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Economic contribution of cassava production (a case study of kuje area council federal capital territory, Abuja, Nigeria)
M Yakasai
Bayero Journal of Pure and Applied Sciences , 2010,
Abstract: The study determined the economics of cassava production in Kuje Area Council FCT. Simple random selection was used to select 100 farmers and to collect from them using a well structured questionnaire. The data were analysed using descriptive statistics, farm budgeting and regression analysis. The result revealed that the mean age of the farmers was 32 years. Also majority (87%) of the farmers were male and (13%) female. Furthermore, the result showed that majority (80%) have formal education. Similarly, the result revealed that a mean of 4 people was recorded for household size and 16.80 years as farming experience. Majority (71%) acquired their land through inheritance; mean farm size under cassava production was found to be 1.20 hectares, with majority (57%) having between 0.3 – 1.0 hectare. Cost of production was found to be N7, 310.11 per hectare. Furthermore the study revealed a net farm income of N14, 042.27 and a return on Naira invested as 0.92. Cobb – Douglas regression model revealed that R2 value was 65.4% with exogenous variables farm size, and cassava cuttings significant (p<0.001) and (p<0.05) while labour was not significant. Also MVP/MFC for farm size, cassava cuttings and labour were 0.49, 0.53 and 0.78. Major constraints like inadequate capital, lack of machinery, high labour cost and transportation were found to be affecting cassava production in the area. It was recommended that, production could be improved and sustained through provision of soft loans and accessible roads to ease transportation cost.
Topic: Echocardiographic Evaluation of Left Ventricular Systolic and Diastolic Function in Nigerians with Sickle Cell Disease  [PDF]
Hadiza Saidu, Abdulwahab Kabir, Jamila A. Yau, Ahmad M. Yakasai, Umar Abdullahi, Aisha M. Nalado, Baba Maiyaki Musa
Open Access Library Journal (OALib Journal) , 2018, DOI: 10.4236/oalib.1104527
Abstract:
Introduction: Sickle cell disease (SCD) is chronic, inherited haemoglobin disorder, associated with chronic tissue ischemia which may adversely affect any organ system. Chronic anaemia in SCD results in cardiac chamber dilatation with compensatory increase in left ventricular mass and varying degree of diastolic dysfunction that has been a strong independent predictor of mortality in patients with SCD. There is paucity of echocardiographic studies on adults Nigerians with SCD. This study therefore, aimed to assess left ventricular systolic and diastolic function among sickle cell disease patients in Kano State, North-Western Nigeria. Methods: The study was cross-sectional and comparative conducted at the SCD clinic and Medical/outpatient (MOP) clinic of Murtala Muhammad Specialist Hospital (MMSH), on eligible patients aged 13 years and above. One hundred patients with SCD (HbSS) were recruited as the study group while 100 non SCD (HbAA) patients, matched for age and sex served as controls. Left and right atrial and ventricular dimensions, left ventricular (LV) wall thickness, LV mass index and LV contractility variables were obtained. Parameters of LV diastolic function were also evaluated. Results: There were increases in the left atrial and left ventricular dimensions, left ventricular volumes and left ventricular mass (LVM) of the SCD patients. LV ejection fraction was equivalent, though there was evidence of left ventricular diastolic dysfunction in up to 36%. Conclusion: Left ventricular diastolic dysfunction may complicate cases adults with SCD.
Vacuum Delivery in a Tertiary Institution, in Northern Nigeria: A 5-Year Review  [PDF]
I. A. Yakasai, I. S. Abubakar, E. M. Yunus
Open Journal of Obstetrics and Gynecology (OJOG) , 2015, DOI: 10.4236/ojog.2015.54031
Abstract:

Background: There is a progressive shift away from the use of forceps in favour of the vacuum extractor as the instrument of choice for operative vaginal deliveries. The overall objective of this is to improve safe motherhood by reducing the contribution of second stage of labour complications to maternal mortality and morbidity. Objective: This study was carried out to determine the incidence, indications, outcome and complications of Ventouse delivery in Aminu Kano Teaching Hospital, Kano, Nigeria. Materials and Methods: This was a retrospective study carried out at the Aminu Kano Teaching Hospital. The case notes of all parturients who had vacuum deliveries in the hospital within January 2008 to December 2012 were retrieved from the statistics unit of the hospital and analysed using SPSS. Results: 22,680 patients delivered in the hospital over this 5-year period. Ventouse was used on 210 occasions giving an incidence rate of 0.9%. One hundred and eighty (85.7%) had successful vacuum delivery. The failed extractions (14.3%) were delivered by caesarean sections. The mean age of the patients was 29.4 years. The mean parity was 2.2. Ninety (42.9%) were primipara while 120 (57.1%) were multipara. The commonest indication for the vacuum delivery was prolonged second stage of labour in 45.2% of cases. The commonest maternal complication was primary postpartum haemorrhage (9.5%). Foetal complication occurred in about 31% of vacuum deliveries, the commonest (18.1%), being cephalhaematoma. Conclusion: The incidence rate of vacuum delivery is low. Thus, active training in the art of vacuum assisted vaginal delivery is clearly needed during residency.

Indicence of bladder cancer in a one-stop clinic
A Yakasai, M Allam, AJ Thompson
Annals of African Medicine , 2011,
Abstract: Objective: The aim of this study is to demonstrate the importance of transvaginal scan (TVS) in the detection of bladder tumors in patients presenting with postmenopausal bleeding. Materials and Methods: We examined the case records of all patients that attended a one-stop clinic between September 2001 and May 2004. Those presenting with postmenopausal bleeding (PMB) underwent transvaginal scan and endometrial pipelle sampling. Where bladder pathology was detected, urine cytology was done before referral to the urologist Results: In all, 753 women were referred. There were 17 cases of endometrial cancer detected. Three cases of bladder tumor (malignant transitional cell cancer) were found. Conclusion: We recommend careful assessment of all pelvic organs in women presenting with PMB. DOI: 10.4103/1596-3519.82071
Incidence of bladder cancer in a one-stop clinic
Yakasai A,Allam M,Thompson A
Annals of African Medicine , 2011,
Abstract: Objective: The aim of this study is to demonstrate the importance of transvaginal scan (TVS) in the detection of bladder tumors in patients presenting with postmenopausal bleeding. Materials and Methods: We examined the case records of all patients that attended a one-stop clinic between September 2001 and May 2004. Those presenting with postmenopausal bleeding (PMB) underwent transvaginal scan and endometrial pipelle sampling. Where bladder pathology was detected, urine cytology was done before referral to the urologist Results: In all, 753 women were referred. There were 17 cases of endometrial cancer detected. Three cases of bladder tumor (malignant transitional cell cancer) were found. Conclusion: We recommend careful assessment of all pelvic organs in women presenting with PMB.
Twin Reverse Arterial Perfusion (TRAP): Case Report  [PDF]
Natalia Adamou, Ibrahim Yakasai
Open Journal of Obstetrics and Gynecology (OJOG) , 2014, DOI: 10.4236/ojog.2014.416147
Abstract: The twin reversed arterial perfusion (TRAP) sequence is an anomaly unique to monochorionic multiple pregnancies. It is a rare complication. We present a case of acardius anephus, which was mistaken for a live anomalous singleton fetus. A 21-year-old unbooked Primigravida was seen in labour ward with a ten hours history of labour pains. Urgent transabdominal ultrasound revealed a singleton live fetus at 30 weeks gestation with gross cystic mass lesion at the level of the abdomen and polyhydramnious. Caesarean section confirms a twin gestation with monoamniotic monochorionic single placenta. The umbilical cord of the acardiac twin was short—First twin was a live female baby, weighing 1000 g. TRAP is a rare event an early referral to feto maternal unit will improve perinatal outcome.
IN VITRO AVAILABILITY OF CHLORAMPHENICOL IN THE PRESENCE OF CADMIUM AND LEAD SALTS
A. Musa,I. A. Yakasai,M. Garba,B. K. Mathias
Journal of Basic and Clinical Pharmacy , 2010,
Abstract: Metal ions have been reported to form chelate complexes with certain drug molecules especially those that contain ligand donor atoms. In this study, the in vitro availability of chloramphenicol in the presence of Pb and Cd was evaluated. These studies were carried out in simulated gastric juice (0.1M HCl) and intestinal pH (pH 9) at 37°C over period of 180 minutes. A double scanning UV/VIS spectrophotometer (Helios Zeta, Model 164617) was used to analyze drug content by measuring absorbance at 278 nm. An overall chloramphenicol availability of 89, 88.6 and 86 % was achieved in simulated gastric juice for chloramphenicol alone, in the presence of Pb, and of Cd respectively. The corresponding availabilities observed in simulated intestinal pH were 82.5, 63.2 and 63.2 %. The presence of Pb and Cd did not significantly affect the overall availability of chloramphenicol in simulated gastric juice. However, the availability of the drug was significantly decreased by Pb and Cd in simulated intestinal pH. The results of this study indicate that the availability of chloramphenicol may be reduced in the presence of Pb and Cd especially from the intestine, which may result in therapeutic failure.
On k(D)-Blocks  [PDF]
Ahmad M. Alghamdi
Advances in Pure Mathematics (APM) , 2015, DOI: 10.4236/apm.2015.54018
Abstract: The objective of this research paper is to study numerical relationships between a block of a finite group and a defect group of such block. We define a new notion which is called a strongly k(D)- block and give a necessary and sufficient condition of a block with a cyclic defect group to be a k(D) -block in term of its inertial index. We believe that the notion and the results in this work will contribute to the developments of the theory of blocks of finite groups.
Study of Duct Characteristics Deduced from Low Latitude Ground Observations of Day-Time Whistler at Jammu  [PDF]
M. Altaf, M. M. Ahmad
International Journal of Astronomy and Astrophysics (IJAA) , 2013, DOI: 10.4236/ijaa.2013.33032
Abstract:

Propagation characteristics of low latitude whistler duct characteristics have been investigated based on day-time measurements at Jammu. The morphogical characteristics of low latitude whistlers are discussed and compared with characteristics of middle and high latitude whistlers. The Max. electron density (Nm) at the height of the ionosphere obtained from whistler dispersion comes out to be higher than that of the background which is in accordance with the characteristics of whistler duct. The equivalent width is found to be close to the satellite observations and the characteristics of whistler duct in low latitude ionosphere are similar to those in middle and high latitude ionosphere. The width of ducts estimated from the diffuseness of the whistler track observed during magnetic storm is found to lie in the range of 50 - 200 Km.

IN-VITRO EFFECTS OF CADMIUM, CHROMIUM, MANGANESE AND ZINC ON THE ANTIMICROBIAL ACTIVITY OF CHLORAMPHENICOL
A. Musa,I.A. Yakasai,M. Garba,B.O. Olayinka
Journal of Basic and Clinical Pharmacy , 2010,
Abstract: Heavy metals have been shown to interact with various antibiotics resulting in differing spectrum of activity than that of the parent drug. In the present study the nature of antimicrobial activity exhibited by chloramphenicol in the presence of Cd, Cr, Mn and Zn at 37 C against S. typhii, S. aureus, E. coli, P. vulgaris and K. pneumoniae were evaluated. Broth dilution method of antimicrobial susceptibility testing was used to determine the minimum inhibitory concentration (MIC) of chloramphenicol against the organisms, while the cup-plate agar diffusion technique was used to quantify antimicrobial activity of the free drug and drug-metal mixtures. Results obtained for the interactions showed both decrease and increase in chloramphenicol activity depending on the type and concentration of the metal involved, and also on the organism. The resultant change in spectrum and profile of activity can result in unpredictable clinical efficacy of this drug and they should be avoided where possible.
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