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Author Spotlight: Studying Host-Microbe Interactions in Wound Biofilm Formation

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The Australian Mid-West Coastal Marine Wound Infections Study.

Andy Foote, Robert Henderson, Andrew Lindberg

Australian Family Physician

|February 22, 2018

Summary

Marine wound infections in Western Australia are frequently caused by Staphylococcus aureus and Vibrio species. These often polymicrobial infections may require a combination antibiotic therapy for effective treatment.

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A Delayed Inoculation Model of Chronic Pseudomonas aeruginosa Wound Infection

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Published on: February 20, 2020

Area of Science:

Microbiology
Infectious Diseases
Public Health

Background:

Marine organism wound infections are prevalent in Western Australia's coastal areas.
Current treatment guidelines are not based on local data.
This study addresses the need for region-specific etiological data.

Purpose of the Study:

To identify the specific microorganisms responsible for marine-related wound infections.
To analyze marine wound infections in the Gascoyne region of Western Australia.

Main Methods:

Prospective study design.
Inclusion of 28 consenting patients with suppurating marine wounds.
Wound swab cultures collected from emergency departments in Carnarvon and Exmouth.

Main Results:

Positive bacterial cultures were obtained from 27 out of 28 patients (96.4%).
Staphylococcus aureus was the most common pathogen (64.3%), followed by Vibrio species (32.1%).
Polymicrobial infections were observed in 39.3% of cases.

Conclusions:

Staphylococcus aureus and Vibrio species are frequently implicated in marine wound infections.
Marine wound infections in this region are often polymicrobial.
Empirical oral antibiotic therapy combining flucloxacillin (or clindamycin) with doxycycline (or ciprofloxacin) is suggested for adults.