Prevalence and Antibiotics Susceptibility Pattern of Urine Bacterial Isolates from Tripoli Medical Center (TMC), Tripoli, Libya
Prevalencia y patrón de susceptibilidad a los antibióticos de los aislados bacterianos en orina del centro médico de Trípoli (TMC), Trípoli, Libia
Abir Ben Ashur, Hamida El Magrahi, Asma Elkammoshi, Hiba Alsharif
Abstract
Introduction: Urinary tract infections (UTI) are one of the most common human bacterial infections encountered by physicians. The risk of resistant microbes is emerging as a result of the overuse of antibiotics treatments. The presence of pathogens with increased resistance to antimicrobial agents makes UTIs difficult to treat. This study was aimed at determining the prevalence of the pathogens that cause UTIs, as well as the antibiotic susceptibility of these isolates.
Materials and methods: This prospective study was conducted from February 2020 to April 2020; a total number of 200 urine samples were collected from patients who daily attended TMC Libya. Bacterial pathogens were determined by bacteriological culture methods and Antimicrobial susceptibility testing was done by using the disc diffusion method.
Results: Out of 200 samples, 110 cases had a positive culture. The dominant bacterial pathogens were Gram-negative that being with Escherichia coli (49, 55.68%), followed by Klebsiella pneumonia (18, 20.46%), Pseudomona aeruginosa (9, 10.23%), Proteus mirabilis (8, 9.09%), Enterobacter aerogenes (2, 2.27%), Citrobacter freundii (2, 2.27%). Gram-positive bacteria were Staphylococcus aureus 20 (90.91%) followed by S. saprophyticus (2, 9.01%) of the isolate’s strains. The isolated uropathogen showed increased levels of resistance to antibiotics. Where the Escherichia coli, Klebsiella pneumoniae, Staphylococcus aureus indicated the highest antibiotic resistance to Nitrofurantoin, Sulfamethoxazole/trimethoprim, Tetracycline, Ciprofloxacin, Metronidazole and also revealed the most sensitivity to Cefixime followed by doxycycline and ceftriaxone.
Conclusions: The obtained results emphasized the emergence of highly resistant bacteria to most of the tested antimicrobials and propose the need for physicians to change their treatment pattern depending on antimicrobial susceptibility results.
Keywords
Resumen
Introducción: Las infecciones del tracto urinario (ITU) son una de las infecciones bacterianas humanas más comunes que encuentran los médicos. El riesgo de microbios resistentes está surgiendo como resultado del uso excesivo de tratamientos con antibióticos. La presencia de patógenos con mayor resistencia a los agentes antimicrobianos dificulta el tratamiento de las infecciones urinarias. Este estudio tuvo como objetivo determinar la prevalencia de los patógenos que causan las ITU, así como la susceptibilidad a los antibióticos de estos aislados.
Materiales y métodos: Este estudio prospectivo se realizó desde febrero de 2020 hasta abril de 2020; Se recogió un total de 200 muestras de orina de pacientes que asistían diariamente a TMC Libia. Los patógenos bacterianos se determinaron mediante métodos de cultivo bacteriológico y las pruebas de susceptibilidad a los antimicrobianos se realizaron mediante el método de difusión en disco.
Resultados: De 200 muestras, 110 casos tuvieron un cultivo positivo. Los patógenos bacterianos dominantes fueron Gram-negativos con Escherichia coli (49, 55.68%), seguidos de Klebsiella pneumonia (18, 20.46%), Pseudomonas aeruginosa (9, 10.23%), Proteus mirabilis (8, 9.09%), Enterobacter aerogenes (2, 2.27%). %), Citrobacter freundii (2, 2.27%). Las bacterias grampositivas fueron Staphylococcus aureus (20, 90.91%) seguido de S. saprophyticus, (2, 9.01%) de las cepas del aislado. El uropatógeno aislado mostró niveles aumentados de resistencia a los antibióticos. Donde Escherichia coli, Klebsiella pneumoniae, Staphylococcus aureus indicaron la mayor resistencia a los antibióticos a la nitrofurantoína, sulfametoxazol/trimetoprima, tetraciclina, ciprofloxacina, metronidazol y también revelaron la mayor sensibilidad a la cefixima seguida de la doxiciclina y la ceftriaxona.
Conclusiones: Los resultados obtenidos enfatizan la aparición de bacterias altamente resistentes a la mayoría de los antimicrobianos probados y proponen la necesidad de que los médicos cambien su patrón de tratamiento en función de los resultados de susceptibilidad antimicrobiana.
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Submitted date:
04/01/2021
Reviewed date:
05/03/2021
Accepted date:
05/24/2021
Publication date:
06/04/2021
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