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Symptomatic Urinary Lithiasis: Epidemiology and Management at Urology Department of University Hospital of Cotonou  [PDF]
Prince Pascal Hounnasso, Josué Dejinnin Georges Avakoudjo, Abdoul Karim Paré, Kirakoya Brahima, Adama Ouattara, Michel Michael Agounkpé, Gilles Natchagandé, Sanni Rafiou Toré, Abubakar Babagana Mustapha, Alexandre Vodounou
Open Journal of Urology (OJU) , 2015, DOI: 10.4236/oju.2015.52002
Abstract: Purpose: To study the epidemiology and treatment modalities of urolithiasis at Urology Department of University Hospital of Cotonou. Materials and Methods: It was a retrospective and descriptive study over a 10 years period ranging from January 1st, 2004 to December 31st, 2013. One hundred and two patients who were hospitalized for symptomatic urolithiasis at the Urology Department of University Hospital of Cotonou were enrolled. Results: Hospital incidence of urolithiasis was 3.7%. Patients mean age was 39.6 years (extremes: 10 years to 73 years). Male to female ratio was 2.2. The main reason for consultation was renal colic for 81 patients (79.4%). Average duration of symptoms at presentation was 5 months (range: 1 day to 10 years). A total of 173 stones were identified with an average size of 12 mm (range: 1 mm to 95 mm). Calyceal stones were seen in 32.9% of cases, renal pelvis stones in 21.4% of cases, ureteral stones in 34.1% and bladder stones in 11.5% of cases. Open surgery was the main treatment for stones that could not be managed medically. 50.8% of patients underwent surgery with extraction of 116 stones. This represented 67.1% of all stones. 9 patients (8.8%) had expelled their stone during urination. The postoperative course was uneventful in 77.5% of cases. Conclusion: Modern treatment options for urolithiasis remain rudimentary in our health facilities. Open surgery is still the main stay of treatment in our countries with limited resources.
The Conversion of Federal Polytechnics into Universities: The Funding Aspect
MR Sanni
African Research Review , 2009,
Abstract: There were only two (2) federally owned universities in Nigeria in 1962. The number increased to 13 in 1975 and went further to 26 in 2008. From the mere 104 pioneer students that enrolled at the University College Ibadan in 1948, the total student enrolment in Federal Universities jumped to 2,754 in 1965, 259,904 in 1998 and 433,871 in 2003. How has funding been over the years? Will the Federal Government be able to cope in area of funding if it carries out its intention of converting all Federal Polytechnics to Universities? The paper traced the history and funding patterns of both University and Polytechnic education right from the inception to the present day, provided reasons for governments reasons for the conversion of the Polytechnics and concluded that the Federal Government definitely has to provide more funds for graduates of Federal Government universities to be accepted as equals of their counterparts in Europe and America.
The Influence of the Economy on Hospitality Industry in Nigeria
MR Sanni
Ethiopian Journal of Environmental Studies and Management , 2009,
Abstract: In theory, many people patronize the hospitality industry when the economy is buoyant, thereby signifying a positive correlation between the industry and the economy. But is this true of the Nigerian situation? The contributions of the hospitality industry (represented by Hotels and Restaurants) to the Nigerian economy (represented by the Gross Domestic Products – GDP) and the GDP itself from 1980 – 2006 (27 years) were analyzed, using simple regression analysis. Lag variables were introduced in order to safe guard against autocorrelation while white noise heteroscedasticity tests were performed in order to make the conclusions more reliable. It was found that a positive correlation exists between the hospitality industry and the GDP and that the industry depends almost entirely on the economy, thereby confirming a priori expectation. What this means in effect is that for the hospitality industry to continue to be relevant, government must at all times ensure a stable but steadily rising economy.
Distribution Pattern of Healthcare Facilities in Osun State, Nigeria
L Sanni
Ethiopian Journal of Environmental Studies and Management , 2010,
Abstract: Accessibility to healthcare facilities has generally been identified as a major indicator of development, and the existing spatial pattern of distribution of healthcare facilities play very prominent role in gauging the level of efficiency or otherwise of the existing level of provision of these facilities within any region. In this paper we employed the use of locational quotient, which is a measure of spatial pattern of services, to examine the distribution pattern of healthcare facilities in the thirty local government areas in Osun State, Nigeria. Twelve indices, representing the totality of healthcare delivery by State and local governments in the state were used for the analysis. Our findings indicated existence of gaps in access to healthcare facilities between local government areas in the state, though the observed gap could not easily be attributed to rural-urban dichotomy. We concluded that there was an urgent need for serious intervention on the part of the government in the provision of healthcare facilities in the state, focused on equitable distribution and accessibility to enhance regional development. KEY WORDS: Healthcare facilities; location pattern; location quotient; development gap; Osun state.
Institutionalising Terror in the Name of Religion and Polity: The Nigerian Youth and the Cosmos of Violence
A Sanni
Africa Development , 2011,
Abstract: Religion and ethnicity are two key issues in the economy of violence with which Nigeria has had to contend in the last twenty-five years. The protagonists of the issues are the state, the aficionados of religious or ethnic idealism and their opponents. The article argues that the culture of denial or marginalisation has largely been responsible for the tradition of violence, which militant and radical elements in religious and ethnic circles have often employed in their systemic campaigns. It concludes by submitting that a proper appreciation of the real causes of violence by the state, and a genuine commitment to their solution through dialogue and interactive means, remains the viable option in the enthronement of world peace and order.
Teaching geometry in schools: An investigative rather than instructive process
Rasheed Sanni
Pythagoras , 2011, DOI: 10.4102/pythagoras.v0i65.90
Abstract: Research has documented the prevalence of lessons characterised by homework check, followed by teacher lecture and demonstration, followed in turn, by learner practice sequence of classroom instructional activities in our classrooms. This sequence of classroom activities does not allow for the development of sound mathematics practices and mathematical proficiency. Meanwhile, curriculum reforms in South Africa as well as in other parts of the world recommend classroom activities where teachers create opportunities for, listen to and extend learners. This paper presents a sequence of activities to be used in the teaching of geometry and surface areas of solid shapes in a grade 8 classroom. The sequence portrays the teaching of these concepts as an investigative rather than instructive process.
Assessment of Cement Dust Deposit in a Cement Factory in Cotonou (Benin)  [PDF]
Theodore Soussia, Patient Guedenon, Rafiou Lawani, Claudia Doutetien Gbaguidi, Patrick A. Edorh
Journal of Environmental Protection (JEP) , 2015, DOI: 10.4236/jep.2015.67061
Abstract: In order to assess the cement dust levels at the factory of the Beninese Cement Industry (BCI), at Xwlacodji, seven sampling stations (numbered 1 to 7) were set inside the industry and nine (numbered 8 to 16) were set around the factory in January, February, August and December. With the method of stainless steel plate according to NFX 43-007 AFNOR Standard, the different stations were monitored daily for dust collection all month long. The results revealed that the mean values of cement dusts inside BCI in g/m2/day ranged from 1.608 to 8.752 in January, from 1.13068 to 6.14924 in February, from 0.9654 to 5.2502 for August and from 1.7220 to 9.3620 for December. With regard to outside BCI, the mean values of dusts rose from 8.8760 to 18.9620 in December. The lowest mean values 3.2719 and 4.4124 were respectively recorded in February and August whereas the highest values 17.7309 and 18.9620 were respectively recorded in January and December. Our study revealed month variation in cement dust deposition with the highest values in December and January and the lowest values in February and August. It was observed that the content in cement dusts recorded outside the cement industry were extremely higher than those recorded inside the cement industry. The values in the present study have far exceeded all the international safety values (1 g/m2/day for AFNOR and 350 mg/m2/day TA-Luft) and could pose health hazards. Therefore protective measures are suggested to mitigate the risk of occupational hazards for the cement industrial workers.
Comparative Study of Adsorption of Copper Ion onto Locally Developed and Commercial Chitosan  [PDF]
Sunday Anthony Akolo, Abulsalami Sanni Kovo
Journal of Encapsulation and Adsorption Sciences (JEAS) , 2015, DOI: 10.4236/jeas.2015.51003
Abstract: Chitosan synthesized locally with a degree of deacetylation 71% and chitosan with a degree of deacetylation 68% from Sigma Aldrich were used to investigate adsorption of Cu2+ ion in aqueous solution. The results obtained from equilibrium isotherm adsorption studies of Cu2+ ion were an-alyzed in five adsorption models namely: Langmuir, Freundlich, Temkin, Elovich and Dubin- Ra-dushkevich. The isotherms equation was indicated to be well fitted to Langmuir, Freundlich, Temkin and Elovich under the concentration range studied. The kinetic parameters were evaluated utilizing the pseudo-first-order and pseudo-second-order equations, and the adsorption kinetics followed the mechanism of the pseudo-second-order equation for all systems studied, evidencing chemical sorption as the rate-limiting step of adsorption mechanism and not involving a mass transfer in solution. The FTIR studies revealed that the greater sorption of heavy metal was attributed to the large number of primary amine groups available on the surfaces of the chitosan and the abundant carboxyl groups on chitosan.
Evaluation of maize-soybean flour blends for sour maize bread production in Nigeria
MO Edema, LO Sanni, AI Sanni
African Journal of Biotechnology , 2005,
Abstract: Examination of the functional properties of three different flours/meals and two blends of maize meal and soybean-flour (ratios 9:1 and 8:2, maize:soybean) were carried out. Properties examined included amylose content, bulk density, dispersibility, swelling power, water absorption capacity and viscoelastic properties. The effect of the different flour/meal samples on the properties of sour maize bread were evaluated by baking bread samples with the different flours/meals using a mixed starter culture of Lactobacillus plantarum and Saccharomyces cerevisiae. All flour/meal samples differed, sometimes significantly (p 0.05) in their functional properties. Significant positive correlations existed among the functional properties of the flours at the 1% level (2-tailed). The maize meal/soy flour blends MSA (maize meal and soybean flour mixed in ratio 9:1) and MSB (maize meal and soybean flour mixed in ratio 8:2) did not differ significantly from each other in functional properties except for amylose content. MSA was adjudged the best flour blend for sour maize bread production as its bread had the highest score for overall acceptability (6.1) and other sensory parameters evaluated.
On the Weak Solution of a Semilinear Boundary Value Problem without the Landesman-Lazer Condition
Sikiru Adigun Sanni
International Journal of Differential Equations , 2011, DOI: 10.1155/2011/801706
Abstract: We prove the existence of weak solution to a semilinear boundary value problem without the Landesman-Lazer condition.
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