ABSTRACT
Aims: The study was carried out in order to determine the plasmid profile, antibiotic susceptibility pattern and the type of antimicrobial resistance (whether it is chromosomal or plasmid mediated) among producers of extended spectrum beta-lactamases of uropathogens in children. Study Design: A cross-sectional study of three hundred children in a hospital. Place and Duration of Study: Department of Pediatrics (Pediatrics Ward) and Department of Medical Microbiology and Parasitology, Nnamdi Azikiwe University Teaching Hospital, Nigeria between January 2009 to September 2010. Methodology: Clean-catch urine samples were collected from 300 children aged 1 month to 16 years with suspected community acquired urinary tract infection. Isolated bacteria were identified using standard microbiological techniques. Antimicrobial susceptibility test was carried out by disc diffusion method. Extended Spectrum Beta- Lactamase (ESBL) was determined among the Gram-negative bacteria using double disc synergy test (DDST). The plasmid DNA of the bacterial isolates was extracted using alkalysis method and electrophoresed on 0.8% agarose gel stained with 2μl ethidium bromide (EtBr). Result: The result of the study showed that Staphylococcus aureus had the highest prevalence among gram positive bacteria. Escherichia coli had the highest prevalence among gram negative bacteria. Staphylococcus aureus showed cross resistance towards some of the antimicrobial agents. Escherichia coli and Pseudomonas showed multiple drug resistance. All the uropathogens isolated were 100% susceptible to imipenem. The study highlights among the ESBL-producers, plasmids of higher molecular weight of 30Kb. Conclusion: It is therefore suggested that appropriate antimicrobial agent be administered to reduce the risk of multi-drug resistance and avert the ineffectiveness of antimicrobial agents.
ABSTRACT
Background: Undernutrition remains the largest contributor to the global disease burden. Different factors affecting the nutritional status of children need to be studied to determine those to be targeted in a country like Nigeria; characterized by widespread poverty and inequitable distribution of wealth. Objective: This study was aimed at ascertaining the relationship between prevailing socioeconomic and environmental factors; and the nutritional status of children residing in a typical urban slum. Materials and Methods: A cross-sectional descriptive study of 788 children aged 6-12 years selected by stratified; multistage random sampling method from public primary schools in slum and non-slum areas of Onitsha was carried out. Their nutritional status was determined using anthropometric measures. The socioeconomic and environmental variables of interest were analyzed to determine their relationship with undernutrition in the children. Results: Socioeconomic status was the major determinant of nutritional status in this study. Poor housing also affected the nutritional status of the slum children who were significantly from poorer families than those residing in non-slum areas (?2 = 66.69; P = 0.000). Conclusion: This study highlights the need for an effective nutrition program targeted at school children in urban slums surrounded by factors predisposing them to undernutrition