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Fournier's Gangrene: Experience with Management of 46 Cases in a Tertiary Institution

Open Journal of Urology 2012年第3期2卷 109-112页

作者： sani ali aji sani Usman Alhassan Musa Muhammad Ujudud Urology Unit Department of Surgery Aminu Kano Teaching Hospital Kano Nigeria

Background: Fournier's gangrene is a rapidly spreading necrotizing gangrene affecting the perineum, Perianal and genital regions but remarkably sparing the testicles, bladder and rectum due to their separate blood supply which is directly from the aorta. The aim of this study is to share our experience with the management of 46 cases. Patients and method: We retrospectively analysed the medical records of 46 patients admitted with Fournier's gangrene between April 2005 and December 2011 in the urology unit of Aminu Kano Teaching Hospital. Data extracted from these include age, sex, hospital stay, premorbid diseases, mobility, mortality, laboratory investigations and treatments carried out. Results: Fourty six patients were admitted and managed for Fournier's gangrene during the study period. All the patients were male and mean age was 50 years (range 20 - 80 years). Five patients died (10.90%) mortality, 41 (89.10%) patients survived. The shortest hospital stay was 13 days and longest was 120 days. 45.7% of the patients had urethral stricture with watering can perineum as predisposing factor, 16 (34.80%) had diabetes mellitus, 7 (15.2%) had perineal injuries as the predisposing factors while 5 (10.90%) patients had uraemia and one patient (2.20%) each had bladder tumour and scrotal abscess as their predisposing factors, in 3 patients (6.50%) it was idiopathic. Only 34 (73.90%) patients had wound swab microscopy culture and sensitivity on admission. The culture grew Klebsiella spp. in 9 (26.50%), Staph aureus and E. coli in 5 (10.90%) of cases each, while Gram positive rod and Gram negative Cocci with 4 (11.80%) and 6 (17.60%) respectively. Conclusion: Fournier's gangrene which is a rapidly progressive, fulminant polymicrobial synergistic infection of the perineum and genitals, is now changing pattern. Extensive surgical debridement and broad spectrum intravenous antibiotics remain the mainstay of treatment.

关键词： Fournier's Gangrene Management Changing Pattern

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Urinary Retention in Adults Male Patients: Causes and Complications among Patients Managed in a Teaching Hospital in North Western Nigeria

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Open Journal of Urology 2016年第7期6卷 114-121页

作者： Muzzammil Abdullahi Bashir Yunusa Sharfuddeen Abbas Mashi sani ali aji sani Usman Alhassan Urology Unit Department of Surgery Bayero University/Aminu Kano Teaching Hospital Kano Nigeria

Background: Urinary retention is one of the common urologic emergencies constituting a significant workload of urologists and non-urologists alike. Aims and Objectives: This study was undertaken to identify the causes and complications associated with urinary retention in adult male patients at AKTH, Kano. Patients and Methods: It was a prospective hospital-based study of 110 consecutive adult male patients who presented to Aminu Kano Teaching Hospital, Kano with urinary retention over 12 months. On presentation, a brief history was taken and rapid physical examination done;the urinary retention was relieved by urethral catheterization or suprapubic cystostomy. A detailed history and thorough physical examination findings were later obtained. Results: One hundred and ten patients were seen during the study period. There ages ranged from 17 to100 years with a mean of 56 ± 19.3 SD years. Patients within the age range 55 - 74 years accounted for the largest group, (25.5% + 23.6% = 49.1%). The most common cause of urinary retention in this study was benign prostatic hyperplasia (51.8% of the patients). This was followed by urethral stricture (20%), cancer of the prostate (7.3%), urethral injury (7.3%) and bladder tumour (6.4%). More than half of the patients (53.4%) presented with acute urinary retention, 30.5% presented with chronic urinary retention, and 16.1% were diagnosed to have acute-on-chronic urinary retention. The complications of urinary retention found were: urinary tract infection (in 24.5% of patients), renal impairment (14.5%), and anaemia (11.8%). Conclusion: Urinary retention is commoner among the middle aged and the elderly. Benign prostatic hyperplasia remains the leading cause of urinary retention. Acute urinary retention was the commonest type of urinary retention;however, complications due to the retention were associated with chronic and acute-on-chronic urinary retention.

关键词： Urinary Retention Causes Complications Adult Male

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Tuberculosis of the Prostate Gland Masquerading Prostate Cancer: A Case Report

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Open Journal of Urology 2013年第7期3卷 269-271页

作者： sani ali aji sani Usman Alhassan Sharfuddeen Abbas Mashi Muhammad Ibrahim Imam Department of Pathology Bayero University/Aminu Kano Teaching Hospital Kano Nigeria Urology Unit Bayero University/Aminu Kano Teaching Hospital Kano Nigeria

Tuberculosis is one of the most important infectious diseases, particularly in developing countries. Involvement of the prostate gland is very rare. We present a 70-year-old man who presented with low back pain and progressive weakness of the lower limbs associated with irritative lower urinary tract symptoms. Prostate gland was enlarged, hard and nodular. Prostate specific antigen was 6 ng/ml, Erythrocytes sedimentation rate was 130 mm/hr and Monteux was positive. Prostate biopsy revealed features of tuberculosis and lumbosacral radiograph revealed features of Pott’s disease. Diagnosis of disseminated tuberculosis with prostate involvement was made and patient was placed on anti-tuberculosis drugs with good response.

关键词： Disseminated Tuberculosis Prostate Gland Diagnosis

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Development of processing map for InX-750 superalloy using hyperbolic sinus equation and ANN model

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Rare Metals 2021年第12期40卷 3598-3607页

作者： Saeed aliakbari sani ali Khorram Abed Jaffari Golamreza Ebrahimi School of Metallurgy and Materials Engineering Iran University of Science and TechnologyNarmakTehran 16846-13114Iran Department of Mechanical Engineering KNToosi University of TechnologyTehran 19395-1999Iran Department of Material and Metallurgy Engineering Iran University of Industries and Mines(IUIM)Tehran 19537-65733Iran Materials and Polymers Engineering Department Faculty of EngineeringHakim Sabzevari UniversitySabzevar 96179-76487Iran

The aim of this study is to develop processing maps based on two models and compare them with conventional processing *** hyperbolic sinus constitutive equation and artificial neural network(ANN)approaches were used in this investigation to predict flow stress and to develop processing maps in various *** hot compression tests of InX-750 superalloy were carried out above the gamma prime phase temperature and within the temperature range of 1000-1150℃and strain rate of 0.001-1.000 s^(-1).The processing maps were conducted based upon dynamic material model(DMM)for data by experimental,constitutive equation and ANN *** processing maps drawn by either of the prediction methods show that the method developed by ANN data does not significantly differ from the experimental processing *** ANN approach is thus a suitable way to predict the flow stress as well as hot working processing map of engineering metals and materials.

关键词： Hot deformation Hyperbolic sine equation ANN model Prediction Processing map

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Guest Editorial: Advances in High Voltage DC Systems/Grids Control, Operation, and Protection

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High Voltage 2020年第5期5卷 499-500页

作者： Kumars Rouzbehi ali Mehrizi-sani Department of Systems Engineering and Automatic Control University of SevilleSpain. Bradley Department of Electrical and Computer Engineering Virginia TechUSA.

Interconnections between AC power systems,power transmission with higher efficiency,and aggregation and delivery of power from offshore wind farms to different AC regions are among the main drivers for the development of HVDC *** grids can result in lower demand variability,higher flexibility,superior electricity market management,and higher economic *** is expected that isolated HVDC systems transition to an HVDC grid that overlays the existing AC *** a substantial development also results in a number of critical technical challenges related to system control,operation,and protection,which should be properly and accurately *** Special Issue focuses on the recent achievements and advancements in overcoming these *** papers for publications in this Special Issue fall into four major topics:devices,control,operation,and protection.

关键词： properly operation offshore

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Interfacial microstructure and mechanical properties of tungsten carbide brazed joints using Ag-Cu-Zn + Ni/Mn filler alloy

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Transactions of Nonferrous Metals Society of China 2017年第12期27卷 2638-2646页

作者： Mahyar HASANABADI ali SHAMSIPUR Hasan NAJAFI sani Hamid OMIDVAR Sima SAKHAEI Department of Mining and Metallurgical Engineering Amirkabir University of Technology Tehran 15875-4413 Iran

WC-Co hard metal was furnace brazed by Ag-Cu-Zn+Ni/Mn filler alloy using a tube furnace under high-purity argon at730°*** influence of brazing time and gap size of joints was *** results revealed the maximum shear strength of(156±7)MPa for samples with150μm gap size at a holding *** characterization and microstructure of the brazed joints were characterized by SEM,EDS and *** results showed that increasing the time from5to15min could provide a better chance for the liquid interlayer to flow towards the base ***,the formation of some metallic phases such as Mn3W3C at brazing time longer than15min resulted in decreased shear strength of the joint.

关键词： brazing tungsten carbide Ag alloy filler alloy microstructure wetting properties shear strength

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Evaluation of antibacterial effect of Cyperus species on typical food-borne pathogens

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Journal of Coastal Life Medicine 2017年第9期5卷 394-397页

作者： Anis Alam Lotfabadi ali Mohammadi sani Young Researchers and Elite Club Quchan BranchIslamic Azad UniversityQuchanIran

Objective: To evaluate the antibacterial effect of Cyperus species as an important medicine plant in the study area. Methods: The agar disk diffusion method was used to study the antibacterial activity of Cyperus extracts against 2 Gram-positive and 4 Gram-negative bacteria at concentration 400 and 600 mg/mL of methanol and the aqueous extract. Then minimum inhibitory concentrations and minimum bactericidal concentrations were determined by micro-dilution method. Results: The results showed that the methanol extract of longus species presented the highest zone of inhibition against tested pathogens (15 mm inhibition zone). Other plants did not show significant inhibition zone. The methanol extracts of the plant against Pseudomonas aeruginosa (PTTC 1707) strains showed the best activities, with the lowest minimal inhibitory concentration of 3.125 mg/mL and minimum bactericidal concentration was 166.50 and 83.25 mg/mL, respectively for Staphylococcus aureus (PTTC 1431) and Escherichia coli (PTTC 1399). Conclusions: The results showed that the methanol extract of the herb has antibacterial activity and therefore it could be used as a natural preservative ingredient in food and/or pharmaceutical industries.

关键词： Antibacterial activity Minimum inhibitory concentration Minimum bactericidal concentration Cyperus species

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An Assessment of the Groundwater Potential of Bayero University Kano Permanent Site Using Induced Polarization and Self-potential Methods

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Journal of Earth Science and Engineering 2014年第10期4卷 587-596页

作者： Shehu sani Jamaluddeen Abdulrahim ali Bunawa Muhammad Saleh Department of Physics Usmanu Danfodiyo University Sokoto 840212 Nigeria Department of Physics Bayero University Kano 700231 Nigeria

This paper centers on the investigation of the subsurface condition of Bayero University Kano Permanent Site with the aim of understanding the lithology and also mapping out the groundwater patterns within the area. To achieve this, time domain IP （induced polarization） and SP （self-potential） methods were adopted using VES （vertical electrical sounding） technique with 49 stations sounded. The result of the interpreted and analyzed measured data shows that the area is underlain by two to five subsurface layers. These layers are top soil, laterite, weathered basement complex rocks, fractured basement complex rocks and fresh basement complex rocks. The aquiferous zone of the study area occurs in the weathered and fractured basements and its thickness ranges from 1.44 m to 70.157 m while the overburden thickness lies between 1.6 m and 72.104 m. SP values were plotted against depths of investigation in order to identify areas with greater depth of flow in the study area. From the analysis of the overburden thickness, aquifer thickness and SP values, the most favorable regions for groundwater exploitation were found around VES 6, 11, 13, 19, 26, 38, 44 and 48. The investigation also provides information about the subsurface condition with regards to engineering construction and safe place for refuse dumping in order to avoid groundwater contamination.

关键词： Subsurface induced polarization self-potential.

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Superior Mesenteric Artery Syndrome: First Chadian Observation

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Surgical Science 2017年第8期8卷 358-364页

作者： Choua Ouchemi ali Mahamat Moussa Moussa Kalli Taday Moussa Telniaret Armel Sadie Ismael Guire sani Rachid Service de Chirurgie Générale H&ocirc pital Général de Référence Nationale (HGRN) N’Djaména Tchad Service de Médecine Interne et Gastroentérologie H&ocirc pital Général de Référence Nationale (HGRN) N’Djaména Tchad Service de Radiologie H&ocirc pital Général de Référence Nationale (HGRN) N’Djaména Tchad Université Abdou Moumouni Niamey Niger

Introduction: The extrinsic compression of the third portion of the duodenum between the superior mesenteric artery and the aorta defines superior mesenteric artery syndrome. It determines an acute or chronic high intestinal obstruction pattern. We report the first observed case in Chad. Observation: HH was a 19 year-old woman with abdominal pain and intermittent postprandial vomiting since she was 5 years old. During last 11 months, post-prandial vomiting was more frequent, and non resolved after medical treatment. Unquantified weight loss was reported. Body mass index at hospitalization was 9.8. An injected abdominal scan demonstrated significant gastroduodenal distension, upstream of a stenosis of the third duodenal portion. Aorto-mesenteric space and angle were reduced. At laparotomy internal derivation by duodenojejunostomy was done. Postoperative situation was uneventful. Conclusion: Superior mesenteric artery syndrome determines an acute or chronic intestinal obstruction. Injected abdominal scan is fundamental for diagnosis. The treatment is firstly conservative but the need of surgery is common.

关键词： Superior Mesenteric Artery Syndrome Intestinal Obstruction Duodenojejunostomy Chad

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A Comparative Study of Fungal and Some Aflatoxin Contents of Freshly Fried and Stored <i>Sallah</i>Meat from Danbatta Local Government Area of Kano State, Nigeria

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Open Journal of Medical Microbiology 2020年第2期10卷 71-88页

作者： Fatima S. Abdullahi Amin O. Igwegbe Bello A. Bello Mamudu H. Badau sani Abashe Imaan U. Igwegbe Zainab ali Department of Food Science and Technology Federal University Dutsin-ma Dutsin-ma Nigeria Department of Food Science and Technology University of Maiduguri Maiduguri Nigeria Department of Biochemistry Federal University Dutse Dutse Nigeria Department of Medical Microbiology University of Maiduguri Teaching Hospital (UMTH) Miaduguri Nigeria Department of Animal of Science University of Maiduguri Maiduguri Nigeria

A comparative study of Fungi (yeast and moulds) and their toxic metabolites was carried out on offal and muscles of freshly fried and stored Sallah meats from rams, bulls, goats and camels slaughtered for sacrifice in Danbatta Local Government Area, Kano State, Nigeria. The objective was to determine the effects of frying and four weeks storage at ambient temperatures on the mycological loads of the fried and stored meats. A total of seventy two (72) samples of muscles and offal were collected from six different and randomly selected households that slaughtered and fried any of the four animals during that period. The samples were analyzed immediately as freshly fried, and then stored for a period of four weeks during which analyses were conducted at the second and fourth weeks. An analysis of variance (ANOVA) was used to compare between the fungal loads and the toxin contents in the stored meat. Results revealed the presence of Mucor, Rhizopus stolonifer, Aspergillus niger, Saccharomycetes, Penicilium spp and Aspergillus flavus;and that, Aspergillus flavus and

关键词： Danbatta Sallah Meat Aflatoxin Metabolites Fried Meat

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