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Wound Repair and Regeneration

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https://www.readbyqxmd.com/read/30015365/impact-of-venous-leg-ulceration-on-health-related-quality-of-life-a-synthesis-of-data-from-randomized-controlled-trials-compared-to-population-norms
#1
Andrew Jull, Sara Muchoney, Varsha Parag, Angela Wadham, Chris Bullen, Jill Waters
Venous insufficiency is the most common cause of leg ulceration, but the impact of venous leg ulceration on health-related quality of life has not been adequately assessed. This study compared data from randomized controlled trials to population norms obtained from a large national population survey. We combined the baseline Short Form-36 (SF-36) version 1 data from two New Zealand randomized controlled trials that recruited participants with VLU and compared the pooled data to the population scores obtained from the New Zealand Health Survey using general linear regression to adjust for age, sex, and ethnicity differences between the cohorts...
July 17, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29943888/use-of-an-ocular-wound-chamber-for-the-prevention-of-exposure-keratopathy-in-a-guinea-pig-model
#2
Andrew W Holt, Jennifer S McDaniel, Gregory T Bramblett, Elof E Eriksson, Anthony J Johnson, Gina L Griffith
Current therapies available to treat and heal ocular surface injuries and periocular burns are frequently inadequate, costly, and labor intensive. To address these limitations, we have employed a flexible, semi-transparent ocular wound chamber (OWC) to provide protection as well as a watertight seal to allow for the constant delivery of therapeutics to the ocular surface and surrounding periocular tissue. This study demonstrates the safety and utilization of the OWC on uninjured eyes and in our exposure keratopathy model...
June 26, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29852525/scarcon-etrs-2018-joint-meeting-scar-academy-and-the-european-tissue-repair-society-okura-hotel-amsterdam-the-netherlands-may-31-june-2-2018
#3
(no author information available yet)
No abstract text is available yet for this article.
May 31, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29802752/the-microbiota-of-traumatic-open-fracture-wounds-is-associated-with-mechanism-of-injury
#4
Casey Bartow-McKenney, Geoffrey D Hannigan, Joseph Horwinski, Patrick Hesketh, Annamarie D Horan, Samir Mehta, Elizabeth A Grice
Open fractures are characterized by disruption of the skin and soft tissue, which allows for microbial contamination and colonization. Preventing infection-related complications of open fractures and other acute wounds remains an evolving challenge due to an incomplete understanding of how microbial colonization and contamination influence healing and outcomes. Culture-independent molecular methods are now widely used to study human-associated microbial communities without introducing culture biases. Using such approaches, the objectives of this study were to 1) define the long-term temporal microbial community dynamics of open fracture wounds and 2) examine microbial community dynamics with respect to clinical and demographic factors...
May 26, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29802745/atrial-natriuretic-peptide-accelerates-human-endothelial-progenitor-cell-stimulated-cutaneous-wound-healing-and-angiogenesis
#5
Tae Wook Lee, Yang Woo Kwon, Gyu Tae Park, Eun Kyoung Do, Jung Won Yoon, Seung-Chul Kim, Hyun-Chang Ko, Moon-Bum Kim, Jae Ho Kim
Atrial natriuretic peptide (ANP) is a powerful vasodilating peptide secreted by cardiac muscle cells, and endothelial progenitor cells (EPCs) have been reported to stimulate cutaneous wound healing by mediating angiogenesis. To determine whether ANP can promote the EPC-mediated repair of injured tissues, we examined the effects of ANP on the angiogenic properties of EPCs and on cutaneous wound healing. In vitro, ANP treatment enhanced the migration, proliferation, and endothelial tube-forming abilities of EPCs...
May 26, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29802722/optimized-adipose-tissue-engineering-strategy-based-on-a-neo-mechanical-processing-method
#6
Yunfan He, Maohui Lin, Xuecen Wang, Jingyan Guan, Ziqing Dong, Lu Feng, Malcolm Xing, Chuanbo Feng, Xiaojian Li
Decellularized adipose tissue (DAT) represents a promising scaffold for adipose tissue engineering. However, the unique and prolonged lipid removal process required for adipose tissue can damage extracellular matrix (ECM) constituents. Moreover, inadequate vascularization limits the recellularization of DAT in vivo. We proposed a neo-mechanical protocol for rapidly breaking adipocytes and removing lipid content from adipose tissue. The lipid-depleted adipose tissue was then subjected to a fast and mild decellularization to fabricate high-quality DAT (M-DAT)...
May 26, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29770531/use-of-antibiotic-impregnated-resorbable-beads-reduces-pressure-ulcer-recurrence-a-retrospective-analysis
#7
Ibrahim Khansa, Jenny C Barker, Piya Das Ghatak, Chandan K Sen, Gayle M Gordillo
BACKGROUND: Recurrence of pressure ulcers remains common. We have employed resorbable antibiotic beads as a therapeutic strategy to deliver high local antibiotic concentrations to the debridement site. Our objective was to determine whether the use of resorbable antibiotic- beads would reduce pressure ulcer recurrence. METHODS: We reviewed all stage IV pressure ulcers treated with excision, partial ostectomy and flap coverage over 16 years. Baseline patient factors (location of ulcer, presence of osteomyelitis, preoperative prealbumin), surgical factors (type of flap, use of antibiotic beads, bone culture results) and postoperative outcomes (ulcer recurrence at 1 year, dehiscence, seroma, cellulitis) were collected...
May 17, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29719102/risk-factors-for-hypertrophic-burn-scar-pain-pruritus-and-paresthesia-development
#8
Yongqiang Xiao, Yu Sun, Banghui Zhu, Kangan Wang, Pengfei Liang, Wenjun Liu, Jinfeng Fu, Shiqing Zheng, Shichu Xiao, Zhaofan Xia
Hypertrophic scar pain, pruritus, and paresthesia symptoms are major and particular concerns for burn patients. However, because no effective and satisfactory methods exist for their alleviation, the clinical treatment for these symptoms is generally considered unsatisfactory. Therefore, their risk factors should be identified and prevented during management. We reviewed the medical records of 129 post-burn hypertrophy scar patients and divided them into two groups for each of three different symptoms based on the University of North Carolina "4P" Scar Scale: patients with scar pain requiring occasional or continuous pharmacological intervention (HSc pain, n=75) vs...
May 2, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29683538/effectiveness-of-viable-cryopreserved-placental-membranes-for-management-of-diabetic-foot-ulcers-in-a-real-world-setting
#9
Katherine M Raspovic, Dane K Wukich, Daniel Q Naiman, Lawrence A Lavery, Robert S Kirsner, Paul J Kim, John S Steinberg, Christopher E Attinger, Alla Danilkovitch
In a multicenter randomized controlled trial (RCT), the use of viable cryopreserved placental membrane (vCPM) for chronic diabetic foot ulcers (DFUs) resulted in a higher proportion of wound closure in comparison to good wound care: 62% versus 21% (p < 0.01). However, patients in RCTs are not representative of daily physician practice. Healthcare databases serve as a valuable tool to evaluate therapy effectiveness and to supplement evidence from RCTs. The objective of this study was to evaluate the effectiveness of vCPM for DFU management using Net Health's WoundExpert® electronic health records (EHR)...
April 23, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29663654/nifurpirinol-a-more-potent-and-reliable-substrate-compared-to-metronidazole-for-nitroreductase-mediated-cell-ablations
#10
David Bergemann, Laura Massoz, Jordane Bourdouxhe, Claudio A Carril Pardo, Marianne L Voz, Bernard Peers, Isabelle Manfroid
The zebrafish is a popular animal model with well-known regenerative capabilities. To study regeneration in this fish, the nitroreductase/metronidazole-mediated system is widely used for targeted ablation of various cell types. Nevertheless, we highlight here some variability in ablation efficiencies with the metronidazole prodrug that led us to search for a more efficient and reliable compound. Herein, we present nifurpirinol, another nitroaromatic antibiotic, as a more potent prodrug compared to metronidazole to trigger cell-ablation in nitroreductase expressing transgenic models...
April 17, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29663583/a-mathematical-model-for-the-determination-of-mouse-excisional-wound-healing-parameters-from-photographic-data
#11
Nicholas G Cogan, Alana P Mellers, Bhavi N Patel, Brett D Powell, Manu Aggarwal, Kathleen M Harper, Michael Blaber
We present a mathematical model to quantify parameters of mouse excisional wound healing from photographic data. The equation is a piecewise linear function in log scale that includes key parameters of initial wound radius (R0 ), an initial wound stasis phase (Ti ), and time to wound closure (Tc ); subsequently, these terms permit calculation of a latter active proliferative phase (Tp ), and the healing rate (HR) during this active phase. A daily photographic record of wound healing (utilizing 6 mm diameter splinted excisional wounds) permits the necessary sampling for robust parameter refinement...
April 17, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29663582/the-skin-microbiome-of-wound-scars-and-unaffected-skin-in-patients-with-moderate-to-severe-burns-in-the-subacute-phase
#12
Su-Hsun Liu, Yhu-Chering Huang, Leslie Y Chen, Shu-Chuan Yu, Hsiao-Yun Yu, Shiow-Shuh Chuang
Although studies on skin microbiome of acute and chronic wounds abound, evidence on newly built microbial communities of subacute wounds remains scant. To characterize the skin microbiome of recently healed (scarred) burn wounds in relation to unaffected skin surfaces, we collected weekly swabs from patients with moderate to severe burns in the 3rd postburn month for 4 weeks in 2015. We performed skin type (moist, dry, and oily)-matched comparisons within six burn patients (43 pairs of swabs) and with 13 skin-healthy, control patients (22 pairs of samples) using 16S ribosomal RNA gene sequencing results...
April 17, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29617058/multicenter-randomized-controlled-observer-blinded-study-of-a-nitric-oxide-generating-treatment-in-foot-ulcers-of-patients-with-diabetes-pronox1-study
#13
Michael E Edmonds, Harvey J Bodansky, Andrew Jm Boulton, Paul J Chadwick, Cuong N Dang, Ryan D'Costa, Atholl Johnston, Brian Kennon, Graham Leese, Satyan M Rajbhandari, Thomas E Serena, Matthew J Young, Joanne E Stewart, Arthur T Tucker, Marissa J Carter
The aim of this multi-center, prospective, observer-blinded, parallel group, randomized controlled trial was to assess the safety and efficacy of EDX110, a nitric oxide generating medical device, in the treatment of diabetic foot ulcers in a patient group reflecting "real world" clinical practice compared against optimal standard care. Participants were recruited from ten hospital sites in multidisciplinary foot ulcer clinics. The ulcers were full thickness, with an area of 25-2500mm2 and either a palpable pedal pulse or ankle brachial pressure index >0...
April 4, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29617055/development-of-a-large-volume-human-derived-adipose-acellular-allogenic-flap-by-perfusion-decellularization
#14
Giorgio Giatsidis, Jacques P Guyette, Harald C Ott, Dennis P Orgill
In reconstructive surgery, transfer of patients' tissue (autologous flaps) is routinely used to repair large soft tissue defects caused by surgery, trauma, chronic diseases, or malformations; unfortunately, this strategy is not always possible and often creates a secondary defect in the donor site of the tissue. Tissue-engineered synthetic flaps are currently unable to repair clinically-relevant, large-volume defects; allogenic flaps from cadaveric donors could provide a ready-to-use biological alternative if treated with methods to avoid the immune-rejection of the donor's cells...
April 4, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29603518/wound-swab-and-wound-biopsy-yield-similar-culture-results
#15
Marieke Haalboom, Miriam H E Blokhuis-Arkes, Roland J Beuk, Rob Klont, Georg Guebitz, Andrea Heinzle, Job van der Palen
The question remains whether wound swabs yield similar culture results to the traditional gold standard, biopsies. Swabs are not invasive and easy to perform. However, they are believed to capture microorganisms from the surface rather than microorganisms that have invaded tissue. Several studies compared swabs and biopsies using different populations and sampling methods, complicating the ability to draw conclusions for clinical practice. This study aimed to compare swab and biopsy in clinical practice, by including a variety of wounds and using standard sampling and culture procedures...
March 30, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29569418/monitoring-of-ph-and-temperature-of-neuropathic-diabetic-and-nondiabetic-foot-ulcers-for-12-weeks-an-observational-study
#16
Georgina Gethin, Gerard M O'Connor, Jaynal Abedin, John Newell, Louisa Flynn, David Watterson, Aorghus O'Loughlin
Wound bed assessment is largely reliant on subjective interpretation without recourse to objective tools or biomarkers. The identification of a point of care, reliable biomarker would enhance assessment and ultimately clinical decision making. Two potentially emerging wound biomarkers exist: surface pH and surface temperature. To date, knowledge of their use has been predominantly in wound prevention, in vitro studies and single time measurements. Our objective was to determine surface pH, size, and surface temperature in noninfected, neuropathic foot ulcers at baseline and at 12 weeks...
March 22, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29528167/silver-oxysalts-promote-cutaneous-wound-healing-independent-of-infection
#17
Helen A Thomason, Jodie M Lovett, Carla J Spina, Christian Stephenson, Andrew J McBain, Matthew J Hardman
Chronic wounds often exist in a heightened state of inflammation whereby excessive inflammatory cells release high levels of proteases and reactive oxygen species (ROS). While low levels of ROS play a fundamental role in the regulation of normal wound healing, their levels need to be tightly regulated to prevent a hostile wound environment resulting from excessive levels of ROS. Infection amplifies the inflammatory response, augmenting levels of ROS which creates additional tissue damage that supports microbial growth...
March 12, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29524350/changes-in-pge2-signaling-after-submandibulectomy-alter-post-tooth-extraction-socket-healing
#18
Claudia Ester Mohn, Gastón Rodolfo Troncoso, Clarisa Bozzini, María Inés Conti, Javier Fernandez Solari, Juan Carlos Elverdin
Saliva is very important to oral health, and a salivary deficit has been shown to bring serious problems to oral health. There is scant information about the mechanisms through which salivary glands participate in post-tooth extraction socket healing. Therefore, the aim of the present study was to investigate the effect of submandibulectomy (SMx), consisting of the ablation of submandibular and sublingual glands (SMG and SLG, respectively), on PGE2 signaling and other bone regulatory molecules, such as OPG and RANKL, involved in tooth extraction socket healing...
March 10, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29524343/translation-and-validation-of-the-chinese-powerlessness-assessment-tool
#19
Yao Huang, YueLai Yang, Pengwen Ni, Xian Xiao, JunNa Ye, Gang Kui, Ting Xie
The objectives of this study were to translate the powerlessness assessment tool (PAT) into Chinese, and to evaluate its psychometric performance. The PAT was translated into Chinese and was evaluated in patients with chronic wounds. Mean PAT scores were compared between various wound types to evaluate the scale's power to differentiate wound severity (PUSH score). There were 154 consecutive patients included in this study. All items were included, and the results of item-domain correlation (r ranged from 0...
March 10, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29668125/30-th-annual-meeting-of-the-wound-healing-society-sawc-spring-whs-joint-meeting-charlotte-convention-center-charlotte-north-carolina-usa-april-25-29-2018
#20
(no author information available yet)
No abstract text is available yet for this article.
January 2018: Wound Repair and Regeneration
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