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skin repair

Daniel Pollack
A 55-year-old man with poliomyelitis presented with a plantarflexed foot and painful ulceration of the sub-first metatarsophalangeal joint present for many years. A two-stage procedure was performed to bring the foot to 90°, perpendicular to the leg, and resolve the ulceration. The first stage corrected only soft-tissue components. It involved using a hydrosurgery system to debride and prepare the ulcer, a unilobed rotational skin plasty to close the ulcer, and a tendo Achillis lengthening to decrease forefoot pressure...
January 2018: Journal of the American Podiatric Medical Association
Alexandros Mallios, William Jennings, Benoit Boura, Alessandro Costanzo, Myriam Combes
Skin necrosis overlying an arteriovenous fistula at the cannulation site is a common and potentially life-threatening problem, often associated with underlying aneurysm formation. Arteriovenous fistula-skin necrosis generally requires resection of surrounding skin margins and the underlying aneurysmal vessel wall, allowing repair with healthy tissue of the arteriovenous fistula in addition to closure of soft tissue and skin. In patients with insufficient fistula length, salvage of these arteriovenous fistulas may result in difficult or insurmountable cannulation issues leading to attempts at one-needle cannulation dialysis or, most often, catheter placement...
March 1, 2018: Journal of Vascular Access
Scott S Short, Brian T Bucher, Douglas C Barnhart, Nadia Van Der Watt, Sarah Zobell, Ashley Allen, Michael D Rollins
PURPOSE: We sought to examine the short-term outcomes following single-stage repair of rectoperineal and rectovestibular fistulae in infants and identify risk factors for wound complication. METHODS: Patients with a rectoperineal or rectovestibular fistula treated with a single-stage repair beyond the neonatal period (>30days of age) at a pediatric colorectal center (2011-2016) were reviewed. RESULTS: 36 patients with a rectoperineal and 7 patients with a rectovestibular fistula were repaired using the Posterior Sagittal Anorectoplasty (PSARP) approach...
February 12, 2018: Journal of Pediatric Surgery
Sheng Yan, Hangyan Shi, Da Chen, Jincai Guo, Yi Sun, Sufan Wu
The reconstruction of large full-thickness scalp defects remains a surgical challenge, especially when the skull is exposed completely without periosteum. Surgical technique options for wound coverage have included tissue expansion, skin grafting, local or regional flaps, and microvascular free tissue transfer. In recent years, some authors have reported to use biological material as an alternative for repairing complex wounds. The authors report the successful reconstruction of a large defect with bare skull in bilateral temporal regions of a 3-year-old child...
March 14, 2018: Journal of Craniofacial Surgery
Marie C Matrka, Katherine A Cimperman, Sarah R Haas, Geraldine Guasch, Lisa A Ehrman, Ronald R Waclaw, Kakajan Komurov, Adam Lane, Kathryn A Wikenheiser-Brokamp, Susanne I Wells
Esophageal cancer occurs as either squamous cell carcinoma (ESCC) or adenocarcinoma. ESCCs comprise almost 90% of cases worldwide, and recur with a less than 15% five-year survival rate despite available treatments. The identification of new ESCC drivers and therapeutic targets is critical for improving outcomes. Here we report that expression of the human DEK oncogene is strongly upregulated in esophageal SCC based on data in the cancer genome atlas (TCGA). DEK is a chromatin-associated protein with important roles in several nuclear processes including gene transcription, epigenetics, and DNA repair...
March 14, 2018: PLoS Genetics
Zhi Li, Elizabeth Gothard, Mark C Coles, Carrie A Ambler
In skin wounds, innate-immune cells clear up tissue debris and microbial contamination, and also secrete cytokines and other growth factors that impact repair process such as re-epithelialization and wound closure. After injury, there is a rapid influx and efflux of immune cells at wound sites, yet the function of each innate cell population in skin repair is still under investigation. Flow cytometry is a valuable research tool for detecting and quantifying immune cells; however, in mouse back skin, the difficulty in extracting immune cells from small area of skin due to tissue complexity has made cytometric analysis an underutilized tool...
2018: Frontiers in Immunology
Peter van Balen, Boris van der Zouwen, Alwine B Kruisselbrink, Matthijs Eefting, Karoly Szuhai, Ekaterina S Jordanova, J H F Falkenburg, Inge Jedema
Introduction: Conditioning regimens preceding allogeneic stem cell transplantation (alloSCT) can cause tissue damage and acceleration of the development of graft-versus-host disease (GVHD). T-cell-depleted alloSCT with postponed donor lymphocyte infusion (DLI) may reduce GVHD, because tissue injury can be restored at the time of DLI. In this study, we investigated the presence of tissue injury and inflammation in skin during the period of hematologic recovery and immune reconstitution after alloSCT...
2018: Frontiers in Immunology
Magdalena Izdebska, Marta Hałas-Wiśniewska, Iwona Adamczyk, Ismena Lewandowska, Iga Kwiatkowska, Maciej Gagat, Alina Grzanka
BACKGROUND: Niacinamide is a stable and water-soluble form of vitamin B3, a valuable and versatile cosmetic ingredient, which is well absorbed and tolerated by the skin. A large body of literature has reported on the antioxidant and cell repair properties of niacinamide. Therefore, it has been shown to be useful in the protection of the skin against ultraviolet B (UVB) radiation and free radicals. Despite numerous hypotheses on the mechanism of vitamin B3, its protective effects have not yet been fully elucidated...
March 13, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
A Wollenberg, R Fölster-Holst, M Saint Aroman, F Sampogna, C Vestergaard
Atopic dermatitis (AD) is a common, highly pruritic, chronic inflammatory skin disease. Dysfunction of the epidermal barrier is witnessed by an increased transepidermal water loss in lesional and non-lesional AD skin. The inflammation in lesional AD skin is well characterized. Non-lesional skin of AD patients shows histological signs of a subclinical inflammation and a pro-inflammatory cytokine milieu. This microinflammation is present even in seemingly healed skin and must be taken into account regarding treatment of AD...
April 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
Yue Pan, Xi-Xun Wang, Ji-Chao Hu, Cheng Jin, Yong Wei, Jun Lei, Guo-Qing Wang
OBJECTIVE: To investigate the clinical effect of repairing soft tissue defect after hand wound using reverse island skin flap of upper carpal cutaneous branches of ulnar artery. METHODS: From June 2010 to November 2016, 12 patients with hand soft tissue defects were repaired by reverse island skin flap of upper carpal cutaneous branches of ulnar artery, including 9 males and 3 females with an average age of (35.2±9.4) years old ranging from 22 to 58 years. The defect area varied from 7...
January 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
A J Perez, I N Haskins, A S Prabhu, D M Krpata, C Tu, S Rosenblatt, K Hashimoto, T Diago, B Eghtesad, M L J Rosen
Background: Umbilical hernias are common in patients with end-stage liver disease undergoing liver transplantation. Management of those persisting at the time of liver transplantation is important to define. Objective: To evaluate the long-term results of patients undergoing simultaneous primary umbilical hernia repair (UHR) at the time of liver transplantation at a single institution. Methods: Retrospective chart review was performed on patients undergoing simultaneous UHR and liver transplantation from 2010 through 2016...
2018: International Journal of Organ Transplantation Medicine
Meletis Rozis, Ioannis Benetos, Panagiotis Karampinas, Vasilios Polyzois, John Vlamis, Spyros Pneumaticos
BACKGROUND: Conservative treatment of an acute Achilles rupture remains a viable and acceptable option as does surgical fixation, with open and percutaneous repair consisting the main operative techniques. The purpose of this study was to compare the outcomes and complication rates of open versus percutaneous surgical procedures. METHODS: From 2009 to 2016, 131 patients were admitted to our department with clinically and radiologically confirmed acute Achilles tendon ruptures...
March 1, 2018: Foot & Ankle International
V Krishnan, N J Patel, J G Mackrell, S A Sweetana, H Bullock, Y L Ma, T H Waterhouse, B C Yaden, J Henck, Q Q Zeng, K Gavardinas, P Jadhav, A Saeed, P Garcia-Losada, D A Robins, C T Benson
We have identified a non-steroidal selective androgen receptor modulator (SARM), termed LY305, that is bioavailable through a transdermal route of administration while highly cleared via hepatic metabolism to limit parent compound exposure in the liver. Selection of this compound and its transdermal formulation was based on the optimization of skin absorption properties using both in vitro and in vivo skin models that supported PBPK modeling for human PK predictions. This molecule is an agonist in perineal muscle while being a weak partial agonist in the androgenic tissues such as prostate...
March 12, 2018: Andrology
Zhongshan Liu, Daojiang Yu, Jianwei Xu, Xiujie Li, Xianyao Wang, Zhixu He, Tianlan Zhao
Irradiation-induced skin ulcers can be resultant from nuclear accident or reaction to radiation therapy of tumor and is intractable for healing. Human umbilical cord mesenchymal stem cells (hUC-MSCs) have been considered to be the potential therapeutic tools for tissue regeneration. However, the underlying mechanisms are still not well understood. This study aims to investigate the effects of hUC-MSCs on irradiation-induced skin ulcers healing and the related mechanisms. The ulcers were induced by irradiating the skin of adult SD rats...
March 7, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Jia Liu, Guoqiang Jiang, Ping Mao, Jing Zhang, Lin Zhang, Likun Liu, Jia Wang, Lawrence Owusu, Baoyin Ren, Yawei Tang, Weiling Li
Melanoma is a malignant skin cancer with considerable drug resistance. Increased expression of DNA repair genes have been reported in melanoma, and this contributes to chemotherapy resistance. GADD45A is involved in DNA repair, cell cycle arrest and apoptosis in response to physiologic or environmental stresses. In this study, we investigated the role of GADD45A in chemotherapy response. Firstly, the mRNA expression of profiled DNA repair genes in cisplatin-treated melanoma cells was detected by RT2 profilerTM PCR array...
March 7, 2018: Scientific Reports
Ana Beatris Rossi, Adeline Bacquey, Thérèse Nocera, Marie-Dominique Thouvenin
INTRODUCTION: Medical device repairing emollient creams (MDRECs) are designed to repair and protect the skin barrier. In this study, we examined the added clinical benefit and tolerability of a MDREC when used in association with a moderately potent topical corticosteroid (TCS) for adults with atopic dermatitis (AD). METHODS: This was an intra-individual randomized controlled trial in adults with moderate to severe AD (EudraCT no. 2014-002,194-10). Symmetrical lesions on each arm of the subjects were randomized to treatment for 10 days with twice-daily TCS (desonide) cream alone or with combined TCS + MDREC...
March 6, 2018: Dermatology and Therapy
D Lingeshwar, R Appadurai, Padmaja Challa, S U Sswedheni
Auricular reconstruction is an interdisciplinary approach where multiple specialties play a vital role in the treatment provided to the patient. This article provides a comprehensive interpretation of the process carried out for the fabrication of a custom-made prosthetic conformer for the management of postoperative contraction of a skin graft after ear reconstruction surgery-Brent stage III. The prosthesis is used as a precautionary measure and is simple, effective, and economical.
March 6, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
Sami Asfar
BACKGROUND: Post-hemorrhoidectomy anal stenosis though rare is very disturbing and devastating complication. Many surgical procedures have been described, but despite good results, many complications can ensue like flap necrosis, mucosal ectropion, and restenosis. OBJECTIVE: We report a new simple technique for repair of severe/moderate anal stenosis which requires no extensive flap mobilization or many sutures. PATIENTS AND INTERVENTIONS: This is a personal series of 65 patients treated over a period of 20 years...
March 5, 2018: World Journal of Surgery
Fereydoun Don Parsa, Justin Cheng, Michael S Hu, Leslie Kim, Nikki Castel, Alan A Parsa
The umbilicus is an important aesthetic landmark of the abdomen. It possesses a dual blood supply that allows it to survive either on its stalk if the skin surrounding the umbilicus is incised, or through the surrounding subdermal circulation if the stalk is transected. This is an important concept to consider in order to avoid umbilical ischemia and necrosis during abdominoplasty, especially if there is any past surgical history suggesting alteration to its blood supply. This case study depicts this importance and the importance of the use of delay in order to improve perfusion to the umbilicus prior to secondary abdominoplasty...
January 11, 2018: Aesthetic Surgery Journal
Xuekang Yang, Hui Zhao, Mengdong Liu, Yue Zhang, Qiaohua Chen, Zhiqiang Li, Juntao Han, Dahai Hu
The aim of this study was to describe the scheme, surgical procedures, and clinical outcomes for the early repair of deep wounds of the posterior talocrural region in extensively burned patients with a method combining a superficial temporal fascia free flap with thin split-skin grafting.From January 2013 to February 2016, 9 extensively burned patients with deep tissue defects of the posterior talocrural region were treated in our department (2 patients had bilateral deep tissue defects of the posterior talocrural region)...
January 2018: Medicine (Baltimore)
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