Hydrogels in wound care
Hydrogel wound dressings aid in the healing process by providing a moist environment and non-adherent pain relief. Discover how hydrogel dressing wound care changes the game for a wide range of acute and chronic wounds, including infected wounds. Its composition of 90% water in a cool, soothing gel effectively regulates fluid exchange.
What Are Hydrogels?
A hydrogel is a natural or synthetic polymer material that can absorb and retain a large amount of liquid. Natural hydrogels, like collagen and alginate, exhibit great variation and are often combined with synthetic hydrogels to create composite polymers that manifest greater stability. Because of their responsive and programmable qualities, hydrogels are widely used in robotics, chemical detectors and biomedical applications. These polymers can take the form of amorphous gels or be impregnated into medical pads or wound fillers.
Hydrogels for Wound Healing
The process of wound healing requires a clean, moist environment and time. If you’re stumped looking for reasons a chronic wound won’t heal, the type of dressing applied may well be the culprit. Traditional wound care, like gauze, pulls moisture from the wound bed and can adhere to the wound, causing undue pain during dressing changes. Hydrogel wound care, on the other hand, donates moisture to the wound, creating a moist environment that promotes autolytic debridement, granulation and epithelialization. Non-adherent hydrogel wound dressings are indicated for:
- Dry or slightly moist partial- and full-thickness wounds
- Abrasions and partial-thickness burns
- Granulating wounds
- Skin damage from radiation
- Wounds with slough or eschar
Do not choose hydrogel for wounds with very high exudate or for full-thickness burns.
How to Choose a Hydrogel Wound Dressing
When it comes to choosing a hydrogel dressing, wound care best practices are an appropriate guide. Select a hydrogel wound dressing that will accommodate the specific character and severity of your patient’s wound while keeping a few cautions in mind:
- All hydrogel wound dressings require a secondary dressing.
- Do not use hydrogel wound care in conjunction with foams, gelling fiber dressings or additional, non-impregnated alginates.
Take care to avoid maceration on periwound tissue and use a plain saline solution to clean the wound between dressing changes. To help reduce the pain of radiation burns, chill hydrogel wound dressing pads in the refrigerator and apply them cold for a soothing experience.
Hydrogel Wound Gels, Pads and Fillers
In addition to hydrogel pads, many trusted brands of hydrogel wound gels and hydrogel fillers are available to patients and caregivers. Triad, SilvaSorb and Anasept are popular options for antimicrobial hydrogel wound care, while MANUKApli Sterile Honey Wound Dressing harnesses the purest medical-grade Manuka honey to act as a 100% natural, antibiotic-free hydrogel for wound healing. Regenecare HA is a hydrogel wound gel that delivers 2% lidocaine to reduce pain and inflammation immediately, in addition to aloe vera and marine collagen to rebuild the skin matrix and restore an effective moisture barrier.
Resources:
https://www.nanowerk.com/spotlight/spotid=58702.php
https://www.frontiersin.org/articles/10.3389/fbioe.2021.718377/full
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A couple from the United Kingdom had to cut their vacation in Venice short after being caught swimming in the Grand Canal.
The 35-year-old British man and his 25-year-old Romanian girlfriend were forced to return to their home in the UK on Thursday, the same day they arrived in the city, after gondoliers reported them to local police for taking a dip in the canal.
The pair were fined €450 ($529) each and expelled from Venice for 48 hours, marking the 1,136th such sanction to be handed down to badly behaved tourists in the city so far this year, according to the Venice City Police.
The unnamed couple took the plunge near the Accademia bridge near St. Mark’s Square and gondoliers at the Rio San Vidal kiosk immediately called authorities, who removed them from the water.
“I thank the gondoliers for their cooperation and timely reporting,” said Venice Security Councillor Elisabetta Pesce in a statement published by city authorities on Friday.
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“Venice must be defended from those who disrespect it: protecting the city means ensuring decorum for residents and visitors who experience it with civility.”
Swimming in the Venice canals is prohibited for a variety of reasons, including the intense boat traffic and the cleanliness — or lack thereof — of the water, according to the city’s tourism ministry.
Of the 1,136 orders of expulsion from the city so far this year, about 10 were for swimming.
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Tourists take photographs on the Rialto Bridge in Venice, Italy, on Saturday, April 8, 2023. Italy’s upcoming budget outlook will probably incorporate a higher growth forecast for 2023 followed by a worsened outlook for subsequent years, according to people familiar with the matter. Photographer: Andrea Merola/Bloomberg via Getty Images
Rising waters and overtourism are killing Venice. Now the fight is on to save its soul
“Since the beginning of the year, we have issued a total of 1,136 orders of expulsion for incidents of degradation and uncivilized behavior,” Venice local police deputy commander Gianni Franzoi said in a statement shared with CNN.
Poor visitor behavior is one of the worst byproducts of overtourism, Franzoi said, and incidents are on the rise.
In July 2024, an Australian man was fined and expelled for diving off the Rialto Bridge after his friends posted about it on social media.
The year before, two French tourists were fined and expelled for skinny dipping in the canal under the moonlight. In August 2022, a German man was fined and expelled for surfing in the canal.
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Aerial view of the plagued ghost island of Poveglia in the Venetian lagoon
‘Haunted’ Venice island to become a locals-only haven where tourists are banned
Venice’s authorities have been trying to balance the need for visitor income with residents’ demands for a city that works for them.
Day trippers now pay a €10 entrance fee on summer weekends and during busy periods throughout the year.
The city has also banned tour groups of more than 25 people, loudspeakers and megaphones, and even standing on narrow streets to listen to tour guides.
“It was necessary to establish a system of penalties that would effectively deter potential violations,” Pesce said when the ordinance was passed in February.
“Our goal remains to combat all forms of irregularities related to overtourism in the historic lagoon city center,” she added.
“The new rules for groups accompanied by guides encourage a more sustainable form of tourism, while also ensuring greater protection and safety in the city and better balancing the needs of Venice residents and visitors.”