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Prevalence and Antimicrobial Resistance Patterns of Pseudomonas aeruginosa Isolated from Sputum samples of Patients with Lower Respiratory Tract Infections in Amassoma, Nigeria

Didi Baraikio

Greener Journal of Epidemiology and Public Health | Greener Journals | 2026

Paper ID: RQL-PAPER-2026-000073 | DOI: 10.15580/gjeph.2026.1.022826030 | Views: 8

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Paper Information

Publication Date: 2026-02-28 | Volume: 14 | Issue: 1 | Pages: 14-19

Type: Journal article | Discipline: Public Health | Subject Area: - | Language: English

DOI: 10.15580/gjeph.2026.1.022826030

Abstract

Background: Pseudomonas aeruginosa are Gram -negative bacteria capable of causing a wide range of infections. They often exhibit high levels of resistance to multiple antibiotics, which can lead to significant morbidity and mortality, particularly in immune-compromised individuals. Methods: Three hundred and seventy- eight (378) sputum samples were obtained from patients with Lower respiratory tract infection. The samples were inoculated onto blood agar and MacConkey agar plates and incubated at 37°C for 24 hours. The isolates obtained were identified based on colony morphology, Gram staining and standard biochemical tests. Pure isolates were subsequently sub cultured on Cetrimide agar for confirmatory identification. Antimicrobial susceptibility testing was carried out on Mueller-Hinton agar using Kirby-Bauer disc diffusion method. Results: Out of the 378 sputum samples examined, 53 Pseudomonas aeruginosa isolates were recovered. Of these, 29(54.7%) were obtained from females while 24(45.2%) were obtained from males. The highest frequency of isolation was observed in the 45-54 age group with 18(33.9%) isolates, followed by the 35-44 years age group which accounted for 15(28.3%).Antimicrobial susceptibility testing showed that the isolates exhibited resistance to tetracycline (94.3%), Co-trimoxazole (90.4%), Ceftriaxone (79.2%), nitrofurantoin (73.5%) and amoxicillin/ clavulanic acid (64.1%). Conclusion: This research has demonstrated the presence of Pseudomonas aeruginosa among analyzed sputum samples of patients attending medical facilities, with antibiotic resistance. The research emphasized the need for continuous monitoring of antimicrobial resistance pattern and the judicious antibiotics use.

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Didi Baraikio (2026). Prevalence and Antimicrobial Resistance Patterns of Pseudomonas aeruginosa Isolated from Sputum samples of Patients with Lower Respiratory Tract Infections in Amassoma, Nigeria. Greener Journal of Epidemiology and Public Health. DOI: https://doi.org/10.15580/gjeph.2026.1.022826030
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