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https://www.readbyqxmd.com/read/27905181/effectiveness-of-collagen-oxidised-regenerated-cellulose-silver-containing-composite-wound-dressing-for-the-treatment-of-medium-depth-split-thickness-skin-graft-donor-site-wounds-in-multi-morbid-patients-a-prospective-non-comparative-single-centre-study
#1
Alexander Konstantinow, Tatjana V Fischer, Johannes Ring
Split-thickness skin grafting (STSG) is a widely used method in reconstructive surgery, but donor site wounds (DSWs) are often slow healing and painful. This prospective study evaluated the performance of a composite wound dressing containing collagen/oxidised regenerated cellulose in the treatment of medium-depth (0·4 mm) DSWs in 25 multi-morbid patients with chronic leg ulcers requiring STSG. The range of patients' ages was 44-84 years (mean 71·6 years) with DSW sizes ranging between 12 and 162 cm(2) (mean 78 cm(2) )...
December 1, 2016: International Wound Journal
https://www.readbyqxmd.com/read/27901391/comparison-of-antibacterial-effects-among-three-foams-used-with-negative-pressure-wound-therapy-in-an-ex-vivo-equine-perfused-wound-model
#2
Lore L Van Hecke, Maarten Haspeslagh, Katleen Hermans, Ann M Martens
OBJECTIVE To compare antibacterial effects among 3 types of foam used with negative-pressure wound therapy (NPWT) in an ex vivo equine perfused wound model. SAMPLES Abdominal musculocutaneous flaps from 6 equine cadavers. PROCEDURES Each musculocutaneous flap was continuously perfused with saline (0.9% NaCl) solution. Four 5-cm circular wounds were created in each flap and contaminated with 10(6) CFUs of both Pseudomonas aeruginosa and methicillin-resistant Staphylococcus aureus (MRSA). After a 1-hour incubation period, 1 of 4 treatments (NPWT with silver-impregnated polyurethane foam [NPWT-AgPU], polyurethane foam [NPWT-PU], or polyvinyl alcohol foam [NPWT-PVA] or a nonadherent dressing containing polyhexamethylene biguanide without NPWT [control]) was randomly applied to each wound...
December 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27859922/cadexomer-iodine-provides-superior-efficacy-against-bacterial-wound-biofilms-in-vitro-and-in-vivo
#3
Daniel J Fitzgerald, Paul J Renick, Emma C Forrest, Shannon P Tetens, David N Earnest, Jillian McMillan, Brett M Kiedaisch, Lei Shi, Eric D Roche
Examination of clinical samples indicates bacterial biofilms are present in the majority of chronic wounds, and substantial evidence suggests biofilms contribute significantly to delayed healing. Bacteria in biofilms are highly tolerant of antimicrobials, and little data exist to guide the choice of anti-biofilm wound therapy. Cadexomer Iodine (CI) was recently reported to have superior efficacy compared to diverse wound dressings against Pseudomonas aeruginosa biofilms in an ex vivo model. In the current study, the strong performance of CI versus P...
November 17, 2016: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/27821789/silver-sulfadiazine-impregnated-hydrocolloid-dressing-is-beneficial-in-split-thickness-skin-graft-donor-wound-healing-in-a-small-randomized-controlled-study
#4
Sadanori Akita, Hiroshi Yoshimoto, Katsuya Tanaka, Masao Oishi, Chikako Senju, Seiji Mawatari, Eisaku Takahara, Sizuka Suzuki, Kenji Hayashida
Donor-site wound healing was tested with a silver sulfadiazine (SSD)-impregnated hydrocolloid dressing and hydrocolloid dressing applied manually by a physician on site. A total of 14 patients, 5 woman and 9 men (23-89 years old, average = 61.6 ± 18.70 years), were enrolled in this prospective controlled study. The degree of bleeding was significantly less with the SSD-impregnated than with the hydrocolloid dressing (P < .01). In the moisture meter analysis, the values of the effective contact coefficient and corneal thickness were significantly smaller with the SSD-impregnated dressing (P < ...
November 6, 2016: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/27820589/management-of-a-patient-with-toxic-epidermal-necrolysis-using-silicone-transfer-foam-dressings-and-a-secondary-absorbent-dressing
#5
Kimberly D McCarthy, Rachel M Donovan
BACKGROUND: Toxic epidermal necrolysis (TEN) is an exfoliative disorder of the skin usually caused by a drug reaction. The primary goal of wound care for patients with TEN is prevention of further mechanical trauma to the skin, along with management of wound infection. CASE: A 77-year-old woman with TEN was successfully managed with a perforated silver soft contact foam and a superabsorbent outer layer. Topical therapy combined nanoparticle silver for management of wound infection and minimized trauma to the skin as only the outer layer needed to be changed...
November 2016: Journal of Wound, Ostomy, and Continence Nursing
https://www.readbyqxmd.com/read/27800687/latent-oxidative-polymerization-of-catecholamines-as-potential-crosslinkers-for-biocompatible-and-multifunctional-biopolymer-scaffolds
#6
Chetna Dhand, Veluchamy Amutha Barathi, Seow Theng Ong, Mayandi Venkatesh, Sriram Harini, Neeraj Dwivedi, Eunice Tze Leng Goh, Muruganantham Nandhakumar, Jayarama Reddy Venugopal, Silvia Marrero Diaz, Mobashar Hussain Urf Turabe Fazil, Xian Jun Loh, Liu Shou Ping, Roger W Beuerman, Navin Kumar Verma, Seeram Ramakrishna, Rajamani Lakshminarayanan
Electrospinning of naturally occurring biopolymers for biological applications requires post-spinning crosslinking for endurance in protease-rich microenvironments and prevention of rapid dissolution. The most commonly used crosslinkers often generate cytotoxic byproducts, necessitate high concentrations or time-consuming procedures. Herein, we report the addition of "safe" catecholamine crosslinkers to collagen or gelatin dope solutions followed by electrospinning yielded junction-containing nanofibrous mats...
November 1, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27781557/characterisation-and-in-vitro-antimicrobial-activity-of-biosynthetic-silver-loaded-bacterial-cellulose-hydrogels
#7
Abhishek Gupta, Wan Li Low, Iza Radecka, Stephen T Britland, Mohd Cairul Iqbal Mohd Amin, Claire Martin
Wounds that remain in the inflammatory phase for a prolonged period of time are likely to be colonised and infected by a range of commensal and pathogenic microorganisms. Treatment associated with these types of wounds mainly focuses on controlling infection and providing an optimum environment capable of facilitating re-epithelialisation, thus promoting wound healing. Hydrogels have attracted vast interest as moist wound-responsive dressing materials. In the current study, biosynthetic bacterial cellulose hydrogels synthesised by Gluconacetobacter xylinus and subsequently loaded with silver were characterised and investigated for their antimicrobial activity against two representative wound infecting pathogens, namely S...
October 26, 2016: Journal of Microencapsulation
https://www.readbyqxmd.com/read/27776905/silver-impregnated-occlusive-dressing-reduces-rates-of-acute-periprosthetic-joint-infection-after-total-joint-arthroplasty
#8
Matthew J Grosso, Ari Berg, Samuel LaRussa, Taylor Murtaugh, David P Trofa, Jeffrey A Geller
BACKGROUND: Commercial silver-impregnated occlusive dressings (such as Aquacel Ag Surgical wound dressing) have been touted as antimicrobial dressings to be used following total joint arthroplasty. Given the increased cost of an Aquacel dressing over a standard dressing for total joint arthroplasty, the objective of this study was to determine whether Aquacel surgical dressing is effective in reducing the rates of acute periprosthetic joint infection (PJI) compared to standard sterile dressing...
September 28, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27737342/adipose-tissue-stromal-vascular-fraction-in-the-treatment-of-full-thickness-burns-in-rats
#9
Alexandre Lamaro Cardoso, Maria Márcia Bachion, Júlia de Miranda Morais, Marcelo Silva Fantinati, Vera Lúcia Lima de Almeida, Ruy Souza Lino
PURPOSE: To analyze the healing effects of stromal vascular fraction (SVF) application compared to wound dressing with 2% silver sulfadiazine in full thickness burn wounds in rats. METHODS: Animals were divided into two groups: 2% silver sulfadiazine group and SVF group. Both groups received occlusive bandages while the first one was treated with 2% silver sulfadiazine and the latter was treated with injections of SVF prepared from adipose tissue extracted from an animal donor...
September 2016: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/27725628/thoracic-duct-chylous-fistula-following-severe-electric-injury-combined-with-sulfuric-acid-burns-a-case-report
#10
Fei Chang, Dasheng Cheng, Mingyuan Qian, Wei Lu, Huatao Li, Hongtai Tang, Zhaofan Xia
BACKGROUND As patients with thoracic duct injuries often suffer from severe local soft tissue defects, integrated surgical treatment is needed to achieve damage repair and wound closure. However, thoracic duct chylous fistula is rare in burn patients, although it typically involves severe soft tissue damage in the neck or chest. CASE REPORT A 32-year-old male patient fell after accidentally contacting an electric current (380 V) and knocked over a barrel of sulfuric acid. The sulfuric acid continuously poured onto his left neck and chest, causing combined electrical and sulfuric acid burn injuries to his anterior and posterior torso, and various parts of his limbs (25% of his total body surface area)...
October 11, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27707637/healing-time-and-incidence-of-hypertrophic-scarring-in-paediatric-scalds
#11
Sarah Lonie, Paul Baker, Rodrigo P Teixeira
INTRODUCTION: Scald burns, which heal in less than 14 days, are seen to be at low risk of hypertrophic scar (HTS) formation. Consequently surgery is usually reserved for scalds likely to take more than 14 days to heal. With the use of silver based dressings over the past few years, anecdotally, we have observed a tendency to improved healing of scalds with conservative management and reduced need for surgical intervention. We aimed to investigate the effect of overall healing time of paediatric scalds on HTS formation over a five-year period (2011-15)...
October 1, 2016: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/27702499/in-situ-functionalized-nanobiocomposites-dressings-of-bamboo-cellulose-nanocrystals-and-silver-nanoparticles-for-accelerated-wound-healing
#12
Rubbel Singla, Sourabh Soni, Pankaj Markand Kulurkar, Avnesh Kumari, Mahesh S, Vikram Patial, Yogendra S Padwad, Sudesh Kumar Yadav
An innovative approach was adopted where in situ synthesized silver nanoparticles (AgNPs) from leaf extract mediated reduction of AgNO3 were simultaneously impregnated into the matrix of cellulose nanocrystals (CNCs) isolated from Dendrocalamus hamiltonii and Bambusa bambos leaves, for formation of nanobiocomposites (NCs) in film and ointment forms. Here, use of plant CNCs was chosen as an alternate to bacterial cellulose for wound dressings. NCs possessing water absorption capacity and strong antibacterial activity showed synergistic effect on in vivo skin wound healing and documented faster and significant wound closure in treated mice...
January 2, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27684356/a-comprehensive-review-of-topical-odor-controlling-treatment-options-for-chronic-wounds
#13
Alma Akhmetova, Timur Saliev, Iain U Allan, Matthew J Illsley, Talgat Nurgozhin, Sergey Mikhalovsky
The process of wound healing is often accompanied by bacterial infection or critical colonization, resulting in protracted inflammation, delayed reepithelization, and production of pungent odors. The malodor produced by these wounds may lower health-related quality of life and produce psychological discomfort and social isolation. Current management focuses on reducing bacterial activity within the wound site and absorbing malodorous gases. For example, charcoal-based materials have been incorporated into dressing for direct adsorption of the responsible gases...
November 2016: Journal of Wound, Ostomy, and Continence Nursing
https://www.readbyqxmd.com/read/27681588/antibacterial-properties-and-reduction-of-mrsa-biofilm-with-a-dressing-combining-polyabsorbent-fibres-and-a-silver-matrix
#14
N Desroche, C Dropet, P Janod, J Guzzo
OBJECTIVE: This study was designed to evaluate the antibacterial activity of a wound dressing which combines polyacrylate fibres and a silver lipido-colloid matrix (UrgoClean Ag, silver polyabsorbent dressing), against biofilm of methicillin-resistant Staphylococcus aureus (MRSA). METHOD: Samples of silver polyabsorbent dressing and the neutral form of this dressing (UrgoClean) were applied to biofilms of MRSA formed on a collagen I-coated surface, cultured for 24 hours...
October 2, 2016: Journal of Wound Care
https://www.readbyqxmd.com/read/27638099/fabrication-of-transparent-quaternized-pva-silver-nanocomposite-hydrogel-and-its-evaluation-as-an-antimicrobial-patch-for-wound-care-systems
#15
Sirsendu Bhowmick, Sujata Mohanty, Veena Koul
Grafting of quaternary nitrogen atoms into the backbone of polymer is an efficient way of developing new generation antimicrobial polymeric wound dressing. In this study, an elastic, non-adhesive and antimicrobial transparent hydrogel based dressing has been designed, which might be helpful for routine observation of wound area without removing the dressing material along with maintaining a sterile environment for a longer period of time. Green synthesized silver nanoparticles have been loaded into the quaternized PVA hydrogel matrix to improve its antimicrobial property...
November 2016: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/27636330/poly-ethylene-glycol-based-hyperbranched-polymer-from-raft-and-its-application-as-a-silver-sulfadiazine-loaded-antibacterial-hydrogel-in-wound-care
#16
Sean McMahon, Robert Kennedy, Patrick Duffy, Jeddah Marie Vasquez, J Gerard Wall, Hongyun Tai, Wenxin Wang
A multifunctional branched copolymer was synthesized by Reversible Addition-Fragmentation Chain Transfer polymerization (RAFT) of poly(ethylene glycol) diacrylate (PEGDA Mn = 575) and poly(ethylene glycol) methyl methacrylate (PEGMEMA Mn = 500) at a feed molar ratio of 50:50. Proton nuclear magnetic resonance spectroscopy ((1)H NMR) confirmed a hyperbranched molecular structure and a high degree of vinyl functionality. An in situ cross-linkable hydrogel system was generated via a "click" thiol-ene-type Michael addition reaction of vinyl functional groups from this PEGDA/PEGMEMA copolymer system in combination with thiol-modified hyaluronic acid...
October 12, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27633280/gelatin-based-membrane-containing-usnic-acid-loaded-liposome-improves-dermal-burn-healing-in-a-porcine-model
#17
Paula Santos Nunes, Alessandra Silva Rabelo, Jamille Cristina Campos de Souza, Bruno Vasconcelos Santana, Thailson Monteiro Menezes da Silva, Mairim Russo Serafini, Paula Dos Passos Menezes, Bruno Dos Santos Lima, Juliana Cordeiro Cardoso, Júlio César Santana Alves, Luiza Abrahão Frank, Sílvia Stanisçuaski Guterres, Adriana Raffin Pohlmann, Malone Santos Pinheiro, Ricardo Luiz Cavalcanti de Albuquerque, Adriano Antunes de Souza Araújo
There are a range of products available which claim to accelerate the healing of burns; these include topical agents, interactive dressings and biomembranes. The aim of this study was to assess the effect of a gelatin-based membrane containing usnic acid/liposomes on the healing of burns in comparison to silver sulfadiazine ointment and duoDerme(®) dressing, as well as examining its quantification by high performance liquid chromatography. The quantification of the usnic acid/liposomes was examined using high performance liquid chromatography (HPLC) by performing separate in vitro studies of the efficiency of the biomembranes in terms of encapsulation, drug release and transdermal absorption...
September 12, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27620739/fabrication-of-electrospun-polycaprolactone-coated-withchitosan-silver-nanoparticles-membranes-for-wound-dressing-applications
#18
Tra Thanh Nhi, Huynh Chan Khon, Nguyen Thi Thu Hoai, Bui Chi Bao, Tran Ngoc Quyen, Vo Van Toi, Nguyen Thi Hiep
In this study, electrospun polycaprolactone membrane coated with chitosan-silver nanoparticles (CsAg), electrospun polycaprolactone/chitosan/Ag nanoparticles, was fabricated by immersing the plasma-treated electrospun polycaprolactone membrane in the CsAg gel. The plasma modification of electrospun polycaprolactone membrane prior to CsAg coating was tested by methylene blue stain and scanning electron microscope. The presence of silver and chitosan on the plasma-treated electrospun polycaprolactone membrane was confirmed by energy-dispersive X-ray spectroscopy and FT-IR spectrum...
October 2016: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/27608737/contact-dermatitis-in-patients-with-chronic-leg-ulcers-a-common-and-neglected-problem-a-review-2000-2015
#19
A Massimiliano D'Erme, M Iannone, V Dini, M Romanelli
OBJECTIVE: Contact allergies can occur frequently in patients with chronic leg ulcers (CLUs), even in those with a short duration of ulcerative disease. The wide spectrum of therapeutic products promotes development of the delayed type of hypersensitivity and continuous changes in the allergens pattern, which make the diagnosis and treatment extremely difficult in many cases. A prompt diagnosis and treatment of allergic contact dermatitis (ACD) in patients suffering from CLUs is very important for a best clinical outcome of these two common diseases...
September 2016: Journal of Wound Care
https://www.readbyqxmd.com/read/27608514/clinical-evaluation-of-a-dressing-with-poly-absorbent-fibres-and-a-silver-matrix-for-managing-chronic-wounds-at-risk-of-infection-a-non-comparative-trial
#20
S Dalac, L Sigal, A Addala, M Chahim, C Faivre-Carrere, Z Lemdjadi, S Bohbot
OBJECTIVE: To assess the efficacy, safety and acceptability of a new silver poly absorbent dressing (UrgoCleanAg) in the local management of exudative chronic wounds at risk of infection, with inflammatory signs suggesting heavy bacterial load. METHOD: This prospective, multicentre, non-comparative clinical trial was conducted in French hospital wards (dermatology and vascular medicine) or specialised private-practice physicians. Patients were considered at high-risk of infection when presenting with at least three of five selected inflammatory clinical signs, suggesting a heavy bacterial load (pain between two dressing changes, erythema, oedema, malodorous wound and presence of a heavy exudate)...
September 2016: Journal of Wound Care
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