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Chronic wound healing

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https://www.readbyqxmd.com/read/28338059/non-thermal-air-plasma-promotes-the-healing-of-acute-skin-wounds-in-rats
#1
S Kubinova, K Zaviskova, L Uherkova, V Zablotskii, O Churpita, O Lunov, A Dejneka
Non-thermal plasma (NTP) has nonspecific antibacterial effects, and can be applied as an effective tool for the treatment of chronic wounds and other skin pathologies. In this study we analysed the effect of NTP on the healing of the full-thickness acute skin wound model in rats. We utilised a single jet NTP system generating atmospheric pressure air plasma, with ion volume density 5 · 10(17) m(-3) and gas temperature 30-35 °C. The skin wounds were exposed to three daily plasma treatments for 1 or 2 minutes and were evaluated 3, 7 and 14 days after the wounding by histological and gene expression analysis...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28336328/bone-healing-is-achievable-despite-extensive-wound-dehiscence-and-wide-plate-and-screws-exposure-in-children
#2
Elias Melhem, Wael Bayoud, Ismat Ghanem
BACKGROUD: Extensive wound dehiscence and wide plate and screw exposure in the early weeks following orthopaedic surgery in children is usually managed either by extensive debridement, lavage and secondary closure or hardware removal and external fixation. PATIENTS: Three children with LCP plate and screws exposure were managed by simple repetitive debridement and local wound care without any IV antibiotics, nor secondary closure or hardware removal. All three cases occurred in the tibia, one following tibial osteotomy in lateral hemimelia with a long history of previous surgeries, one following wide excision of a tibial Ewing sarcoma with chemo and radiotherapy, and the third following wide excision of a 12cm necrotic tibial segment due to chronic osteomyelitis...
March 20, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28336087/dermatopontin-augments-angiogenesis-and-modulates-the-expression-of-transforming-growth-factor-beta-1-and-integrin-alpha-3-beta-1-in-endothelial-cells
#3
Venkat Raghavan Krishnaswamy, Uma Maheshwari Balaguru, Suvro Chatterjee, Purna Sai Korrapati
Dermatopontin (DPT) is a matricellular protein with cardinal roles in cutaneous wound healing. The protein is also reported to be altered in various anomalies including cancer. The present study is aimed to unravel the role of DPT in angiogenesis which is imperative in many physiological and pathological processes. DPT's capabilities on promoting angiogenesis were assessed using various in vitro and ex vivo systems. The results indicated that DPT enhances cell motility and induces lamellipodia formation in endothelial cells...
March 11, 2017: European Journal of Cell Biology
https://www.readbyqxmd.com/read/28333360/gammadelta-t-cells-in-crohn-s-disease-a-new-player-in-the-disease-pathogenesis
#4
Catalan-Serra Ignacio, Arne Kristian Sandvik, Torunn Bruland, Juan Carlos Andreu-Ballester
Crohn's disease (CD) is a chronic relapsing systemic disease affecting the gastrointestinal tract. An altered immune response to commensal intestinal bacteria takes place in genetically predisposed individuals, resulting in chronic inflammation in the gut. Several alterations in the innate immunity mechanisms have been described in recent years. Thus, the study of the immunological aspects of CD, specifically the role of lymphocytes, is a key element for understanding the pathogenesis of the disease. Gammadelta T cells (γδ T cells) constitute only a small proportion of the lymphocytes that circulate in the blood and peripheral organs and they are present mainly in the epithelia, where they can constitute up to 40% of intraepithelial lymphocytes (IEL) in the intestinal mucosa...
March 16, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28329467/unna-boot-central-gauze-technique-for-chronic-venous-leg-ulcers
#5
Anne L Gao, Justin G Cole, William V Stoecker
BACKGROUND: Venous leg ulcers generally take manyweeks to heal. Novel therapies that shorten healingtime and require less complex care are needed. PURPOSE: The purpose of this report is to presenta pilot study for a new method that can result ina faster healing time for venous leg ulcers usinginexpensive materials. METHODS: A central-gauzeprotocol was developed as described here. A three-ply gauze sponge was placed in the center of theulcer, allowing a peripheral 3-5 mm rim of ulcer toremain exposed...
January 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28326402/total-joint-arthroplasty-in-patients-with-chronic-infectious-liver%C3%A2-disease
#6
Jeremy N Truntzer, Kalpit N Shah, Derek R Jenkins, Lee E Rubin
The opportunity for total joint arthroplasty (TJA) in patients with chronic infectious liver disease is rapidly expanding. This is the product of both superior survival of chronic hepatitis patients, evolving implant technologies, and improvement of techniques in TJA. Unfortunately, treating this group of patients is not without significant challenges that can stem from both intrahepatic and extrahepatic clinical manifestations. Moreover, many subclinical changes occur in this cohort that can alter hemostasis, wound healing, and infection risk even in the asymptomatic patient...
June 2016: Arthroplasty Today
https://www.readbyqxmd.com/read/28323921/emerging-roles-for-micrornas-in-diabetic-microvascular-disease-novel-targets-for-therapy
#7
Yu Zhang, Xinghui Sun, Basak Icli, Mark W Feinberg
Chronic, low-grade systemic inflammation and impaired microvascular function are critical hallmarks in the development of insulin resistance. Accordingly, insulin resistance is a major risk factor for type 2 diabetes and cardiovascular disease. Accumulating studies demonstrate that restoration of impaired function of the diabetic macro- and microvasculature may ameliorate a range of cardiovascular disease states and diabetes-associated complications. In this review, we focus on the emerging role of microRNAs, non-coding RNAs that fine-tune target gene expression and signaling pathways, in insulin-responsive tissues and cell types important for maintaining optimal vascular homeostasis and preventing the sequelae of diabetes-induced end organ injury...
February 17, 2017: Endocrine Reviews
https://www.readbyqxmd.com/read/28320360/a-prospective-analysis-of-pinch-grafting-of-chronic-leg-ulcers-in-a-series-of-elderly-patients-in-rural-cameroon
#8
Benjamin Momo Kadia, Christian Akem Dimala, Desmond Aroke, Cyril Jabea Ekabe, Reine Suzanne Mengue Kadia, Alain Chichom Mefire
BACKGROUND: Chronic leg ulcers (CLUs) pose serious public health concerns worldwide. They mainly affect the elderly population. Pinch grafting (PG) could be used to treat a variety of CLUs. However, in Cameroon, there is scarce data on the outcome of PG of CLUs in elderly patients in rural hospitals where most of these patients seek for medical attention and where clinicians rely on unconventional wound dressing methods to treat CLUs. Our objective was to describe the outcome of PG of CLUs in elderly patients in rural Cameroon...
March 20, 2017: BMC Dermatology
https://www.readbyqxmd.com/read/28319106/a-systematic-review-on-the-impact-of-diabetes-mellitus-on-the-ocular-surface
#9
REVIEW
K Co Shih, K S-L Lam, L Tong
Diabetes mellitus is associated with extensive morbidity and mortality in any human community. It is well understood that the burden of diabetes is attributed to chronic progressive damage in major end-organs, but it is underappreciated that the most superficial and transparent organ affected by diabetes is the cornea. Different corneal components (epithelium, nerves, immune cells and endothelium) underpin specific systemic complications of diabetes. Just as diabetic retinopathy is a marker of more generalized microvascular disease, corneal nerve changes can predict peripheral and autonomic neuropathy, providing a window of opportunity for early treatment...
March 20, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28306732/identifying-the-trends-in-wound-healing-patents-for-successful-investment-strategies
#10
Jae Ha Gwak, So Young Sohn
BACKGROUND: Recently, the need for rapid wound-healing has significantly increased because of the increasing number of patients who are diagnosed with diabetes and obesity. These conditions have contributed to a surge in the number of patients with chronic wounds worldwide. Furthermore, many cost-effective wound-healing technologies have been developed in order to keep up with the increased demand. In this paper, we performed a quantitative study of the trends associated with wound-healing technologies using patent data...
2017: PloS One
https://www.readbyqxmd.com/read/28301358/hyperbaric-oxygen-therapy-exploring-the-clinical-evidence
#11
Gretl Lam, Rocky Fontaine, Frank L Ross, Ernest S Chiu
GENERAL PURPOSE: To provide information about hyperbaric oxygen therapy (HBOT), its mechanisms, indications and safe applications based on clinical evidence. TARGET AUDIENCE: This continuing education activity is intended for physicians, physician assistants, nurse practitioners, and nurses with an interest in skin and wound care. LEARNING OBJECTIVES/OUTCOMES: After participating in this educational activity, the participant should be better able to:1...
April 2017: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/28299333/an-alternative-treatment-strategy-for-complicated-chronic-wounds-negative-pressure-therapy-over-mesh-skin-graft
#12
Michele Maruccia, Maria G Onesti, Valentina Sorvillo, Antonio Albano, Luca A Dessy, Bruno Carlesimo, Mauro Tarallo, Marco Marcasciano, Giuseppe Giudice, Emanuele Cigna, Diego Ribuffo
Extensive skin defect represents a real problem and major challenge in plastic and reconstructive surgery. On one hand, skin grafts offer a practical method to deal with skin defects despite their unsuitability for several complicated wounds. On the other hand, negative pressure wound therapy (NPWT), applied before skin grafting, promotes granulation tissue growth. The aim of the study is to evaluate the improvement in wound healing given by the merger of these two different approaches. We treated 23 patients for large wounds of multiple factors...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28298074/evaluation-of-growth-inhibitory-response-of-resveratrol-and-salinomycin-combinations-against-triple-negative-breast-cancer-cells
#13
Girish Rai, Shankar Suman, Sanjay Mishra, Yogeshwer Shukla
Resveratrol (RSVL) a dietary phytochemical showed to enhance the efficacy of chemotherapeutic drugs. Recently, Salinomycin (SAL) has gained importance as cancer therapeutic value for breast cancer (BC), however, its superfluxious toxicity delimits the utility. Taking the advantage of RSVL, the therapeutic efficacy of RSVL and SAL combination was studied in vitro and in vivo system. Firstly, the synergistic combination dose of RSVL and SAL was calculated and further, the efficacy was examined by wound healing, and Western blots analysis...
March 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28297576/chitosan-wound-dressings-incorporating-exosomes-derived-from-microrna-126-overexpressing-synovium-mesenchymal-stem-cells-provide-sustained-release-of-exosomes-and-heal-full-thickness-skin-defects-in-a-diabetic-rat-model
#14
Shi-Cong Tao, Shang-Chun Guo, Min Li, Qin-Fei Ke, Ya-Ping Guo, Chang-Qing Zhang
There is a need to find better strategies to promote wound healing, especially of chronic wounds, which remain a challenge. We found that synovium mesenchymal stem cells (SMSCs) have the ability to strongly promote cell proliferation of fibroblasts; however, they are ineffective at promoting angiogenesis. Using gene overexpression technology, we overexpressed microRNA-126-3p (miR-126-3p) and transferred the angiogenic ability of endothelial progenitor cells to SMSCs, promoting angiogenesis. We tested a therapeutic strategy involving controlled-release exosomes derived from miR-126-3p-overexpressing SMSCs combined with chitosan...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28295126/gluteus-maximus-advancement-flap-procedure-for-reconstruction-of-posterior-soft-tissue-deficiency-in-revision-total-hip-arthroplasty
#15
Benjamin F Ricciardi, Peter W Henderson, Alexander S McLawhorn, Geoffrey H Westrich, Mathias P Bostrom, Lloyd B Gayle
The current study describes the surgical technique and early outcomes of a gluteus maximus advancement flap procedure for the treatment of posterior soft tissue insufficiency among patients with complex revision total hip arthroplasty. This retrospective case series was conducted with a prospective, single-institution arthroplasty registry. Patients who underwent a gluteus maximus advancement flap procedure in the setting of revision total hip arthroplasty between January 2012 and January 2016 were eligible for inclusion (N=7)...
March 14, 2017: Orthopedics
https://www.readbyqxmd.com/read/28293634/secs-sinusoidal-endothelial-cells-liver-microenvironment-and-fibrosis
#16
REVIEW
Vaishaali Natarajan, Edward N Harris, Srivatsan Kidambi
Liver fibrosis is a wound-healing response to chronic liver injury such as alcoholic/nonalcoholic fatty liver disease and viral hepatitis with no FDA-approved treatments. Liver fibrosis results in a continual accumulation of extracellular matrix (ECM) proteins and paves the way for replacement of parenchyma with nonfunctional scar tissue. The fibrotic condition results in drastic changes in the local mechanical, chemical, and biological microenvironment of the tissue. Liver parenchyma is supported by an efficient network of vasculature lined by liver sinusoidal endothelial cells (LSECs)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28293016/umbilical-pilonidal-sinus-an-underestimated-and-little-known-clinical-entity-report-of-two-cases
#17
Mehmet Kaplan, Elif Tugce Kaplan, Tugba Kaplan, Fatma Cigdem Kaplan
BACKGROUND Umbilical pilonidal sinus (UPS) is a rare disease of young, hirsute, dark men with deep navels and poor personal hygiene. UPS could easily be misdiagnosed and mistreated due to its rarity and lack of awareness of the condition by physicians. However, the diagnosis is easy to establish with physical examination and a detailed history. Although it is being diagnosed and reported more frequently, there is still no consensus regarding best treatment options. CASE REPORT In this report, we present two cases of UPS, one in a man and one in a woman, who had typical symptoms of pain, swelling, and intermittent malodorous discharge from the umbilicus...
March 15, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28291245/tyrosine-kinase-inhibitor-bibf1120-ameliorates-inflammation-angiogenesis-and-fibrosis-in-ccl4-induced-liver-fibrogenesis-mouse-model
#18
Büsra Öztürk Akcora, Gert Storm, Jai Prakash, Ruchi Bansal
Hepatic fibrosis, a progressive chronic disease mainly caused by hepatitis viral infections, alcohol abuse or metabolic syndrome leading to liver dysfunction and is the growing cause of mortality worldwide. Tyrosine kinase inhibitor BIBF1120 (Nintedanib) has been evaluated in clinical trials for idiopathic pulmonary fibrosis and advanced Hepatocellular carcinoma, but has not been explored for liver fibrosis yet. In this study, we aimed to investigate the therapeutic effects and mechanism of BIBF1120 in liver fibrogenesis...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28290581/deconvolution-of-heterogeneous-wound-tissue-samples-into-relative-macrophage-phenotype-composition-via-models-based-on-gene-expression
#19
Nicole M Ferraro, Will Dampier, Michael S Weingarten, Kara L Spiller
Macrophages, the primary cell of the innate immune system, act on a spectrum of phenotypes that correspond to diverse functions. Dysregulation of macrophage phenotype is associated with many diseases. In particular, defective transition from pro-inflammatory (M1) to anti-inflammatory (M2) behavior has been implicated as a potential source of sustained inflammation that prevents healing of chronic wounds such as diabetic ulcers. In order to design effective treatments, an understanding of the relative presence of macrophage phenotypes during tissue repair is necessary...
March 14, 2017: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/28289608/management-of-chronic-non-healing-wounds-by-hirudotherapy
#20
REVIEW
Arsheed Iqbal, Afroza Jan, M A Wajid, Sheikh Tariq
A chronic wound is a wound that does not heal in an orderly set of stages and in a predictable amount of time or wounds that do not heal within three months are often considered chronic. Chronic wounds often remain in the inflammatory stage for too long and may never heal or may take years. Chronic wound patients often report pain as dominant in their lives. Persistent pain is the main problem for patients with chronic ulcers. Many wounds pose no challenge to the body's innate ability to heal; some wounds, however, may not heal easily either because of the severity of the wounds themselves or because of the poor state of health of the individual...
January 2017: World Journal of Plastic Surgery
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