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https://www.readbyqxmd.com/read/28219910/severe-plasmodium-knowlesi-with-dengue-coinfection
#1
Mohd Jazman Che Rahim, Nurashikin Mohammad, Alwi Muhd Besari, Wan Syamimee Wan Ghazali
We report a case of severe Plasmodium knowlesi and dengue coinfection in a previously healthy 59-year-old Malay man who presented with worsening shortness of breath, high-grade fever with chills and rigors, dry cough, myalgia, arthralgia, chest discomfort and poor appetite of 1 week duration. There was a history mosquito fogging around his neighbourhood in his hometown. Further history revealed that he went to a forest in Jeli (northern part of Kelantan) 3 weeks prior to the event. Initially he was treated as severe dengue with plasma leakage complicated with type 1 respiratory failure as evidenced by positive serum NS1-antigen and thrombocytopenia...
February 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28216244/safety-and-efficacy-of-pfspz-vaccine-against-plasmodium-falciparum-via-direct-venous-inoculation-in-healthy-malaria-exposed-adults-in-mali-a-randomised-double-blind-phase-1-trial
#2
Mahamadou S Sissoko, Sara A Healy, Abdoulaye Katile, Freda Omaswa, Irfan Zaidi, Erin E Gabriel, Bourama Kamate, Yacouba Samake, Merepen A Guindo, Amagana Dolo, Amadou Niangaly, Karamoko Niaré, Amatigue Zeguime, Kourane Sissoko, Hama Diallo, Ismaila Thera, Kelly Ding, Michael P Fay, Elise M O'Connell, Thomas B Nutman, Sharon Wong-Madden, Tooba Murshedkar, Adam J Ruben, Minglin Li, Yonas Abebe, Anita Manoj, Anusha Gunasekera, Sumana Chakravarty, B Kim Lee Sim, Peter F Billingsley, Eric R James, Michael Walther, Thomas L Richie, Stephen L Hoffman, Ogobara Doumbo, Patrick E Duffy
BACKGROUND: Plasmodium falciparum sporozite (PfSPZ) Vaccine is a metabolically active, non-replicating, whole malaria sporozoite vaccine that has been reported to be safe and protective against P falciparum controlled human malaria infection in malaria-naive individuals. We aimed to assess the safety and protective efficacy of PfSPZ Vaccine against naturally acquired P falciparum in malaria-experienced adults in Mali. METHODS: After an open-label dose-escalation study in a pilot safety cohort, we did a double-blind, randomised, placebo-controlled trial based in Donéguébougou and surrounding villages in Mali...
February 16, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28215143/identifying-the-main-mosquito-species-in-the-taiwan-strait-using-dna-barcoding
#3
Bo Gao, Yiliang Fang, Jianqing Zhang, Rongquan Wu, Baohai Xu, Lianhui Xie
Mosquitoes can transmit many types of viruses such West Nile virus and Zika virus and are responsible for virus-causing diseases including malaria, Dengue fever, yellow fever, lymphatic filariasis, and Japanese B encephalitis. On January 19, 2016, the first case of Zika virus infection was identified in Taiwan, which presents the need for studying the mosquito species in the Taiwan Strait and evaluating the risk of the outbreak of this infection. In this study, we collected a total of 144 specimens from 42 mosquito specimens belonging to 9 genera from both sides of the Taiwan Strait during 2013 and 2014...
February 17, 2017: Combinatorial Chemistry & High Throughput Screening
https://www.readbyqxmd.com/read/28202077/repellent-effects-of-the-essential-oils-of-cymbopogon-citratus-and-tagetes-minuta-on-the-sandfly-phlebotomus-duboscqi
#4
Albert Kimutai, Moses Ngeiywa, Margaret Mulaa, Peter G N Njagi, Johnstone Ingonga, Lydia B Nyamwamu, Cyprian Ombati, Philip Ngumbi
BACKGROUND: The sandfly, Phlebotomus duboscqi is a vector of zoonotic cutaneous leishmaniasis (ZCL) that is an important public health problem in Eastern Africa. Repellents have been used for protection of humans against vectors of ZCL and other vectors that transmit killer diseases including malaria, Rift Valley fever, dengue, and yellow fever. The repellent effects of different doses of the essential oils from the lemon grass, Cymbopogon citratus and Mexican marigold, Tagetes minuta were evaluated in a two-chamber bioassay against 3- to 7-day-old unfed females of P...
February 15, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28193740/development-of-delayed-hemolytic-anemia-after-treatment-with-oral-artemether-lumefantrine-in-two-patients-with-severe-falciparum-malaria
#5
Yasuhiro Tsuchido, Fukumi Nakamura-Uchiyama, Kasumi Toyoda, Moritoshi Iwagami, Kentaro Tochitani, Koh Shinohara, Naokuni Hishiya, Taku Ogawa, Kenji Uno, Kei Kasahara, Yukiteru Ouji, Shigeyuki Kano, Keiichi Mikasa, Tsunehiro Shimizu, Masahide Yoshikawa, Haruhiko Maruyama
Recently, reports of delayed hemolytic anemia after treatment with artemisinin and its derivatives have emerged. Here we report two cases of delayed hemolytic anemia in a patient with severe falciparum malaria after treatment with oral artemether-lumefantrine (AL). The first patient, a 20-year-old Japanese male student, was diagnosed with falciparum malaria and was administered AL. As having a high parasitemia rate (20.6%) was the only severe malaria criterion met in this case and his general condition was stable, we continued with AL treatment...
February 13, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28193387/raising-the-red-flag-for-malaria-elimination-and-integrated-fever-surveillance-in-the-brazilian-amazon
#6
Andre M Siqueira, Quique Bassat, Sheila Rodovalho, Marcus V G Lacerda
No abstract text is available yet for this article.
March 2017: Lancet Global Health
https://www.readbyqxmd.com/read/28185296/a-report-of-cerebral-malaria-treated-with-automated-red-blood-cell-exchange
#7
Waseem Q Anani, Gerald P Smith, Mehraboon Irani, Kathleen E Puca
BACKGROUND: Adjunctive automated whole blood or red blood cell exchange (RBCEx) can rapidly decrease malarial hyperparasitemia. Several case reports and series suggest improvement in clinical symptomatology; however, recent Centers of Disease Control and Prevention (CDC) recommendations concluded that RBCEx has no efficacy as an adjunctive therapy. We present a case of mental status changes secondary to cerebral malaria treated with automated RBCEx resulting in rapid and dramatic neurologic improvement...
February 10, 2017: Transfusion
https://www.readbyqxmd.com/read/28173862/pre-travel-malaria-chemoprophylaxis-counselling-in-a-public-travel-medicine-clinic-in-s%C3%A3-o-paulo-brazil
#8
Tânia do Socorro Souza Chaves, Wuelton Marcelo Monteiro, Jessé Reis Alves, Marcus Lacerda, Marta Heloisa Lopes
BACKGROUND: Malaria is one of the most prevalent parasitic diseases in the world and represents a threat to travellers visiting endemic areas. Chemoprophylaxis is the prevention measure used in travel medicine, avoiding clinical manifestations and protecting against the development of severe disease and death. METHODS: Retrospective and descriptive analysis of malaria prevention data in travellers was recorded from a travel medicine clinic in São Paulo, Brazil, between January 2006 and December 2010...
February 7, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28166794/an-epidemiological-study-to-assess-plasmodium-falciparum-parasite-prevalence-and-malaria-control-measures-in-burkina-faso-and-senegal
#9
Aldiouma Diallo, Ali Sié, Sodiomon Sirima, Khadime Sylla, Mahmadou Ndiaye, Mamadou Bountogo, Espérance Ouedraogo, Roger Tine, Assane Ndiaye, Boubacar Coulibaly, Alphonse Ouedraogo, Babacar Faye, El Hadji Ba, Guillaume Compaore, Alfred Tiono, Cheikh Sokhna, Maurice Yé, Amidou Diarra, Edith Roset Bahmanyar, Melanie De Boer, Jean-Yves Pirçon, Effua Abigail Usuf
BACKGROUND: Malariometric information is needed to decide how to introduce malaria vaccines and evaluate their impact in sub-Saharan African countries. METHODS: This cross-sectional study (NCT01954264) was conducted between October and November, 2013, corresponding to the high malaria transmission season, in four sites with Health and Demographic Surveillance Systems (DSS) [two sites with moderate-to-high malaria endemicity in Burkina Faso (Nouna and Saponé) and two sites with low malaria endemicity in Senegal (Keur Socé and Niakhar)]...
February 6, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28164028/the-clinical-spectrum-of-severe-acute-malnutrition-in-children-in-cameroon-a-hospital-based-study-in-yaounde-cameroon
#10
Andreas Chiabi, Berthe Malangue, Seraphin Nguefack, Félicitée Nguefack Dongmo, Florence Fru, Virginie Takou, Fru Angwafo
BACKGROUND: Severe acute malnutrition (SAM) is a major health problem, and the cause of more than half of childhood deaths in children less than 5 years in developing countries. Globally, 20 million children under 5 years of age are severely malnourished according to the World Health Organization (WHO). In Cameroon, the prevalence of SAM remains high and estimated at 1.9% in 2011 and 1.3% in 2014. The aim of this study was to determine the epidemiology, clinical aspects and outcome of SAM at the Yaounde Gynaeco-Obstetric and Pediatric Hospital (YGOPH)...
January 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28153468/anti-malarial-synergy-of-secondary-metabolites-from-morinda-lucida-benth
#11
Bertha Chithambo, Xavier Siwe Noundou, Rui W M Krause
ETHNOPHARMACOLOGICAL RELEVANCE: The roots, stem and leaves of Morinda lucida are used in some African countries as treatment against different types of fevers including yellow fever, malaria, trypanosomiasis and feverish conditions during child birth. AIM OF THE STUDY: To determine the in vitro cell toxicity and anti-malarial activity of the extracts of stem bark of M. lucida and to identify the secondary metabolites in the extract that may be responsible for this activity...
January 30, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28148300/increase-in-imported-malaria-in-the-netherlands-in-asylum-seekers-and-vfr-travellers
#12
Brechje de Gier, Franciska S T Suryapranata, Mieke Croughs, Perry J J van Genderen, Monique Keuter, Leo G Visser, Michele van Vugt, Gerard J B Sonder
BACKGROUND: Malaria is a notifiable disease in the Netherlands, a non-endemic country. Imported malaria infections occur regularly among travellers, migrants and visitors. Surveillance data were analysed from 2008 to 2015. Trends in amounts of notifications among risk groups were analysed using Poisson regression. For asylum seekers, yearly incidence was calculated per region of origin, using national asylum request statistics as denominator data. For tourists, denominator data were used from travel statistics to estimate incidence per travel region up to 2012...
February 2, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28138051/child-gender-and-parental-reporting-of-illness-symptoms-in-sub-saharan-africa
#13
Peter C Rockers, Margaret McConnell
The overwhelming majority of evidence about the health of children in low- and middle-income countries is based on reports by parents. There is limited evidence on whether these reports suffer from systematic bias, particularly related to the gender of the child. We investigate differences in symptom reporting by child gender in a sample of countries in sub-Saharan Africa. Data from 35 Demographic and Health Surveys and 10 Malaria Indicator Surveys conducted since 2005 were analyzed. Parental reports of child symptoms were compared for girls and boys...
January 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28138022/the-severity-of-plasmodium-falciparum-infection-is-associated-with-transcript-levels-of-var-genes-encoding-epcr-binding-pfemp1
#14
Sixbert I Mkumbaye, Christian W Wang, Eric Lyimo, Jakob S Jespersen, Alphaxard Manjurano, Jacklin Mosha, Reginald A Kavishe, Steven B Mwakalinga, Daniel T R Minja, John P Lusingu, Thor G Theander, Thomas Lavstsen
By attaching infected erythrocytes to the vascular lining, Plasmodium falciparum parasites leave blood circulation and avoid splenic clearance. This sequestration is central to pathogenesis. Severe malaria is associated with parasites expressing an antigenically distinct subset of P. falciparum erythrocyte membrane protein 1 (PfEMP1) mediating the binding to endothelial receptors. Previous studies indicate that PfEMP1, with so-called CIDRα1 domains capable of binding endothelial protein C receptor (EPCR), constitute the PfEMP1 subset associated with severe paediatric malaria...
January 30, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28125032/malpighian-tubules-as-novel-targets-for-mosquito-control
#15
REVIEW
Peter M Piermarini, Carlos J Esquivel, Jerod S Denton
The Malpighian tubules and hindgut are the renal excretory tissues of mosquitoes; they are essential to maintaining hemolymph water and solute homeostasis. Moreover, they make important contributions to detoxifying metabolic wastes and xenobiotics in the hemolymph. We have focused on elucidating the molecular mechanisms of Malpighian tubule function in adult female mosquitoes and developing chemical tools as prototypes for next-generation mosquitocides that would act via a novel mechanism of action (i.e., renal failure)...
January 24, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28122576/response-to-fever-and-utilization-of-standby-emergency-treatment-sbet-for-malaria-in-travellers-to-southeast-asia-a-questionnaire-based-cohort-study
#16
Christof D Vinnemeier, Camilla Rothe, Benno Kreuels, Marylyn M Addo, Sabine Vygen-Bonnet, Jakob P Cramer, Thierry Rolling
BACKGROUND: Guidelines in several European countries recommend standby emergency treatment (SBET) for travellers to regions with low or medium malaria transmission instead of continuous chemoprophylaxis: travellers are advised to seek medical assistance within 24 h in case of fever and to self-administer SBET only if they are not able to consult a doctor within the time period specified. Data on healthcare-seeking behaviour of febrile travellers and utilization of SBET is however scarce as only two studies were performed in the mid-1990s...
January 25, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28121670/effect-of-antiretroviral-therapy-on-malaria-incidence-in-hiv-infected-ugandan-adults
#17
Ronnie P Kasirye, Heiner Grosskurth, Paula Munderi, Jonathan Levin, Zacchaeus Anywaine, Andrew Nunn, Anatoli Kamali, Kathy Baisley
INTRODUCTION: Using the data of a trial on cotrimoxazole (CTX) cessation, we investigated the effect of different antiretroviral therapy (ART) regimens on the incidence of clinical malaria. METHODS: During the cotrimoxazole cessation trial (ISRCTN44723643), HIV-infected Ugandan adults with CD4 at least 250 cells/μl were randomized to receive either CTX prophylaxis or placebo and were followed for a median of 2.5 years. Blood slides for malaria microscopy were examined at scheduled visits and at unscheduled visits when the participant felt unwell...
February 20, 2017: AIDS
https://www.readbyqxmd.com/read/28115974/lippia-javanica-burm-f-spreng-traditional-and-commercial-uses-and-phytochemical-and-pharmacological-significance-in-the-african-and-indian-subcontinent
#18
REVIEW
Alfred Maroyi
Lippia javanica occurs naturally in central, eastern, and southern Africa and has also been recorded in the tropical Indian subcontinent. The potential of L. javanica as herbal or recreational tea and herbal medicine and its associated phytochemistry and biological properties are reviewed. The extensive literature survey revealed that L. javanica is used as herbal tea and has ethnomedicinal applications such as in colds, cough, fever, malaria, wounds, diarrhoea, chest pains, bronchitis, and asthma. Multiple classes of phytochemicals including volatile and nonvolatile secondary metabolites such as alkaloids, amino acids, flavonoids, iridoids, and triterpenes as well as several minerals have been identified from L...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28115672/rickettsia-felis-infection-in-febrile-children-ghana
#19
Peter Sothmann, Christian Keller, Ralf Krumkamp, Benno Kreuels, Cassandra Aldrich, Nimako Sarpong, Stefanie Steierberg, Doris Winter, Kennedy Gyau Boahen, Ellis Owusu-Dabo, Jürgen May, Daniel Eibach
Rickettsial infections are an underrecognized cause of febrile illness in sub-Saharan Africa. To evaluate the epidemiology and clinical features of rickettsial disease in pediatric patients in Ghana, we screened blood samples from febrile children aged less than 15 years presenting to an outpatient department in Ghana's Ashanti Region for the presence of rickettsial DNA. We detected Rickettsia felis in 7/470 (1.5%) blood samples, using two independent real-time polymerase chain reactions. No other Rickettsia species were found...
January 23, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28114942/health-worker-adherence-to-malaria-treatment-guidelines-at-outpatient-health-facilities-in-southern-malawi-following-implementation-of-universal-access-to-diagnostic-testing
#20
Ruth J Namuyinga, Dyson Mwandama, Dubulao Moyo, Austin Gumbo, Peter Troell, Miwako Kobayashi, Monica Shah, Andrew Bauleni, Jodi Vanden Eng, Alexander K Rowe, Don P Mathanga, Laura C Steinhardt
BACKGROUND: Appropriate diagnosis and treatment are essential for reducing malaria mortality. A cross-sectional outpatient health facility (HF) survey was conducted in southern Malawi from January to March 2015 to determine appropriate malaria testing and treatment practices four years after implementation of a policy requiring diagnostic confirmation before treatment. METHODS: Enrolled patients were interviewed, examined and had their health booklet reviewed. Health workers (HWs) were asked about training, supervision and access to the 2013 national malaria treatment guidelines...
January 23, 2017: Malaria Journal
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