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https://www.readbyqxmd.com/read/29678896/outcomes-for-patients-with-rheumatic-heart-disease-after-cardiac-surgery-followed-at-rural-district-hospitals-in-rwanda
#1
Emmanuel K Rusingiza, Ziad El-Khatib, Bethany Hedt-Gauthier, Gedeon Ngoga, Symaque Dusabeyezu, Neo Tapela, Cadet Mutumbira, Francis Mutabazi, Emmanuel Harelimana, Joseph Mucumbitsi, Gene F Kwan, Gene Bukhman
BACKGROUND: In sub-Saharan Africa, continued clinical follow-up, after cardiac surgery, is only available at urban referral centres. We implemented a decentralised, integrated care model to provide longitudinal care for patients with advanced rheumatic heart disease (RHD) at district hospitals in rural Rwanda before and after heart surgery. METHODS: We collected data from charts at non-communicable disease (NCD) clinics at three rural district hospitals in Rwanda to describe the outcomes of 54 patients with RHD who received cardiac valve surgery during 2007-2015...
April 20, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29678552/the-immunogenicity-of-recombinant-vaccines-based-on-modified-vaccinia-ankara-mva-viruses-expressing-african-horse-sickness-virus-vp2-antigens-depends-on-the-levels-of-expressed-vp2-protein-delivered-to-the-host
#2
Eva Calvo-Pinilla, Simon Gubbins, Peter Mertens, Javier Ortego, Javier Castillo-Olivares
African horse sickness (AHS) is a lethal equine disease transmitted by Culicoides biting midges and caused by African horse sickness virus (AHSV). AHS is endemic to sub-Saharan Africa, but devastating outbreaks have been recorded periodically outside this region. The perceived risk of an AHS outbreak occurring in Europe has increased following the frequent epidemics caused in ruminants by bluetongue virus, closely related to AHSV. Attenuated vaccines for AHS are considered unsuitable for use in non-endemic countries due bio-safety concerns...
April 17, 2018: Antiviral Research
https://www.readbyqxmd.com/read/29677583/grandparents-and-children-s-stunting-in-sub-saharan-africa
#3
Sandor Schrijner, Jeroen Smits
Globally an estimated 159 million children under 5 years of age are being too short for one's age (stunted). More than one third of these children is living in Africa. Given the substantial number of sub-Saharan African (SSA) children living in households with co-residing grandparents and the negative effects of stunting on productivity and economic growth, gaining insight into the role grandparents play for children's stunting, has become increasingly important. By applying multilevel logistic regression analysis on a database with information on 344,748 children aged 6-60 months living in 31 SSA countries, the strength of the relationship between grandparental co-residence and children's stunting is examined...
March 26, 2018: Social Science & Medicine
https://www.readbyqxmd.com/read/29676635/effects-of-household-air-pollution-in-malawi-and-human-immunodeficiency-virus-status-on-respiratory-symptoms-and-inflammation-injury-and-repair-markers
#4
Charles Kim, Hannah Jary, Kevin Mortimer, Kelly S Schweitzer, Doug Curran-Everett, Stephen Gordon, Irina Petrache
RATIONALE: Household air pollution (HAP) and human immunodeficiency virus (HIV) are associated with increased risk for chronic obstructive pulmonary disease. Both HAP and HIV are widespread in Sub-Saharan Africa, including Malawi, where HIV has 10.6% prevalence in patients 15-49 years old. OBJECTIVES: We hypothesized that HIV infection (HIV+ ) and habitual exposure to HAP (HAP+ ) synergize to cause systemic inflammation and vascular injury, which may herald early onset of chronic respiratory diseases...
April 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29676250/plasmodium-falciparum-resistance-to-artemisinin-based-combination-therapies-a-sword-of-damocles-in-the-path-toward-malaria-elimination
#5
Manel Ouji, Jean-Michel Augereau, Lucie Paloque, Françoise Benoit-Vical
The use of artemisinin-based combination therapies (ACTs), which combine an artemisinin derivative with a partner drug, in the treatment of uncomplicated malaria has largely been responsible for the significant reduction in malaria-related mortality in tropical and subtropical regions. ACTs have also played a significant role in the 18% decline in the incidence of malaria cases from 2010 to 2016. However, this progress is seriously threatened by the reduced clinical efficacy of artemisinins, which is characterised by delayed parasitic clearance and a high rate of recrudescence, as reported in 2008 in Western Cambodia...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29673983/population-genetics-informed-meta-analysis-in-seven-genes-associated-with-risk-to-dengue-fever-disease
#6
Marisa Oliveira, Diana P Saraiva, Bruno Cavadas, Verónica Fernandes, Nicole Pedro, Isabelle Casademont, Fanny Koeth, Farida Alshamali, Nourdin Harich, Lotfi Cherni, Beatriz Sierra, Maria G Guzman, Anavaj Sakuntabhai, Luisa Pereira
Population genetics theory predicted that rare frequent markers would be the main contributors for heritability of complex diseases, but meta-analyses of genome-wide association studies are revealing otherwise common markers, present in all population groups, as the identified candidate genes. In this work, we applied a population-genetics informed meta-analysis to 10 markers located in seven genes said to be associated with dengue fever disease. Seven markers (in PLCE1, CD32, CD209, OAS1 and OAS3 genes) have high-frequency and the other three (in MICB and TNFA genes) have intermediate frequency...
April 16, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29673703/snake-venoms-from-angola-intra-specific-variations-and-immunogenicity
#7
Paula Regina Simões de Oliveira, Felipe Silva de França, Isadora Maria Villas Boas, Marisa Maria Teixeira da Rocha, Sávio Stefanini Sant'Anna, Maria de Lourdes Bastos, Denise V Tambourgi
Snakebite is a public health problem in many countries of world. These accidents are considered a Neglected Tropical Disease and are responsible for a high morbidity and mortality index in the South and Southeast Asia and Sub-Saharan Africa. Angolan snake venoms are poorly investigated and no specific antivenom against them is available in the country. Thus, the aim of this study was to evaluate biochemical and immunogenic properties of male and female venoms from Naja nigricollis, Bitis arietans and Bitis gabonica snakes...
April 16, 2018: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29672709/surveillance-of-travel-associated-diseases-at-two-referral-centres-in-marseille-france-a-12-year-survey
#8
Karolina M Griffiths, Hélène Savini, Philippe Brouqui, Fabrice Simon, Philippe Parola, Philippe Gautret
Background: With increasing international travel and historically high numbers of residents visiting friends and relatives overseas, travel-associated illnesses are frequent in Marseille, France. We report the changing epidemiology of travel-related illnesses over a 12-year period. Methods: A single site GeoSentinel surveillance analysis was undertaken for 3460 ill returned travellers presenting to two public hospitals in Marseille, France from March 2003 to October 2015, with travel-related illnesses...
January 1, 2018: Journal of Travel Medicine
https://www.readbyqxmd.com/read/29672560/can-water-level-management-reduce-malaria-mosquito-abundance-around-large-dams-in-sub-saharan-africa
#9
Solomon Kibret, G Glenn Wilson, Darren Ryder, Habte Tekie, Beyene Petros
BACKGROUND: Water level management has been suggested as a potential tool to reduce malaria around large reservoirs. However, no field-based test has been conducted to assess the effect of water level management on mosquito larval abundance in African settings. The objective of the present study is to evaluate the effects of water level drawdown rates on mosquito larval abundance. METHODS: Twelve experimental dams were constructed on the foreshore of the Koka Dam in Ethiopia...
2018: PloS One
https://www.readbyqxmd.com/read/29672524/point-of-care-tests-for-syphilis-and-yaws-in-a-low-income-setting-a-qualitative-study-of-healthcare-worker-and-patient-experiences
#10
Michael Marks, Tommy Esau, Rowena Asugeni, Relmah Harrington, Jason Diau, Hilary Toloka, James Asugeni, Eimhin Ansbro, Anthony W Solomon, David Maclaren, Michelle Redman-Maclaren, David C W Mabey
INTRODUCTION: The human treponematoses comprise venereal syphilis and the three non-venereal or endemic treponematoses yaws, bejel, and pinta. Serological assays remain the most common diagnostic method for all treponemal infections. Point-of-care tests (POCTs) for syphilis and yaws allow testing without further development of infrastructure in populations where routine laboratory facilities are not available. Alongside the test's performance characteristics assessed through diagnostic evaluation, it is important to consider broader issues when rolling out a POCT...
April 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29671831/the-potential-of-integrating-provitamin-a-biofortified-maize-in-smallholder-farming-systems-to-reduce-malnourishment-in-south-africa
#11
REVIEW
Mthokozisi K Zuma, Unathi Kolanisi, Albert T Modi
Biofortification interventions have the potential to combat malnutrition. This review explored the use of provitamin A-biofortified maize (PVABM) as a vitamin A deficiency (VAD) reduction agricultural-based strategy. Maize has been identified as one of the key staple crops for biofortification to reduce hidden hunger in Africa. Most nutrition interventions have not been successful in reducing hunger because rural communities, who mainly rely on agriculture, have been indirectly excluded. The biofortification intervention proposed here aims to be an inclusive strategy, based on smallholder farming systems...
April 19, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29671499/poststreptococcal-illness-recognition-and-management
#12
David L Maness, Michael Martin, Gregg Mitchell
Group A beta-hemolytic streptococcus can cause several postinfectious, nonsuppurative immune- mediated diseases including acute rheumatic fever, poststreptococcal reactive arthritis, pediatric autoimmune neuropsychiatric disorders, and poststreptococcal glomerulonephritis. Except for sporadic outbreaks, poststreptococcal autoimmune syndromes occur most commonly in sub-Saharan Africa, India, Australia, and New Zealand. Children younger than three years are rarely affected by group A streptococcus pharyngitis or rheumatic fever, and usually do not require testing...
April 15, 2018: American Family Physician
https://www.readbyqxmd.com/read/29671351/girls-cannot-be-trusted-young-men-s-perspectives-on-contraceptive-decision-making-and-sexual-relationships-in-bolgatanga-ghana
#13
John K Krugu, Fraujke E F Mevissen, Kirsten A Flore, Robert A C Ruiter
BACKGROUND: There is extensive research on African girls sexual experiences, but much less is known about boys thoughts and actions. There is a need to understand the male perspective in order to develop sexuality education programmes that address the high rates of teenage pregnancy and sexually transmitted infections in sub-Saharan Africa. METHODS: For this qualitative, phenomenological study we spoke to 20 boys from Bolgatanga, Ghana and explored their sexual decision making, using semi-structured interviews designed to highlight psychosocial and environmental factors...
April 19, 2018: European Journal of Contraception & Reproductive Health Care
https://www.readbyqxmd.com/read/29670916/readiness-of-sub-saharan-africa-healthcare-systems-for-the-new-pandemic-diabetes-a-systematic-review
#14
REVIEW
Bernardo Nuche-Berenguer, Linda E Kupfer
Background: Effective health systems are needed to care for the coming surge of diabetics in sub-Saharan Africa (SSA). Objective: We conducted a systematic review of literature to determine the capacity of SSA health systems to manage diabetes. Methodology: We used three different databases (Embase, Scopus, and PubMed) to search for studies, published from 2004 to 2017, on diabetes care in SSA. Results: Fifty-five articles met the inclusion criteria, covering the different aspects related to diabetes care such as availability of drugs and diagnostic tools, the capacity of healthcare workers, and the integration of diabetes care into HIV and TB platforms...
2018: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29669224/evaluation-of-intussusception-after-monovalent-rotavirus-vaccination-in-africa
#15
Jacqueline E Tate, Jason M Mwenda, George Armah, Bhavin Jani, Richard Omore, Ayesheshem Ademe, Hilda Mujuru, Evans Mpabalwani, Bagrey Ngwira, Margaret M Cortese, Richard Mihigo, Hope Glover-Addy, Mwajabu Mbaga, Francis Osawa, Amezene Tadesse, Bothwell Mbuwayesango, Julia Simwaka, Nigel Cunliffe, Benjamin A Lopman, Goitom Weldegebriel, Daniel Ansong, David Msuya, Billy Ogwel, Thomas Karengera, Portia Manangazira, Bruce Bvulani, Catherine Yen, Felicitas R Zawaira, Clement T Narh, Lazaro Mboma, Peter Saula, Fasil Teshager, Halle Getachew, Rebecca M Moeti, Christabel Eweronu-Laryea, Umesh D Parashar
BACKGROUND: Postlicensure evaluations have identified an association between rotavirus vaccination and intussusception in several high- and middle-income countries. We assessed the association between monovalent human rotavirus vaccine and intussusception in lower-income sub-Saharan African countries. METHODS: Using active surveillance, we enrolled patients from seven countries (Ethiopia, Ghana, Kenya, Malawi, Tanzania, Zambia, and Zimbabwe) who had intussusception that met international (Brighton Collaboration level 1) criteria...
April 19, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29668628/predictors-of-mortality-in-adults-on-treatment-for-human-immunodeficiency-virus-associated-tuberculosis-in-botswana-a-retrospective-cohort-study
#16
Ley Muyaya Muyaya, Taryn Young, Marian Loveday
Mortality in patients with human immunodeficiency virus (HIV)-associated tuberculosis (TB) is high, particularly in sub-Saharan Africa. This study aimed to compare mortality and predictors of mortality in those who were antiretroviral therapy (ART) naïve to those with prior ART exposure.This retrospective cohort study was conducted in Serowe/Palapye District, Botswana, a predominantly urban district with a large burden of HIV-associated TB with a high case fatality. Between January 1, 2013 and December 31, 2013, patients confirmed with HIV-associated TB were enrolled and followed up...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29667040/management-of-superficial-and-deep-seated-staphylococcus-aureus-skin-and-soft-tissue-infections-in-sub-saharan-africa-a-post-hoc-analysis-of-the-staphnet-cohort
#17
Abraham Alabi, Theckla Kazimoto, Marthe Lebughe, Delfino Vubil, Patrick Phaku, Inacio Mandomando, Winfried V Kern, Salim Abdulla, Alexander Mellmann, Lena Peitzmann, Markus Bischoff, Georg Peters, Mathias Herrmann, Martin P Grobusch, Frieder Schaumburg, Siegbert Rieg
PURPOSE: The incidence of Staphylococcus aureus skin and soft tissue infection (SSTI) is high in sub-Saharan Africa. This is fueled by a high prevalence of Panton-Valentine leukocidin (PVL), which can be associated with necrotizing disease. The aim was to describe the clinical presentation and the treatment of SSTI in the African setting and to identify challenges in the management. METHODS: Patients (n = 319) were recruited in DR Congo (n = 56, 17.6%), Gabon (n = 89, 27...
April 17, 2018: Infection
https://www.readbyqxmd.com/read/29666656/hepatitis-b-virus-infection-in-tanzania-current-status-and-challenges
#18
REVIEW
Semvua B Kilonzo, Daniel W Gunda, Bonaventura C T Mpondo, Fatma A Bakshi, Hyasinta Jaka
Hepatitis B is one of the most common infectious diseases in the world with high prevalence in most of sub-Saharan Africa countries. The complexity in its diagnosis and treatment poses a significant management challenge in the resource-limited settings including Tanzania, where most of the tests and drugs are either unavailable or unaffordable. This mini review aims at demonstrating the current status of the disease in the country and discussing the concomitant challenges in diagnosis, treatment, and prevention...
2018: Journal of Tropical Medicine
https://www.readbyqxmd.com/read/29666191/flagellum-inheritance-in-trypanosoma-brucei-requires-a-kinetoplastid-specific-protein-phosphatase
#19
Qing Zhou, Gang Dong, Ziyin Li
Trypanosoma brucei causes sleeping sickness in humans and nagana in cattle in sub-Saharan Africa and alternates between its mammalian hosts and its insect vector, the tsetse fly. T. brucei uses a flagellum for motility, cell division, and cell-cell communication. Proper positioning and attachment of the newly assembled flagellum rely on the faithful duplication and segregation of flagellum-associated cytoskeletal structures. These processes are regulated by the polo-like kinase homolog TbPLK, whose activity and abundance are under stringent control to ensure spatiotemporally regulated phosphorylation of its substrates...
April 17, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29665430/awareness-of-cervical-cancer-and-willingness-to-be-vaccinated-against-human-papillomavirus-in-mozambican-adolescent-girls
#20
Azucena Bardají, Carolina Mindu, Orvalho J Augusto, Aina Casellas, Olga Cambaco, Egas Simbine, Graça Matsinhe, Eusébio Macete, Clara Menéndez, Esperança Sevene, Khátia Munguambe
Sub-Saharan Africa concentrates the largest burden of cervical cancer worldwide. The introduction of the HPV vaccination in this region is urgent and strategic to meet global health targets. This was a cross-sectional study conducted in Mozambique prior to the first round of the HPV vaccine demonstration programme. It targeted girls aged 10-19 years old identified from schools and households. Face-to-face structured interviews were conducted. A total of 1,147 adolescents were enrolled in three selected districts of the country...
April 14, 2018: Papillomavirus Research
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