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Search Results: 1 - 10 of 408406 matches for " Mohamed M. Lawani "
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FVC and FEV Reference Values for Beninese Individuals Aged 17 - 20 Years  [PDF]
Folly Messan, Mohamed M. Lawani, Daouda Mama
Open Journal of Respiratory Diseases (OJRD) , 2019, DOI: 10.4236/ojrd.2019.92005
Abstract: Background: 1) To determine forced vital capacity (FVC) and forced expiratory volume in one second (FEV) for Beninese individuals of both sexes aged 17 - 20 years; 2) Compare the observed values to those calculated based on the algorithms of the spirometer used. Materials and Methods: The FVC and FEV values were first measured using a Micro Quark spirometer and then calculated from equations for the European Respiratory Society-93 (ERS-93) in 148 subjects, including 46 girls. In each age group, the measured values for the height of the subjects were considered the only variables used to calculate the equations for FVC and FEV with their 95% confidence intervals. The means of the FEV and FVC values were obtained by univariate analysis. Results: The calculated FEV and FVC values were significantly higher (p < 0.05) than those observed by spirometry. Conclusion: The correction factors incorporated in spirometers imported from Europe no longer seem appropriate to measure the physical characteristics of African subjects. The differences between the two methods of assessment should be used as new ethnic correction factors.
Bronchospasm Diagnosis in Motorcycle Taxi Drivers Exposed to Automotive Pollutants in Porto-Novo  [PDF]
Folly Messan, Mohamed Lawani, Barnabé Akplogan, Pierre Dansou, Daouda Mama, Rodrigue Hounkponou, Rodrigue A. Dagnitché
Open Journal of Respiratory Diseases (OJRD) , 2013, DOI: 10.4236/ojrd.2013.31003
Abstract:

Background: In African cities, chronic exposure to pollutants is the most common public health problem faced daily by motorcycle taxi drivers. In Benin, studies conducted on motorcycle drivers, have shown the presence of nitrogen oxides, carbon monoxide, sulfur dioxide, volatile organic compounds and particulate matter in ambient air, which may affect lung function. Aims: This study aims to diagnose potential respiratory problems among 48 motorcycle taxi drivers (47.02 ± 8.75 years) compared to a control group made up of 52 people (46.38 ± 8.81 years) in Porto-Novo, Benin. Methods: A questionnaire, two exploration pulmonary function tests and two 6-minute walk tests were used to identify symptoms and changes in respiratory variables that reveal the existence of bronchospasm. Results: The frequency of respiratory symptoms noted among motorcycle taxi drivers is higher than that recorded among members of the control group. We observed that motorcycle drivers at rest and after physical effort have significantly lower respiratory variables (FVC, FEV1, PEF, FEF25-75, FEF50 and FEF25) (p < 0.05) than those recoded in control group. Conclusion: It can therefore be concluded that, because of the relatively long duration of exposure among motorcycle taxi drivers, the inhalation of automobile pollutants, may cause respiratory problems in this population.

Numerical Simulation Using GEM for the Optimization Problem as a System of FDEs  [PDF]
Mohamed Adel, Mohamed M. Khader
Applied Mathematics (AM) , 2017, DOI: 10.4236/am.2017.812126
Abstract:
In this paper, we introduce a numerical treatment using generalized Euler method (GEM) for the non-linear programming problem which is governed by a system of fractional differential equations (FDEs). The appeared fractional derivatives in these equations are in the Caputo sense. We compare our numerical solutions with those numerical solutions using RK4 method. The obtained numerical results of the optimization problem model show the simplicity and the efficiency of the proposed scheme.
Awareness of Obstetric Vesicovaginal Fistula among Pregnant Women in a Rural Hospital  [PDF]
P. O. Ezeonu, K. C. Ekwedigwe, M. E. Isikhuemen, M. O. Eliboh, R. C. Onoh, L. O. Lawani, L. O. Ajah, E. I. Dimejesi
Advances in Reproductive Sciences (ARSci) , 2017, DOI: 10.4236/arsci.2017.53005
Abstract: Background: Giving birth should be a period of joy, but for more than half a million women, their pregnancy and childbirth end in death while some develop vesicovaginal fistula. Vesicovaginal fistula is an abnormal communication between the bladder and the vagina leading to continuous leakage of urine through the vagina. Little is known about the perception of pregnant women about obstetric fistula and this group of women are those who are at risk of the disease. Our aim therefore was to evaluate the level of awareness of vesicovaginal fistula among pregnant women attending antenatal clinic in a rural hospital. Methodology: This was a cross sectional study conducted at Mile 4 missionary Hospital, Abakaliki, between 1st of May and 1st of July, 2017. Data was collected with the use of questionnaire. Ethical clearance was gotten from the institutions ethical committee. Results: Their mean age was 27 ± 5 years and mean parity was 2 ± 2. Awareness of vesicovaginal fistula was 57.8%. Risk factors identified for vesicovaginal fistula were prolonged obstructed labour, instrumental vaginal delivery, caesarean section and short stature. Only 80 (39.2%) believed vesicovaginal fistula could be treated. Conclusion: Awareness of vesicovaginal fistula in the study population was 57.8%. A significant number of women were not aware that vesicovaginal fistula could be treated.
Perception of Caesarean Section among Pregnant Women in a Rural Missionary Hospital  [PDF]
P. O. Ezeonu, K. C. Ekwedigwe, M. E. Isikhuemen, M. O. Eliboh, R. C. Onoh, L. O. Lawani, L. O. Ajah, E. I. Dimejesi
Advances in Reproductive Sciences (ARSci) , 2017, DOI: 10.4236/arsci.2017.53004
Abstract: Introduction: Caesarean section is the delivery of a foetus through an incision made on the uterus. It is useful in situations where vaginal delivery is not feasible. Women in our setting usually see it as a reproductive failure and a sign of weakness. Our aim was to evaluate the perception of caesarean section among pregnant women attending antenatal clinic in a rural missionary hospital. Methodology: This was a cross-sectional study conducted at Mile 4 missionary hospital, Abakaliki among women attending routine antenatal clinic. Information was obtained from respondents with the aid of a questionnaire. Ethical clearance was obtained for the study. Data was analysed using the Statistical Package for Social Sciences (SPSS) version 21. Results: A total of 209 pregnant women participated in this study. Their age ranged from 14 to 43 with a mean age of 27 ± 5 years. One hundred and seventy two women (82.3%) have heard of caesarean section in the past. Eighteen (8.6%) have had caesarean section in the past while 5 were not willing to undergo the procedure again. Sixty (28.7%) are not willing to undergo caesarean section even when it is indicated. Conclusion: Despite awareness of caesarean section, women do not appear to have a positive attitude towards the procedure.
Risk Factors for Stroke in Sulaimaniyah Iraqi Kurdistan Region-Iraq  [PDF]
Ahmed Saeed Mohamed, Mohamed A. M. Alshekhani
International Journal of Clinical Medicine (IJCM) , 2016, DOI: 10.4236/ijcm.2016.79070
Abstract: Background: Stroke is a frequent medical problem and a leading cause of death and disability worldwide. Several conditions and lifestyle factors have been associated with stroke. Aim: To evaluate risk factors in stroke patients in Sulaimani city. Results: 110 patients with stroke were included in this study, hypertension was found to be the most common risk factor in current study. Out of 110 cases, 83 (75.5%) were hypertensive. Peak stroke-prone age was (60 - 69) year for male, (70 - 79) year for female. We found a statistically significant relation between level of TSC, LDL with ischemic stroke (r = 0.4047, P < 0.0001) and (r = 0.4052 P < 0.0001) respectively. While there was a significant inverse relation between HDL and ischemic stroke (Correlation coefficient = ?0.4862, P < 0.0001). On the other hand, there was no significant relation between level of TG and ischemic stroke (r = 0.2403, P < 0.0114). Also correlation statistic between TSC/HDL, LDL/HDL and result of CT scan, showed that there is statistical significance correlation between infarction and value of atherogenic index, (r = 0.5301, P < 0.0001, r = 0.4990, P < 0.0001) respectively, but there is no correlation between haemorhage & the index. Conclusion: Hypertension is the leading risk factor of stroke. It is therefore essential to detect and treat hypertension at its outset. High value of atherogenic index mostly associated with ischemic stroke .while no relation found with haemorhagic stroke.
Comparison between the Laplace Decomposition Method and Adomian Decomposition in Time-Space Fractional Nonlinear Fractional Differential Equations  [PDF]
Mohamed Z. Mohamed, Tarig M. Elzaki
Applied Mathematics (AM) , 2018, DOI: 10.4236/am.2018.94032
Abstract:
The aim of this paper is to discuss application of Laplace Decomposition Method with Adomian Decomposition in time-space Fractional Nonlinear Fractional Differential Equations. The approximate solutions result from Laplace Decomposition Method and Adomian decomposition; those two accessions are comfortable to perform and firm when to PDEs. For caption and further representation of the thought, several examples are tool up.
Optimal Convergence Analysis for Convection Dominated Diffusion Problems  [PDF]
M. A. Mohamed Ali
Journal of Applied Mathematics and Physics (JAMP) , 2013, DOI: 10.4236/jamp.2013.13004
Abstract:

In classical mixed finite element method, the choice of the finite element approximating spaces is restricted by the imposition of the LBB consistency condition. The method of H1-Galerkin mixed finite element method avoids completely the imposition of such a condition on the approximating spaces. In this article, we discuss and analyze error estimates for Convection-dominated diffusion problems using H1-Galerkin mixed finite element method, along with the method of characteristics. Optimal order of convergence has been achieved for the error estimates of a two-step Euler backward difference scheme.

Finite Element Simulation of an Unimolecular Thermal Decomposition inside a Reactor  [PDF]
Mohamed M. Mousa
Journal of Applied Mathematics and Physics (JAMP) , 2016, DOI: 10.4236/jamp.2016.42040
Abstract: This numerical study investigates the steady state unimolecular thermal decomposition of a chemical dissolved in water inside a parallel-plate reactor containing four heated circular rods using a penalty Galerkin finite element approach. The reactant fluid enters from the left inlet and exits from the right outlet of the reactor. All solid walls of the reactor are assumed to be thermodynamically isolated. The aim of the investigation is to illustrate the effects of the energy expelled during the reaction, temperature of the heated rods and fluid inlet velocity on the thermal field and concentration of the heat sensitive chemical. The simulation is conducted for different values of inlet velocity and rods temperature taking into consideration and neglecting the reaction energy. From the results, it is concluded that the thermal field and decomposition process of the chemical are significantly influenced by fluid velocity, rods temperature and the reaction type.
The effects of parenting styles on student’s disposition to violence in Osun State, Nigeria
Lawani Ajibike OMOLOLA
Revista de Cercetare ?i Interven?ie Social? , 2011,
Abstract: The prevalence of violence among youth gives concern not only in our immediate society but universally. The tendency of youth to become violent may have to do with child upbringing, which is embedded in style of parenting. Thus, this study examined the effects of parenting styles on student’s disposition to violence. It also investigated the nature and prevalence of violence in selected secondary schools in Osun State. A questionnaire titled “Students Disposition to Violence Scale (SDVS)” was used to collect data from 600 students that participated in the study. Data collected were analyzed using t-test statistic and one-way ANOVA. The study revealed that the nature of violence that occurred in secondary schools is mostly physical and psychological. However, the most prevalent is physical violence where fighting occurred by 71%. It was discovered that parenting styles had a significant effect on the disposition of students to violence (F=7.643, p<0.05) Conclusively, the study revealed that the pattern of upbringing which parents adopt for their children, are vital factors that contribute to making the child either vulnerable or not, to violent behaviour.
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