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https://www.readbyqxmd.com/read/28717655/the-neck-burn-scar-contracture-a-concept-of-effective-treatment
#1
REVIEW
Sadanori Akita, Kenji Hayashida, Satoshi Takaki, Yoshihisa Kawakami, Takuto Oyama, Hiroyuki Ohjimi
A neck scar contracture can severely and negatively affect the function of mastication, phonic, or breathing and result in neck pain and issues with esthetics. The best way is of course to avoid such contracture by means of non-surgical treatment such as use of a growth factor. The basic fibroblastic growth factor is clinically well proven in decreasing scar formation and improving healing. There are numerous reconstructive methods for neck contracture, especially when the lesions are relatively limited in part of the neck...
2017: Burns and trauma
https://www.readbyqxmd.com/read/28716575/strategic-targeting-of-multiple-bmp-receptors-prevents-trauma-induced-heterotopic-ossification
#2
Shailesh Agarwal, Shawn J Loder, Christopher Breuler, John Li, David Cholok, Cameron Brownley, Jonathan Peterson, Hsiao H Hsieh, James Drake, Kavitha Ranganathan, Yashar S Niknafs, Wenzhong Xiao, Shuli Li, Ravindra Kumar, Ronald Tompkins, Michael T Longaker, Thomas A Davis, Paul B Yu, Yuji Mishina, Benjamin Levi
Trauma-induced heterotopic ossification (tHO) is a condition of pathologic wound healing, defined by the progressive formation of ectopic bone in soft tissue following severe burns or trauma. Because previous studies have shown that genetic variants of HO, such as fibrodysplasia ossificans progressiva (FOP), are caused by hyperactivating mutations of the type I bone morphogenetic protein receptor (T1-BMPR) ACVR1/ALK2, studies evaluating therapies for HO have been directed primarily toward drugs for this specific receptor...
July 15, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28715585/retinoic-acid-engineered-amniotic-membrane-used-as-graft-or-homogenate-positive-effects-on-corneal-alkali-burns
#3
Romain Joubert, Estelle Daniel, Nicolas Bonnin, Aurélie Comptour, Christelle Gross, Corinne Belville, Frédéric Chiambaretta, Loïc Blanchon, Vincent Sapin
Purpose: Alkali burns are the most common, severe chemical ocular injuries, their functional prognosis depending on corneal wound healing efficiency. The purpose of our study was to compare the benefits of amniotic membrane (AM) grafts and homogenates for wound healing in the presence or absence of previous all-trans retinoic acid (atRA) treatment. Methods: Fifty male CD1 mice with reproducible corneal chemical burn were divided into five groups, as follows: group 1 was treated with saline solution; groups 2 and 3 received untreated AM grafts or grafts treated with atRA, respectively; and groups 4 and 5 received untreated AM homogenates or homogenates treated with atRA, respectively...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28713711/the-role-of-human-adult-peripheral-and-umbilical-cord-blood-platelet-rich-plasma-on-proliferation-and-migration-of-human-skin-fibroblasts
#4
Seyedeh-Sara Hashemi, Mahdokht Mahmoodi, Ali Reza Rafati, Farzad Manafi, Davood Mehrabani
BACKGROUND: Wound healing is a complex and dynamic process following damage in tissue structures. Due to extensive skin damage caused by burn injuries, this study determined the role of human adult peripheral and umbilical cord blood platelet-rich plasma on proliferation and migration in human skin fibroblasts. METHODS: Platelet-rich plasma (5, 10, 15, 20 and 50% PRP) from human umbilical cord blood and adult peripheral blood were provided and added to fibroblasts cultured from a human skin sample...
May 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28707999/development-of-a-membrane-of-poly-l-co-d-l-lactic-acid-co-trimethylene-carbonate-with-aloe-vera-an-alternative-biomaterial-designed-to-improve-skin-healing
#5
Daniel Komatsu, Daniel V Mistura, Adriana Motta, Juliana A Domingues, Moema A Hausen, Eliana Duek
The search for new therapies and drugs that act as topical agents to relieve pain and control the infectious processes in burns always attracted interest in clinical trials. As an alternative to synthetic drugs, the use of natural extracts is useful in the development of new strategies and formulations for improving the life quality. The aim of this study was to develop a wound dressing using Poly(L-co-D,L lactic acid-co-TMC) (PLDLA-co-TMC) containing aloe vera (AV). This natural plant extract is known for its modulatory effects under healing process...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28707264/evaluation-of-propylene-glycol-nanoliposomes-containing-curcumin-on-burn-wound-model-in-rat-biocompatibility-wound-healing-and-anti-bacterial-effects
#6
Nooshin Kianvash, Abbas Bahador, Maryam Pourhajibagher, Homanaz Ghafari, Vahid Nikoui, Sayed Mehdi Rezayat, Ahmad Reza Dehpour, Alireza Partoazar
Curcumin is an effective wound healing agent in burn therapy, but due to its low bioavailability, it is required to be formulated for topical therapy. Liposomal nanocarriers are developed as stable and efficient dermal delivery systems. In this study, we prepared curcumin-propylene glycol liposomes (Cur-PgL) to treat animals subjected to second degree burns. The characterization tests confirmed the production of monodisperse nanoliposomes of average size of about 145 nm with high entrapment efficiency percentage and a sustained release behavior...
July 13, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28704719/biochemical-and-functional-analysis-of-corticotropin-releasing-factor-purified-from-an-aqueous-extract-of-human-placenta-used-as-wound-healer
#7
Namrata Singh, Debasish Bhattacharyya
Human placental extract constitutes of innumerable therapeutically important components mostly used in wound healing arising from the skin and burn injuries. However, there is still some bioactive present in the placental extracts yet to be characterized to better under the complex process of wound healing mediated by the placental extract. In this study, the presence of corticotropin releasing factor (CRF) in an aqueous extract of human placenta was detected and quantified by dot blot and CRF-ELISA immunoassay kit respectively...
June 28, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28704172/hydroconductive-and-silver-impregnated-foam-dressings-a-comparison
#8
Alkhalil A, Day A, Monger K W, Zhang J, Carney B C, Hoffman H N, Moffatt L T, Shupp J W
OBJECTIVE: As the number of commercially available wound dressings is increasing rapidly, it is important for clinicians to understand the strengths and limitations of each and to recognise relationships between wound type and dressing properties to obtain optimal healing results. Our aim is to test the antimicrobial activity of two dressings. METHOD: A hydroconductive (HC) dressing and a silver-impregnated foam (SIF) dressing were compared for their potential to reduce the levels meticillin-resistant Staphylococcus aureus (MRSA)...
July 1, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28700086/antiseptics-for-burns
#9
REVIEW
Gill Norman, Janice Christie, Zhenmi Liu, Maggie J Westby, Jayne M Jefferies, Thomas Hudson, Jacky Edwards, Devi Prasad Mohapatra, Ibrahim A Hassan, Jo C Dumville
BACKGROUND: Burn wounds cause high levels of morbidity and mortality worldwide. People with burns are particularly vulnerable to infections; over 75% of all burn deaths (after initial resuscitation) result from infection. Antiseptics are topical agents that act to prevent growth of micro-organisms. A wide range are used with the intention of preventing infection and promoting healing of burn wounds. OBJECTIVES: To assess the effects and safety of antiseptics for the treatment of burns in any care setting...
July 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28697050/transfusion-requirement-in-burn-care-evaluation-tribe-a-multicenter-randomized-prospective-trial-of-blood-transfusion-in-major-burn-injury
#10
Tina L Palmieri, James H Holmes, Brett Arnoldo, Michael Peck, Bruce Potenza, Amalia Cochran, Booker T King, William Dominic, Robert Cartotto, Dhaval Bhavsar, Nathan Kemalyan, Edward Tredget, Francois Stapelberg, David Mozingo, Bruce Friedman, David G Greenhalgh, Sandra L Taylor, Brad H Pollock
OBJECTIVE: Our objective was to compare outcomes of a restrictive to a liberal red cell transfusion strategy in 20% or more total body surface area (TBSA) burn patients. We hypothesized that the restrictive group would have less blood stream infection (BSI), organ dysfunction, and mortality. BACKGROUND: Patients with major burns have major (>1 blood volume) transfusion requirements. Studies suggest that a restrictive blood transfusion strategy is equivalent to a liberal strategy...
July 10, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28696234/role-of-daptomycin-on-wound-healing-in-a-mrsa-burn-infected-animal-model
#11
Oriana Simonetti, Guendalina Lucarini, Fiorenza Orlando, Elisa Pierpaoli, Roberto Ghiselli, Mauro Provinciali, Pamela Castelli, Mario Guerrieri, Roberto Di Primio, Annamaria Offidani, Andrea Giacometti, Oscar Cirioni
Prolonged hospitalization and antibiotic therapy are risk factors for the development of methicillin-resistant S. aureus (MRSA) infections in thermal burn patients. We used a rat model to study the in vivo efficacy of daptomycin in the treatment of burn wound infections by S. aureus and we evaluated the wound healing process through morphological and immunohistochemical analysis. A copper bar heated in boiling water was applied on paraspinal site of each rat resulting in two full thickness burns. A small gauze was placed over each burn and inoculated with 5x10(7) cfu of S...
July 10, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28689910/management-of-postburn-perioral-contracture-using-a-customized-static-commissural-splint-and-intralesional-injections-of-triamcinolone
#12
Saurav Kumar, Sanjeev Harbansh Gupta, M Viswambaran, Arpreeta Sachdeva, B P Panda
A perioral facial burn is usually accompanied by a reduction in size of the oral orifice because of the contraction of the healing wound. Perioral contracture leads to microstomia, restricting nutrition, speech, and jaw movements and impairing the esthetic appearance of the face. It is imperative to introduce splints as early as possible to prevent the postburn sequelae. A delay in splinting allows postburn contractures. Overcoming these contractures to regain the size of the stoma requires restructuring of the hypertrophic scar using mechanical force and the biomodification of the tissues...
July 7, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28689201/the-effects-of-human-beta-defensins-on-skin-cells-in-vitro
#13
Jeroen W J van Kilsdonk, Patrick A M Jansen, Ellen H van den Bogaard, Charlotte Bos, Mieke Bergers, Patrick L J M Zeeuwen, Joost Schalkwijk
BACKGROUND: Defensins are antimicrobial peptides that exert immunomodulatory and chemotactic functions. Based on these properties and their high expression levels in the skin, they are likely to affect skin inflammation, infection, and wound healing. This may lead to therapeutic applications in (burn) wound healing. OBJECTIVE: We aimed to investigate the effects of human β-defensins (hBDs) on keratinocytes and fibroblasts, 2 major skin cell types involved in skin regeneration...
July 8, 2017: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/28688666/a-simple-and-improved-method-to-determine-cell-viability-in-burn-injured-tissue
#14
Angela L F Gibson, Shalini Shatadal
BACKGROUND: Cell viability is paramount to wound healing in burn injury. Current methods to determine depth of burn injury in the research setting are based on the subjective visualization of cell viability using hematoxylin and eosin staining. The purpose of this study was to develop a simplified method of lactate dehydrogenase (LDH) staining to identify viable cells in frozen sections of human burn tissue that can be used in the research setting. MATERIALS AND METHODS: After surgical excision, human burn tissue was processed for histologic evaluation...
July 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28684064/protective-role-of-vitamin-e-preconditioning-of-human-dermal-fibroblasts-against-thermal-stress-in-vitro
#15
Hira Butt, Azra Mehmood, Muhammad Ali, Saba Tasneem, Muhammad Sohail Anjum, Moazzam N Tarar, Shaheen N Khan, Sheikh Riazuddin
AIMS: Oxidative microenvironment of burnt skin restricts the outcome of cell based therapies of thermal skin injuries. The aim of this study was to precondition human dermal fibroblasts with an antioxidant such as vitamin E to improve their survival and therapeutic abilities in heat induced oxidative in vitro environment. MAIN METHODS: Fibroblasts were treated with 100μM vitamin E for 24h at 37°C followed by heat shock for 10min at 51°C in fresh serum free medium...
July 3, 2017: Life Sciences
https://www.readbyqxmd.com/read/28682723/treating-giant-congenital-nevus-with-integra-dermal-regeneration-template-in-a-9-year-old-girl
#16
Zoran Barcot, Dakovic Bacalja Inga, Bozidar Zupancic, Vedran Bacalja
Integra dermal regeneration template has been well established in treating deep extensive burns, but there are very few cases reported of treating large full-thickness skin defects such as giant nevi. Apart from psychological and cosmetic burdens, the giant congenital nevus carries increased risk of malignant alteration. We present the case of a 9-year-old girl with a giant congenital nevus on her left lower leg. A total excision was done and she was successfully treated with Integra (LifeSciences Corp, Plainsboro, NJ)...
June 2017: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/28682677/randomized-controlled-trial-of-polyhexanide-betaine-gel-versus-silver-sulfadiazine-for-partial-thickness-burn-treatment
#17
Saruta Wattanaploy, Kusuma Chinaroonchai, Nantaporn Namviriyachote, Pornprom Muangman
Silver sulfadiazine is commonly used in the treatment of partial-thickness burns, but it sometimes forms pseudo-eschar and delays wound healing. Polyhexanide/betaine gel, a new wound cleansing and moisturizing product, has some advantages in removing biofilm and promotes wound healing. This study was designed to compare clinical efficacy of polyhexanide/betaine gel with silver sulfadiazine in partial-thickness burn treatment. From September 2013 to May 2015, 46 adult patients with partial-thickness burn ≥10% total body surface area that were admitted to the Burn Unit of Siriraj Hospital within 48 hours after injury were randomly allocated into 2 groups...
March 2017: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/28680887/identification-of-factors-predicting-scar-outcome-after-burn-injury-in-children-a-prospective-case-control-study
#18
Hilary J Wallace, Mark W Fear, Margaret M Crowe, Lisa J Martin, Fiona M Wood
BACKGROUND: There is a lack of rigorous research investigating the factors that influence scar outcome in children. Improved clinical decision-making to reduce the health burden due to post-burn scarring in children will be guided by evidence on risk factors and risk stratification. This study aimed to examine the association between selected patient, injury and clinical factors and the development of raised scar after burn injury. Novel patient factors were investigated including selected immunological co-morbidities (asthma, eczema and diabetes type 1 and type 2) and skin pigmentation (Fitzpatrick skin type)...
2017: Burns and trauma
https://www.readbyqxmd.com/read/28680809/antimicrobial-ceragenins-inhibit-biofilms-and-affect-mammalian-cell-viability-and-migration-in%C3%A2-vitro
#19
Melissa A Olekson, Tao You, Paul B Savage, Kai P Leung
The healing of burn wounds is often hampered by bacterial infection and the formation of biofilms. Antimicrobial peptides (AMPs) are effective in promoting wound healing, but are susceptible to degradation. We have tested the ability of ceragenins (CSAs), mimics of antimicrobial peptides, to mitigate preformed biofilms and stimulate wound healing in vitro. Potent CSAs (MICs < 10 μg·mL(-1)) were tested against biofilms formed from a mixture of Pseudomonas aeruginosa and Staphylococcus aureus grown for 22 h and subjected to 20 h treatment...
July 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28680144/transplanted-adipose-derived-stem-cells-can-be-short-lived-yet-accelerate-healing-of-acid-burn-skin-wounds-a-multimodal-imaging-study
#20
Ghulam Muhammad, Jiadi Xu, Jeff W M Bulte, Anna Jablonska, Piotr Walczak, Miroslaw Janowski
The incidence of accidental and intentional acid skin burns is rising. Current treatment strategies are mostly inadequate, leaving victims disfigured and without treatment options. Here, we have shown that transplantation of adipose-derived stem cells (ASCs) accelerates the process of acid burn wound-healing. Pre-conditioning of ASCs using ascorbic acid (AA) or hypoxic conditions provided additional benefit. While the wounds were ultimately healed in all mice, histological analysis revealed that, in non-transplanted animals, the number of hair follicles was reduced...
July 5, 2017: Scientific Reports
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