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https://www.readbyqxmd.com/read/29146711/ethics-health-policy-and-zika-from-emergency-to-global-epidemic
#1
Euzebiusz Jamrozik, Michael J Selgelid
Zika virus was recognised in 2016 as an important vector-borne cause of congenital malformations and Guillain-Barré syndrome, during a major epidemic in Latin America, centred in Northeastern Brazil. The WHO and Pan American Health Organisation (PAHO), with partner agencies, initiated a coordinated global response including public health intervention and urgent scientific research, as well as ethical analysis as a vital element of policy design. In this paper, we summarise the major ethical issues raised during the Zika epidemic, highlighting the PAHO ethics guidance and the role of ethics in emergency responses, before turning to ethical issues that are yet to be resolved...
November 16, 2017: Journal of Medical Ethics
https://www.readbyqxmd.com/read/29146178/use-of-mathematical-modelling-to-assess-the-impact-of-vaccines-on-antibiotic-resistance
#2
REVIEW
Katherine E Atkins, Erin I Lafferty, Sarah R Deeny, Nicholas G Davies, Julie V Robotham, Mark Jit
Antibiotic resistance is a major global threat to the provision of safe and effective health care. To control antibiotic resistance, vaccines have been proposed as an essential intervention, complementing improvements in diagnostic testing, antibiotic stewardship, and drug pipelines. The decision to introduce or amend vaccination programmes is routinely based on mathematical modelling. However, few mathematical models address the impact of vaccination on antibiotic resistance. We reviewed the literature using PubMed to identify all studies that used an original mathematical model to quantify the impact of a vaccine on antibiotic resistance transmission within a human population...
November 13, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29144769/detection-of-emerging-zoonotic-pathogens-an-integrated-one-health-approach
#3
Brian H Bird, Jonna A K Mazet
The emergence of novel zoonotic pathogens is one of the greatest challenges to global health security. The advent of increasingly sophisticated diagnostics tools has revolutionized our capacity to detect and respond to these health threats more rapidly than ever before. Yet, no matter how sophisticated these tools become, the initial identification of emerging infectious diseases begins at the local community level. It is here that the initial human or animal case resides, and it is here that early pathogen detection would have maximum benefit...
November 16, 2017: Annual Review of Animal Biosciences
https://www.readbyqxmd.com/read/29143676/the-future-of-viral-hepatitis-testing-innovations-in-testing-technologies-and-approaches
#4
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/29143672/diagnostic-accuracy-of-serological-diagnosis-of-hepatitis-c-and-b-using-dried-blood-spot-samples-dbs-two-systematic-reviews-and-meta-analyses
#5
Berit Lange, Jennifer Cohn, Teri Roberts, Johannes Camp, Jeanne Chauffour, Nina Gummadi, Azumi Ishizaki, Anupriya Nagarathnam, Edouard Tuaillon, Philippe van de Perre, Christine Pichler, Philippa Easterbrook, Claudia M Denkinger
BACKGROUND: Dried blood spots (DBS) are a convenient tool to enable diagnostic testing for viral diseases due to transport, handling and logistical advantages over conventional venous blood sampling. A better understanding of the performance of serological testing for hepatitis C (HCV) and hepatitis B virus (HBV) from DBS is important to enable more widespread use of this sampling approach in resource limited settings, and to inform the 2017 World Health Organization (WHO) guidance on testing for HBV/HCV...
November 1, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29143620/optimising-diagnosis-of-viraemic-hepatitis-c-infection-the-development-of-a-target-product-profile
#6
Elena Ivanova Reipold, Philippa Easterbrook, Alessandra Trianni, Nivedha Panneer, Douglas Krakower, Stefano Ongarello, Teri Roberts, Veronica Miller, Claudia Denkinger
BACKGROUND: The current low access to virological testing to confirm chronic viraemic HCV infection in low- and middle-income countries (LMIC) is limiting the rollout of hepatitis C (HCV) care. Existing tests are complex, costly and require sophisticated laboratory infrastructure. Diagnostic manufacturers need guidance on the optimal characteristics a virological test needs to have to ensure the greatest impact on HCV diagnosis and treatment in LMIC. Our objective was to develop a target product profile (TPP) for diagnosis of HCV viraemia using a global stakeholder consensus-based approach...
November 1, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29143616/diagnostic-accuracy-of-detection-and-quantification-of-hbv-dna-and-hcv-rna-using-dried-blood-spot-dbs-samples-a-systematic-review-and-meta-analysis
#7
Berit Lange, Teri Roberts, Jennifer Cohn, Jamie Greenman, Johannes Camp, Azumi Ishizaki, Luke Messac, Edouard Tuaillon, Philippe van de Perre, Christine Pichler, Claudia M Denkinger, Philippa Easterbrook
BACKGROUND: The detection and quantification of hepatitis B (HBV) DNA and hepatitis C (HCV) RNA in whole blood collected on dried blood spots (DBS) may facilitate access to diagnosis and treatment of HBV and HCV infection in resource-poor settings. We evaluated the diagnostic performance of DBS compared to venous blood samples for detection and quantification of HBV-DNA and HCV-RNA in two systematic reviews and meta-analyses on the diagnostic accuracy of HBV DNA and HCV RNA from DBS compared to venous blood samples...
November 1, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29141717/diagnostic-accuracy-of-global-pharma-health-fund-minilab%C3%A2-in-assessing-pharmacopoeial-quality-of-antimicrobials
#8
Hui Pan, William Ba-Thein
Global Pharma Health Fund (GPHF) Minilab™, a semi-quantitative thin-layer chromatography (TLC)-based commercially available test kit, is widely used in drug quality surveillance globally, but its diagnostic accuracy is unclear. We investigated the diagnostic accuracy of minilab system for antimicrobials, using high-performance liquid chromatography (HPLC) as reference standard. Following the Minilab protocols and the Pharmacopoeia of the People's Republic of China protocols, Minilab-TLC and HPLC were used to test five common antimicrobials (506 batches) for relative concentration of active pharmaceutical ingredients...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29141572/a-clinical-update-and-global-economic-burden-of-rheumatoid-arthritis
#9
Syed Ali Fazal, Mohammad Khan, Shamima Easmin Nishi, Fahmida Alam, Nowshin Zarin, Mohammad Tariful Bari, Ghulam Md Ashraf
Rheumatoid arthritis (RA) is a predominant inflammatory autoimmune disorder. The incidence and prevalence of RA is increasing with considerable morbidity and mortality worldwide. The pathophysiology of RA has become clearer due to many significant research outputs during the last two decades. Many inflammatory cytokines involved in RA pathophysiology and the presence of autoantibodies are being used as potential biomarkers via the use of effective diagnostic techniques for the early diagnosis of RA. Currently, several disease-modifying anti-rheumatic drugs are being prescribed targeting RA pathophysiology, which have shown significant contributions in improving the disease outcomes...
November 14, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29140767/genomic-medicine-without-borders-which-strategies-should-developing-countries-employ-to-invest-in-precision-medicine-a-new-fast-second-winner-strategy
#10
Konstantinos Mitropoulos, David N Cooper, Christina Mitropoulou, Spiros Agathos, Jürgen K V Reichardt, Fatima Al-Maskari, Wasun Chantratita, Ambroise Wonkam, Collet Dandara, Theodora Katsila, Catalina Lopez-Correa, Bassam R Ali, George P Patrinos
Genomic medicine has greatly matured in terms of its technical capabilities, but the diffusion of genomic innovations worldwide faces significant barriers beyond mere access to technology. New global development strategies are sorely needed for biotechnologies such as genomics and their applications toward precision medicine without borders. Moreover, diffusion of genomic medicine globally cannot adhere to a "one-size-fits-all-countries" development strategy, in the same way that drug treatments should be customized...
November 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/29138741/challenges-to-global-implementation-of-infrared-thermography-technology-current-perspective
#11
Michael Shterenshis
Medical infrared thermography (IT) produces an image of the infrared waves emitted by the human body as part of the thermoregulation process that can vary in intensity based on the health of the person. This review analyzes recent developments in the use of infrared thermography as a screening and diagnostic tool in clinical and nonclinical settings, and identifies possible future routes for improvement of the method. Currently, infrared thermography is not considered to be a fully reliable diagnostic method...
2017: Central Asian Journal of Global Health
https://www.readbyqxmd.com/read/29137512/microfinance-institutions-successful-delivery-of-micronutrient-powders-a-randomized-trial-in-rural-haiti
#12
Aaron Baum, Wesly Elize, Florence Jean-Louis
Globally, two-thirds of child deaths could be prevented by increased provision of health interventions such as vaccines, micronutrient supplements, and water purification tablets. We report the results from a randomized controlled trial in Haiti during 2012 that tested whether microfinance institutions-which reach 200 million households worldwide-can effectively deliver health products. These institutions provide loans to underserved entrepreneurs, primarily poor women in rural areas. In the intervention group, micronutrient powders to improve the nutrition of young children were distributed at regularly occurring microfinance meetings by a trained borrower...
November 2017: Health Affairs
https://www.readbyqxmd.com/read/29136161/trends-and-predictors-of-syphilis-prevalence-in-the-general-population-global-pooled-analyses-of-1103-prevalence-measures-including-136-million-syphilis-tests
#13
Alex Smolak, Jane Rowley, Nico Nagelkerke, Nicholas J Kassebaum, R Matthew Chico, Eline L Korenromp, Laith J Abu-Raddad
Background: This study assessed levels, trends, and associations of observed syphilis prevalence in the general adult population using global pooled analyses. Methods: A standardized database of syphilis prevalence was compiled by pooling systematically-gathered data. Random-effects meta-analyses and meta-regressions were conducted using data from 1990-2016 to estimate pooled measures and assess predictors and trends. Countries were classified by World Health Organization regions...
November 9, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29134742/innovative-technologies-for-point-of-care-testing-of-viral-hepatitis%C3%A2-in-low-resource-and-decentralized-settings
#14
Léa Duchesne, Karine Lacombe
According to the Global Burden of Diseases, chronic viral hepatitis B and C are one of the most challenging global health conditions that rank among the first causes of morbidity and mortality worldwide. Low and middle income countries are particularly affected by the health burden associated with HBV or HCV infection. One major gap in efficiently addressing the issue of viral hepatitis is universal screening. However, the costs and chronic lack of human resources for using traditional screening strategies based on serology and molecular biology preclude any scaling-up...
November 13, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/29132759/hepatitis-b-in-sub-saharan-africa-strategies-to-achieve-the-2030-elimination-targets
#15
REVIEW
C Wendy Spearman, Mary Afihene, Reidwaan Ally, Betty Apica, Yaw Awuku, Lina Cunha, Geoffrey Dusheiko, Neliswa Gogela, Chris Kassianides, Michael Kew, Philip Lam, Olufunmilayo Lesi, Marie-Jeanne Lohouès-Kouacou, Papa Saliou Mbaye, Emmanuel Musabeyezu, Betty Musau, Olusegun Ojo, John Rwegasha, Barbara Scholz, Abate B Shewaye, Christian Tzeuton, Mark W Sonderup
The WHO global health sector strategy on viral hepatitis, created in May, 2016, aims to achieve a 90% reduction in new cases of chronic hepatitis B and C and a 65% reduction in mortality due to hepatitis B and C by 2030. Hepatitis B virus (HBV) is endemic in sub-Saharan Africa, and despite the introduction of universal hepatitis B vaccination and effective antiviral therapy, the estimated overall seroprevalence of hepatitis B surface antigen remains high at 6·1% (95% uncertainty interval 4·6-8·5). In this Series paper, we have reviewed the literature to examine the epidemiology, burden of liver disease, and elimination strategies of hepatitis B in sub-Saharan Africa...
December 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29131357/zika-virus-what-we-need-to-know
#16
REVIEW
Farakh Javed, Khanzadi N Manzoor, Mubashar Ali, Irshad U Haq, Abid A Khan, Assad Zaib, Sobia Manzoor
Zika virus is one of the emerging viruses and is of significant threat to human health globally. It is a mosquito borne flavivirus similar to dengue, yellow fever, and West Nile viruses. It was reported about 5 decades ago and then it spreads to different parts of the world. Large outbreaks were reported on Yap Islands in 2007. Now it has gained wide attention globally by health communities. Major vector for virus transmission is Aedes aegypti mosquito. ZIKV infection is mostly asymptomatic but it is also responsible to cause mild influenza like illness to serious manifestations...
November 13, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/29129921/towards-a-genomics-informed-real-time-global-pathogen-surveillance-system
#17
REVIEW
Jennifer L Gardy, Nicholas J Loman
The recent Ebola and Zika epidemics demonstrate the need for the continuous surveillance, rapid diagnosis and real-time tracking of emerging infectious diseases. Fast, affordable sequencing of pathogen genomes - now a staple of the public health microbiology laboratory in well-resourced settings - can affect each of these areas. Coupling genomic diagnostics and epidemiology to innovative digital disease detection platforms raises the possibility of an open, global, digital pathogen surveillance system. When informed by a One Health approach, in which human, animal and environmental health are considered together, such a genomics-based system has profound potential to improve public health in settings lacking robust laboratory capacity...
November 13, 2017: Nature Reviews. Genetics
https://www.readbyqxmd.com/read/29129348/performance-of-the-tinnitus-functional-index-as-a-diagnostic-instrument-in-a-uk-clinical-population
#18
Kathryn Fackrell, Deborah A Hall, Johanna G Barry, Derek J Hoare
OBJECTIVES: The Tinnitus Functional Index (TFI) has been optimised as a diagnostic tool for quantifying the functional impact of tinnitus in US veteran and civilian groups. However, the TFI has not been fully evaluated for use in other English-speaking clinical populations despite its increasingly popular uptake. Here, a prospective multi-site longitudinal validation study was conducted to evaluate psychometric properties relevant to the UK clinical population. Guided by quality criteria for the measurement properties of health-related questionnaires, we specifically evaluated three diagnostic properties relating to the degree to which the TFI (i) covers the eight dimensions proposed to be important for diagnosis, (ii) reliably distinguishes individual differences in severity of tinnitus, and (iii) reliably measures the functional impact of tinnitus...
November 9, 2017: Hearing Research
https://www.readbyqxmd.com/read/29128049/clinical-and-economic-burden-of-nonalcoholic-fatty-liver-disease-and-nonalcoholic-steatohepatitis
#19
REVIEW
Zobair M Younossi, Linda Henry, Haley Bush, Alita Mishra
Nonalcoholic fatty liver disease (NAFLD) is a chronic liver disease with an increasing global prevalence associated with tremendous clinical, economic, and health-related quality-of-life burden. Clinically, NAFLD is considered the liver manifestation of metabolic syndrome. However, diagnosing NAFLD presents significant challenges due to the limited noninvasive and accurate diagnostic tools available to not only accurately diagnose nonalcoholic steatohepatitis but also to stage hepatic fibrosis, the major predictor of long-term outcomes, including mortality...
February 2018: Clinics in Liver Disease
https://www.readbyqxmd.com/read/29126819/to-reduce-the-global-burden-of-human-schistosomiasis-use-old-fashioned-snail-control
#20
REVIEW
Susanne H Sokolow, Chelsea L Wood, Isabel J Jones, Kevin D Lafferty, Armand M Kuris, Michael H Hsieh, Giulio A De Leo
Control strategies to reduce human schistosomiasis have evolved from 'snail picking' campaigns, a century ago, to modern wide-scale human treatment campaigns, or preventive chemotherapy. Unfortunately, despite the rise in preventive chemotherapy campaigns, just as many people suffer from schistosomiasis today as they did 50 years ago. Snail control can complement preventive chemotherapy by reducing the risk of transmission from snails to humans. Here, we present ideas for modernizing and scaling up snail control, including spatiotemporal targeting, environmental diagnostics, better molluscicides, new technologies (e...
November 7, 2017: Trends in Parasitology
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