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Search Results: 1 - 10 of 61 matches for " Baya Bocar "
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Pulmonary Hypoplasia: A Rare Cause of Chronic Cough in TB Endemic Area  [PDF]
Ouattara Khadidia, Kanoute Tenin, Baya Bocar, Soumaré Dianguina, Kamian Youssouf Mama, Sidibé Youssouf, Fofana Aminata, Traoré Mohamed Maba, Guindo Ibrahim, Sidibe Fatoumata, Dakouo Aimé Paul, Sanogo Fatoumata Bintou, Bamba Salimata, Coulibaly Lamine, Yossi Oumar, Kone Drissa Samba, Toloba Yacouba
Open Journal of Respiratory Diseases (OJRD) , 2019, DOI: 10.4236/ojrd.2019.91002
Abstract: Pulmonary hypoplasia is a rare disease characterized by a defect of lung development more often unilateral. The diagnosis requires several exams to eliminate other causes of pulmonary retraction. We report two cases at the department of pneumophtisiology of the University Teaching Hospital of Point G. The first case is a young adult who was complaining of a chronic cough. Etiological investigation required several exams including spirometry and Computed tomographic scan (CT scan). After elimination of all suspected causes of pulmonary opacity, the diagnosis of pulmonary hypoplasia was retained. The second case is a 2-year-old girl who was born with congenital cardiopathy whose respiratory complications were increasing during her childhood and respiratory explorations discovered pulmonary agenesis. Pulmonary hypoplasia is rare in our medical practice, but attention must be drawn to a retractile pulmonary opacity in young age after elimination of all infectious causes in TB endemic area.
Whole Genome Sequencing of Mycobacterium africanum Strains from Mali Provides Insights into the Mechanisms of Geographic Restriction
Kathryn Winglee?,Abigail Manson McGuire?,Mamoudou Maiga?,Thomas Abeel?,Terrance Shea?,Christopher A. Desjardins?,Bassirou Diarra?,Bocar Baya,Moumine Sanogo?,Souleymane Diallo
PLOS Neglected Tropical Diseases , 2016, DOI: 10.1371/journal.pntd.0004332
Abstract: Background Mycobacterium africanum, made up of lineages 5 and 6 within the Mycobacterium tuberculosis complex (MTC), causes up to half of all tuberculosis cases in West Africa, but is rarely found outside of this region. The reasons for this geographical restriction remain unknown. Possible reasons include a geographically restricted animal reservoir, a unique preference for hosts of West African ethnicity, and an inability to compete with other lineages outside of West Africa. These latter two hypotheses could be caused by loss of fitness or altered interactions with the host immune system. Methodology/Principal Findings We sequenced 92 MTC clinical isolates from Mali, including two lineage 5 and 24 lineage 6 strains. Our genome sequencing assembly, alignment, phylogeny and average nucleotide identity analyses enabled us to identify features that typify lineages 5 and 6 and made clear that these lineages do not constitute a distinct species within the MTC. We found that in Mali, lineage 6 and lineage 4 strains have similar levels of diversity and evolve drug resistance through similar mechanisms. In the process, we identified a putative novel streptomycin resistance mutation. In addition, we found evidence of person-to-person transmission of lineage 6 isolates and showed that lineage 6 is not enriched for mutations in virulence-associated genes. Conclusions This is the largest collection of lineage 5 and 6 whole genome sequences to date, and our assembly and alignment data provide valuable insights into what distinguishes these lineages from other MTC lineages. Lineages 5 and 6 do not appear to be geographically restricted due to an inability to transmit between West African hosts or to an elevated number of mutations in virulence-associated genes. However, lineage-specific mutations, such as mutations in cell wall structure, secretion systems and cofactor biosynthesis, provide alternative mechanisms that may lead to host specificity.
Mixed
Pau Baya
Coolabah , 2011,
Abstract:
Resumen de los aspectos destacados de las guías de la American Heart Association de 2010 para Reanimación Cardiopulmonar y Atención Cardiovascular de Emergencia
Maya Sanchez-Baya
Revista Científica Ciencia Médica , 2010,
Abstract: El presente artículo, resume los principales cambios de las guías de la American Heart Association (AHA) del a o 2010 para la aplicación de la Reanimación Cardiopulmonar (RCP) y Atención Cardiovascular de Emergencia (ACE), basándose en una evaluación extensa de evidencia internacional sobre reanimación. La publicación de estas guías coincide convenientemente con el 50 aniversario de la primera publicación médica con revisión científica externa, en la que se documentó la supervivencia tras la compresión torácica cerrada, para el paro cardíaco.
PRODUCTION OF DISSOLVING GRADE PULP FROM ALFA
Baya Bouiri,Moussa Amrani
BioResources , 2010,
Abstract: Alfa, also known as Stipa tenacissimaI or “halfa”, is grown in North Africa and south Spain. Due to its short fiber length, paper made from alfa pulp retains bulk and takes block letters well. In this study alfa was evaluated for bleached pulp production. Two cellulose pulps with different chemical compositions were pulped by a conventional kraft process. One sample was taken from the original alfa material and another from alfa that had been pretreated by diluted acid. The pulp produced from the pretreated alfa was bleached by the elemental-chlorine-free sequences DEPD and DEDP. The yield, Kappa number, brightness, and α- cellulose content of bleached and unbleached pulps were evaluated. The results showed that during the chemical pulping process, treated alfa cooked more easily than the original alfa. The treated alfa pulp also showed very good bleaching, reaching a brightness level of 94.8% ISO with a yield of 93.6% at an α-cellulose content 96.8(%) with a DEDP bleaching sequence, compared to 83.2% ISO brightness level, 92.8% yield, and 95.1% α-cellulose content for bleached pulp with a DEPD bleaching sequence. Therefore, this alfa material could be considered as a worthwhile choice for cellulosic fiber supply.
Carving and living
Pau Baya Grass
Coolabah , 2009,
Abstract: Barcelona, 1974.He studied at the University of Barcelona,specialising in sculpture, finishing his degreein arts in 2000. He is an art teacher in a privatesecondary school in Barcelona.He has won prizes for his work and hasworked with Italian architects as well asexhibiting his work in Catalunya.
Efficacy of pyrimethamine-sulfadoxine in young children with uncomplicated falciparum malaria in rural Burkina Faso
Olaf Müller, Corneille Traore, Bocar Kouyate
Malaria Journal , 2004, DOI: 10.1186/1475-2875-3-10
Abstract: The first cases of in vitro and in vivo chloroquine resistance in Burkina Faso were seen in 1983 and 1988, respectively, and reported clinical failure rates after use of chloroquine for treatment of uncomplicated malaria in children were already around 5% in the early 1990s [1]. More recently, the clinical failure rate of chloroquine in pre-school children was shown to be around 10% in western Burkina Faso [2,3]. These findings have led to the conclusion that chloroquine still remains sufficiently effective after many years of resistance occurrence in this part of West Africa.Little information exists on the dynamics of resistance development towards pyrimethamine-sulfadoxine, the usual second-line treatment choice in African countries with moderate chloroquine resistance. In Burkina Faso, only very low parasitological and clinical failure rates during use of have been reported in the past [1,2].The efficacy of pyrimethamine-sulfadoxine in a rural area of north-western Burkina Faso is reported.The study took place in six representative villages of the research area of the Centre de Recherche en Santé de Nouna (CRSN) in north-western Burkina Faso [4]. The Nouna area is a dry orchard savanna, populated mainly by subsistence farmers of different ethnic groups. Malaria is holoendemic but highly seasonal in the study area [4].The study was nested into an ongoing insecticide-treated bed net (ITN) study [5]. All ITN cohort children from the six villages visited during a cross-sectional survey in October 2002 were enrolled if they fulfilled the following inclusion criteria: age >6 months, falciparum malaria (≥37.5°C axillary temperature + ≥2.000 Plasmodium falciparum parasites/μl blood in the absence of another obvious fever cause), absence of antimalarial treatment during previous two weeks, informed oral consent. All study children received a fully supervised single-drug treatment with 1/2 tablet Fansidar (12.5 mg pyrimethamine plus 250 mg sulfadoxine), taken from the ess
Catastrophic household expenditure for health care in a low-income society: a study from Nouna District, Burkina Faso
Su,Tin Tin; Kouyaté,Bocar; Flessa,Steffen;
Bulletin of the World Health Organization , 2006, DOI: 10.1590/S0042-96862006000100010
Abstract: objective: to quantify the extent of catastrophic household health care expenditure and determine the factors responsible for it in nouna district, burkina faso. methods: we used the nouna health district household survey to collect data on 800 households during 2000-01 for our analysis. the determinants of household catastrophic expenditure were identified by multivariate logistic regression method. findings: even at very low levels of health care utilization and modest amount of health expenditure, 6-15% of total households in nouna district incurred catastrophic health expenditure. the key determinants of catastrophic health expenditure were economic status, household health care utilization especially for modern medical care, illness episodes in an adult household member and presence of a member with chronic illness. conclusion: we conclude that the poorest members of the community incurred catastrophic health expenses. setting only one threshold/cut-off value to determine catastrophic health expenses may result in inaccurate estimation leading to misinterpretation of important factors. our findings have important policy implications and can be used to ensure better access to health services and a higher degree of financial protection for low-income groups against the economic impact of illness.
Assessing effectiveness of a community based health insurance in rural Burkina Faso
Hounton Sennen,Byass Peter,Kouyate Bocar
BMC Health Services Research , 2012, DOI: 10.1186/1472-6963-12-363
Abstract: Background Financial barriers are a recognized major bottleneck of access and use of health services. The aim of this study was to assess effectiveness of a community based health insurance (CBHI) scheme on utilization of health services as well as on mortality and morbidity. Methods Data were collected from April to December 2007 from the Nouna’s Demographic Surveillance System on overall mortality, utilization of health services, household characteristics, distance to health facilities, membership in the Nouna CBHI. We analyzed differentials in overall mortality and selected maternal health process measures between members and non-members of the insurance scheme. Results After adjusting for covariates there was no significant difference in overall mortality between households who could not have been members (because their area was yet to be covered by the stepped-wedged scheme), non-members but whose households could have been members (areas covered but not enrolled), and members of the insurance scheme. The risk of overall mortality increased significantly with distance to health facility (35% more outside Nouna town) and with education level (37% lower when at least primary school education achieved in households). Conclusion There was no statistically significant difference in overall mortality between members and non-members. The enrolment rates remain low, with selection bias. It is important that community based health insurances, exemptions fees policy and national health insurances be evaluated on prevention of deaths and severe morbidities instead of on drop-out rates, selection bias, adverse selection and catastrophic payments for health care only. Effective social protection will require national health insurance.
Catastrophic household expenditure for health care in a low-income society: a study from Nouna District, Burkina Faso
Su Tin Tin,Kouyaté Bocar,Flessa Steffen
Bulletin of the World Health Organization , 2006,
Abstract: OBJECTIVE: To quantify the extent of catastrophic household health care expenditure and determine the factors responsible for it in Nouna District, Burkina Faso. METHODS: We used the Nouna Health District Household Survey to collect data on 800 households during 2000-01 for our analysis. The determinants of household catastrophic expenditure were identified by multivariate logistic regression method. FINDINGS: Even at very low levels of health care utilization and modest amount of health expenditure, 6-15% of total households in Nouna District incurred catastrophic health expenditure. The key determinants of catastrophic health expenditure were economic status, household health care utilization especially for modern medical care, illness episodes in an adult household member and presence of a member with chronic illness. CONCLUSION: We conclude that the poorest members of the community incurred catastrophic health expenses. Setting only one threshold/cut-off value to determine catastrophic health expenses may result in inaccurate estimation leading to misinterpretation of important factors. Our findings have important policy implications and can be used to ensure better access to health services and a higher degree of financial protection for low-income groups against the economic impact of illness.
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