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Advanced Wound Dressing

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https://www.readbyqxmd.com/read/30522012/elaboration-of-a-thermosensitive-smart-biomaterial-from-synthesis-to-the-ex-vivo-bioadhesion-evaluation
#1
G Conzatti, S Cavalie, F Gayet, J Torrisani, N Carrère, A Tourrette
Alginate and chitosan are polysaccharides that are widely used in the biomedical field, especially as wound dressings. Controlled bioadhesion is an advanced functionality that offers the potential to reduce injuries due to the stripping-off of the biomaterial. Herein, we report the efficient grafting of poly-N(isopropylacryamide) (PNIPAM), a thermosensitive polymer that exhibits a lower critical solution temperature (LCST) at 32 °C on the alginate/chitosan polyelectrolyte complex (PEC) surface. In vitro studies did not exhibit a cytotoxic effect, and cells adhered preferentially on the LCST on PNIPAM grafted surfaces, as reported in the literature...
November 30, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/30508406/intravenous-lidocaine-administered-as-twice-daily-bolus-and-continuous-infusion-for-intractable-cancer-pain-and-wound-care-pain
#2
Polly E Kintzel, Jared D Knol, Gretchen Roe
INTRODUCTION: Intravenous lidocaine is an option for intractable pain caused by advancing cancer and wound care. We report a case of intractable cancer pain and wound care pain managed with concurrent use of lidocaine administered as a twice daily intravenous bolus in addition to continuous intravenous infusion. CASE DESCRIPTION: A 31-year-old male with rapidly progressing locally advanced squamous cell cancer affecting the gluteal area developed extensive painful and purulent ulcerating wounds affecting the coccyx, superior gluteal cleft, and buttocks...
December 1, 2018: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/30505094/adipofascial-perforator-flaps-its-role-in-reconstruction-of-soft-tissue-defects-of-lower-leg-and-ankle
#3
Deepak Nanda, Shamendra Anand Sahu, Durga Karki, Sanjay Kumar, Amrita Mandal
Background: Despite advances in surgical skills, adipofascial flaps are still less preferred option for coverage of leg defect. We evaluate the use of perforator-based adipofascial flap in small-to-medium-sized soft-tissue defects in the lower limb. Patients and Methods: After localisation of perforators along the major axial vessels in the lower limb using handheld Doppler, adipofascial flap based on the nearest best perforator of anterior tibial artery, posterior tibial artery and peroneal artery was raised to cover soft-tissue defect in 21 patients...
May 2018: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/30485170/use-of-negative-pressure-wound-therapy-with-instillation-and-a-novel-reticulated-open-cell-foam-dressing-with-through-holes-at-a-level-2-trauma-center
#4
Lindsey Blalock
INTRODUCTION: Current wound treatment options for complex wounds include advanced wound therapies. One such treatment, negative pressure wound therapy (NPWT), has evolved to include automated instillation of topical wound solutions with a user-specified dwell time (NPWTi-d). A novel reticulated open-cell foam dressing with through holes (ROCF-CC) was developed to assist wound cleansing by removing thick wound exudate and infectious material. OBJECTIVE: The author's experience using NPWTi-d with ROCF-CC on complex wounds is presented...
November 22, 2018: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/30479928/development-of-biocompatible-ha-hydrogels-embedded-with-a-new-synthetic-peptide-promoting-cellular-migration-for-advanced-wound-care-management
#5
Sun Young Wang, Hyosuk Kim, Gijung Kwak, Hong Yeol Yoon, Sung Duk Jo, Ji Eun Lee, Daeho Cho, Ick Chan Kwon, Sun Hwa Kim
In the past few years, there have been many efforts underway to develop effective wound healing treatments for traumatic injuries. In particular, wound-healing peptides (WHPs) and peptide-grafted dressings hold great promise for novel therapeutic strategies for wound management. This study reports a topical formulation of a new synthetic WHP (REGRT, REG) embedded in a hyaluronic acid (HA)-based hydrogel dressing for the enhancement of acute excisional wound repair. The copper-free click chemistry is utilized to form biocompatible HA hydrogels by cross-linking dibenzocyclooctyl-functionalized HA with 4-arm poly(ethylene glycol) (PEG) azide...
November 2018: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/30447365/a-review-on-recent-advances-in-chitosan-based-composite-for-hemostatic-dressings
#6
REVIEW
Munezza A Khan, Mohammad Mujahid
High mortality rate in potentially survivable casualties due to severe hemorrhage is a major challenge in today's battlefield because technological advancements have revolutionized the combat tactics and complicated the type and severity associated with wound grades. Quality of pre-hospital care prior to patient evacuation is crucial in determining the survival rate in injured patients. To deal with this challenge, considerable improvements in the hemostatic dressings have been introduced and pre-hospital care has been upgraded in many tactical combat casually care guidelines...
November 14, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/30410258/management-of-malignant-wound-myiasis-with-ivermectin-albendazole-and-clindamycin-triple-therapy-in-advanced-head-and-neck-cancer-patients-a-prospective-observational-study
#7
Bhavna C Patel, Shrenik Ostwal, Priti R Sanghavi, Geeta Joshi, Richa Singh
Introduction: Myiasis, tissue infestation by housefly larvae, is commonly found in malignant fungating wounds of cancer patients from climatic condition and lower socio-economic strata. Aim of study: It was aimed to study the effectiveness of systemic Ivermectin, Albendazole& Clindamycin (Triple Therapy) in reducing signs & symptoms associated with maggots in malignant head and neck wounds. Method: 25 adult, advanced head and neck cancer patients presenting with maggots either from wound, oral cavity or nostril, with ECOG score 3 or less were enrolled in this study...
October 2018: Indian Journal of Palliative Care
https://www.readbyqxmd.com/read/30370723/-utilization-of-three-dimensional-printing-technology-for-repairing-skin-tissue
#8
REVIEW
Yuet-Wai Lam, Ningjian Ao
Three-dimensional (3D) printing is a low-cost, high-efficiency production method, which can reduce the current cost and increase the profitability of skin repair material industry nowadays, and develop products with better performance. The 3D printing technology commonly used in the preparation of skin repair materials includes fused deposition molding technology and 3D bioprinting technology. Fused deposition molding technology has the advantages of simple and light equipment, but insufficient material selection...
May 1, 2018: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/30369132/-establishment-and-development-of-department-of-burns-and-plastic-surgery-of-the-affiliated-hospital-of-nankai-university-tianjin-no-4-hospital
#9
S H Feng
Tianjin No.4 Hospital is a general hospital featured in burns, and the Department of Burns and Plastic Surgery has six secondary clinical departments with 110 hospital beds. After hard working by several generations, the department has successively developed into a key discipline in Tianjin and Tianjin Burn Emergency Center. Tianjin Burn Research Institute was established in 1992, and then the department became master's granting unit of Tianjin Medical University. In scientific research aspect, many researches have been completed and obtained important results, such as the mechanism and effect of integrated traditional Chinese and Western medicine in prevention and treatment of intestinal failure, early diagnosis and local treatment with fiberoptic bronchoscope, energy metabolism regularity of burn patients, and the development of irradiated biological dressings...
October 20, 2018: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/30357707/chitosan-based-dressing-materials-for-problematic-wound-management
#10
Ji-Ung Park, Eun-Ho Song, Seol-Ha Jeong, Juha Song, Hyoun-Ee Kim, Sukwha Kim
Wound healing is a complex mechanism involving a variety of factors and is a representative process of tissue growth and regeneration in our body. Surface-based interactions between the dressing material and the wound may significantly influence the healing phase. Advances in understanding the mechanism of wound healing have led to the development of numerous dressing materials that can accelerate the healing process. However, these materials have a passive role in wound healing. It is therefore necessary to develop novel wound dressing materials, especially effective for clinically problematic wounds...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/30357691/fabrication-of-hydrogel-materials-for-biomedical-applications
#11
Jen Ming Yang, Olajire Samson Olanrele, Xing Zhang, Chih Chin Hsu
Hydrogels are three-dimensional hydrophilic polymeric networks that can be made from a wide range of natural and synthetic polymers. This review discusses recent advanced engineering methods to fabricate hydrogels for biomedical applications with emphasis in cardiac constructs and wound healing. Layer-by-Layer (LbL) assembly offers a tissue-engineered construct with robust and highly ordered structures for cell proliferation and differentiation. Three-dimensional printings, including inkjet printing, fused deposition modeling, and stereolithographic apparatus, have been widely employed to fabricate complex structures (e...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/30332358/the-epithelialisation-phase-in-wound-healing-options-to-enhance-wound-closure
#12
Majana Tomic-Canic, Lulu L Wong, Hans Smola
This review highlights epithelialisation and therapeutic options to optimise and speed the epithelialisation process. To influence this process therapeutically, it is important for clinicians to understand the underlying principles of epithelialisation. The role of growth factors and the hostile local wound environment can explain why epithelial wound closure is so difficult to speed up in some chronic wounds. Clinicians should be aware of the different surgical techniques of skin grafting and more advanced technologies, such as skin substitutes, as options for wounds which fail to respond to standard protocols...
October 2, 2018: Journal of Wound Care
https://www.readbyqxmd.com/read/30285811/cost-effectiveness-analysis-of-single-use-negative-pressure-wound-therapy-dressings-snpwt-compared-to-standard-of-care-in-reducing-surgical-site-complications-ssc-in-patients-undergoing-coronary-artery-bypass-grafting-surgery
#13
Leo M Nherera, Paul Trueman, Michael Schmoeckel, Francis A Fatoye
BACKGROUND: There is a growing interest in using negative pressure wound therapy in closed surgical incision to prevent wound complications which continue to persist following surgery despite advances in infection measures. OBJECTIVES: To estimate the cost-effectiveness of single use negative pressure wound therapy (sNPWT) compared to standard of care in patients following coronary artery bypass grafting surgery (CABG) procedure to reduce surgical site complications (SSC) defined as dehiscence and sternotomy infections...
October 3, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/30260708/stabilized-collagen-matrix-dressing-improves-wound-macrophage-function-and-epithelialization
#14
Mohamed S El Masry, Scott Chaffee, Piya Das Ghatak, Shomita S Mathew-Steiner, Amitava Das, Natalia Higuita-Castro, Sashwati Roy, Raafat A Anani, Chandan K Sen
Decellularized matrices of biologic tissue have performed well as wound care dressings. Extracellular matrix-based dressings are subject to rapid degradation by excessive protease activity at the wound environment. Stabilized, acellular, equine pericardial collagen matrix (sPCM) wound care dressing is flexible cross-linked proteolytic enzyme degradation resistant. sPCM was structurally characterized utilizing scanning electron and atomic force microscopy. In murine excisional wounds, sPCM was effective in mounting an acute inflammatory response...
September 27, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/30256755/a-rare-catch-in-a-nonhealing-wound
#15
Tanushree Agrawal, Stephanie Fuentes Rojas, Rosalyn Adigun, Manjulatha Badam
INTRODUCTION: Mycobacterium smegmatis is a common microbe found in soil, dust, and water that rarely causes infections in humans. CASE REPORT: A 45-year-old man with a past medical history of hypertension presented with a nonhealing surgical wound in his anterior chest wall, measuring 0.5 cm x 0.5 cm x 0.3 cm with minimal serosanguinous drainage, that had been present for more than 1 year. Wound swab showed M smegmatis. He required a 3-month course of antibiotic treatment and advanced wound care that included packing the sinus wounds with silver-alginate dressings for the first 2 weeks followed by iodoform packing; once the infection and drainage had improved after 2 months of treatment, packing was changed to a collagen dressing...
September 2018: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/30231567/treatment-strategies-for-infected-wounds
#16
REVIEW
Irina Negut, Valentina Grumezescu, Alexandru Mihai Grumezescu
The treatment of skin wounds is a key research domain owing to the important functional and aesthetic role of this tissue. When the skin is impaired, bacteria can soon infiltrate into underlying tissues which can lead to life-threatening infections. Consequently, effective treatments are necessary to deal with such pathological conditions. Recently, wound dressings loaded with antimicrobial agents have emerged as viable options to reduce wound bacterial colonization and infection, in order to improve the healing process...
September 18, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/30188395/advanced-techniques-in-the-use-of-negative-pressure-wound-therapy-for-closure-of-complex-neonatal-abdominal-wounds
#17
Andrew Bayci, Begum Akay
BACKGROUND: Negative pressure wound therapy (NPWT) has been described for closure of complex neonatal abdominal wounds, but advanced techniques for stoma or fistula control, skin protection, and the use of high pressure therapy not as well established. CASES: We identified neonatal patients at our institution who received NPWT for a complex abdominal wound, defined as a wound associated with a stoma or fistula with partial or complete dehiscence of the abdominal fascia or skin...
September 2018: Journal of Wound, Ostomy, and Continence Nursing
https://www.readbyqxmd.com/read/30180089/advances-in-wound-management
#18
Andrew J Rosenbaum, Samik Banerjee, Kristen M Rezak, Richard L Uhl
Wound management is a notable healthcare and financial burden, accounting for >$10 billion in annual healthcare spending in the United States. A multidisciplinary approach involving orthopaedic and plastic surgeons, wound care nursing, and medical and support staff is often necessary to improve outcomes. Orthopaedic surgeons must be familiar with the fundamental principles and evidenced-based concepts for the management of acute and chronic wounds. Knowledge of surgical dressings, negative pressure wound therapy, tissue expanders, dermal apposition, biologics, and extracellular matrices can aide practitioners in optimizing wound care...
August 31, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/30143150/chitosan-based-hydrogels-and-their-applications-for-drug-delivery-in-wound-dressings-a-review
#19
REVIEW
Hamid Hamedi, Sara Moradi, Samuel M Hudson, Alan E Tonelli
Advanced development of chitosan hydrogels has led to new drug delivery systems that can release their active ingredients in response to environmental stimuli. This review considers more recent investigation of chitosan hydrogel preparations and the application of these preparations for drug delivery in wound dressings. Applications and structural characteristics of different types of active ingredients, such as growth factors, nanoparticles, nanostructures, and drug loaded chitosan hydrogels are summarized...
November 1, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/30092983/cellulose-acetate-electrospun-nanofibers-for-drug-delivery-systems-applications-and-recent-advances
#20
REVIEW
Kamyar Khoshnevisan, Hassan Maleki, Hadi Samadian, Shadab Shahsavari, Mohammad Hossein Sarrafzadeh, Bagher Larijani, Farid Abedin Dorkoosh, Vahid Haghpanah, Mohammad Reza Khorramizadeh
Electrospinning process of nanofibers specially derivatives of cellulose presents high behest for developing several kinds of novel drug delivery systems (DDSs) due to their specific characteristics, the simplicity, beneficial and impressive top-down fabricating procedure. Moreover, the novel techniques of therapeutic agents for entrapment into core-shell nanofibers including single, coaxial and triaxial applied for DDSs. Recently, biodegradable polymers including derivatives of cellulose, hybrid materials, artificial and natural polymers have been remarkably considered...
October 15, 2018: Carbohydrate Polymers
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