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https://www.readbyqxmd.com/read/28820705/the-impact-of-introducing-malaria-rapid-diagnostic-tests-on-fever-case-management-a-synthesis-of-ten-studies-from-the-act-consortium
#1
Katia J Bruxvoort, Baptiste Leurent, Clare I R Chandler, Evelyn K Ansah, Frank Baiden, Anders Björkman, Helen E D Burchett, Sîan E Clarke, Bonnie Cundill, Debora D DiLiberto, Kristina Elfving, Catherine Goodman, Kristian S Hansen, S Patrick Kachur, Sham Lal, David G Lalloo, Toby Leslie, Pascal Magnussen, Lindsay Mangham-Jefferies, Andreas Mårtensson, Ismail Mayan, Anthony K Mbonye, Mwinyi I Msellem, Obinna E Onwujekwe, Seth Owusu-Agyei, Mark W Rowland, Delér Shakely, Sarah G Staedke, Lasse S Vestergaard, Jayne Webster, Christopher J M Whitty, Virginia L Wiseman, Shunmay Yeung, David Schellenberg, Heidi Hopkins
Since 2010, the World Health Organization has been recommending that all suspected cases of malaria be confirmed with parasite-based diagnosis before treatment. These guidelines represent a paradigm shift away from presumptive antimalarial treatment of fever. Malaria rapid diagnostic tests (mRDTs) are central to implementing this policy, intended to target artemisinin-based combination therapies (ACT) to patients with confirmed malaria and to improve management of patients with nonmalarial fevers. The ACT Consortium conducted ten linked studies, eight in sub-Saharan Africa and two in Afghanistan, to evaluate the impact of mRDT introduction on case management across settings that vary in malaria endemicity and healthcare provider type...
August 7, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28819541/mortality-among-5-17-year-old-children-in-kenya
#2
Bonface Ombaba Osano, Fred Were, Shanaaz Mathews
INTRODUCTION: Global mortality trends have changed over time and are expected to continue changing with a reduction in communicable diseases and an increase of non-communicable disease. Increased survival of children beyond five years may change mortality patterns for these children. There are few studies in Africa that explore the causes of mortality in children over five years. The objective of this study was to determine the mortality rate and clinical profiles of children aged 5-17 years who died in six Kenyan hospitals in 2013...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28814579/hepatosplenic-schistosomiasis-playing-hide-and-seek-with-an-elusive-parasite
#3
Martin Baekby, Henning Glerup, Katrine Stribolt, Britta Tarp
A 27-year-old man of Eritrean origin presented with persistent left-sided abdominal pain. Initial investigation showed signs of liver fibrosis, portal hypertension and splenomegaly. A diagnosis of hepatosplenic schistosomiasis was suspected on grounds of elevated total IgE, grey area antischistosomiasis antibodies and the high endemic status of his native country. However, repeated microscopy of faecal and urine samples, as well as rectal biopsies, failed to demonstrate schistosomal eggs. Finally, the diagnosis of hepatosplenic schistosomiasis was established through demonstration of a Schistosoma mansoni egg in a liver biopsy taken in an attempt to clarify the cause of the above findings...
August 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28807026/circulating-micrornas-in-malaria-infection-bench-to-bedside
#4
REVIEW
Supat Chamnanchanunt, Suthat Fucharoen, Tsukuru Umemura
Severe malaria has a poor prognosis with a morbidity rate of 80% in tropical areas. The early parasite detection is one of the effective means to prevent severe malaria of which specific treatment strategies are limited. Many clinical characteristics and laboratory testings have been used for the early diagnosis and prediction of severe disease. However, a few of these factors could be applied to clinical practice. MicroRNAs (miRNAs) were demonstrated as useful biomarkers in many diseases such as malignant diseases and cardiovascular diseases...
August 15, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28797261/evaluation-of-carestart%C3%A2-malaria-hrp2-pldh-pf-pan-combo-test-in-a-malaria-low-transmission-region-of-senegal
#5
Mamadou Alpha Diallo, Khadim Diongue, Mouhamadou Ndiaye, Amy Gaye, Awa Deme, Aida S Badiane, Daouda Ndiaye
BACKGROUND: This study was initiated from the observation that prevalence of malaria obtained with rapid diagnostic test (RDT) (CareStart™Malaria HRP2/pLDH Combo Test) was higher than in microscopy in a malaria low transmission area of Senegal. PCR was then performed to evaluate the performance of the RDT compared to microscopy in clinical settings. METHODS: The study included 215 patients suspected of malaria in two peri-urban area of Dakar. Finger-pick blood samples were tested using RDT (CareStart™Malaria HRP2/pLDH Combo Test)...
August 10, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28789644/hydrophilic-treated-plastic-plates-for-wide-range-analysis-of-giemsa-stained-red-blood-cells-and-automated-plasmodium-infection-rate-counting
#6
Muneaki Hashimoto, Shouki Yatsushiro, Shohei Yamamura, Masato Tanaka, Hirokazu Sakamoto, Yusuke Ido, Kazuaki Kajimoto, Mika Bando, Jun-Ichi Kido, Masatoshi Kataoka
BACKGROUND: Malaria is a red blood cell (RBC) infection caused by Plasmodium parasites. To determine RBC infection rate, which is essential for malaria study and diagnosis, microscopic evaluation of Giemsa-stained thin blood smears on glass slides ('Giemsa microscopy') has been performed as the accepted gold standard for over 100 years. However, only a small area of the blood smear provides a monolayer of RBCs suitable for determination of infection rate, which is one of the major reasons for the low parasite detection rate by Giemsa microscopy...
August 8, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28783391/diagnosis-and-initial-management-of-malaria
#7
Daniel R Stevenson, Tumena Corrah
No abstract text is available yet for this article.
August 2, 2017: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/28777043/diagnostic-potential-of-monoclonal-antibodies-developed-against-c-terminal-polypeptide-of-p-falciparum-histidine-rich-protein2-pfhrp2-in-malaria-infected-patients-from-india
#8
Reena Verma, Sara Chandy, N S Jayaprakash, Anand Manoharan, M A Vijayalakshmi, Krishnan Venkataraman
Malaria, caused by Plasmodium falciparum has become a major health burden in most tropical and developing countries. P. falciparum Histidine Rich Protein2 (PfHRP2), which exhibits polymorphism, is being widely used as a diagnostic marker. Recently, we reported the development of monoclonal antibodies against conserved C-terminal 105 amino acids of PfHRP2 for malaria diagnosis. Now, in this study, the diagnostic performance of two anti-C-terminal PfHRP2 mAbs (b10c1 and Aa3c10) were evaluated with 100 blood samples from clinically identified malaria patients from seven different geographical centers in India...
August 4, 2017: Pathogens and Global Health
https://www.readbyqxmd.com/read/28771615/substantial-asymptomatic-submicroscopic-plasmodium-carriage-during-dry-season-in-low-transmission-areas-in-senegal-implications-for-malaria-control-and-elimination
#9
Makhtar Niang, Laty Gaye Thiam, Rokhaya Sane, Nafissatou Diagne, Cheikh Talla, Souleymane Doucoure, Joseph Faye, Fode Diop, Abdoulaye Badiane, Babacar Diouf, Diogop Camara, Fatoumata Diene-Sarr, Cheikh Sokhna, Vincent Richard, Aissatou Toure-Balde
BACKGROUND: In the progress towards malaria elimination, the accurate diagnosis of low-density asymptomatic infections is critical. Low-density asymptomatic submicroscopic malaria infections may act as silent reservoirs that maintain low-level residual malaria transmission in the community. Light microscopy, the gold standard in malaria diagnosis lacks the sensitivity to detect low-level parasitaemia. In this study, the presence and prevalence of submicroscopic Plasmodium carriage were investigated to estimate the parasites reservoir among asymptomatic individuals living in low transmission areas in Dielmo and Ndiop, Senegal during the dry season...
2017: PloS One
https://www.readbyqxmd.com/read/28768730/detection-of-plasmodium-spp-infection-by-the-illumigene%C3%A2-malaria-assay-compared-to-reference-microscopy-and-real-time-pcr
#10
Candace Rypien, Barbara Chow, Wilson Chan, Deirdre Church, Dylan R Pillai
Malaria is one of the leading causes of infectious disease in returning travelers from the tropics. Diagnosis of malaria is typically performed by examination of Giemsa-stained thick and thin peripheral blood smears, which is time-consuming, labor-intensive and requires high levels of proficiency. Alternatively, loop-mediated isothermal amplification (LAMP) is a new molecular method, which is rapid, sensitive, and requires less capital equipment and technological training. We conducted a retrospective study comparing two formats of a commercial LAMP assay (Meridian illumigene® Malaria [M] and Malaria Plus [MP]) versus reference microscopy on archived blood specimens (n=140) obtained from unique returning travelers suspected of having malaria...
August 2, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28764157/seroepidemiology-of-spotted-fever-rickettsiosis-in-uttar-pradesh-a-prospective-study
#11
Chandra Dev Pati Tripathi, Mastan Singh, Jyotsna Agarwal, Chandra Kanta, Virendra Atam
INTRODUCTION: Spotted Fever Rickettsiosis (SFR), an acute febrile illness caused by Rickettsia rickettsii, R. conorii and R. akari which is associated with considerable morbidity and mortality. SFR is one of the most covert emerging infections of the present time which is prevalent in various parts of India as shown by the increase in the number of clinically diagnosed patients in various states except Uttar Pradesh. AIM: To diagnose SFR in clinically suspected patients using serological tests and recognition of common epidemiologic situations and clinical manifestations of SFR in the state of Uttar Pradesh...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28761609/evaluation-of-severe-malaria-case-management-in-mazowe-district-zimbabwe-2014
#12
Bargley Makumbe, Cremence Tshuma, Gerald Shambira, More Mungati, Notion Tafara Gombe, Donewell Bangure, Tsitsi Patience Juru, Mufuta Tshimanga
INTRODUCTION: Malaria is a preventable and curable disease. Mazowe district had been experiencing a lower malaria transmission rate in comparison to other districts in the Mashonaland Central province but it experienced a huge outbreak in the 2013-2014 rainy seasons with a case fatality rate (CFR) of 0.21%. This CFR was the highest in the province and it was twice as much as the national CFR (0.12%) for the same period. We evaluated severe malaria case management in Mazowe district to determine if practice is as per standard treatment guidelines...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28761599/factors-associated-with-severe-malaria-among-children-below-ten-years-in-mutasa-and-nyanga-districts-zimbabwe-2014-2015
#13
Faith Mutsigiri-Murewanhema, Patron Trish Mafaune, Gerald Shambira, Tsitsi Juru, Donewell Bangure, More Mungati, Notion Tafara Gombe, Mufuta Tshimanga
INTRODUCTION: Severe malaria is a rare life threatening illness. Only a small proportion of patients with clinical malaria progress to this medical emergency. On reviewing 61 malaria death investigation forms submitted to the provincial office in 2014, 22(36%) were children below ten years who succumbed to severe malaria. Mutasa and Nyanga Districts reported 73% of these deaths. This study was conducted to determine factors associated with severe malaria so as to come up with evidence based interventions to prevent severe malaria and associated mortality...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28761494/underdiagnosed-complicated-plasmodium-vivax-malaria-in-a-child-need-to-think
#14
Sonu Agrawal
Malaria is major cause of morbidity and mortality worldwide. The highest incidence of malaria in the world is South East Asia. India is most affected country followed by Indonesia and Myanmar. The prevalence of malaria varies according to geographical region. Diagnosis of malaria infection has been underestimated. Here, we report a case of under-diagnosed complicated vivax malaria in one-yr-old child in 2016. Early diagnosis and prompt treatment can reduce both morbidity and mortality in complicated malaria infection...
April 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28743266/non-falciparum-malaria-imported-mainly-from-africa-a-review-from-a-portuguese-hospital
#15
Rogério Ruas, André Pinto, João Nuak, António Sarmento, Cândida Abreu
BACKGROUND: Non-falciparum malaria (NFM) has been reported to be responsible for around 25% of imported malaria cases in Europe but is often neglected due to its less severe clinical course when compared to Plasmodium falciparum. Differentiation between species is however crucial for a correct approach. The objective of this study is to report the cases of this often missed aetiology of malaria in a tertiary hospital in Portugal. METHODS: Data were retrospectively analysed from patients admitted from January 2006 to August 2016 with a NFM diagnosis based on microscopy, rapid diagnostic tests (RDT) (BinaxNow(®)) and/or PCR...
July 25, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28738868/comparative-evaluation-of-fluorescent-in-situ-hybridization-and-giemsa-microscopy-with-quantitative-real-time-pcr-technique-in-detecting-malaria-parasites-in-a-holoendemic-region-of-kenya
#16
Joseph Osoga, John Waitumbi, Bernard Guyah, James Sande, Cornel Arima, Michael Ayaya, Caroline Moseti, Collins Morang'a, Martin Wahome, Rachel Achilla, George Awinda, Nancy Nyakoe, Elizabeth Wanja
BACKGROUND: Early and accurate diagnosis of malaria is important in treatment as well as in the clinical evaluation of drugs and vaccines. Evaluation of Giemsa-stained smears remains the gold standard for malaria diagnosis, although diagnostic errors and potential bias estimates of protective efficacy have been reported in practice. Plasmodium genus fluorescent in situ hybridization (P-Genus FISH) is a microscopy-based method that uses fluorescent labelled oligonucleotide probes targeted to pathogen specific ribosomal RNA fragments to detect malaria parasites in whole blood...
July 24, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28734514/malaria-in-children
#17
REVIEW
Lauren M Cohee, Miriam K Laufer
Malaria is a leading cause of morbidity and mortality in endemic areas, leading to an estimated 438,000 deaths in 2015. Malaria is also an important health threat to travelers to endemic countries and should be considered in evaluation of any traveler returning from a malaria-endemic area who develops fever. Considering the diagnosis of malaria in patients with potential exposure is critical. Prompt provision of effective treatment limits the complications of malaria and can be life-saving. Understanding Plasmodium species variation, epidemiology, and drug-resistance patterns in the geographic area where infection was acquired is important for determining treatment choices...
August 2017: Pediatric Clinics of North America
https://www.readbyqxmd.com/read/28728595/malaria-after-international-travel-a-geosentinel-analysis-2003-2016
#18
Kristina M Angelo, Michael Libman, Eric Caumes, Davidson H Hamer, Kevin C Kain, Karin Leder, Martin P Grobusch, Stefan H Hagmann, Phyllis Kozarsky, David G Lalloo, Poh-Lian Lim, Calvin Patimeteeporn, Philippe Gautret, Silvia Odolini, François Chappuis, Douglas H Esposito
BACKGROUND: More than 30,000 malaria cases are reported annually among international travellers. Despite improvements in malaria control, malaria continues to threaten travellers due to inaccurate perception of risk and sub-optimal pre-travel preparation. METHODS: Records with a confirmed malaria diagnosis after travel from January 2003 to July 2016 were obtained from GeoSentinel, a global surveillance network of travel and tropical medicine providers that monitors travel-related morbidity...
July 20, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28728558/accuracy-of-a-plasmodium-falciparum-specific-histidine-rich-protein-2-rapid-diagnostic-test-in-the-context-of-the-presence-of-non-malaria-fevers-prior-anti-malarial-use-and-seasonal-malaria-transmission
#19
Francois Kiemde, Massa Dit Achille Bonko, Marc Christian Tahita, Palpouguini Lompo, Toussaint Rouamba, Halidou Tinto, Michael Boele van Hensbroek, Petra F Mens, Henk D F H Schallig
BACKGROUND: It remains challenging to distinguish malaria from other fever causing infections, as a positive rapid diagnostic test does not always signify a true active malaria infection. This study was designed to determine the influence of other causes of fever, prior anti-malarial treatment, and a possible seasonality of the performance of a PfHRP2 RDT for the diagnosis of malaria in children under-5 years of age living in a malaria endemic area. METHODS: A prospective etiology study was conducted in 2015 among febrile children under 5 years of age in Burkina Faso...
July 20, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28728201/-fever-and-headache-after-a-vacation-in-thailand
#20
Benedikt Schwermer, Daniel Eschle, Constantine Bloch-Infanger
History 50 year-old man with fever and headache starting one week after returning from his vacation in Thailand. His general practitioner prescribed amoxicillin/clavulanic acid, without further analyses to pinpoint the infection. Examinations The examination of cerebro-spinal fluid was crucial for the final diagnosis. Lumbar puncture demonstrated a predominantly mononuclear pleocytosis of 80 cells/µl (< 5) with an elevated protein of 782 mg/l (< 450); glucose and lactate were within normal limits...
July 2017: Deutsche Medizinische Wochenschrift
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