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https://www.readbyqxmd.com/read/29148720/a-dual-signal-readout-nanosphere-for-rapid-point-of-care-detection-of-ebola-virus-glycoprotein
#1
Jiao Hu, Yong-Zhong Jiang, Ling-Ling Wu, Zhen Wu, Yuhai Bi, Gary Wong, Xiang-Guo Qiu, Jian-Jun Chen, Dai-Wen Pang, Zhi-Ling Zhang
Rapid detection of highly contagious pathogens is the key to increasing the probability of survival and reducing infection rates. We developed a sensitive and quantitative lateral flow assay for detection of EBOV glycoprotein with a novel multifunctional nanosphere (RNs@Au) as a reporter. Each RNs@Au contains hundreds of quantum dots and dozens of Au nanoparticles and can achieve enhanced dual-signal readout (fluorescence signal for quantitative detection and colorimetric signal for visual detection). Antibody (Ab) and streptavidin (SA) were simultaneously modified onto the RNs@Au to label the target as well as to act as the signal enhancer...
November 17, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29147848/simultaneous-point-of-care-detection-of-anemia-and-sickle-cell-disease-in-tanzania-the-rapid-study
#2
Luke R Smart, Emmanuela E Ambrose, Kevin C Raphael, Adolfine Hokororo, Erasmus Kamugisha, Erika A Tyburski, Wilbur A Lam, Russell E Ware, Patrick T McGann
Both anemia and sickle cell disease (SCD) are highly prevalent across sub-Saharan Africa, and limited resources exist to diagnose these conditions quickly and accurately. The development of simple, inexpensive, and accurate point-of-care (POC) assays represents an important advance for global hematology, one that could facilitate timely and life-saving medical interventions. In this prospective study, Robust Assays for Point-of-care Identification of Disease (RAPID), we simultaneously evaluated a POC immunoassay (Sickle SCAN™) to diagnose SCD and a first-generation POC color-based assay to detect anemia...
November 16, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/29147722/-dengue-fever-symptoms-epidemiology-entomology-pathogen-diagnosis-and-prevention
#3
D Wiemer, H Frickmann, A Krüger
Dengue infections are among the most frequent causes of febrile disease in tropical climates. Infections are caused by a flavivirus transmitted by the Aedes mosquito. Aedes aegypti mosquitos are the main transmitters of Dengue viruses. Since these insects are both diurnal and container breeders, particular prevention and control measures are required. Symptom severity varies and can range from a mild, flu-like clinical picture to severe hemorrhage and shock. The most common symptoms experienced by travelers include fever, muscular pain, headaches and skin rash...
November 16, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/29145863/assessing-quality-of-maternity-care-in-hungary-expert-validation-and-testing-of-the-mother-centered-prenatal-care-mcpc-survey-instrument
#4
Nicholas Rubashkin, Imre Szebik, Petra Baji, Zsuzsa Szántó, Éva Susánszky, Saraswathi Vedam
BACKGROUND: Instruments to assess quality of maternity care in Central and Eastern European (CEE) region are scarce, despite reports of poor doctor-patient communication, non-evidence-based care, and informal cash payments. We validated and tested an online questionnaire to study maternity care experiences among Hungarian women. METHODS: Following literature review, we collated validated items and scales from two previous English-language surveys and adapted them to the Hungarian context...
November 16, 2017: Reproductive Health
https://www.readbyqxmd.com/read/29145584/critical-lessons-from-high-value-oncology-practices
#5
Douglas W Blayney, Melora K Simon, Beatrice Podtschaske, Scott Ramsey, Margaret Shyu, Craig Lindquist, Arnold Milstein
Importance: Cancer care is expensive. Cancer care provided by practice organizations varies in total spending incurred by patients and payers during treatment episodes and in quality of care, and this unnecessary variation contributes to the high cost. Objective: To use the variation in total spending and quality of care to assess oncology practice attributes distinguishing "high value" that may be tested and adopted by others to produce similar results. Design, Setting, and Participants: "Positive deviance" was used in this exploratory mixed-methods (quantitative and qualitative) analysis of interview results...
November 16, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29144182/plasma-lyte-148-vs-hartmann-s-solution-for-cardiopulmonary-bypass-pump-prime-a-prospective-double-blind-randomized-trial
#6
Laurence Weinberg, Elizabeth Chiam, James Hooper, Frank Liskaser, Angela Kim Hawkins, Denise Massie, Andrew Ellis, Chong O Tan, David Story, Rinaldo Bellomo
BACKGROUND: The mechanisms of acid-base changes during cardiopulmonary bypass (CPB) remain unclear. We tested the hypothesis that, when used as CPB pump prime solutions, Plasma-Lyte 148 (PL) and Hartmann's solution (HS) have differential mechanisms of action in their contribution to acid-base changes. METHODS: We performed a prospective, double-blind, randomized trial in adult patients undergoing elective cardiac surgery with CPB. Participants received a CPB prime solution of 2000 mL, with either PL or HS...
November 1, 2017: Perfusion
https://www.readbyqxmd.com/read/29143676/the-future-of-viral-hepatitis-testing-innovations-in-testing-technologies-and-approaches
#7
REVIEW
Rosanna W Peeling, Debrah I Boeras, Francesco Marinucci, Philippa Easterbrook
A large burden of undiagnosed hepatitis virus cases remains globally. Despite the 257 million people living with chronic hepatitis B virus infection, and 71 million with chronic viraemic HCV infection, most people with hepatitis remain unaware of their infection. Advances in rapid detection technology have created new opportunities for enhancing access to testing and care, as well as monitoring of treatment. This article examines a range of other technological innovations that can be leveraged to provide more affordable and simplified approaches to testing for HBV and HCV infection and monitoring of treatment response...
November 1, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29143666/comparative-evaluation-of-commercially-available-point-of-care-heartworm-antigen-tests-using-well-characterized-canine-plasma-samples
#8
Lindsay A Starkey, Joy V Bowles, Mark E Payton, Byron L Blagburn
BACKGROUND: Dirofilaria immitis is a worldwide parasite that is endemic in many parts of the United States. There are many commercial assays available for the detection of D. immitis antigen, one of which was modified and has reentered the market. Our objective was to compare the recently reintroduced Witness® Heartworm (HW) Antigen test Kit (Zoetis, Florham Park, NJ) and the SNAP® Heartworm RT (IDEXX Laboratories, Inc., Westbrook, ME) to the well-based ELISA DiroChek® Heartworm Antigen Test Kit (Zoetis, Florham Park, NJ)...
November 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29143645/impact-of-heat-treatment-on-dirofilaria-immitis-antigen-detection-in-shelter-dogs
#9
Brian A DiGangi, Carly Dworkin, Jason W Stull, Jeanette O'Quin, Morgan Elser, Antoinette E Marsh, Lesli Groshong, Wendy Wolfson, Brandy Duhon, Katie Broaddus, Elise N Gingrich, Emily Swiniarski, Elizabeth A Berliner
BACKGROUND: The diagnosis and management of canine heartworm disease is a growing concern for shelter veterinarians. Although the accuracy of commercial antigen test kits has been widely studied, recent reports have renewed interest in antigen blocking as a causative factor for false "no antigen detected" results. The objectives of this study were to determine the prevalence of false "no antigen detected" results in adult dogs entering shelters in northern, southern, and western regions of the country and to identify historical and clinical risk factors for such results...
November 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29143624/randomized-controlled-pilot-of-a-group-antenatal-care-model-and-the-sociodemographic-factors-associated-with-pregnancy-related-empowerment-in-sub-saharan-africa
#10
Crystal L Patil, Carrie S Klima, Sebalda C Leshabari, Alana D Steffen, Heather Pauls, Molly McGown, Kathleen F Norr
BACKGROUND: The links between empowerment and a number of health-related outcomes in sub-Saharan Africa have been documented, but empowerment related to pregnancy is under-investigated. Antenatal care (ANC) is the entry point into the healthcare system for most women, so it is important to understand how ANC affects aspects of women's sense of control over their pregnancy. We compare pregnancy-related empowerment for women randomly assigned to the standard of care versus CenteringPregnancy-based group ANC (intervention) in two sub-Saharan countries, Malawi and Tanzania...
November 8, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29143551/independent-validation-of-the-icu-requirement-score-in-a-cohort-of-acutely-poisoned-adults
#11
Regina Böll, Katrin Romanek, Sabrina Schmoll, Raphael Stich, Armin Ott, Jochen Stenzel, Stefanie Geith, Florian Eyer, Christian Rabe
OBJECTIVE: To independently validate the predictive value of the intensive care requirement score (IRS) in unselected poisoned patients. DESIGN: Retrospective chart review. PATIENTS AND METHODS: Five hundred and seventeen out of 585 admissions for acute intoxications could be analyzed. Eleven were excluded for a condition already requiring intensive care unit (ICU) support at admission (e.g., preclinical intubation). A further 57 admissions were excluded due to missing data...
November 16, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/29143161/point-of-care-b-type-natriuretic-peptide-and-portable-echocardiography-for-assessment-of-patients-with-suspected-heart-failure-in-primary-care-rationale-and-design-of-the-three-part-handheld-bnp-program-and-results-of-the-training-study
#12
Caroline Morbach, Thomas Buck, Christian Rost, Sebastian Peter, Stephan Günther, Stefan Störk, Christiane Prettin, Raimund Erbel, Georg Ertl, Christiane E Angermann
BACKGROUND: Patients with suspected heart failure (HF) often present first to general practitioners (GPs). Timely and accurate HF diagnosis and reliable prognostic information have remained unmet goals in primary care, where patient evaluation often relies on clinical assessment only. The Handheld-BNP program investigates whether additional use of portable echocardiography (ECHO) and point-of-care determination of B-type natriuretic peptide (BNP) improves the accuracy of HF diagnosis and aids risk prediction in primary care...
November 15, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29143101/candidate-biomarkers-in-the-cervical-vaginal-fluid-for-the-self-diagnosis-of-cervical-precancer
#13
REVIEW
Xaveer Van Ostade, Martin Dom, Wiebren Tjalma, Geert Van Raemdonck
PURPOSE: Despite improvement in vaccines against human papilloma virus (HPV), the causative agent of cervical cancer, screening women for cervical precancer will remain indispensable in the coming 30-40 years. A simple test that could be performed at home or at a doctor's practice and that informs the woman whether she is at risk would significantly help make a broader group of patients who aware that they need medical treatment. Cervical vaginal fluid (CVF) is a body fluid that is very well suited for such a test...
November 15, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29142798/verification-of-diagnosis-in-tuberculosis-a-case-report-and-discussion
#14
Amanda M Dave, Abed Adelrahman, Vishist Mehta, Stephen Cavalieri, Renuga Vivekanadan
Tuberculosis (TB), caused by strains of Mycobacterium tuberculosis complex (M. tuberculosis), is a pulmonary infection that is spread by airborne droplet transmission. The development and spread of drug-resistant strains of M. tuberculosisgreatly jeopardize TB control efforts. We report the case of a previously healthy 43-year-old male, visiting from China, who presented to the emergency department complaining of hemoptysis of 10 days' duration. Cultures were positive for acid fast bacteria and negative for fungi...
September 3, 2017: Curēus
https://www.readbyqxmd.com/read/29142538/patient-safety-awareness-among-postgraduate-students-and-nurses-in-a-tertiary-health-care-facility
#15
Attia Bari, Uzma Jabeen, Iqbal Bano, Ahsan Waheed Rathore
Objective: To determine the knowledge of patient safety among postgraduate residents (PGR) and nurses in a tertiary care hospital. Methods: This casual comparative study was conducted among the postgraduate residents and nurses working at The Children's Hospital Lahore in the month of July, August 2017. Both PGR and nurses were asked to complete APSQ-IV questionnaire about patient safety on 7 point Likert scale. Data was analyzed using SPSS version 20 and t-test was used to compare the mean score between two groups...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29142048/accurate-pcr-detection-of-influenza-a-b-and-rsv-using-the-cepheid-xpert-flu-rsv-xpress-assay-in-point-of-care-settings-comparison-to-prodesse-proflu
#16
Daniel M Cohen, Jennifer Kline, Larissa S May, Glenn Eric Harnett, Jane Gibson, Stephen Y Liang, Zubaid Rafique, Carina A Rodriguez, Kevin M McGann, Charlotte A Gaydos, Donna Mayne, David Phillips, Jason Cohen
The Xpert Flu+RSV Xpress Assay is a fast, automated in vitro diagnostic test for qualitative detection and differentiation of influenza A, B, and RSV performed on the Cepheid GeneXpert Xpress System. The objective of this study was to establish performance characteristics of the Xpert Flu+RSV Xpress Assay compared to the Prodesse ProFlu+ real-time RT-PCR assay (ProFlu+) for the detection of influenza A and B as well as RSV in a CLIA-waived (CW) setting. Overall, the assay, using fresh and frozen nasopharyngeal (NP) swabs, demonstrated high concordance with ProFlu+ in the combined CW and non-CW settings with Positive Percent Agreements (PPA) (100%, 100%, 97...
November 15, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29141738/dynamic-clinical-algorithms-digital-technology-can-transform-health-care-decision-making
#17
David Bell, Noni Gachuhi, Nassim Assefi
Most health care in low-income countries is delivered at a primary care level by health workers who lack quality training and supervision, often distant from more experienced support. Lack of knowledge and poor communication result in a poor quality of care and inefficient delivery of health services. Although bringing great benefits in sectors such as finance and telecommunication in recent years, the Digital Revolution has lightly and inconsistently affected the health sector. These advances offer an opportunity to dramatically transform health care by increasing the availability and timeliness of information to augment clinical decision-making, based on improved access to patient histories, current information on disease epidemiology, and improved incorporation of data from point-of-care and centralized diagnostic testing...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29141727/point-of-care-ultrasound-for-extrapulmonary-tuberculosis-in-india-a-prospective-cohort-study-in-hiv-positive-and-hiv-negative-presumptive-tuberculosis-patients
#18
Stefan F Weber, Kavitha Saravu, Tom Heller, Rajagopal Kadavigere, Shashidhar Vishwanath, Stephan Gehring, Sabine Bélard, And Pocus Eti Study Group
Diagnosing extrapulmonary tuberculosis (EPTB) is challenging. Point-of-care ultrasound (POCUS) for human immunodeficiency virus (HIV)-associated EPTB is applied in sub-Saharan Africa. This study aimed at evaluating the applicability of POCUS for diagnosing EPTB in HIV-positive and HIV-negative presumptive tuberculosis (TB) patients in India, a country of moderate relative TB and HIV burden. Presumptive TB patients at Kasturba Hospital, Manipal, India, prospectively underwent POCUS evaluating for pericardial, pleural and ascitic effusion, abdominal lymphadenopathy, and hepatic and splenic microabscesses...
October 16, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29141719/chloroquine-primaquine-versus-chloroquine-alone-to-treat-vivax-malaria-in-afghanistan-an-open-randomized-superiority-trial
#19
Ghulam Rahim Awab, Mallika Imwong, Germana Bancone, Atthanee Jeeyapant, Nicholas P J Day, Nicholas J White, Charles J Woodrow
Afghanistan's national guidelines recommend primaquine (PQ) for radical treatment of Plasmodium vivax malaria, but this is rarely implemented because of concerns over potential hemolysis in patients who have G6PD deficiency. Between August 2009 and February 2014, we conducted an open-label, randomized controlled trial of chloroquine (CQ) alone versus chloroquine plus primaquine (0.25 mg base/kg/day for 14 days) (CQ+PQ) in patients aged 6 months and older with microscopy confirmed P. vivax infection. In the CQ+PQ group, G6PD deficiency was excluded by fluorescent spot testing...
October 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29141635/repeat-testing-for-chlamydia-trachomatis-a-safe-approach-to-unsafe-sex-a-qualitative-exploration-among-youth-in-stockholm
#20
Anna Nielsen, Ayesha De Costa, Kristina Gemzell Danielsson, Mariano Salazar
BACKGROUND: Chlamydia trachomatis testing is offered to youth in Sweden, through a network of Youth Health Clinics, free at the point of care, in an attempt to bring down the prevalence and incidence of the infection. Nevertheless, infections rates have continued to rise during the past two decades and re-testing rates among youth for Chlamydia trachomatis has been reported to be high in Stockholm County. A few literature reports suggest that testing for sexually transmitted infections and the test result itself can have an undesirable impact on the sexual behaviour for the individual, i...
November 15, 2017: BMC Health Services Research
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