Antibiotic Susceptibility Profile of Uropathogens Isolated from Pregnant Women in Selected Hospitals in Ilorin
Background: Urinary tract infection (UTI) is one of the most common infections among pregnant women and if untreated could lead to serious complications.
Objective: This work was carried out to determine the prevalence rate of Enterobacteriaceae uropathogens and their antibiotics susceptibility profile among pregnant women attending two ante-natal clinics in Ilorin, Nigeria.
Materials and Methods: A total of 111 pregnant women between the ages of 18-50 attending ante-natal clinic at University of Ilorin Teaching Hospital and Civil Service Hospital, Ilorin participated in the study. Mid-stream urine samples were collected and cultured on Cysteine-Lactose-Electrolyte Deficient agar. Presence of significant bacteriuria (> 105 cfu/mL) was determined using the plate count method. Antibiotic susceptibility testing was done using Kirby-Bauer disk diffusion technique.
Results: Of the 111 urine samples collected, 27.9% of them were found positive on culture. Among the isolated organisms, Klebsiella oxytoca (25.7%) followed by Klebsiella pneumonia (22.9%), were the most prevalent. Isolated bacteria were resistant to at least one antibiotic with the highest resistance seen with amoxicillin (94.3%), streptomycin (77.1%) and nitrofurantoin (54. 3%). Amoxicillin-clavulanic acid (51.4%), ceftriaxone (51.4%), ceftazidime (34.3%), cotrimoxazole (51.4%), imipenem (2.9%), ciprofloxacin (14.3%) and gentamicin (25.7%) have the lowest rate of bacteria resistance. Of the isolates, 82.9% showed Multi-Antibiotic Resistance Index (MARI) ≥ 0.3.
Conclusion: High prevalence of bacteriuria in both symptomatic and asymptomatic pregnant women was observed in the study areas. The alarming rate of multi-antibiotic resistance strain is therefore an indicator of a serious clinical problem in the community.
Keywords: Bacteriuria, pregnancy, urine culture, antibiotic susceptibility
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