The Significant Association between Polymicrobial Diabetic Foot Infection and Its Severity and Outcomes.

Authors:
Nurahan Maning
Nurahan Maning
Institute for Medical Research
Malaysia

Malays J Med Sci 2019 Jan 28;26(1):107-114. Epub 2019 Feb 28.

Pathology Department, Hospital Raja Perempuan Zainab 2, 15586 Kota Bharu, Kelantan, Malaysia.

Background: Foot infection is a major complication of diabetes mellitus (DM) and its agents are usually polymicrobial. This study aims to describe the agent and determine the association between polymicrobial infections and the severity of diabetic foot infections (DFI) and their outcomes.

Methods: This retrospective cohort study was conducted during one year and it involved 104 patients. Their records were reviewed and assessed. The causative agents and its sensitivity pattern were noted. The results were presented as descriptive statistic and analysed.

Results: A total of 133 microorganisms were isolated with 1.28 microorganisms per lesion. The microorganism isolated were 62% ( = 83) GN (Gram-negative) and 38% ( = 50) GP (Gram-positive). GN microorganisms include spp (28%), spp (11%), spp (8%) and (4%). (54%) was predominant among GP, followed by Group B (26%) and spp (6%). Thirty patients (28.8%) had polymicrobial infections. The association between the quantity of microorganisms and severity of DFI was significant. Among severe DFI cases, 77.8% with polymicrobial microorganisms underwent amputation compared to 33.3% with monomicrobial infection.

Conclusion: GN microorganisms were predominantly isolated from DFIs and remained sensitive to widely used agents. Polymicrobial infections were associated with DFI severity.

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Source
http://dx.doi.org/10.21315/mjms2019.26.1.10DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6419864PMC
January 2019
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