Antibiotic Susceptibility and Biofilm Forming Ability of Isolated from Jordanian Patients with Diabetic Foot Ulcer

Overview

Journal Iran J Microbiol

Publisher Tehran University of Medical Sciences

Specialty Infectious Diseases

Date 2024 Sep 13

PMID 39267929

Authors

Dima Owais

Rania M Al-Groom

Tareq Nayef AlRamadneh

Laila Alsawalha

Mohd Sajjad Ahmad Khan

Omar H Yousef

Shereen Z Burjaq

Affiliations

Soon will be listed here.

Abstract

Background And Objectives: Microbial biofilm is characterized by the irreversible attachment of planktonic cells to a surface and is usually associated with high antimicrobial resistance with worsening the wound healing. The objective of the study was to determine the prevalence of in diabetic foot ulcers (DFUs) of diabetic patients and to investigate antibiotic susceptibility patterns of these isolates. In addition to screen biofilm forming ability of isolated

Materials And Methods: A total of 112 non-healing wound swabs of diabetic foot patients were collected and cultured on different culture media to identify and characterize 98 isolates. The isolates were examined for their antibiotic susceptibility to different antimicrobial agents. Furthermore, isolates were evaluated for their biofilm production capability using the Tissue Culture Plate Method (TPC). The level of gene expression was determined by RT-PCR.

Results: The results of this study showed that these non-healing wounds yield positive cultures, with an average of 1.67 organisms per sample. The isolates showed highest resistance against oxacillin (95.2%) and lowest resistance against linezolid (3.7%). All isolates were biofilm producers and a significant association with the gene expression level was recorded.

Conclusion: This study showed that isolates have a great ability to produce biofilms that are associated with the chronicity of wounds in diabetic patients. Routine screening for biofilm formers in chronic wounds and their antibiotic susceptibility testing will help in early treatment and prevent any other complications.

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