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https://www.readbyqxmd.com/read/28820426/burn-eschar-stimulates-fibroblast-and-adipose-mesenchymal-stromal-cell-proliferation-and-migration-but-inhibits-endothelial-cell-sprouting
#1
Hanneke N Monsuur, Lenie J van den Broek, Renushka L Jhingoerie, Adrianus F P M Vloemans, Susan Gibbs
The majority of full-thickness burn wounds heal with hypertrophic scar formation. Burn eschar most probably influences early burn wound healing, since granulation tissue only forms after escharotomy. In order to investigate the effect of burn eschar on delayed granulation tissue formation, burn wound extract (BWE) was isolated from the interface between non-viable eschar and viable tissue. The influence of BWE on the activity of endothelial cells derived from dermis and adipose tissue, dermal fibroblasts and adipose tissue-derived mesenchymal stromal cells (ASC) was determined...
August 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28818334/the-use-of-acupuncture-in-first-aid-of-burns-clinical-report
#2
A Loskotova, J Loskotova
Burns are a very painful skin injury, or injury of soft tissues. The development of post-traumatic stress disorder can develop, even in those with minor injuries (Ia-IIb degree). Development of problems is very rapid and intense since, according to developmental embryology, the skin and central nervous system (CNS) descend from the same germ layer-ectoderm. This clinical report presents the results acquired from the data of 1008 patients suffering from burns treated by the acupuncture (ACU)-from 1983-2015 in the surgery ward of the hospital in Vysoke Myto in the Czech Republic...
August 14, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28811665/optimization-of-storage-temperature-for-retention-of-undifferentiated-cell-character-of-cultured-human-epidermal-cell-sheets
#3
Catherine J Jackson, Sjur Reppe, Jon R Eidet, Lars Eide, Kim A Tønseth, Linda H Bergersen, Darlene A Dartt, May Griffith, Tor P Utheim
Cultured epidermal cell sheets (CES) containing undifferentiated cells are useful for treating skin burns and have potential for regenerative treatment of other types of epithelial injuries. The undifferentiated phenotype is therefore important for success in both applications. This study aimed to optimize a method for one-week storage of CES for their widespread distribution and use in regenerative medicine. The effect of storage temperatures 4 °C, 8 °C, 12 °C, 16 °C, and 24 °C on CES was evaluated...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28809824/creation-and-transplantation-of-an-adipose-derived-stem-cell-asc-sheet-in-a-diabetic-wound-healing-model
#4
Yuka Kato, Takanori Iwata, Kaoru Washio, Toshiyuki Yoshida, Hozue Kuroda, Shunichi Morikawa, Mariko Hamada, Kazuki Ikura, Nobuyuki Kaibuchi, Masayuki Yamato, Teruo Okano, Yasuko Uchigata
Artificial skin has achieved considerable therapeutic results in clinical practice. However, artificial skin treatments for wounds in diabetic patients with impeded blood flow or with large wounds might be prolonged. Cell-based therapies have appeared as a new technique for the treatment of diabetic ulcers, and cell-sheet engineering has improved the efficacy of cell transplantation. A number of reports have suggested that adipose-derived stem cells (ASCs), a type of mesenchymal stromal cell (MSC), exhibit therapeutic potential due to their relative abundance in adipose tissue and their accessibility for collection when compared to MSCs from other tissues...
August 4, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28808342/effect-of-nitric-oxide-on-human-corneal-epithelial-cell-viability-and-corneal-wound-healing
#5
Joo-Hee Park, Ja-Yeon Kim, Dong Ju Kim, Martha Kim, Minwook Chang, Roy S Chuck, Choul Yong Park
Although the wound healing effects of nitric oxide (NO) are known, the mechanism by which NO modulates corneal wound healing remains unclear. In this study, we investigated the effect of exogenous NO donor (NaNO2) on corneal wound healing. We found that NaNO2 (0.1 μM to 100 μM) increased human corneal epithelial cell (HCEC) viability and migration. It also modulated the phosphorylation of mitogen-activated protein kinases (MAPKs) in a time- dependent manner in those HCECs. Further, p38 MAPK phosphorylation increased at 6 h and normalized at 24 h, while the phosphorylation of extracellular signal regulated kinase (ERK) was increased both at 6 h and 24 h...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28803606/effect-of-dermabrasion-and-recell-%C3%A2-on-large-superficial-facial-scars-caused-by-burn-trauma-and-acnes
#6
Pan-Xi Yu, Wen-Qi Diao, Zuo-Liang Qi, Jing-Long Cai
Objective To explore the effects of dermabrasion combined with ReCell(®) on large superficial facial scars caused by burn, trauma and acnes.Methods Nineteen patients with large superficial facial scars were treated by the same surgeon with dermabrasion combined with ReCell(®). According to the etiology, patients were classified into post-burning group (n=5), post-traumatic group (n=7) and post-acne group (n=7). Fifteen patients completed the follow-ups, 5 patients in each group. Healing time, complication rate, the preoperative and 18-month-post-operative assessments using Patient Satisfaction Score (PSS), Vancouver Scar Scale (VSS), and Patient and Observer Scar Assessment Scale (POSAS) of each group were analyzed to compare the effect of the combined therapy on outcomes...
September 20, 2016: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/28800463/combination-of-dexamethasone-and-avastin-%C3%A2-by-supramolecular-hydrogel-attenuates-the-inflammatory-corneal-neovascularization-in-rat-alkali-burn-model
#7
Jinhai Huang, Wenwen Wang, Jing Yu, Xinxin Yu, Qianqian Zheng, Fangli Peng, Zhifen He, Wenguang Zhao, Zhaoliang Zhang, Xingyi Li, Qinmei Wang
Corneal neovascularization (CNV) is one of the leading causes of vision loss and a high-risk factor for transplant rejection. The present study proposed a supramolecular hydrogel comprised of MPEG-PCL micelles and α-cyclodextrin (α-CD) for co-delivery of dexamethasone sodium phosphate (Dexp) and Avastin(®) (Ava), and further evaluated its therapeutic efficacy in rat alkali burn model. A physical mixing of Dexp/Ava, MPEG-PCL micelles, and α-CD aqueous solution leads to a spontaneous formation of the supramolecular hydrogel via a "host-guest" recognition between MPEG and α-CD...
July 25, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28799757/immobilization-of-growth-factors-to-collagen-surfaces-using-visible-light
#8
Gabriella Maria Fernandes Cunha, Hyun Jong Lee, Alisha Kumar, Alexander Kreymerman, Sarah Christine Heilshorn, David Myung
In the treatment of traumatic injuries, burns, and ulcers of the eye, inadequate epithelial tissue healing remains a major challenge. Wound healing is a complex process involving the temporal and spatial interplay between cells and their extracellular milieu. It can be impaired by a variety of causes including infection, poor circulation, loss of critical cells and/or proteins, and a deficiency in normal neural signaling (e.g. neurotrophic ulcers). Ocular anatomy is particularly vulnerable to lasting morbidity from delayed healing, whether it be scarring or perforation of the cornea, destruction of the conjunctival mucous membrane, or cicatricial changes to the eyelids and surrounding skin...
August 11, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28797578/accuracy-of-laser-speckle-contrast-imaging-in-the-assessment-of-pediatric-scald-wounds
#9
Robin Mirdell, Simon Farnebo, Folke Sjöberg, Erik Tesselaar
BACKGROUND: Changes in microvascular perfusion in scalds in children during the first four days, measured with laser speckle contrast imaging (LSCI), are related to the time to healing and need for surgical intervention. The aim of this study was to determine the accuracy (sensitivity and specificity) of LSCI on different days after injury in the prediction of healing outcome and if the accuracy can be improved by combining an early and a late measurement. Also, the accuracy of LSCI was compared with that of clinical assessment...
August 7, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28782570/nanomedicine-and-advanced-technologies-for-burns-preventing-infection-and-facilitating-wound-healing
#10
Mirza Ali Mofazzal Jahromi, Parham Sahandi Zangabad, Seyed Masoud Moosavi Basri, Keyvan Sahandi Zangabad, Ameneh Ghamarypour, Amir R Aref, Mahdi Karimi, Michael R Hamblin
According to the latest report from the World Health Organization, an estimated 265,000 deaths still occur every year as a direct result of burn injuries. A widespread range of these deaths induced by burn wound happens in low- and middle-income countries, where survivors face a lifetime of morbidity. Most of the deaths occur due to infections when a high percentage of the external regions of the body area is affected. Microbial nutrient availability, skin barrier disruption, and vascular supply destruction in burn injuries as well as systemic immunosuppression are important parameters that cause burns to be susceptible to infections...
August 3, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28781137/bioimpedance-spectroscopy-a-technique-to-monitor-interventions-for-swelling-in-minor-burns
#11
Pippa Kenworthy, Tiffany L Grisbrook, Michael Phillips, Paul Gittings, Fiona M Wood, William Gibson, Dale W Edgar
The control of edema in burn injured patients is a priority as it can impede the wound healing process. Bioimpedance spectroscopy (BIS) has been identified as a method of swelling assessment that has merit after burns. The aim of this study was to examine the reliability and validity of BIS in the measurement of localised burn wound edema across (1) different dressing conditions (no dressing, non silver and silver dressings) and (2) three electrode positions. BIS resistance (R) was hypothesised to be inversely proportional to fluid (edema) volume...
August 3, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28771809/role-of-xist-mir-29a-lin28a-pathway-in-denatured-dermis-and-human-skin-fibroblasts-hsfs-after-thermal-injury
#12
Le Guo, Xu Huang, Pengfei Liang, Pihong Zhang, Minghua Zhang, Licheng Ren, Jizhang Zeng, Xv Cui, Xiaoyuan Huang
Denatured dermis is a part of the dermis in deep burn wound and has the ability to restore normal morphology and function. In our previous study, we revealed that miR-29a downregulation in denatured dermis may help burn wound healing in the later phase, and further enhance type I collagen synthesis. LIN28A, a highly-conserved RNA binding protein expressed during embryogenesis, plays roles in development, pluripotency, metabolism, as well as tissue repair in adults. In the present study, we investigated the functional roles of LIN28A in human skin fibroblasts (HSFs) and extracellular matrix (ECM), and the interaction between miR-29a and LIN28A...
August 3, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28763909/-effects-of-functional-training-combined-with-self-made-hand-flexing-training-band-in-treatment-of-scar-contracture-after-burn-injury-of-dorsal-hand
#13
C Zhu, N Yi, M N Shi, Y Y Liang, Y B Zhou, R Dang, Z S Qi, H Y Zhao
Objective: To observe the effects of functional training combined with self-made hand flexing training band in treatment of scar contracture after burn injury of dorsal hand. Methods: Forty-six patients with scar contracture after deep partial-thickness or full-thickness burn injury of dorsal hand hospitalized in our department from March 2013 to February 2015 were divided into routine training group (RT, n=18) and comprehensive training group (CT, n=28) according to their willingness. Two weeks after the wounds were healed, patients in group RT were treated with functional training of hands and self-made pressure gloves, while patients in group CT were treated with self-made hand flexing training band (consisting of nylon strap, flexing band, and velcro) on the basis of those in group RT...
July 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28763908/-effects-of-flow-through-descending-branch-of-lateral-circumflex-femoral-artery-flap-on-repairing-high-voltage-electrical-burn-wounds-of-wrist-of-patients
#14
Y M Shen, X Chen, C Zhang, C Wang, F J Qin, C X Ma, X H Hu
Objective: To investigate the effects of flow-through descending branch of lateral circumflex femoral artery flap on repairing high-voltage electrical burn wounds of wrist of patients. Methods: From January 2014 to June 2016, 5 patients with high-voltage electrical burn of unilateral wrist were hospitalized in our burn ward, with extensive necrosis of skin soft tissue of burn wrist. Five patients were transferred to our burn ward 6 to 12 days post injury after undergoing emergency dermotomy of wrist to reduce tension in other hospitals...
July 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28763906/-effects-of-scar-excision-combined-with-negative-pressure-on-repair-of-hypertrophic-scar-in-burn-children
#15
J H Cai, H P Deng, Z A Shen, T J Sun, D J Li, D W Li, L X He, L Wang, X Jin
Objective: To explore the effects of scar excision combined with negative-pressure on repair of hypertrophic scar in burn children. Methods: From October 2010 to August 2016, 25 children with hypertrophic scar after deep burn were hospitalized, with scar course ranging from 3 months to 11 years and scar area ranging from 35 to 427 [83(51, 98)]cm(2). A total of 35 scars of 25 children were located in trunk (11 scars), upper limb (11 scars), and lower limb (13 scars). All children received scar excision operation and negative-pressure treatment (negative-pressure value ranged from -40 to -20 kPa), among which 6 cases received scar excision operation and negative-pressure treatment for two times for further removal of scars...
July 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28761189/use-of-skin-stretching-techniques-before-bilateral-caudal-superficial-epigastric-axial-flaps-in-a-dog-with-severe-burns
#16
Michelle M Zingel, Sherisse A Sakals
This report describes how 2 days of skin stretching facilitated a tension-free closure of single event bilateral caudal superficial epigastric flaps in a dog with severe hindquarter burns. Full healing at all surgical sites with only minor dehiscence and without further treatment or abnormalities of gait or coat regrowth was achieved.
August 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/28759428/negative-pressure-wound-therapy-for-patients-with-complex-abdominal-wounds
#17
Ahmet Bilgi, Fazilet Zumrut Biber Muftuler, Levent Akman, Emin Ilker Medine, Pinar Tonbaklar Bilgi, Ozge Kozgus Guldu, Sevki Goksun Gokulu, Volkan Tekin, Mustafa Cosan Terek
BACKGROUND: Research on treatment alternatives that improve wound healing is an ever-evolving area in medicine, and a wound healing agent that carries minimal pain, discomfort, and scarring for patients with burn wounds, venous and decubitis ulcers, traumatic wounds, and many others is needed. The phases of wound healing include homeostasis, inflammation, migration, proliferation, and maturation. Adeps suillus (axonge) is known as a therapeutic agent for skin diseases and mainly consists of triglycerides...
July 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28757422/combined-antibacterial-tissue-regeneration-response-in-thermal-burns-promoted-by-functional-chitosan-silver-nanocomposites
#18
E Luna-Hernández, M E Cruz-Soto, F Padilla-Vaca, R A Mauricio-Sánchez, D Ramirez-Wong, R Muñoz, L Granados-López, L R Ovalle-Flores, J L Menchaca-Arredondo, A Hernández-Rangel, E Prokhorov, J L García-Rivas, B L España-Sánchez, G Luna-Bárcenas
We report the combined antibacterial/tissue regeneration responses to thermal burns promoted by functional chitosan/silver nanocomposites (CS/nAg) with ultralow silver content (0.018wt.%, 7-30nm). Our approach allows one to produce CS/nAg nanocomposites without silver nanoparticles (nAg) agglomeration, with bactericide potency higher than 1wt.% of nAg (ca. 10nm) content and, promoting the healing process in controlled thermal burns. CS/nAg films exhibit high antibacterial activity against S. aureus and P. aeruginosa after 1...
July 28, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28757325/scar-management-in-burn-injuries-using-drug-delivery-and-molecular-signaling-current-treatments-and-future-directions
#19
REVIEW
Saeid Amini-Nik, Yusef Yousuf, Marc G Jeschke
In recent decades, there have been tremendous improvements in burn care that have allowed patients to survive severe burn injuries that were once fatal. However, a major limitation of burn care currently is the development of hypertrophic scars in approximately 70% of patients. This significantly decreases the quality of life for patients due to the physical and psychosocial symptoms associated with scarring. Current approaches to manage scarring include surgical techniques and non-surgical methods such as laser therapy, steroid injections, and compression therapy...
July 27, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28742235/silver-delivery-approaches-in-the-management-of-partial-thickness-burns-a-systematic-review-and-indirect-treatment-comparison
#20
Leo Nherera, Paul Trueman, Christopher Roberts, Leena Berg
Silver-containing products play an important role in the management of burn wound infections. We sought to compare the efficacy of commonly used silver delivery approaches including nanocrystalline silver, silver-impregnated hydrofiber dressing, and silver-impregnated foam dressing as the main products in the management of partial thickness burns. A systematic review was performed by searching PubMed, EMBASE, Cochrane and other databases to identify relevant randomised controlled trials and observational studies...
July 25, 2017: Wound Repair and Regeneration
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