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https://www.readbyqxmd.com/read/28346302/the-benefit-of-microskin-in-combination-with-autologous-keratinocyte-suspension-to-treat-full-skin-loss-in-vivo
#1
Yuru Shang, Dawei Li, Chuanan Shen, Kai Yin, Li Ma, Longzhu Li, Dongxu Zhao, Wenfeng Cheng
Patients with extensive deep burns often lack enough autologous skin to cover the wounds. This study explores a new method using microskin in combination with autologous keratinocytes in the treatment of extensive deep burn. Wounds in the combination group were treated with automicroskin at an area expansion ratio of 20:1 (wound area to automicroskin area) and autologous keratinocyte suspension, which were compared with the following treatments: no autotransplant, only allografts (control group); autologous keratinocyte suspension only (keratinocyte only group); automicroskin at an area expansion ratio of 20:1 (20:1 group); and automicroskin at an area expansion ratio of 10:1 (10:1 group, positive control)...
March 24, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28342738/american-brachytherapy-society-consensus-statement-for-soft-tissue-sarcoma-brachytherapy
#2
A O Naghavi, D C Fernandez, N Mesko, A Juloori, A Martinez, J G Scott, C Shah, L B Harrison
PURPOSE: Radiation therapy represents an essential treatment option in the management of soft tissue sarcomas (STS). Brachytherapy represents an important subset of radiation therapy techniques used for STS, with evolving indications and applications. Therefore, the purpose of this guideline was to update clinicians regarding the data surrounding brachytherapy (BT) and provide recommendations for the utilization of BT in patients with STS. METHODS AND MATERIALS: Members of the American Brachytherapy Society with expertise in STS, and STS BT in particular, created an updated guideline for the use of BT in STS based on a literature review and clinical experience...
March 22, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28341261/occlusive-drainage-system-for-split-thickness-skin-graft-a-prospective-randomized-controlled-trial
#3
Sara Fu-Yin Hsiao, Hsu Ma, Yu-Hei Wang, Tien-Hsiang Wang
BACKGROUND: Split-thickness skin grafts are widely used in reconstruction of large area defects. Conventional postoperative recipient site care includes saline-moistened gauze with a protective layer of petroleum gauze and splints for immobilization. This method causes pain while changing the dressing. We designed a better occlusive drainage system for split-thickness skin grafts. We compared the treatment effect and subjective evaluation of our occlusive drainage system with that of the conventional method for coverage of split-thickness skin grafts...
March 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28335317/cytotoxicity-of-silver-nanoparticle-and-chitin-nanofiber-sheet-composites-caused-by-oxidative-stress
#4
Jun Kinoda, Masayuki Ishihara, Hidemi Hattori, Shingo Nakamura, Koichi Fukuda, Hidetaka Yokoe
Size-controlled spherical silver nanoparticles (<10 nm) and chitin-nanofiber sheet composites (Ag NPs/CNFS) have previously been reported to have strong antimicrobial activity in vitro. Although Ag NPs/CNFS have strong antimicrobial activity, their cytotoxicity has not been investigated. This study was performed to evaluate the effects of Ag NPs/CNFS on cytotoxicity for fibroblasts in vitro and healing delay of wound repair in vivo, focused on oxidative stress. Cytotoxic activities of Ag NPs/CNFS were investigated using a fibroblast cell proliferation assay, nitric oxide/nitrogen dioxide (NO/NO₂) measurement of the cell lysates in vitro, inhibitory effects of Ag NPs/CNFS on healing-impaired wound repair using diabetic mice in vivo, 8-hydroxy-2'-deoxyguanosine (8-OHdG) immunohistochemical staining of the skin sections, and generation of carbonyl protein in the wound was performed to evaluate cytotoxicity with oxidative stress...
October 20, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334060/bone-repair-process-in-defects-of-diabetic-rats-filled-with-autogenous-bone-graft-and-covered-with-homogenous-bone-matrix-membrane-or-polytetrafluoroethylene-membrane
#5
Carlos Alberto Timóteo, Alessandra Marcondes Aranega, Elio Hitoshi Shinohara, Juliana Zorzi Coléte
PURPOSE: To analyze the process of repair of bone defects in diabetic rats filled with autogenous bone and covered with membranes of homogenous bone matrix or expanded polytetrafluoroethylene (ePTFE). MATERIALS AND METHODS: One hundred twenty male rats were divided into two groups: group 1 (IC), without systemic alterations (control), received an intravenous injection of citrate buffer at 0.01 M, pH 4.5; group 2 (IID) (diabetic) received an intravenous injection of streptozotocin (Sigma-Aldrich) dissolved in 0...
March 23, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28328865/novel-management-of-distal-tibial-and-fibular-fractures-with-acumed-fibular-nail-and-minimally-invasive-plating-osteosynthesis-technique-a-case-report
#6
Tie-Jun Wang, Wei-Na Ju, Bao-Chang Qi
RATIONALE: Anatomical characteristics, such as subcutaneous position and minimal muscle cover, contribute to the complexity of fractures of the distal third of the tibia and fibula. Severe damage to soft tissue and instability ensure high risk of delayed bone union and wound complications such as nonunion, infection, and necrosis. PATIENT CONCERNS: This case report discusses management in a 54-year-old woman who sustained fractures of the distal third of the left tibia and fibula, with damage to overlying soft tissue (swelling and blisters)...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28321356/island-posterior-thigh-flap-revisited-in-covering-extensive-sacral-wounds-our-experience-with-two-patients
#7
F Nangole Wanjala, Ajujo Martin
Deep sacral wounds are best covered by flaps. Posterior thigh flaps have routinely been used to cover such wounds. The flap can however be modified as an island flap. Two patients with extensive sacral wounds were managed with island posterior thigh flaps. Both patients were admitted secondary to road traffic accident with subsequent soft tissue loss of the sacral area. The sacral defects in both patients were approximately 17 cm by 23 cm in dimensions. Unilateral island posterior thigh flap was raised and used to cover the wounds...
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/28318749/experience-and-outcomes-of-micrografting-for-major-paediatric-burns
#8
H Rode, R Martinez, D Potgieter, S Adams, A D Rogers
BACKGROUND: The deficit of donor sites in major burns over 50% of the total body surface area has necessitated the application of methods besides traditional meshed autografting to achieve definitive skin cover. The Meek micrografting technique was introduced at this hospital in 2011, especially in the absence of a reliable source of deceased donor allograft skin. The purpose of this study was to evaluate this strategy with reference to its technical execution, efficacy and indications in the context of major paediatric burn surgery...
March 15, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28301627/single-staged-tunneled-cheek-interpolation-flap-with-cartilage-batten-graft-for-repair-of-nasal-ala-defect
#9
Tatyana A Petukhova, Jayne S Joo, Daniel B Eisen
<p>Surgical defects located within 5 mm of the nasal alar margin are at risk for alar elevation or collapse of the external nasal valve during wound healing. To reduce the chance of such complications, free cartilage grafts may be used as part of the reconstruction. However, if the defect is large enough so that the free cartilage graft does not fill most of the defect, wound contraction can still lead to alar displacement. In these situations, skin may need to be recruited from either the forehead or cheek in the form of an interpolation flap to cover both the free cartilage graft and the residual cutaneous defect...
March 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28294661/-nellix-new-possibilities-in-the-treatment-of-the-aorto-iliac-aneurysm-our-initial-experiences
#10
László Hidi, Csaba Csobay-Novák, Attila Nemes, Balázs Nemes, Zoltán Oláh, Dániel Pál, Péter Sótonyi
INTRODUCTION: The Endologix developed an aortoiliac stent graft system that is different than the conventional implantation technique (Nellix, EVAS-endovascular aneurysm sealing system). The first implantation in Hungary has been performed in the beginning of 2016 at Heart and Vascular Center. METHODS: Nellix: two endobags surrounding ballon-expandable covered stent (10 mm) with optional length, biocompatible polymer which is able to be injected into the endobags and a procedure-coordinating console...
March 2017: Magyar Sebészet
https://www.readbyqxmd.com/read/28291503/regenerative-and-antibacterial-properties-of-acellular-fish-skin-grafts-and-human-amnion-chorion-membrane-implications-for-tissue-preservation-in-combat-casualty-care
#11
Skuli Magnusson, Baldur Tumi Baldursson, Hilmar Kjartansson, Ottar Rolfsson, Gudmundur Fertram Sigurjonsson
BACKGROUND: Improvised explosive devices and new directed energy weapons are changing warfare injuries from penetrating wounds to large surface area thermal and blast injuries. Acellular fish skin is used for tissue repair and during manufacturing subjected to gentle processing compared to biologic materials derived from mammals. This is due to the absence of viral and prion disease transmission risk, preserving natural structure and composition of the fish skin graft. OBJECTIVES: The aim of this study was to assess properties of acellular fish skin relevant for severe battlefield injuries and to compare those properties with those of dehydrated human amnion/chorion membrane...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28291372/spotlight-on-the-delivery-of-photosensitizers-different-approaches-for-photodynamic-based-therapies
#12
Diogo Silva Pellosi, Priscila da Costa Carvalho De Jesus, Antonio Claudio Tedesco
Nanomedicine development allowed the discovery of new photosensitizers (PS) and drug delivery systems (DDS) to overcome current issues on phototherapy. Nano-engineered materials have the potential to improve the solubility of PS, control drug pharmacokinetics, decreasing side effects, increasing bioavailability, and overcoming multidrug resistance. A recent approach is the co-delivery of PS with other therapeutic agents in a multimodal platform for synergic and improved results. Areas covered: This paper discusses the delivery of PS-nanostructured platforms for conventional, photothermal, and antimicrobial photodynamic therapies, as well as in a recent therapeutic modality for photobiomodulation, covering applications of cancer diagnosis, targeting to skin pathogens, photoregeneration and wound healing...
March 27, 2017: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/28283451/wound-healing-potential-of-a-polyvinyl-alcohol-blended-pectin-hydrogel-containing-hippophae-rahmnoides-l-extract-in-a-rat-model
#13
Jin Kim, Chang-Moon Lee
In this study, we investigated the effect of a polyvinyl alcohol-blended pectin hydrogel (PVA-PT HG) containing the extracts of Hippophae rhamnoides L. (H. rhamnoides L.) leaves on wound healing in a rat model. The total phenolic content in the extract solution was 40.64±2.7 GAE mg/g and that of flavonoids was 13.15±1.8 QE mg/g. Of the total flavonoids in HGs, 61.6 and 50.0% were released at pH 5.5 and 7.4 after 60min. In rat acute wound models, the wound size was reduced significantly and the recovery rate was significantly higher after treatment with HG containing the extracts, compared with treatment with the control and HG only...
March 7, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28274882/vacuum-sealing-drainage-as-a-pre-surgical-adjunct-in-the-treatment-of-complex-open-hand-injuries-report-of-17-cases
#14
Xiao-Feng Niu, Jian-Hua Yi, Guo-Qin Zha, Jun Hu, Yun-Jiang Liu, Liang-Bao Xiao
BACKGROUND: Few studies have been conducted to explore the use of the vacuum sealing drainage (VSD) technique in complex hand injuries. The aim of this study was to report outcomes in patients with complex hand injuries receiving VSD as a coadjuvant treatment prior to second-stage surgery. METHODS: This case series study retrospectively reviewed the patients who underwent VSD for treatment of hand injuries. Inclusion criteria for the study were: (1) traumatic soft tissue defects of the hand and wrist, accompanied by different degrees of injury and exposure of bone, tendon, or blood vessel; (2) the wound surface of hand and wrist was seriously contaminated and direct wound closure was not possible; and (3) the soft tissues of hand and wrist were seriously lacerated or avulsed, and showed necrosis or acute infection...
March 5, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28274771/factors-associated-with-time-to-clinical-stability-in-complicated-skin-and-skin-structure-infections
#15
Iiro H Jääskeläinen, Lars Hagberg, Erik Forsblom, Asko Järvinen
OBJECTIVES: Factors associated with the time to clinical stability in patients with complicated skin and skin structure infection (cSSSI) were analysed in a retrospective population-based study. METHODS: All hospitalized patients (n=402) with cSSSI in two Nordic cities during a 4 year period were included. Patient, disease and treatment related factors were analysed in relation to early (0-3 days) or late (≥ 4 days) clinical stability. Clinical stability was assessed as improvement of infection related local and systemic signs...
March 5, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28274188/extracellular-matrix-remodeling-in-idiopathic-pulmonary-fibrosis-it-is-the-bed-that-counts-and-not-the-sleepers
#16
Ioannis P Tomos, Argyrios Tzouvelekis, Vassilis Aidinis, Effrosyni D Manali, Evangelos Bouros, Demosthenes Bouros, Spyros A Papiris
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive interstitial lung disease characterized by irreversible fibrosis. Current disease pathogenesis assumes an aberrant wound healing process in response to repetitive injurious stimuli leading to apoptosis of epithelial cells, activation of fibroblasts and accumulation of extracellular matrix (ECM). Particularly, lung ECM is a highly dynamic structure that lies at the core of several physiological and developmental pathways. The scope of this review article is to summarize current knowledge on the role of ECM in the pathogenesis of IPF, unravel novel mechanistic data and identify future more effective therapeutic targets...
March 8, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28272859/coverage-of-extensive-tibial-bone-exposure-in-burn-patients-with-three-local-flaps
#17
N Lahouel, P Mokwatlo, E Ndobe
Covering tibial bone exposure from third degree burns to the lower limbs is a challenging task for the plastic surgeon. We present our experience of covering tibial exposure from burns in three different patients, where four limbs were involved and three muscular flaps were used in conjunction with one another; i.e. the tibialis anterior flap, the medial gastrocnemius flap and the hemisoleus flap. Through the use of this technique, tibial bone exposure, ranging from 15-30 cm, was successfully covered. This technique constitutes a good solution for surgically challenging wounds...
November 2016: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28272858/coverage-of-extensive-tibial-bone-exposure-in-burn-patients-with-three-local-flaps
#18
N Lahouel, P Mokwatlo, E Ndobe
Covering tibial bone exposure from third degree burns to the lower limbs is a challenging task for the plastic surgeon. We present our experience of covering tibial exposure from burns in three different patients, where four limbs were involved and three muscular flaps were used in conjunction with one another; i.e. the tibialis anterior flap, the medial gastrocnemius flap and the hemisoleus flap. Through the use of this technique, tibial bone exposure, ranging from 15-30 cm, was successfully covered. This technique constitutes a good solution for surgically challenging wounds...
November 2016: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28267678/enzymatic-debridement-of-chronic-nonischemic-diabetic-foot-ulcers-results-of-a-randomized-controlled-trial
#19
Juan Carlos Jimenez, Patrick S Agnew, Perry Mayer, John R Clements, Joseph M Caporusso, Darrell L Lange, Jaime E Dickerson, Herbert B Slade
OBJECTIVE: The aim of this randomized, controlled multicenter trial was to evaluate the clinical outcomes associated with the use of clostridial collagenase ointment (CCO) for up to 12 weeks in 215 patients with type 1 or type 2 diabetes mellitus and a neuropathic, nonischemic diabetic foot ulcer (DFU). MATERIALS AND METHODS: Patients were randomized into either a group receiving CCO applied once daily at a thickness of ~2 mm or a group receiving standard care (SC) consisting of a daily application of a hydrogel as needed to maintain a moist ulcer environment...
February 27, 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28266133/effectiveness-of-a-polyhexanide-irrigation-solution-on-methicillin-resistant-staphylococcus-aureus-biofilms-in-a-porcine-wound-model
#20
Stephen C Davis, Andrew Harding, Joel Gil, Fernando Parajon, Jose Valdes, Michael Solis, Alex Higa
Irrigation and removal of necrotic debris can be beneficial for proper healing. It is becoming increasingly evident that wounds colonized with biofilm forming bacteria, such as Staphylococcus aureus (SA), can be more difficult to eradicate. Here we report our findings of the effects of an irrigation solution containing propyl-betaine and polyhexanide (PHMB) on methicillin-resistant Staphylococcus aureus (MRSA) biofilms in a porcine wound model. Thirty-nine deep partial thickness wounds were created with six wounds assigned to one of six treatment groups: (i) PHMB, (ii) Ringer's solution, (iii) hypochlorous acid/sodium hypochlorite, (iv) sterile water, (v) octenidine dihydrochloride, and (vi) octenilin...
March 7, 2017: International Wound Journal
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