381 research outputs found

    Hodgkin Lymphoma at the Paediatric Oncology Unit of Gabriel Touré Teaching Hospital, Bamako, Mali: 5-Year Experience

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    Introduction. The aim of this retrospective, unicentric study over 5 years is to describe the epidemiologic, pathologic, clinic and therapeutic aspects of children treated for Hodgkin lymphoma in our paediatric oncology unit. Patients and Methods. From January 2005 to December 2009, all children under 18 years of age, with Hodgkin lymphoma were included in this study. The treatment protocol was the GFAOP (Groupe Franco—Africain d'Oncologie PĂ©diatrique) Hodgkin lymphoma treatment protocol. Results. During the study period, 217 cancer cases were diagnosed in our centre. Of these cases, 7 were Hodgkin Lymphoma (LH) (0.04%). The mean age was 11.7 years. The sex-ratio was 6/1. 4% (5/7) of patients were stage IIB and 28.6% (2/7) stage IIIB of Ann-Arbor classification. There were 3 cases (42.8%) of sclero-nodular subtype, 2 cases (28.6%) of lymphocyte-rich classical HL subtype, 1 case (14.3%) of mixed cellularity and 1 case (14.3%) of lymphocyte depleted subtype. With a median followup of 37 months, 5 patients (71.4%) are alive, and 2 patients (28.6%) died. Conclusion. Broader multicentric studies are needed for more accurate data on this malignancy

    La tuberculose cutanée: observation de six cas confirmés au CHU Souro SANOU (CHUSS) de Bobo-Dioulasso (Burkina Faso)

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    La localisation cutanĂ©e de la maladie tuberculeuse demeure une forme rare et reprĂ©sente seulement 2,1 % des localisations. L'objet de cette Ă©tude est de rapporter le profil Ă©pidĂ©miologique, anatomoclinique et Ă©volutif des cas de tuberculose ganglio-cutanĂ©e diagnostiquĂ©s dans un CHU au Burkina Faso. La frĂ©quence de la tuberculose cutanĂ©e est trĂšs faible au CHUSS. Six cas ont Ă©tĂ© diagnostiquĂ©s entre 2004 et 2010, soit une frĂ©quence de un cas par an. La durĂ©e d'Ă©volution des cas allait de deux jusqu'Ă  dix ans avant leur diagnostic. Les lĂ©sions observĂ©es Ă©taient: trois scrofulodermes, trois gommes, une tuberculose testiculaire associĂ©e Ă  un mal de Pott, un cas de polyadĂ©nopathies et des cicatrices  atrophorĂ©tractiles dans la plupart des cas. Sur le plan  anatomopathologique, des granulomes tuberculoĂŻdes ont Ă©tĂ© mis en Ă©vidence dans tous les cas avec une forte rĂ©action tuberculinique Ă  l'IDR. Sous antituberculeux pendant six mois, l'Ă©volution a Ă©tĂ© bonne dans tous les cas mais au prix de sĂ©quelles cutanĂ©es cicatricielles inesthĂ©tiques. Son ampleur reste peut-ĂȘtre encore mĂ©connue. Le renforcement du plateau technique du CHU et une bonne collaboration interdisciplinaire contribuerait Ă  un meilleur diagnostic et prise en charge de cette affection

    Molecular characterization of extended spectrum beta-lactamase among clinical multidrug resistant Escherichia Coli in two hospitals of Niamey, Niger

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    Objective: The aim of this study was to identify the multiple ESBL genes in Multidrug-resistant (MDR) Escherichia coli isolated in various biological samples in two hospitals of Niamey.Methodology: A total of 195 multidrug-resistant Escherichia coli were included in the study. These isolates were tested using polymerase chain reaction (PCR) for detection of the presence of bla CTX-M, bla TEM, bla SHV and bla OXA-1 beta-lactamase genes.Results: A total of 27.7% of Escherichia coli isolates were ESBL producing strains. Globaly, the bla TEM gene was the most prevalent (70.3%) followed by bla CTX-M (43.1%), bla OXA-1 (31.8%) and bla SHV (4.1%) genes. The four genes type of ESBL were founded simultaneously only in stool samples. Furthermore, none bla SHV gene was found in other samples type.Conclusion: This study showed the presence of various ESBL genes among clinical MDR Escherichia coli. That is why a rational use of antibiotic and appropriate methods of screening ESBL genes in routine laboratories in Niger is needed to control the ESBL genes dissemination.Keywords: MDR ,Escherichia coli, ESBL, bla genes, PCR, Niamey, Niger. Caracterisation moleculaire des betalactamases a spectre etendu chez les souches de Escherichia coli multi resistantes dans deux hopitaux de Niamey, au NigerObjectifs: Le but de cette Ă©tude Ă©tait d'identifier les multiples gĂšnes de BLSE chez les souches de Escherichia coli multi rĂ©sistantes isolĂ©es de diffĂ©rents types d’échantillons biologiques dans deux hĂŽpitaux de Niamey.MĂ©thodologie : Un total de 195 Escherichia coli multi rĂ©sistants a Ă©tĂ© inclus dans l'Ă©tude. Ces isolats ont Ă©tĂ© testĂ©s par la rĂ©action de polymĂ©rase en chaĂźne (PCR) pour dĂ©tecter la prĂ©sence des gĂšnes bla CTX-M, bla TEM, bla SHV et bla OXA-1.RĂ©sultats : Au total, 27,7% des isolats de Escherichia coli multi-rĂ©sistants Ă©taient des souches productrices de BLSE. Globalement le gĂšne bla TEM (70,3%) Ă©tait le plus dĂ©tectĂ© suivi des autres gĂšnes bla CTX-M (43,1%), bla OXA-1 (31,8%) et bla SHV (4,1%). Notons que seul dans les Ă©chantillons de selles quatre types de gĂšnes de BLSE ont Ă©tĂ© trouvĂ©s simultanĂ©ment. Par ailleurs notons qu’aucun gĂšne de type bla SHV n'a Ă©tĂ© trouvĂ© dans les autres types d'Ă©chantillons.Conclusion : Cette Ă©tude avait montrĂ© la prĂ©sence de divers gĂšnes de BLSE chez les souches cliniques de Escherichia coli. C'est pourquoi une utilisation rationnelle des antibiotiques et des mĂ©thodes appropriĂ©es de dĂ©pistage des gĂšnes de BLSE dans les laboratoires sont nĂ©cessaires afin de contrĂŽler la diffusion des gĂšnes de BLSE.Mots clĂ©s : Escherichia coli multi rĂ©sistantes, BLSE, gĂšnes bla, PCR, Niamey, Niger

    Echangeur de chaleur “air-terre” pour la climatisation passive de locaux : Etude de cas rĂ©alisĂ©e au Burkina Faso

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    An Earth Air Heat Exchanger is a novel way to cool and heat buildings using the ground temperature. Earth Air Heat Exchangers are cheaper and they use less energy than traditional air conditioning. These factors make it a perfect technology to cool houses and buildings in Burkina Faso, a developing country with a major indoor cooling demand. This study shows that in Burkina Faso it is possible to build a simple EAHX to cool down ambient air by 10°C which in turn can cool down a room by 1°C-5°C. The EAHX will be 30 meters long, buried 1.5 meters in the ground and use a ventilator with a flow rate of 90 m3/h. In total the EAHX will cost CFA 300,000 ($US 600)
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