Despite the obvious advantages, the primary concerns are privacy and authenticity of the transferred data. Therefore, this paper introduces a novel steganographic mechanism that ensures (1) strong privacy preservation of private information by random concealing inside the transferred signals employing a key, and (2) evidence of originality for the biomedical signals...
November 29, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/27911966/point-of-care-ultrasound-in-internal-medicine-challenges-and-opportunities-for-expanding-use
#2
John Kugler
No abstract text is available yet for this article.
December 2016: Southern Medical Journal
https://www.readbyqxmd.com/read/27911908/uptake-of-community-based-peer-administered-hiv-point-of-care-testing-findings-from-the-proud-study
#3
Lisa Lazarus, Sheetal Patel, Ashley Shaw, Sean Leblanc, Christine Lalonde, Manisha Hladio, Kira Mandryk, Cynthia Horvath, William Petrcich, Claire Kendall, Mark W Tyndall
OBJECTIVES: HIV prevalence among people who inject drugs (PWID) in Ottawa is estimated at about 10%. The successful integration of peers into outreach efforts and wider access to HIV point-of-care testing (POCT) create opportunities to explore the role of peers in providing HIV testing. The PROUD study, in partnership with Ottawa Public Health (OPH), sought to develop a model for community-based peer-administered HIV POCT. METHODS: PROUD draws on community-based participatory research methods to better understand the HIV risk environment of people who use drugs in Ottawa...
2016: PloS One
https://www.readbyqxmd.com/read/27910720/the-management-of-infection-with-mycobacterium-tuberculosis-in-young-children-post-2015-an-opportunity-to-close-the-policy-practice-gap
#4
Stephen M Graham
The treatment of infection with Mycobacterium tuberculosis in young children is supported by universal policy based on strong rationale and evidence of effectiveness, but has rarely been implemented in tuberculosis endemic countries. Areas covered: This review highlights a number of important recent developments that provide an unprecedented opportunity to close the policy-practice gap, as well as ongoing needs to facilitate implementation under programmatic conditions and scale-up. Expert commentary: The WHO's End TB Strategy and Stop TB Partnership's Plan to End TB provide ambitious targets for prevention at a time when National Tuberculosis Programs in tuberculosis endemic countries are increasing attention to the challenges of management and prevention of tuberculosis disease in children...
December 2, 2016: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/27907937/tranexamic-acid-for-trauma-resuscitation-in-the-united-states-of-america
#5
Mark Walsh, Scott Thomas, Ernest Moore, Hunter Moore, Andres Piscoya, Daniel Hake, Michael Son, Tim Pohlman, Julie Wegner, John Bryant, Alberto Grassetto, Patrick Davis, Nathan Nielsen, Anton Crepinsek, Jacob T Shreve, Francis Castellino
The utilization of tranexamic acid (TXA) for the management of bleeding trauma patients has been a subject of much debate on both sides of the Atlantic and in Australia. As a result of the large randomized controlled study called the Clinical Randomization of an Antifibrinolytic in Severe Hemorrhage (CRASH-2), there was an initial enthusiasm for the use of TXA to treat bleeding patients. However, the adoption of TXA in the United States was delayed by concerns of "knowledge and evidence gaps" of the CRASH-2 study and because of a lack of mechanistic rationale that would explain the survival benefit noted in the study...
December 1, 2016: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/27906513/smartphone-based-portable-wireless-optical-system-for-the-detection-of-target-analytes
#6
Shreedhar Gautam, Bhagwan S Batule, Hyo Yong Kim, Ki Soo Park, Hyun Gyu Park
Rapid and accurate on-site wireless measurement of hazardous molecules or biomarkers is one of the biggest challenges in nanobiotechnology. We herein describe a novel smartphone-based Portable and Wireless Optical System (PAWS) for rapid, quantitative, and on-site analysis of target analytes. As a proof-of-concept, we employed gold nanoparticles (GNP) and an enzyme, horse radish peroxidase (HRP), to generate colorimetric signals in response to two model target molecules, melamine and hydrogen peroxide, respectively...
December 1, 2016: Biotechnology Journal
https://www.readbyqxmd.com/read/27904302/the-missing-link-evolving-accessibility-to-formulary-related-information
#7
Alison Van Rossum, Megan Holsopple, Julie Karpinski, Jordan Dow
BACKGROUND: Formulary management is a key component to ensuring the safe, effective, and fiscally responsible use of medications for health systems. One challenge in the formulary management process is making the most relevant formulary information easily accessible to practitioners involved in medication therapy decisions at the point of care. In September 2014, Froedtert and the Medical College of Wisconsin (F&MCW) implemented a commercial formulary management tool (CFMT) to improve accessibility to the recently aligned health-system formulary...
November 2016: P & T: a Peer-reviewed Journal for Formulary Management
https://www.readbyqxmd.com/read/27903834/saliva-diagnostics-current-views-and-directions
#8
Karolina Elżbieta Kaczor-Urbanowicz, Carmen Martin Carreras-Presas, Katri Aro, Michael Tu, Franklin Garcia-Godoy, David Tw Wong
In this review, we provide an update on the current and future applications of saliva for diagnostic purposes. There are many advantages of using saliva as a biofluid. Its collection is fast, easy, inexpensive, and non-invasive. In addition, saliva, as a "mirror of the body," can reflect the physiological and pathological state of the body. Therefore, it serves as a diagnostic and monitoring tool in many fields of science such as medicine, dentistry, and pharmacotherapy. Introduced in 2008, the term "Salivaomics" aimed to highlight the rapid development of knowledge about various "omics" constituents of saliva, including: proteome, transcriptome, micro-RNA, metabolome, and microbiome...
November 29, 2016: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27902602/sensitivity-and-specificity-of-dried-blood-spots-for-hiv-1-viral-load-quantification-a-laboratory-assessment-of-3-commercial-assays
#9
Pieter Pannus, Maarten Claus, Maria Mercedes Perez Gonzalez, Nathan Ford, Katrien Fransen
The use of dried blood spots (DBS) instead of plasma as a specimen type for HIV-1 viral load (VL) testing facilitates the decentralization of specimen collection and can increase access to VL testing in resource-limited settings. The performance of DBS for VL testing is lower, however, when compared to the gold standard sample type plasma. In this diagnostic accuracy study, we evaluated 3 VL assays with DBS.Participants were recruited between August 2012 and April 2015. Both plasma and DBS specimens were prepared and tested for HIV-1 VL with the Roche CAP/CTM HIV-1 test v2...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27900430/visible-and-red-emissive-molecular-beacons-for-optical-temperature-measurements-and-quality-control-in-diagnostic-assays-utilizing-temperature-dependent-amplification-reactions
#10
Zerrin Fidan, Andy Wende, Ute Resch-Genger
Quality control requirements imposed on assays used in clinical diagnostics and point-of-care-diagnostic testing (POCT), utilizing amplification reactions performed at elevated temperatures of 35 to 95 °C are very stringent. As the temperature of a reaction vessel has a large impact on the specificity and sensitivity of the amplification reaction, simple tools for local in situ temperature sensing and monitoring are required for reaction and assay control. We describe here a platform of stem-and-loop structured DNA hairpins (molecular beacons, MBs), absorbing and emitting in the visible and red spectral region, rationally designed for precise temperature measurements in microfluidic assays for POCT, and their application for temperature measurements in a common DNA-based molecular biological assay utilizing thermophilic helicase-dependent amplification (tHDA)...
November 29, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27899825/the-role-of-pharmacists-and-pharmacy-education-in-point-of-care-testing
#11
James P Kehrer, Deborah E James
Point-of-care testing (POCT) is defined as laboratory testing conducted close to the site of patient care. Although performed originally primarily by clinical staff for acute conditions, recent advances in technology have made such testing possible for disease screening and prevention across a wide range of conditions in virtually any setting, and often by individuals with little or no training. With the ongoing evolution in POCT, numerous concerns have arisen about the quality and accuracy of the tests, comparability between multiple tests for the same endpoint, interpretation of test results, and whether and how results should be used for therapeutic decisions and included in a patient's medical record...
October 25, 2016: American Journal of Pharmaceutical Education
https://www.readbyqxmd.com/read/27899699/a-smartphone-based-genotyping-method-for-hepatitis-b-virus-at-point-of-care-settings
#12
Huiqin Jiang, Di Wu, Liuwei Song, Quan Yuan, Shengxiang Ge, Xiaoping Min, Ningshao Xia, Shizhi Qian, Xianbo Qiu
We reported a rapid, convenient, and easy-to-use genotyping method for hepatitis B virus (HBV) based on the smartphone at point-of-care (POC) settings. To perform HBV genotyping especially for genotypes A, B, C, and D, a smartphone is used to image and analyze a one-step immunoassay lateral flow strip functionalized with genotype-specific monoclonal antibodies (mAbs) on multiple capture lines. A light-emitting diode (LED) positioned on the top of the lateral flow strip is used to shine the multiple capture lines for excitation...
November 29, 2016: Journal of Laboratory Automation
https://www.readbyqxmd.com/read/27898632/point-of-care-thoracic-ultrasonography-in-the-diagnosis-and-management-of-kaposiform-lymphangiomatosis
#13
Manu S Raam, Ara Festekjian, Marsha A Elkhunovich
Kaposiform lymphangiomatosis is a generalized lymphatic disorder complicated by consumptive coagulopathy and pericardial and pleural effusions. We present the case of a 13-year-old female adolescent given a diagnosis of a large pleural effusion by point-of-care thoracic ultrasonography, which led to further evaluation and diagnosis of this rare disorder. We review the use of point-of-care thoracic ultrasonography for the diagnosis of pleural effusion.
December 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27898631/traumatic-femoral-artery-thrombosis-diagnosed-by-point-of-care-ultrasonography-in-the-pediatric-emergency-department
#14
Sarah D Jones, Jason Fischer, Charisse Kwan, Mark Tessaro
Femoral artery injuries are a rare complication of blunt trauma in children that require expeditious diagnosis and treatment to prevent permanent limb dysfunction. Point-of-care ultrasonography of femoral vessels is a well-established emergency physician technique for ruling out deep vein thrombosis and guiding femoral vessel catheterization. We present the first report of a pediatric emergency physician diagnosing a traumatic femoral artery thrombus using point-of-care ultrasonography.
December 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27898388/impact-of-hba1c-testing-at-point-of-care-on-diabetes-management
#15
REVIEW
Oliver Schnell, J Benjamin Crocker, Jianping Weng
Diabetes is a highly prevalent disease also implicated in the development of several other serious complications like cardiovascular or renal disease. HbA1c testing is a vital step for effective diabetes management, however, given the low compliance to testing frequency and, commonly, a subsequent delay in the corresponding treatment modification, HbA1c at the point of care (POC) offers an opportunity for improvement of diabetes care. In this review, based on data from 1999 to 2016, we summarize the evidence supporting a further implementation of HbA1c testing at POC, discuss its limitations and propose recommendations for further development...
November 27, 2016: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/27896781/multiplex-biomarker-approaches-to-enable-point-of-care-testing-and-personalized-medicine
#16
Paul C Guest
This chapter describes how current and future innovations driven by application of multiplex biomarker techniques can help in earlier and more efficacious treatment of patients, suffering from the world's most devastating and costly diseases. The application of new miniaturized biosensors and transducers will enable point-of-care testing by facilitating analysis of a single drop of a blood within the time span of a visit to the doctor's office. It is anticipated that the scoring algorithms used with future tests will incorporate both biochemical and clinical data, resulting in specific profiles for each patient or tested subject to enable personalized medicine approaches...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27896779/multiplex-smartphone-diagnostics
#17
Juan L Martinez-Hurtado, Ali K Yetisen, Seok-Hyun Yun
Increasing computing power in smartphones allows for their transformation into point-of-care diagnostic devices. Mobile medical diagnostic applications enable utilization of the processing capabilities of smartphones through their cameras. Hardware attachments or stand-alone versions of smartphone diagnostics have the capability to revolutionize quantitative readouts. Here, we describe a protocol for quantifying commercial colorimetric diagnostic tests with a stand-alone smartphone application. This approach can be used in the multiplexed analyses of biomarker readouts...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27896755/the-application-of-multiplex-biomarker-techniques-for-improved-stratification-and-treatment-of-schizophrenia-patients
#18
Johann Steiner, Paul C Guest, Hassan Rahmoune, Daniel Martins-de-Souza
In the case of major psychiatric disorders such as schizophrenia, shortcomings in the conversion of scientific discoveries into newer and safer treatment options has led to a loss of confidence and precipitated a crisis for large pharmaceutical companies. This chapter describes how incorporation of multiplex biomarker approaches into the clinical pipeline can lead to better patient characterization, delivery of novel treatment approaches and help to renew efforts in this important area. The development of specific biomarker test panels for disease prediction should facilitate early intervention strategies, which may help to slow disease development or progression...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27895267/prototype-positive-control-wells-for-malaria-rapid-diagnostic-tests-prospective-evaluation-of-implementation-among-health-workers-in-lao-people-s-democratic-republic-and-uganda
#19
David Bell, John Baptist Bwanika, Jane Cunningham, Michelle Gatton, Iveth J González, Heidi Hopkins, Simon Peter S Kibira, Daniel J Kyabayinze, Mayfong Mayxay, Bbaale Ndawula, Paul N Newton, Koukeo Phommasone, Elizabeth Streat, René Umlauf
Rapid diagnostic tests (RDTs) are widely used for malaria diagnosis, but lack of quality control at point of care restricts trust in test results. Prototype positive control wells (PCW) containing recombinant malaria antigens have been developed to identify poor-quality RDT lots. This study assessed community and facility health workers' (HW) ability to use PCWs to detect degraded RDTs, the impact of PCW availability on RDT use and prescribing, and preferred strategies for implementation in Lao People's Democratic Republic (Laos) and Uganda...
November 28, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27894492/management-of-trauma-induced-coagulopathy-with-thrombelastography
#20
REVIEW
Eduardo Gonzalez, Ernest E Moore, Hunter B Moore
Viscoelastic assays, such as thrombelastography (TEG) and rotational thrombelastometry (ROTEM), have emerged as point-of-care tools that can guide the hemostatic resuscitation of bleeding injured patients. This article describes the role of TEG in contemporary trauma care by explaining this assay's methodology, clinical applications, and result interpretation through description of supporting studies to provide the reader with an evidence-based user's guide. Although TEG and ROTEM are assays based on the same viscoelastic principle, this article is focused on data supporting the use of TEG in trauma, because it is available in trauma centers in North America; ROTEM is mostly available in Europe...
January 2017: Critical Care Clinics
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