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Chronic wound healing

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https://www.readbyqxmd.com/read/29145757/nutrition-and-lower-extremity-ulcers-causality-and-or-treatment
#1
Lauren Haughey, Adrian Barbul
The association between malnutrition, impaired wound healing, and the presence of chronic wounds has been recognized for a long time. It is widely believed that the lack of adequate nutrition increases the risk of developing wounds which have a great likelihood of progressing to chronicity due to lack of appropriate healing responses. This risk is particularly high in the aging population. For the individual patient, as well as patient populations, the diagnosis of malnutrition has been in dispute; further, there is lack of agreement of when and how to intervene nutritionally in those with wounds or healing deficits...
November 1, 2017: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/29144785/role-of-slough-and-biofilm-in-delaying-healing-in-chronic-wounds
#2
Heather Newton, Jacky Edwards, Louise Mitchell, Steven L Percival
The management of biofilms with maintenance desloughing and antimicrobial therapy is fast becoming the accepted treatment strategy for chronic wounds.
November 8, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29143793/marrubium-vulgare-l-leave-extract-phytochemical-composition-antioxidant-and-wound-healing-properties
#3
Bédis Amri, Emanuela Martino, Francesca Vitulo, Federica Corana, Leila Bettaieb-Ben Kaâb, Marta Rui, Daniela Rossi, Michela Mori, Silvia Rossi, Simona Collina
Several factors contribute in wound generation, e.g., accidental traumas or surgery, and in certain cases, this dermal injury may have a devastating outcome. When skin damage occurs, the human body puts in place a sophisticated choreography, which involves numerous repairing processes to restore physiological conditions. Nevertheless, natural healing mechanisms are ineffective towards chronic or non-healing wounds and thus, therapeutic strategies may represent the only beneficial alternative to counteract these tissue insults...
October 28, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29134555/ciprofloxacin-loaded-calcium-alginate-wafers-prepared-by-freeze-drying-technique-for-potential-healing-of-chronic-diabetic-foot-ulcers
#4
Asif Ahmed, Giulia Getti, Joshua Boateng
Calcium alginate (CA) wafer dressings were prepared by lyophilization of hydrogels to deliver ciprofloxacin (CIP) directly to the wound site of infected diabetic foot ulcers (DFUs). The dressings were physically characterized by scanning electron microscopy (SEM), texture analysis (for mechanical and in vitro adhesion properties), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR). Further, functional properties essential for wound healing, i.e., porosity, in vitro swelling index, water absorption (Aw), equilibrium water content (EWC), water vapor transmission rate (WVTR), evaporative water loss (EWL), moisture content, in vitro drug release and kinetics, antimicrobial activity, and cell viability (MTT assay) were investigated...
November 13, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/29132871/the-role-of-tgf%C3%AE-in-wound-healing-pathologies
#5
REVIEW
Dimitra Kiritsi, Alexander Nyström
Wound healing is one of the most complex processes in multicellular organisms, involving numerous intra- and intercellular signalling pathways in various cell types. It involves extensive communication between the cellular constituents of diverse skin compartments and its extracellular matrix. Miscommunication during healing may have two distinct damaging consequences: the development of a chronic wound or the formation of a hypertrophic scar/keloid. Chronic wounds are defined as barrier defects that have not proceeded through orderly and timely reparation to regain structural and functional integrity...
November 10, 2017: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/29131756/combined-use-of-modulated-ultrasound-and-electric-current-stimulation-for-diabetic-foot-ulcers-a-case-series
#6
T O'Connor, Z Moore, D Patton, P Wilson, C Gillen, M Hughes, A Reilly
OBJECTIVE: Diabetic foot ulcers (DFUs) are a significant challenge in wound care practice. Our aim was to evaluate the combined use of of two therapies, ultrasound and electrostimulation, in the treatment of DFUs. METHOD: This study employed a prospective, non-comparative, case series design, undertaken in a podiatry-led diabetic foot clinic, in an acute hospital setting, in an urban location in Ireland. We recruited patinets with hard-to-heal DFUs who were treated twice a week with combined modulated ultrasound and electric current stimulation...
November 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/29131752/surfactants-and-their-role-in-wound-cleansing-and-biofilm-management
#7
S L Percival, D Mayer, M Malone, T Swanson, D Gibson, G Schultz
Surfactants are widely used as detergents, emulsifiers, wetting agents, foaming agents and dispersants in the cosmetics, hygiene, food and oil industries. Their use in a clinical setting is also common, particularly within the field of wound care. Many wound cleansers contain surfactants and subsequently there is available data that shows the growing potential of these wound cleansers in the enhancement of wound closure. The presence of microorganisms in wounds has been recognised as a significant factor that delay healing...
November 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/29131748/a-multicentre-clinical-evaluation-of-a-hydro-responsive-wound-dressing-the-glasgow-experience
#8
H Hodgson, D Davidson, A Duncan, J Guthrie, E Henderson, M MacDiarmid, K McGown, V Pollard, R Potter, A Rodgers, A Wilson, J Horner, M Doran, S Simm, R Taylor, A Rogers, M G Rippon, M Colgrave
OBJECTIVE: Our aim was to assess the effectiveness of hydro-responsive wound dressing (HRWD) in debridement and wound bed preparation of a variety of acute and chronic wounds that presented with devitalised tissue needing removal so that healing may proceed. METHOD: This was a non-comparative evaluation of acute and chronic wounds that required debridement as part of their normal treatment regimen. Clinicians recorded wound changes including a subjective assessment level of devitalised tissue and wound bed preparation, presence of pain, wound status (e...
November 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/29131746/topical-oxygen-therapy-promotes-the-healing-of-chronic-diabetic-foot-ulcers-a-pilot-study
#9
P D Hayes, N Alzuhir, G Curran, I M Loftus
OBJECTIVE: Interventions that can heal or reduce diabetic foot ulcer (DFU) size may reduce the incidence of infection and amputation, and reduce associated social and economic costs. Many chronic wounds exhibit a degree of hypoxia and this leads to a reduction in healing processes including cell division and differentiation, angiogenesis, infection prevention, and collagen production. The aim of this pilot study was to assess the effects of a device supplying continuous oxygen ambulatory therapy on healing in chronic DFUs...
November 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/29129946/application-of-materials-as-medical-devices-with-localized-drug-delivery-capabilities-for-enhanced-wound-repair
#10
Esther J Lee, Beom Kang Huh, Se Na Kim, Jae Yeon Lee, Chun Gwon Park, Antonios G Mikos, Young Bin Choy
The plentiful assortment of natural and synthetic materials can be leveraged to accommodate diverse wound types, as well as different stages of the healing process. An ideal material is envisioned to promote tissue repair with minimal inconvenience for patients. Traditional materials employed in the clinical setting often invoke secondary complications, such as infection, pain, foreign body reaction, and chronic inflammation. This review surveys the repertoire of surgical sutures, wound dressings, surgical glues, orthopedic fixation devices and bone fillers with drug eluting capabilities...
August 2017: Progress in Materials Science
https://www.readbyqxmd.com/read/29129131/increased-wound-complication-with-intramedullary-screw-fixation-of-clavicle-fractures-is-it-thermal-necrosis
#11
Peter Domos, Graham Tytherleigh-Strong, Lee Van Rensburg
PURPOSE: Adult mid-shaft clavicle fractures are common injuries. For displaced fractures, open reduction with plate or intramedullary (IM) fixation is the widely used techniques. All methods have their own potential drawbacks, especially related to local soft tissue complications. There is little information about outcome and management of local wound complications after clavicle fracture fixations. METHODS: Ninety-seven patients underwent open reduction and internal fixation, 17 were treated with IM screw fixation and 80 with plate fixation...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29127427/amniotic-membrane-promotes-focal-adhesion-remodeling-to-stimulate-cell-migration
#12
Ángel Bernabé-García, Sergio Liarte, Jose M Moraleda, Gregorio Castellanos, Francisco J Nicolás
During wound healing, the migration of keratinocytes onto newly restored extracellular matrix aims to reestablish continuity of the epidermis. The application of amniotic membrane (AM) to chronic, deep traumatic, non-healing wounds has proven successful at stimulating re-epithelialization. When applied on epithelial cell cultures, AM activates extracellular signal-regulated kinases 1/2 (ERK1/2) and c-Jun N-terminal kinases 1/2 (JNK1/2), with the overexpression and phosphorylation of c-Jun along the wound edge...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29126421/peroneal-artery-perforator-flap-for-the-treatment-of-chronic-lower-extremity-wounds
#13
Liang Cheng, Xiaqing Yang, Tingxiang Chen, Zhijie Li
BACKGROUND: Reconstruction of chronic lower extremity wounds remains challenging. These wounds are mainly associated with diabetes mellitus, infections, and osteomyelitis. Although several reconstructive techniques are available, the peroneal artery perforator flap has unique advantages. METHODS: In this study, we discuss our experiences with peroneal artery perforator flaps in 55 patients who had suffered from chronic lower limb wounds. The size of the defect, comorbidities, etiology, flap size, and complications were recorded and analyzed based on a retrospective chart review...
November 10, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29126044/medial-forefoot-fillet-flap-for-primary-closure-of-transmetatarsal-amputation-a-series-of-four-cases
#14
Eliezer Sidon, Shai Shemesh, Yoav Rosenthal, Snir Heller, Steven Velkes, Alon Burg
Amputation of the forefoot is a salvage procedure for several forefoot acute or chronic infection. A good, sensate and durable skin cover is important for quicker and better rehabilitation. The use of filleted flaps (or "spare parts technique") has been published in the past as a creative technique. The purpose of this article is to introduce a reproducible, pre-planned, technique that requires less creativity for the use of the "spare parts". The authors describe a case series of 4 patients with deep infection and osteomyelitis of the forefoot, without involvement of the medial skin that underwent two staged procedure for transmetatarsal amputation with medial forefoot fillet flap...
June 29, 2017: Foot
https://www.readbyqxmd.com/read/29122677/inducible-knockdown-of-procollagen-i-protects-mice-from-liver-fibrosis-and-leads-to-dysregulated-matrix-genes-and-attenuated-inflammation
#15
Olena Molokanova, Kai Schönig, Shih-Yen Weng, Xiaoyu Wang, Matthias Bros, Mustafa Diken, Svetlana Ohngemach, Morten Karsdal, Dennis Strand, Alexei Nikolaev, Leonid Eshkind, Detlef Schuppan
Organ fibrosis is characterized by a chronic wound-healing response, with excess deposition of extracellular matrix components. Here, collagen type I represents the most abundant scar component and a primary target for antifibrotic therapies. Liver fibrosis can progress to cirrhosis and primary liver cancer, which are the major causes of liver related morbidity and mortality. However, a (pro-)collagen type I specific therapy remains difficult and its therapeutic abrogation may incur unwanted side effects. We therefore designed tetracycline-regulated procollagen alpha1(I) short hairpin (sh)RNA expressing mice that permit a highly efficient inducible knockdown of the procollagen alpha1(I) gene in activated (myo-)fibroblasts, to study the effect of induced procollagen type I deficiency...
November 6, 2017: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29120855/the-application-of-l-prp-in-aids-patients-with-crural-chronic-ulcers-a-pilot-study
#16
Agata Cieslik-Bielecka, Rafał Skowroński, Magdalena Jędrusik-Pawłowska, Marcin Pierchała
Nonhealing wounds or skin ulcerations are the result of insufficient repair and destruction of a local healing potential. Opportunistic infections which cause a lot of ulcer complications influence the worsening general condition of patients with AIDS, ultimately leading to death. The chronicity of the condition and poor results of conventional therapy have prompted the search for new methods of treatment. We have examined venous or arteriovenous insufficiency-related extensive crural ulcers in AIDS patients...
November 6, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29120684/managing-exudate-and-maceration-in-venous-leg-ulceration-within-the-acute-health-setting
#17
Annemarie Brown
Exudate has beneficial effects in normal wound healing but detrimental consequences for chronic wounds. Practitioners need to identify and treat its cause, and manage the exudate and prevent if from damaging periwound skin. Management involves dressings of the most appropriate absorbency and other products, and avoiding maceration of periwound skin; compression therapy is the gold standard treatment for treating oedema and venous leg ulceration. Nurses in acute settings may not have the skills to implement or maintain compression therapy; this article is intended for nurses who may have to manage these patients temporarily while they are admitted to secondary care and may not have the skills...
November 8, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29119715/glabridin-inhibits-the-activation-of-myofibroblasts-in-human-fibrotic-buccal-mucosal-fibroblasts-through-tgf-%C3%AE-smad-signaling
#18
Ping-Hui Lee, Pei-Ming Chu, Pei-Ling Hsieh, Hui-Wen Yang, Pin Ju Chueh, Yu-Feng Huang, Yi-Wen Liao, Cheng-Chia Yu
Oral submucous fibrosis (OSF) has been recognized as one of the oral potentially malignant disorders. Areca nut chewing is implicated in this pathological fibrosis, and it causes chronic inflammation and persistent activation of myofibroblasts. As yet, existing treatments only provide temporary symptomatic relief and there is a lack of an effective intervention to cure OSF. Therefore, development of approaches to ameliorate myofibroblast activities becomes a crucial objective to prevent the malignant progression of OSF...
November 9, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/29119078/treatment-of-cavitary-bone-defects-in-chronic-osteomyelitis-biogactive-glass-s53p4-vs-calcium-sulphate-antibiotic-beads
#19
Albert Ferrando, Joan Part, Jose Baeza
Aim: To evaluate the efficacy of bioglass (BAG-S53P4) in the treatment of patients with chronic osteomyelitis and compare the results with calcium sulphate antibiotic beads in one medical centre. Methods: Retrospective analysis of 25 cases. INCLUSION CRITERIA: patients diagnosed clinically and radiographically of osteomyelitis and treated surgically (Group 1: cavitary bone defects treated with bioglass and Group 2: cavitary bone defects treated with calcium sulphate antibiotic beads) during the period of 2014 and 2015 in one medical centre...
2017: Journal of bone and joint infection
https://www.readbyqxmd.com/read/29119077/osteomyelitis-of-the-pelvic-bones-a-multidisciplinary-approach-to-treatment
#20
Maria Dudareva, Jamie Ferguson, Nicholas Riley, David Stubbs, Bridget Atkins, Martin McNally
Background and Purpose: A case series review of chronic pelvic osteomyelitis treated with combined medical and surgical treatment by a multidisciplinary team. Methods: All patients treated with surgical excision of pelvic osteomyelitis at our tertiary referral centre between 2002 and 2014 were included. All received combined care from a clinical microbiologist, an orthopaedic surgeon and a plastic surgeon. The rate of recurrent infection, wound healing problems and post-operative mortality was determined in all...
2017: Journal of bone and joint infection
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