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Academic literature on the topic 'Paludisme à Plasmodium vivax – épidémiologie'
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Journal articles on the topic "Paludisme à Plasmodium vivax – épidémiologie"
Picot, S. "Plasmodium vivax est-il encore le paradigme d'un paludisme simple ?" Médecine et Maladies Infectieuses 36, no. 8 (August 2006): 406–13. http://dx.doi.org/10.1016/j.medmal.2006.06.001.
Full textNiyongabo, T., T. H. Duong, C. Baribwira, J. Saugier, J. C. Fraisse, and P. Choutet. "Un cas de paludisme congenital, maladie a Plasmodium vivax Et P. Malariae." Médecine et Maladies Infectieuses 17, no. 10 (October 1987): 582–83. http://dx.doi.org/10.1016/s0399-077x(87)80332-3.
Full textRaccurt, Christian. "Le point sur la résurgence en Europe du paludisme autochtone dû à Plasmodium vivax." Revue Francophone des Laboratoires 2007, no. 396 (November 2007): 49–50. http://dx.doi.org/10.1016/s1773-035x(07)80363-7.
Full textBaha, L., D. Blanchet, N. Elenga, G. Egmann, B. Carme, F. Djossou, M. Demar, and L. Epelboin. "Formes graves de paludisme à Plasmodium vivax : caractéristiques sociologiques, cliniques et biologiques associées à l’anémie profonde." Médecine et Maladies Infectieuses 47, no. 4 (June 2017): S98. http://dx.doi.org/10.1016/j.medmal.2017.03.240.
Full textDoumbo, Ogobara. "Polymorphismes érythrocytaires au Mali : épidémiologie et mécanismes de résistance contre la progression vers les formes graves du paludisme à Plasmodium falciparum." Bulletin de l'Académie Nationale de Médecine 191, no. 4-5 (April 2007): 783–84. http://dx.doi.org/10.1016/s0001-4079(19)33014-6.
Full textDjossou, F., Y. Levy, M. Demar-Pierre, A. Mahamat, R. Naldjinan, P. Abboud, and B. Carme. "O-08 Primaquine pour la prévention des accès de reviviscence de paludisme à Plasmodium vivax. Étude prospective de tolérance et d’efficacité de 2003 à 2007 en Guyane française." Médecine et Maladies Infectieuses 39 (June 2009): S65. http://dx.doi.org/10.1016/s0399-077x(09)74480-4.
Full textBrito, Maysa Vasconcelos de, Ana Maria Braga da Silva França, Amanda Alves Fecury, Euzébio de Oliveira, Carla Viana Dendasck, and Cláudio Alberto Gellis de Mattos Dias. "Profil épidémiologique du paludisme grave chez les nouveau-nés et les adolescents traités en 2016 dans un hôpital de référence de l’État d’Amapá, au Brésil." Revista Científica Multidisciplinar Núcleo do Conhecimento, June 22, 2020, 05–23. http://dx.doi.org/10.32749/nucleodoconhecimento.com.br/sante/paludisme-grave.
Full textDissertations / Theses on the topic "Paludisme à Plasmodium vivax – épidémiologie"
Barnadas, Céline. "Épidémiologie moléculaire et résistance de Plasmodium vivax aux antipaludiques à Madagascar." Lyon 1, 2008. http://tel.archives-ouvertes.fr/docs/00/33/05/91/PDF/theseCeline_vivax.pdf.
Full textOur objective was to assess (i) the importance of Plasmodium vivax infections in Madagascar, (ii) the parasite sensitivity to antimalarial drugs, and (iii) molecular markers role to monitor antimalarial drug resistance. The study was led on 8 sentinel sites. An in vivo protocol was conducted according to WHO criteria. P. Vivax isolates were analysed for nucleotidic polymorphisms on pvcrt-o, pvmdr1, pvdhfr and pvdhps genes. We searched fro polymorphisms on pvcsp, pvmsp3, pvmsp1 genes and on microsatellites sequences to genotype the isolates from the in vivo protocol. Microsatellites markers were also used to assess the genetic diversity of the Malagasy isolates. Other microsatellites sequences located in the flanking regions of dhfr and dhps genes were identified to assess the origin and propagation of resistant clones
Stéfani, Aurélia. "Epidémiologie du paludisme et environnement : étude de deux communautés amérindiennes de l'est et de l'ouest guyanais." Thesis, Antilles-Guyane, 2011. http://www.theses.fr/2011AGUY0448/document.
Full textThe aim of our study was to analyze the incidence of malaria in children and its evolution through time and space, as well as to search for risk factors in a village in Mid-Oyapock (Camopi), populated by Amerindians Wayampi and Emerillon, on the one hand, and a village in Upper-Maroni (Antecume Pata), populated by Amerindians Wayana, on the other hand. The approach was multiple with, for both study sites:- A survival analysis (Cox modelling) completed out of biologically confirmed malaria attacks in a cohort of children under seven, as well as a Knowledge, Attitudes, Practices and Behavior (KAPB) questionnaire, and also the characteristics of the houses and the description of their immediate environment.- A spatial analysis with a land cover classification from SPOT 5 satellite images, the extraction of environmental variables, the study of their effect on malaria transmission and the development of an objective method for picking the proper observation horizon around houses in order to characterize the environment.- A time series study (ARIMA) to determine the effect of climatic and hydrological events on malaria at local and global (El Niño) scales.The incidence rates of malaria attacks during the period 2001-2009 were particularly high among young children, especially in Camopi with an average of 773‰ by year. A sharp decline in incidence occurred in 2007 on the Upper Maroni and this phenomenon has been observed in Camopi since 2010. An acquired immunity develops quite rapidly during the life (2-3 years old), especially against P. vivax relapses. Environmental factors were found to be the most strongly associated with malaria incidence. Indeed, living in a hut cleared from the surrounding vegetation and at a larger distance from the forest are protective factors. The geographic component also appeared essential in Camopi with an incidence which varied with the river of living and with the distance from the main hamlet. The local meteorological factors (temperature and river level) also proved to be linked to malaria incidence in the short term (0-3 months). Moreover, our results have allowed issuing a number of assumptions about the transmission and the local vector(s), in particular to suggest the involvement of another vector than An. darlingi in the malaria transmission in Camopi. We also proved by this work that remote sensing and geographic information systems hold great promise for the inclusion of the spatial and environmental dimensions in the study of transmitted diseases, especially in areas of difficult access in French Guiana
Khim, Nimol. "Approche génomique et bioinformatique de l'émergence et de la diffusion des résistances chez Plasmodium au Cambodge." Thesis, Montpellier 1, 2014. http://www.theses.fr/2014MON13517/document.
Full textMalaria, a protozoan vector-borne disease, is mainly prevalent in tropical areas, where nearly 40% of the world population is residing and remains one of the most concerns for public health worldwide. In Cambodia, the five Plasmodium species known to cause malaria in humans are present. The main feature of this country is that it is recognized as the epicenter of the emergence of multi-resistant P. falciparum parasites (to chloroquine, sulfadoxine-pyrimethamine, mefloquine, and artemisinin), a very significant menace to public health in the Mekong region that could impact the worldwide strategy to fight malaria. The thesis presented here, entitled “Genomics and Bioinformatics in the emergence and spread of resistant Plasmodium in Cambodia” aimed to develop new molecular and biological tools for:1) improving our understanding of the collateral impact of the strategies implemented to fight against falciparum malaria on the other Plasmodium species; 2) defining the molecular epidemiology of antimalarial resistant parasites, especially resistance to quinine and artemisinin derivatives;3) studying and defining the structure of P. falciparum parasite populations circulating in Cambodia to estimate areas at risk of spread of artemisinin resistance, using genomic approaches and bioinformatics. This thesis was carried out in the Malaria Molecular Epidemiology Unit at Pasteur Institute in Cambodia (IPC) under the co-direction of Dr. Didier Ménard (Head of the Unit, IP) and Pr. Emmanuel Cornillot (Professor, University of Montpellier I). The first objective of this work was to study the impact of drug used to treat falciparum malaria on the dynamics of other Plasmodium species. In a first step, we evaluated the polymorphism in gene associated to pyrimethamine resistance (dhfr gene, dihydrofolate reductase) in Plasmodium malariae and in Plasmodium ovale (article 1 and manuscript in preparation 1) and the polymorphism in mdr-1 gene (multidrug resistance 1 gene) associated to mefloquine resistance in P. vivax (article 2). Secondly, in collaboration with Pasteur Institute in Madagascar, we investigated the association between the polymorphism in Plasmodium falciparum Na + / H + exchanger gene (Pfnhe-1) and quinine resistance defined either by clinical or in vitro phenotypes (articles 3 and 4). The second objective was focused on the development of novel biological and molecular tools to assess the resistance of P. falciparum to artemisinin derivatives. The three papers presented (articles 5, 6 and 7) describe an original approach combining genomics, biological, clinical and epidemiological studies, which lead to the discovery of a molecular marker (mutations Kelch 13 gene) associated to artemisinin resistance.The third and final objective was devoted to the development of the PCR-LDR-FMA technology applied to the detection of a panel of 24 SNPs to characterize a "barcode" of P. falciparum isolates. This technic coupled with bioinformatics and statistical analysis allowed us to study and define the structure of the parasite populations circulating in Cambodia for estimating areas at risk of spread of artemisinin resistance (manuscript in preparation 2). Through this work, we have tried to show the usefulness of available molecular biology methods coupled with genomic and bioinformatics approaches to improve our understanding of the dynamics of the malaria parasite populations. This work has been mainly focused on the emergence and spread of antimalarial resistant parasites, keeping in mind that the ultimate goal of this work was to improve strategies implemented to achieve the ambitious goal of malaria elimination
Bouh, Abdi Khaireh Bouh. "Etude du paludisme dans les zones de faible transmission : vers la pre-élimination du paludisme à Djibouti." Thesis, Aix-Marseille, 2012. http://www.theses.fr/2012AIXM5057.
Full textNigeria, the Democratic Republic of Congo, Uganda, Ethiopia and Tanzania represent 50% of malaria deaths and 47% of total malaria cases. However, the decrease in the number of cases and worldwide increased control activities were encouraging news which lead the WHO to declare that malaria can be controlled and eliminated later. The recommendations of experts in the worldwide fight against malaria recommend targeting areas where elimination is possible, areas of low transmission, and hence moving towards areas more affected by malaria. This requires a precise knowledge of the malaria situation in the region. Geographical regional assemblies where malaria transmission is experiencing a significant decrease, as the Horn of Africa, and having extremely porous frontiers to the movement of human populations, therefore pathogens, must be the priority target. Thus an assessment of the level of transmission and the risk of potential recurrence, posed by the importation of new strains, was indispensable in order to achieve sustainable elimination. In this context, the Republic of Djibouti, who showed extremely low prevalence in recent years, is embarked on an attempt to pre-eliminate malaria. The aim of our study was to observe changes, over a period of 11 years (1998-2009), in the level of malaria occurrence, malaria transmission, but also the level of its potential importation from neighboring countries and finally the vectors population dynamics. These results could serve as a basis of reflection, for the health authorities of the country or international partners, to a possible adjustment of the current policy of fight against malaria
Brega, Sara. "Mécanismes de résistance de Plasmodium vivax aux antipaludiques." Lyon 1, 2005. http://www.theses.fr/2005LYO10181.
Full textSow, Fatimata. "Métacaspases : cibles thérapeutiques contre le paludisme." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSE1275/document.
Full textMalaria remains one of the main causes of infant mortality in the tropical world.The continuous emergence of parasite resistant to drug treatment is a serious threat to public health. Exploring new therapeutics targets based on depth knowledge on molecular mechanism of the parasite’s life is utmost needed in a paradigm of « red queen», which applies perfectly on the ability of the parasitic adaptation. The recent discovery of metacaspase of Plasmodium falciparum (PfMCA1) and the demonstration of its potential role in apoptosis, make it a therapeutic target against malaria. In order to increase knowledge about this protein, we planned, to determine the three-dimensional structure of PfMCA1, to confirm the different structures predicted in silico, and to look for new drug using molecular docking. However, this goal was not reached, since autoprocessing occurred during expression, and we failed to obtain the full-length protein. Then we studied the metacaspase of Plasmodium vivax (PvMCA1) in comparison with PfMCA1 and, we shown that histidine and cysteine residues in the dyad catalytic are well conserved. We have identified a second potential site in the catalytic domain of PvMCA1. We shown that residues in both putative sites are highly polymorphic in samples from Mauritania, Sudan and Oman. Mutations on these residues need to be deeply studied for their effects on the PvMCA1 function. This polymorphism found in catalytic residues of PvMCA1should be evaluated as new molecular marker of resistance
Barnadas, Celine. "Epidemiologie moléculaire et résistance de Plasmodium vivax aux antipaludiques à Madagascar." Phd thesis, Université Claude Bernard - Lyon I, 2008. http://tel.archives-ouvertes.fr/tel-00330591.
Full textPour cela, notre étude a été conduite sur 8 sites sentinelles. Les patients présentant un paludisme causé par P. vivax ont été inclus dans des tests d'efficacité thérapeutique selon les critères de l'OMS. L'analyse de polymorphismes génétiques sur les gènes pvcrt-o, pvmdr1, pvdhfr et pvdhps, impliqués dans la résistance aux antipaludiques, ainsi que sur les gènes pvcsp, pvmsp3, pvmsp1 utilisés pour le génotypage des souches a été réalisée sur les isolats
collectés. Des marqueurs microsatellites ont également été recherchés pour évaluer la diversité génétique de ces isolats, ainsi que la circulation des souches parasitaires et la propagation des isolats résistants.
Gauthier, Céline. "Diversité et structure de populations naturelles de Plasmodium Falciparum, agent du paludisme, en zones de transmission instable, au Vénézuela et à Madagascar." Montpellier 2, 2004. http://www.theses.fr/2004MON20139.
Full textGoupeyou, Youmsi Jessy Marlène. "Contribution des anophèles à la transmission de Plasmodium falciparum et de Plasmodium vivax à Madagascar. Mise en place d'une plateforme expérimentale pour l'étude de leur compétence vectorielle." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS178/document.
Full textMalaria remains a major health concern in sub-Saharan Africa. The limited number of antimalarial drugs, the emergence of resistances and the lack of an effective vaccine, make vector control the main preventive strategy for this disease. Current methods of vector control aim at limiting or interrupting parasite development in the vector mosquito. It is therefore necessary to improve our understanding on interactions between the Anopheles vector, its environment and the parasite Plasmodium. In Madagascar, Anopheles gambiae s.l. and Anopheles funestus are the major vectors of Plasmodium falciparum and Plasmodium vivax. Anopheles mascarensis, an endemic species, may also be an important vector. In this context, the main objective of my PhD was to deepen the knowledge on An. mascarensis through a review. The data collected indicate that An. mascarensis is a complex of sibling species. I could thus provide the foundation for targeted molecular analysis. In parallel, in order to evaluate their vector competence, I contributed in a major way to the establishment of the first experimental platform of Madagascar to infect anopheline mosquitoes by P. falciparum and P. vivax. Finally, combining entomology and immuno-parasitology, we analysed the contribution of vectors to malaria transmission in two neighbouring villages. All the work done during my PhD contributes to a better knowledge of the diversity of malaria transmission in Madagascar, especially on the effective contribution of the different vector species. In addition, the establishment of the experimental platform for infections will further allow the analysis of the competence of vector Anopheles populations
Rey, Philippe. "Aspects épidémiologiques du paludisme dans la ville de Kumba, Cameroun - Province du sud-ouest." Bordeaux 2, 1989. http://www.theses.fr/1989BOR25126.
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