Background: Urinary Tract Infection (UTI) is a common pathogenic inflammatory, distressing, and occasionally life-threatening condition that affects people of all ages and gender, mostly propelled by the emergence of multidrug-resistant bacteria. Cloves are used as spices in food and flavouring agent in drinks it is also used traditionally as a treatment for urinary infections. Aim: This study was carried out to evaluate the antimicrobial potentials of Clove extracts on multidrug-resistant (MDR) Uropathogenic bacteria. Design: This is a Clinical and laboratory-based study of patient with cases of UTI Place and Duration of study: This study was conducted in the Microbiology laboratory of Abubakar Tafawa Balewa University Teaching Hospital (ATBUTH), Bauchi, Nigeria, from January to December, 2021. Methodology: Two hundred and fourty five (245) clean catch midstream urine samples were collected from patients with suspected cases of urinary tract infection attending GOPD ATBU TH. Bacteria were isolated using standard techniques and antibiotic resistant pattern was tested by Kirby Bauer Disk Diffusion method. Bioactive components of clove was extracted using diethyl ether, ethanolic and water as solvents. Phytochemical analysis of the extracts was also carried out. Results: Out of the samples analysed, 168 (68.6%) showed significant bacteriuria. UTI was more prevalent in women within the active age group 21-30. The isolates resistant to seven and above commonly used antibiotics are selected from each specie to test for efficacy. The extracts revealed the presence of alkaloids, glycosides, saponins, tannins, flavonoids, sterols and Triterpenes. In vitro antimicrobial activity of diethyl ether, ethanolic and aqueous extract of cloves at different concentration of: 200mg/ml, 100mg/ml, 50mg/ml, 25mg/ml, 12.5mg/ml and 6.25mg/ml were tested against multidrug resistant isolates. S. aureus and Klebsiella spp are the most sensitive to all clove extracts while E. coli and P. aeruginosa are less sensitive. All Three extracts showed a broad spectrum of activities at higher concentrations (200mg/ml) while no or less activity at the lower concentration of the extracts. Diethyl ether extract exerts higher activity than ethanolic and aqueous extract as revealed by the mean diameter of zone of inhibitions, MIC and, MBC values. The MIC values of the extracts were lower than their MBC values suggesting that the extracts inhibited the growth of MDR isolates while being bactericidal at higher concentrations. Conclusion: Staphylococcus aureus and E. coli are among the commonest uropathogens clinically encountered in this area and most of the species are resistant to commonly administered antibiotics. Clove extracts had great antimicrobial potential against these bacteria, therefore it can be used in the treatment of UTIs. However, it is necessary to determine its toxicity, pharmacokinetic properties and side effects.
Background: For many years, antimicrobial chemotherapeutic approach have been challenged by drugs resistant bacteria such as Salmonella associated with gastrointestinal infections. To overcome these effects, several attempts by herbalists and traditional healers were in progress, using some plants parts to treat Typhoid fever in Nigeria. Aim: The aim of this work was to determine the antibacterial activity of Senna siamea leaves and Tamarindus indica fruit pulp against multidrug resistant Salmonella typhi. Methods: A total of 168 samples of stool and blood from patients with suspected cases of typhoid fever were collected and only three (3) Salmonella typhi isolates were recovered (from the 168 samples) by conventional microbiological techniques. The isolates were screened for multidrug resistant properties according to Kirby -Bauer disc diffusion method. Water and ethanol were used to extract phytochemical components from powdered leaves of Senna siamea and Tamarindus indica fruit pulp via percolation method. The extracts were tested for the antibacterial activity against the clinical isolates of Salmonella typhi. Results: All the isolates (100%) were resistant to Ampicillin, Amoxicillin, while two (66.7%) to Erythromycin and Tetracycline and sensitive (100%) to Streptomycin, Gentamycin, Nalidixic acid Ciprofloxacin, Cotrimoxazole, Augmentin and Chloramphenicol, The phytochemical screening o of both plants extracts showed the presence of alkaloids, terpenoids, flavonoids, saponins, tannins, carbohydrates and cardiac glycosides. The result shows that aqueous and ethanolic extracts of combined Tamarind and Senna siamea were more active (2.50µg/ml) against Salmonella typhi when compared to individual extracts. Conclusion: This study shows that aqueous and ethanol extracts of both plants exhibited activity on S. Typhi, hence, possess antimicrobial potentials that it can be used in treatment of typhoid.
The global production and consumption of plastics has been increasing continuously. However, disposing of plastic wastes in landfill is becoming undesirable due to poor biodegradability. The re-utilization of plastics together with the development of green technologies is mandatory, hence chemical recycling offers a promising alternative as a potential for plastics to maintain their original properties. The scope of this research is focused on the recycling of plastic waste by the chemical dissolution method to optimize the reaction variables in the dissolution/precipitation method using a statistical experimental design. Optimization of the recycled plastics was done using response surface methodology based on box Behnken design. The optimum yield of the recovered plastic 93.4% was achieved at a temperature of 300C, a residence period of 30min and a solvent/non-solvent ration of 1:2 v/v. The mechanical and physical properties of the recovered plastics revealed similar value to that of the virgin polymer. The FTIR spectrum of the recycled plastics shows a less significant structure alteration when compared with the spectra of the virgin polymers. Similarly, the thermal stability of the recycled plastics determined using thermogravimetric analysis (TGA) shows a less significant difference when compared with the reported thermal stability of the virgin polymers. Therefore, the study infers that chemical recycling (dissolution/precipitation) can be an appreciable option for getting rid of waste plastics in the environment as well as providing feedstock for the reproduction of plastics.
Background: Wound infection comprises numerous different organisms that have the ability to surface colonization of wounds. Multidrug-resistant Pseudomonas aeruginosa is one of the pathogenic bacteria associated with wound infections. Aim: This study isolated and identified multidrug-resistant Pseudomonas aeruginosa from infected wounds and determine the antibacterial activity of Lawsonia inermis leaf extracts against it. Design: This is a Clinical and laboratory-based study involving patients with defined cases of wound infections. Place and Duration of Study: This study was conducted in the Microbiology (Bacteriology) laboratory of Specialist Hospital, Bauchi, Nigeria, from February to November 2021. Methods: Twenty-eight (28) Pseudomonas aeruginosa isolates were recovered from 179 wound swabs using standard laboratory procedures and were screened for multidrug-resistant patterns according to the Kirby-Bauer disc diffusion method. Antibacterial efficacy of the aqueous, ethanolic, and methanolic leaf extracts of Lawsonia inermis was tested against the multidrug-resistant isolates using agar well diffusion techniques. The zone of inhibition was measured and the differences between means were statistically analyzed (p<0.05). Results: A total of twenty-eight (28) multidrug-resistant Pseudomonas aeruginosa were confirmed, showing resistance to Amoxicillin (64.3%), Ceftazidime (85.71%), and Cefotaxime (78.57%) but sensitivity to Imipenem (95.5%). The phytochemical screening revealed the presence of flavonoids, glycosides, saponins, steroids, and tannins among others. MDR P. aeruginosa was inhibited at varied concentrations of the extracts with the diameter mean zone of inhibition increasing as the concentration increased. The Methanol extracts showed the highest antibacterial activity against MDR P. aeruginosa with a mean zone of inhibition of 9.500±0.288mm at 400mg/ml. Conclusion: These results indicated that Lawsonia inermis leaf extracts possess antibacterial activities on Multidrug-resistant Pseudomonas aeruginosa which could be a good source for the production of plant-based antibacterial drugs., although somewhat less than the synthetic standard drugs (Imipenem) having a mean of 13.83±0.288mm.
Introduction: Fungal infection is a common manifestation in this part of the country and worldwide. It is essential to define the epidemiology of fungal infection in a particular environment. Aim: This study aims to analyze the diagnosis of fungal infection carried out in patients attending the histopathology department (UDUTH) Sokoto from 2014 to 2018. Method: This study is a retrospective study of all fungal infection biopsies carried out from 2014 – 2019 in Usmanu Danfodiyo University Teaching Hospital, Sokoto, northwestern Nigeria, a referral centre for the neighbouring northern states Kebbi and Zamfara. Ethical clearance was obtained from the ethical committee of UDUTH, data was collected from histological report cards and analyze manually. Some tissue blocks of the case were retrieved to confirm the diagnosis. A total of 66 requests for fungal diagnosis were received from January 2014 to December 2018, which represent about 0.7% of the total biopsies received over the study period. Result: Out of the 66 of request for fungal diagnosis 32(48.5%) were fungal positive. Subcutaneous mycosis was the most frequent fungal infection with a frequency of 18(56.25%). Males were more frequently affected than females with the frequencies of 18(56.25%) and 14 (43.75%) respectively.
Background: Pelvic ultrasonography involves the evaluation of pelvic organs and structures. It is valuable in the diagnosis of pathological conditions which are likely causes of pelvic pain.Purpose: The objective of this study was to evaluate the pattern of pelvic ultrasound request and findings in Abubakar Tafawa Balewa University Teaching Hospital (ATBUTH) Bauchi.Methods: A retrospective study was conducted in the radiology department of ATBUTH. A total of 1,320 ultrasonography records of patients for pelvic examination were reviewed from January 2016 to February 2017,and tabulated according to age, sex, clinical indication and ultrasound findings. Data were analyzed using SPSS version 20.0 to determine the mean, frequency and percentages. Pearson’s correlation was used to determine the relationship between clinical indication and ultrasound findings.Results: The age group of 21-30 years and 31- 40 years had the highest frequency (n = 627, 47.5 %) and (n = 321, 24.3%), respectively. Gender distribution were 1158 (87.7 %), for females and 162 (12.3 %) for males. Pelvic pain had the highest indication, 72.3% (n = 955), followed by PID, 9.2% (n = 121), then BPH, 3.4% (n=45) and, ovarian cyst, 2.7 % (n = 36). Conclusion: The highest indication and findings are pelvic pain and pelvic inflammatory diseases, among females while benign prostatic hypertrophy was the highest in males.
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