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Search Results: 1 - 10 of 1626 matches for " Bourama Kané "
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Bilateral Chronic Subdural Hematoma after Endoscopic Third Ventriculostomy in a Child: A Case Report and Review of the Literature  [PDF]
Oumar Coulibaly, Oumar Diallo, Mahamadou Dama, Bourama Kané, Feng Zhou, Youssouf Sogoba, Drissa Kanikomo
World Journal of Neuroscience (WJNS) , 2018, DOI: 10.4236/wjns.2018.81005
Abstract: Hydrocephalus had been managed by ventriculoperitoneal shunt (VPS) or endoscopic third ventriculostomy (ETV) since several years. But these two different technics had some complications that must be managed promptly to avoid eventual fatal evolution. Chronic subdural hematomas after ETV is among these complications and is a very rarely situation observed in our department. This rare event associated with malaria in a child is considered to have a high mortality. Here we report a rare case of bilateral chronic subdural hematoma occurring in a 4-month-old boy after ETV and we discuss the likely pathogenesis and the difficulties of management.
Compressif Giant Segmental Congenital Emphysema: Diagnosis and Traitment  [PDF]
Moussa Abdoulaye Ouattara, Seydou Togo, Abdoul Aziz Diakité, Ibrahima Sankaré, Bourama Kané, Sekou Koumaré, Mody Abdoulaye Camara, Zimogo Ziè Sanogo, Sadio Yena
Surgical Science (SS) , 2016, DOI: 10.4236/ss.2016.74027
Abstract: The giant congenital lobar emphysema is a rare malformation infant pathology. The authors report a similar case which is distinguished by its segmental location even rare with its compressive character in which segmentectomy was successful performed to lift emergency distress in a developing country.
Secondary Spontaneous Rupture of the Diaphragm in a Child after Blunt Chest Trauma  [PDF]
Seydou Togo, Bourama Kané, Moussa Abdoulaye Ouattara, Issa Boubacar Maiga, Yunping Lu, Donghui Jin, Allaye Ombotimbé, Ibrahim Sangaré, Maiga Abdoul Aziz, Cheik Amed Sekou Touré, Ibrahim Coulibaly, Adama Issa Koné, Sitan Illiassou, Jaques Saye, Cheik Sadibou Traoré, Sékou Koumaré, Moussa Camara, Koita Adama Kononba, Mody Traoré, Zimogo Zié Sanogo, Sadio Yéna, Djibril Sangaré
Open Journal of Respiratory Diseases (OJRD) , 2016, DOI: 10.4236/ojrd.2016.62006
Abstract: Traumatic diaphragmatic rupture (TDR) is very rare in the pediatric age group. Because of its rarity and its coexistence with more injuries, the diagnosis is often delayed. Very little has been written about this condition in the pediatric age group. TDR, while uncommon, should be considered in cases of blunt thoracic trauma. All patients should undergo meticulous examination preoperatively. The clinical presentation and importance of making an accurate diagnosis and surgery is highlighted. We report a case of secondary spontaneous traumatic left-sided diaphragmatic rupture in a child that was managed by delayed surgical repair.
Design and Performance of Brushless Doubly-fed Machine Based on Wound Rotor with Star-polygon Structure  [PDF]
Chaohao Kan
Energy and Power Engineering (EPE) , 2013, DOI: 10.4236/epe.2013.54B015
Abstract: The star-polygon brushless doubly-fed machine (SPBDFM) is a new type of wound-rotor machine and is attractive for variable-speed constant-frequency shaft generation system. The structure of rotor for the machine may be improving the conductor availability of the rotor windings. The kirchhoff laws is employed to illuminate the principle and some combinations of different slots and poles are presented as the examples. Harmonic analysis is also employed to analyze the magnetic motive force (MMF) waveform of rotor winding with the structure of star- polygon. Finally, the results are used to reveal that the SPBDFM is attractive for shaft generation system.
Lipodystrophy among Children Infected with Human Immunodeficiency Virus and on Antiretroviral Treatment in Ouagadougou  [PDF]
Caroline Yonaba, A?ssata Ouedraogo, Sylvie Armelle Pingwende Ouédraogo, Bourama Ouattara, Angel Kalmogho, Fla Koueta, Diarra Yé, Ludovic Kam
Open Journal of Pediatrics (OJPed) , 2015, DOI: 10.4236/ojped.2015.53030
Abstract: Management of Human Immunodeficiency Virus infection remains a major challenge in many sub-Saharan African countries. Antiretroviral drugs which have reduced significantly the mortality rate of this pandemic disease are a source of side effects. Among these side effects, adult lipodystrophy has already been described by several authors. The aim of this study is to determine the prevalence of lipodystrophy and associate factors in children on antiretroviral therapy, managed at Charles De Gaulle Children University Hospital and Yalgado Ouedrago University Hospital in Ouagadougou, Burkina Faso. This is a cross-sectional study conducted from June 2013 to January 2014. We included children aged 2 to 15 years who had been on antiretroviral treatment for at least six months with no severe acute malnutrition (wasting). Lipodystrophy was diagnosed clinically after assessment of morphological changes. Overall, 323 children complying with the inclusion criteria were examined. The average duration of antiretroviral therapy was 5.3 years. Forty five children had lipodystrophy, i.e. 13.9% prevalence rate. One hundred and twenty seven different lipodystrophic lesions were noted, hence 82.7% lipoatrophy and 17.3% lipohypertrophy. The most common presentations were: face (32%), lower limbs (26%) and upper limbs (15.7%). Factors associated with lipoatrophy were: age above 10 years (P = 0.004); male gender (P = 0.0004); antiretroviral treatment duration of more than 60 months (P < 0.001) and treatment with stavudine (P = 0.01). Our study showed that lipodystrophy is not exceptional in children on antiretroviral therapy in Ouagadougou. However, more researches on lipid profiles of these children are necessary to prevent other common complications related to fat accumulation.
Characterization of Genotypic Mutations and Antiretroviral Resistance among Viremic HIV-Infected Patients in a High HIV Prevalence Area: Treatment Challenge and Transmission Risk  [PDF]
AliAsad Arastu, Virginia Kan
World Journal of AIDS (WJA) , 2011, DOI: 10.4236/wja.2011.13011
Abstract: There have been few reports evaluating the prevalence of genotypic mutations and antiretroviral resistance among chronic HIV-infected Veterans within the United States. This retrospective cross-sectional study characterizes the rates and changes in HIV genotypic mutations and antiretroviral resistance among viremic patients from 2001 to 2006 at the VA Medical Center located in Washington, DC. The District of Columbia is the metropolitan area with the highest HIV prevalence within the United States. De-identified, linked HIV RNA, genotypic reverse transcriptase (RT) and protease (Pr) mutations and antiretroviral resistance results were assessed for changes during the 6-year period. Aggregated clinic and antiretroviral utilization, and HIV acquisition risk data were evaluated for patients in care during this time. Among 990 viremic samples, the rate of any detected RT or Pr mutation fell from 100% in 2001 to 95% in 2006. This was primarily attributable to the 15% - 20% decrease seen for RT gene mutations against nucleoside/nucleotide class and non-nucleoside class during this period. Resistance to didanosine, stavudine, zidovudine, nevirapine and efavirenz decreased, and tenofovir resistance increased. Despite stable rates of Pr gene mutations, atazanavir resistance increased by 22% from 2003 to 2006. Some but not all changes in genotypic mutations and resistance patterns reflected our patients’ antiretroviral drug utilization. As sexual contacts (77%) and injection drug use (22%) were the leading acquisition risks disclosed by our HIV-infected patients, the high prevalence and changing patterns of HIV genotypic mutations and drug resistance among these patients have had pivotal impacts not only on HIV treatment but potential transmission into our community.
An Optimization Technique for Inverse Crack Detection  [PDF]
H?kan Wirdelius
Journal of Modern Physics (JMP) , 2014, DOI: 10.4236/jmp.2014.513121

Any attempts to apply techniques that are based on indirect measurements of parameters that are believed to correlate to any material properties (or state) in an in-line situation must by necessity identify a mathematical model of this relationship. The most conventional approach is to use some empirically based model. If the analysis instead is based on an analytical model of a physical explanation, this trainee period can be minimized and the system is more dynamic and less sensitive to changes within the chain of production. A numerical solution to the inverse problem of ultrasonic crack detection is in this case investigated. This solution is achieved by applying optimization techniques to a realistic model of the ultrasonic defect detection situation. This model includes a general model of an ultrasonic contact probe working as transmitter and/or receiver and its interaction with the defect. The inverse problem is reduced to minimization of a nonlinear least squares problem and is performed with a quasi-Newton algorithm consisting of a locally convergent SVD-Newton method combined with a backtracking line search algorithm. The set of synthetic data the model is fitted with are generated both by numerical integration and with the two-dimensional stationary-phase method while the forward solver in the optimization procedure is based on the latter. In both these cases, the convergence, in terms of numbers of iterations, is sufficient when the initial guess is reasonably close.

Successful Painful Treatment of the Painful Achilles Was the Start for Research Providing New Knowledge about Tendon Pain and New Treatment Methods  [PDF]
H?kan Alfredson
Pain Studies and Treatment (PST) , 2014, DOI: 10.4236/pst.2014.22013

Successful treatment with painful eccentric training for patients with chronic painful midportion Achilles tendinosis started research on pain mechanisms involving ultrasound + Doppler investigations and immunohistochemical analyses of tendon tissue specimens. This research has resulted in a better understanding of the pain mechanisms involved in the chronic painful Achilles and patellar tendon, and based on these findings new non tendon-invasive treatment methods beneficial for the patients have been invented. This is a mini review showing the background and research that resulted in the highly successful mini surgical treatments for mid-portion Achilles tendinopathy and proximal patellar tendinopathy.

The Relationship between Self-Directed Learning Skills and Science Achievement among Qatari Students  [PDF]
Ashraf Kan’an, Kamisah Osman
Creative Education (CE) , 2015, DOI: 10.4236/ce.2015.68082
Abstract: This study is aimed to investigate the relationship between students’ self-directed learning readiness and their science achievement. 83 students were randomly selected from a secondary school in Qatar. The students’ self-directed learning readiness was measured by the Self-Directed Learning Readiness Scale (SDLRS) and their science achievement was determined by the science subject National Exam (NE) scores. The findings of the study showed that SDLRS total score significantly predicted the National Exam science subject score (p = .049). It was suggested that self-directed learning is essential for students to be academically successful to their fullest potential. Therefore, attention should be given to possible causal factors of self-directed learning.
The Confusion and Countermeasures of Green Accounting in China  [PDF]
Xinyang Kan, Qingjun Meng
Technology and Investment (TI) , 2015, DOI: 10.4236/ti.2015.63014
Abstract: Green accounting is a new accounting field whose main function is to balance the development on both economy and environment through effective value management and combining accounting and environmental economy. Owing to the lack of relative regulation and the absence of governmental supervisory, there are some obstructions impeding its practice. In order to solve those problems, relatively well-established laws, governmental intervention and training young accountants are required in this process.
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