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Stimuli-responsive dressings can revolutionize burn treatment in children: Study

Medha BaranwalWritten by Medha Baranwal Published On 2021-11-19T09:00:57+05:30  |  Updated On 2021-11-19T09:01:06+05:30
Stimuli-responsive dressings can revolutionize burn treatment in children: Study

Australia: Findings from two recent studies have shown that new technology from the University of South Australia could revolutionize burns treatments in children by using stimuli-responsive dressings that safely reduce infection and stimulate healing.The studies published in the journals Acta Biomaterialia and Biomedicines describe the antimicrobial efficacy of ultra-small silver...

Australia: Findings from two recent studies have shown that new technology from the University of South Australia could revolutionize burns treatments in children by using stimuli-responsive dressings that safely reduce infection and stimulate healing.

The studies published in the journals Acta Biomaterialia and Biomedicines describe the antimicrobial efficacy of ultra-small silver nanoparticles against wound biofilms. 

The findings are significant as burns are one of the most common injuries and are one of the leading causes of death in children under four. While there has been substantial improvement in the survival rates for burns patients treating pediatric burns remains challenging, especially with the rise of multi-drug resistant bacteria.

A research team at the UniSA's Future Industries Institute (Dr Zlatko Kopecki, Professor Allison Cowin and Professor Krasimir Vasilev) developed the advanced sliver nanoparticle hydrogel-coated dressing. The dressing delivers an 'on demand' release of ultra-small silver nanoparticles that can safely break down antibiotic-resistant bacteria and promote wound repair. 

The treatment innovation lies in a delivery system that responds to changes in pH and temperature, activating only when an infection is present.

Lead researcher, UniSA's Dr Zlatko Kopecki, says the novel treatment could significantly change the clinical management of burn infections.

"Wound infection and sepsis are daily problems for children with burn injuries," Dr. Kopecki said in the university's press release. 

"Silver-based wound care products can inhibit the growth of bacteria, but they can also cause toxicity when they deliver too much silver to wounds.

"Our treatment is unique in that it capitalizes on the anti-bacterial properties of silver, but avoids over-exposure, by only activating when infection in present.

"These advanced, 'on demand' silver nanoparticle dressings will regulate inflammation while promoting tissue regeneration, making this a much safer and effective treatment for children."

UniSA's Professor Vasilev says the new technology will be a gamechanger for burns management.

"Currently there are no responsive wound dressings on the market," Prof Vasilev says. "This collaborative effort will enable the utilization of smart materials to the benefit of patients and clinicians." 

Research partners Dr Bernard Carney and Dr Andrew May, of the Burns Unit of the Women's and Children's Hospital (WCH), are working in partnership with UniSA to better understand pathogens present in child burns and develop targeted therapy approach.

"Every year, the WCH's Burns Unit treats around 600 children suffering from burns, with scalds making up a significant proportion of these injuries," Dr May says.

"Most commonly these incidents happen at home. Children under five are most at risk because they like to mimic adult behaviour, which means that hot drinks, taps, and saucepans are all big danger zones.

"Despite modern advances in burns surgery, infection remains a big challenge for these vulnerable children and so topical silver treatments are used widely to combat this.

"We are pleased to be collaborating with the great minds at UniSA in bringing new silver treatments to give children the greatest opportunity to recover from burns and live their best lives."

References:

1) The study titled, "Multifunctional ultrasmall AgNP hydrogel accelerates healing of S. aureus infected wounds," is published in the journal Acta Biomaterialia.

DOI: https://www.sciencedirect.com/science/article/abs/pii/S1742706121002440

2) The study titled, "Eradication of Mature Bacterial Biofilms with Concurrent Improvement in Chronic Wound Healing Using Silver Nanoparticle Hydrogel Treatment," is published in the journal Biomedicines. 

DOI: https://www.mdpi.com/2227-9059/9/9/1182

burns Acta Biomaterialia Biomedicines wound healing 
Source : University of South Australia
Medha Baranwal
Medha Baranwal

    MSc. Biotechnology

    Medha Baranwal joined Medical Dialogues as an Editor in 2018 for Speciality Medical Dialogues. She covers several medical specialties including Cardiac Sciences, Dentistry, Diabetes and Endo, Diagnostics, ENT, Gastroenterology, Neurosciences, and Radiology. She has completed her Bachelors in Biomedical Sciences from DU and then pursued Masters in Biotechnology from Amity University. She has a working experience of 5 years in the field of medical research writing, scientific writing, content writing, and content management. She can be contacted at  editorial@medicaldialogues.in. Contact no. 011-43720751

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