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Wound healing diabetes

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https://www.readbyqxmd.com/read/27909641/a-case-series-of-complex-recalcitrant-wounds-treated-with-epidermal-grafts-harvested-from-an-automated-device
#1
Stephen S Cai, Arvind U Gowda, Karan Chopra, Rachel Waldman, Ronald P Silverman, Yvonne M Rasko
INTRODUCTION: Epidermal grafting has several advantages over full-thickness or split-thickness grafts in the treatment of complex non-healing wounds. These include the low risk of donor site complications, minimal patient discomfort, and abstention from the operating room. Traditionally, the lack of reliable epidermal harvesting techniques has limited its clinical utilization. The development of an automated suction blister epidermal graft (SBEG) harvesting device may facilitate clinical utilization of this technique...
October 30, 2016: Curēus
https://www.readbyqxmd.com/read/27909213/hammertoe-correction-with-k-wire-fixation-compared-with-percutaneous-correction
#2
Mustafa Yassin, Avraham Garti, Eyal Heller, Dror Robinson
BACKGROUND: Kirschner wire (K-wire) fixation for correction of hammertoe deformity is the gold standard for hammertoe surgery fixation, the current study compares it to percutaneous surgery with 3M Coban dressings. METHODS: All hammertoe corrections performed were retrospectively reviewed. For the K-wire fixation group: resection arthroplasty of the proximal interphalangeal joint was performed and fixed with a K-wire. The percutaneous technique used involved percutaneous diaphyseal osteotomy of the middle and proximal phalanges combined with tendon release...
November 30, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27905181/effectiveness-of-collagen-oxidised-regenerated-cellulose-silver-containing-composite-wound-dressing-for-the-treatment-of-medium-depth-split-thickness-skin-graft-donor-site-wounds-in-multi-morbid-patients-a-prospective-non-comparative-single-centre-study
#3
Alexander Konstantinow, Tatjana V Fischer, Johannes Ring
Split-thickness skin grafting (STSG) is a widely used method in reconstructive surgery, but donor site wounds (DSWs) are often slow healing and painful. This prospective study evaluated the performance of a composite wound dressing containing collagen/oxidised regenerated cellulose in the treatment of medium-depth (0·4 mm) DSWs in 25 multi-morbid patients with chronic leg ulcers requiring STSG. The range of patients' ages was 44-84 years (mean 71·6 years) with DSW sizes ranging between 12 and 162 cm(2) (mean 78 cm(2) )...
December 1, 2016: International Wound Journal
https://www.readbyqxmd.com/read/27904691/implantation-of-placenta-derived-mesenchymal-stem-cells-accelerates-murine-dermal-wound-closure-through-immunomodulation
#4
Haifeng Wang, Lianyu Chen, Yang Liu, Bangzhen Luo, Nanzi Xie, Tao Tan, Lige Song, Pei Erli, Ming Luo
BACKGROUND: Diabetic foot ulcer (DFU) is a major complication of diabetes mellitus. Although previous studies have established that inflammation, ischemia and neuropathy contribute to the development of DFU, it is still an unmet medical need due to lack knowledge of cellular and molecular mechanisms associated with DFU. In the present study, we tested our hypothesis that subcutaneous application of human placental mesenchymal stem cells (PMSCs) can accelerate diabetic dermal wound healing by modulating immunoresponse...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904671/melatonin-promotes-diabetic-wound-healing-in-vitro-by-regulating-keratinocyte-activity
#5
Ruipeng Song, Lijun Ren, Haoli Ma, Ruijing Hu, Honghong Gao, Li Wang, Xuehui Chen, Zhigang Zhao, Jialin Liu
Diabetic patients are at high risk of developing delayed cutaneous wound healing. Proper keratinocyte proliferation and migration are crucial steps during re-epithelialization. Melatonin (Mel) accelerates wound repair in full-thickness incisional wounds; however, its role in diabetic wound healing is unknown. This study explored the role of Mel in diabetic wound healing in vitro by using high glucose (HG)-cultured keratinocytes. Mel reduced the HG-induced mRNA expression and release of pro-inflammatory cytokines, including tumor necrosis factor-α, interleukin (IL)-1β, IL-6, and IL-8, in keratinocytes...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904531/effects-of-hyperbaric-oxygen-therapy-combined-with-platelet-rich-plasma-on-diabetic-wounds-an-experimental-rat-model
#6
Gündüz Yümün, Cüneyt Kahaman, Nail Kahaman, Ulviye Yalçınkaya, Aydin Akçılar, Engin Akgül, Ahmet Hakan Vural
INTRODUCTION: Hyperbaric oxygen and platelet-rich plasma are used in the treatment of diabetic wounds. The aim of this study is to evaluate the effects of hyperbaric oxygen therapy and autologous platelet concentrates in healing diabetic wounds. MATERIAL AND METHODS: Thirty-six female Wistar albino rats were used in this study. Diabetes mellitus was induced chemically with an intraperitoneal injection of streptozotocin. The rats were divided into a control group, a hyperbaric oxygen group, a platelet-rich plasma group, and a combined therapy group...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27903852/topical-honey-in-the-management-of-pediatric-peritoneal-dialysis-exit-sites
#7
Thomas A Forbes, Loren Shaw, Catherine Quinlan
International guidelines in peritoneal dialysis (PD) advocate for regular application of topical mupirocin in chronic PD exit-site care. A strong evidence base links this treatment to reduced rates of exit-site infections and peritonitis. However, emerging reports of increasing mupirocin resistance and gram-negative infections are threatening the long-term viability of topical antibiotic ointments as a prophylactic treatment. Medical grade honey has multiple proven antibacterial and wound healing properties...
November 2016: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/27898266/methicillin-resistant-staphylococcus-aureus-in-foot-osteomyelitis
#8
Chester N Ashong, Shazia A Raheem, Andrew S Hunter, Cezarina Mindru, Neal R Barshes
BACKGROUND: Conflicting studies exist regarding the impact of methicillin-resistant Staphylococcus aureus (MRSA) on increased time to wound healing, future need for surgical procedures, and likelihood of treatment failure in patients with diabetic foot osteomyelitis. The purpose of this study is to determine the overall significance of MRSA in predicting treatment failure in bone infections of the foot and to determine an appropriate pre-operative and empiric post-operative antibiotic regimen...
November 29, 2016: Surgical Infections
https://www.readbyqxmd.com/read/27893380/area-determination-of-diabetic-foot-ulcer-images-using-a-cascaded-two-stage-svm-based-classification
#9
Lei Wang, Peder Pedersen, Emmanuel Agu, Diane Strong, Bengisu Tulu
It is standard practice for clinicians and nurses to primarily assess patients' wounds via visual examination. This subjective method can be inaccurate in wound assessment and also represents a significant clinical workload. Hence, computer-based systems, especially implemented on mobile devices, can provide automatic, quantitative wound assessment and can thus be valuable for accurately monitoring wound healing status. Out of all wound assessment parameters, the measurement of the wound area is the most suitable for automated analysis...
November 23, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/27889427/piper-betel-leaves-induces-wound-healing-activity-via-proliferation-of-fibroblasts-and-reducing-11%C3%AE-hydroxysteriod-dehydrogenase-1-expression-in-diabetic-rat
#10
Nur Amalina Ghazali, Azree Elmy, Lee Chee Yuen, Nurul Zaidah Sani, Srijit Das, Farihah Suhaimi, Rafizul Yusof, Nurul Huda Yusoff, Zar Chi Thent
BACKGROUND: Increased oxidative stress and stress enzyme 11β hydroxysteriod dehydrogenase-1 (11β HSD-1) served as the major contributing factors for delayed wound healing in diabetes mellitus (DM). Piper betel (PB) leaves are reported to possess anti-diabetic, anti-oxidant and anti-microbial properties. OBJECTIVE: The objective was to investigate the effectiveness of topical application of PB leaves extract on oxidative stress and 11β hydroxysteriod dehydrogenase-1 (11β HSD-1) expression in diabetic wounds...
November 23, 2016: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/27888790/complication-assessment-and-prevention-strategies-using-midfoot-fusion-bolt-for-medial-column-stabilization-in-charcot-s-osteoarthropathy
#11
Alexander T Mehlhorn, Markus Walther, Niklas Iblher, Norbert P Südkamp, Hagen Schmal
In Charcot's osteoarthropathy stabilization of the medial column of the foot was introduced in order to establish a stable foot and reduce the risk for amputation. This study was performed to analyze postoperative complications, define risk factors for those and develop strategies for prevention. Since bolt dislocation takes place frequently, it was aimed to predict an appropriate time point for bolt removal under the condition that osseous healing has occurred. Fourteen consecutive patients with neuroosteoarthropathy of the foot and arch collapse were treated with open reduction and stabilization using midfoot fusion bolt and lateral lag screws...
November 4, 2016: Foot
https://www.readbyqxmd.com/read/27887858/predictive-value-of-neutrophil-to-lymphocyte-ratio-in-diabetic-wound-healing
#12
Nasibeh Vatankhah, Younes Jahangiri, Gregory J Landry, Robert B McLafferty, Nabil J Alkayed, Gregory L Moneta, Amir F Azarbal
OBJECTIVE: The neutrophil-to-lymphocyte ratio (NLR) has been used as a surrogate marker of systemic inflammation. We sought to investigate the association between NLR and wound healing in diabetic wounds. METHODS: The outcomes of 120 diabetic foot ulcers in 101 patients referred from August 2011 to December 2014 were examined retrospectively. Demographic, patient-specific, and wound-specific variables as well as NLR at baseline visit were assessed. Outcomes were classified as ulcer healing, minor amputation, major amputation, and chronic ulcer...
November 22, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27886997/using-stable-free-radicals-to-obtain-unique-and-clinically-useful-data-in-vivo-in-human-subjects
#13
Harold M Swartz
This paper attempts to: (1) provide a critical overview of the challenges and opportunities to extend electron paramagnetic resonance (EPR) into practical applications in human subjects, based on EPR measurements made in vivo; (2) summarize the clinical applications of EPR for improving treatments in cancer, wound healing and diabetic care, emphasizing EPR's unique capability to measure tissue oxygen repeatedly and with particular sensitivity to hypoxia and (3) summarize the capabilities of in vivo EPR to measure radiation dose for triage and medical guidance after a large-scale radiation exposure...
November 24, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27883358/negative-pressure-wound-therapy-inhibit-inflammation-by-up-regulating-atf-3-and-down-regulating-nuclear-factor-%C3%AE%C2%BAb-in-diabetic-patients-with-foot-ulcerations
#14
T Wang, R He, J Zhao, J C Mei, M Z Shao, Y Pan, J Zhang, H S Wu, M Yu, W C Yan, L M Liu, F Liu, W P Jia
BACKGROUND: Negative pressure wound therapy (NPWT) was one of the most important treatments of diabetic foot, but the underlying mechanisms still remain elusive. This study aimed to evaluate the inflammatory signals involved in the effects of NPWT on diabetic foot ulcers. METHODS: We enrolled 22 patients with diabetic foot ulceration, eleven treated with NPWT and others treated with traditional debridement. All the patients were treated and observed for 1 week...
November 24, 2016: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/27883184/epigenetics-in-reactive-and-reparative-cardiac-fibrogenesis-the-promise-of-epigenetic-therapy
#15
REVIEW
Asish K Ghosh, Rahul Rai, Panagiotis Flevaris, Douglas E Vaughan
Epigenetic changes play a pivotal role in the development of a wide spectrum of human diseases including cardiovascular diseases, cancer, diabetes, and intellectual disabilities. Cardiac fibrogenesis is a common pathophysiological process seen during chronic and stress-induced accelerated cardiac aging. While adequate production of extracellular matrix (ECM) proteins is necessary for post-injury wound healing, excessive synthesis and accumulation of extracellular matrix protein in the stressed or injured hearts causes decreased or loss of lusitropy that leads to cardiac failure...
November 24, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27882935/the-robo4-cytoplasmic-domain-is-dispensable-for-vascular-permeability-and-neovascularization
#16
Feng Zhang, Claudia Prahst, Thomas Mathivet, Laurence Pibouin-Fragner, Jiasheng Zhang, Gael Genet, Raymond Tong, Alexandre Dubrac, Anne Eichmann
Vascular permeability and neovascularization are implicated in many diseases including retinopathies and diabetic wound healing. Robo4 is an endothelial-specific transmembrane receptor that stabilizes the vasculature, as shown in Robo4(-/-) mice that develop hyperpermeability, but how Robo4 signals remained unclear. Here we show that Robo4 deletion enhances permeability and revascularization in oxygen-induced retinopathy (OIR) and accelerates cutaneous wound healing. To determine Robo4 signalling pathways, we generated transgenic mice expressing a truncated Robo4 lacking the cytoplasmic domain (Robo4ΔCD)...
November 24, 2016: Nature Communications
https://www.readbyqxmd.com/read/27879958/evaluation-of-a-6-year-old-multicentric-standard-endovascular-treatment-of-critical-limb-ischemia-in-the-drug-eluting-era
#17
Vincenzo Brizzi, Caroline Caradu, Xavier Berard, Gerard Sassoust, Dominique Midy, Eric Ducasse
BACKGROUND: There has been increasing evidence to support the endovascular- first approach in the treatment of below the knee (BTK) lesions. Plain Old Balloon Angioplasty (POBA), with bailout bare-metal stent scaffolding in case of flow limiting dissection or recoil, have been considered the standard treatment of choice but industries are continually developing innovative equipment and dedicated technologies, such as drug-eluting platforms whose use is increasingly extended, despite significant costs and lack of high-quality evidence to support a well- established strategy...
November 23, 2016: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/27872190/ptp1b-in-calpain-dependent-feedback-regulation-of-vegfr2-in-endothelial-cells-implication-in-vegf-dependent-angiogenesis-and-diabetic-wound-healing
#18
Yixuan Zhang, Qiang Li, Ji Youn Youn, Hua Cai
The VEGF/VEGFR2/Akt/eNOS/NO pathway is essential to VEGF-induced angiogenesis. We have previously discovered a novel role of calpain in mediating VEGF-induced PI3K/AMPK/Akt/eNOS activation through Ezrin. Here, we sought to identify possible feedbak regulation of VEGFR2 by calpain via its substrate protein phosphotyrosine phosphatase 1B (PTP1B), and the relevance of this pathway to VEGF-induced angiogenesis, especially in diabetic wound healing. Over-expression of PTP1B inhibited VEGF-induced VEGFR2 and Akt phosphorylation in bovine aortic endothelial cells, while PTP1B siRNA increased both, implicating the negative regulation of VEGFR2 by PTP1B...
November 21, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27869355/delivery-of-flightless-i-neutralizing-antibody-from-porous-silicon-nanoparticles-improves-wound-healing-in-diabetic-mice
#19
Christopher T Turner, Steven J P McInnes, Elizabeth Melville, Allison J Cowin, Nicolas H Voelcker
Flightless I (Flii) is elevated in human chronic wounds and is a negative regulator of wound repair. Decreasing its activity improves healing responses. Flii neutralizing antibodies (FnAbs) decrease Flii activity in vivo and hold significant promise as healing agents. However, to avoid the need for repeated application in a clinical setting and to protect the therapeutic antibody from the hostile environment of the wound, suitable delivery vehicles are required. In this study, the use of porous silicon nanoparticles (pSi NPs) is demonstrated for the controlled release of FnAb to diabetic wounds...
November 21, 2016: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/27868087/diabetic-wound-healing-and-activation-of-nrf2-by-herbal-medicine
#20
Donald R Senger, Shugeng Cao
Nrf2 defense is a very important cellular mechanism to control oxidative stress, which is implicated in wound healing. Nrf2 can induce many cytoprotective genes, including HO-1, NQO1 and G6PD. Among many natural products that have been reported as Nrf2 activators, sulforaphane and curcumin have been studied more widely than any others, and both are in clinical trials for non-cancerous disorders. Recently, we reported 4-ethyl catechol and 4-vinyl catechol as Nrf2 co-factors that can induce Nrf2 as potently as sulforaphane and curcumin...
2016: Journal of Nature and Science
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