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https://www.readbyqxmd.com/read/28445317/timing-of-tourniquet-release-in-total-knee-arthroplasty-a-meta-analysis
#1
Pei Zhang, Yuan Liang, Jinshan He, Yongchao Fang, Pengtao Chen, Jingcheng Wang
BACKGROUND: For total knee arthroplasty (TKA), the tourniquet is routinely employed for better visualization, less blood loss, and easier cementation. However, the time to release tourniquet remains controversial. Therefore, we performed current meta-analysis to assess whether releasing tourniquet before wound closure is more effective in reducing blood loss than releasing tourniquet after wound closure in TKA without an increased risk of complications. METHODS: To conduct this meta-analysis, we searched Medline, Embase, Web of science, and the Cochrane library up to November 2016, for randomized controlled trials comparing tourniquet releasing before and after wound closure in TKA...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28443023/inhibition-of-vegf-and-angiopoietin-2-to-reduce-brain-metastases-of-breast-cancer-burden
#2
Kaci A Bohn, Chris E Adkins, Mohamed I Nounou, Paul R Lockman
For metastases in the central nervous system, angiogenesis enhances metastatic potential and promotes progression. Primary factors which drive vessel growth are vascular endothelial growth factor (VEGF) and angiopoietin-2. Preclinical models show inhibition of either factor reduces metastases spread and inhibits growth. This work sets out to answer two questions in a preclinical mouse model. First, whether the combined inhibition of VEGF and angiopoietin-2, reduces passive permeability and limits drug uptake into brain metastases; and second, whether this inhibition reduces metastases burden in brain...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28442838/wound-outcome-following-primary-and-delayed-primary-skin-closure-techniques-after-laparotomy-for-non-traumatic-ileal-perforation-a-randomized-clinical-trial
#3
Vivek Agrawal, Mohit Kumar Joshi, Ashish Kumar Gupta, Bhupendra Kumar Jain
To study the effect of primary and delayed primary closure of skin incision on wound outcome in patients with non-traumatic ileal perforation, 68 patients of ileal perforation were studied in a prospective randomized clinical trial. Patients fulfilling inclusion criteria were divided into ileostomy and non-ileostomy groups, both of which were then randomized into two subgroups each depending on whether skin was closed primarily or in a delayed primary manner. Wound infection and dehiscence were the main outcome parameters studied...
April 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28441303/surgical-techniques-for-closure-of-a-scalp-defect-after-resection-of-skin-malignancy
#4
Maciej Rysz, Dariusz Grzelecki, Maciej Mazurek, Stanisław Starościak, Romuald Krajewski
BACKGROUND: Surgery for scalp malignancies is aimed at the complete resection and a good aesthetic outcome. The goal was to develop an algorithm for scalp reconstruction based on the authors' surgical experience. METHODS: This is a retrospective analysis of 123 procedures of scalp malignancies in 105 patients. Twenty eight procedures were for resection of squamous cell carcinoma, 54 for basal cell carcinoma, and 41 for suspected melanomas. RESULTS: Primary closure (27 procedures), local flap (LF; 19), split-thickness skin graft (SG; 64), rotated LF and SG (9), and free vascularized flaps (4) were used...
May 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28441045/effects-of-topical-application-of-silver-sulfadiazine-cream-triple-antimicrobial-ointment-or-hyperosmolar-nanoemulsion-on-wound-healing-bacterial-load-and-exuberant-granulation-tissue-formation-in-bandaged-full-thickness-equine-skin-wounds
#5
Caroline C Gillespie Harmon, Jan F Hawkins, Jianming Li, Sean Connell, Margaret Miller, Megan Saenger, Lynetta J Freeman
OBJECTIVE To determine the effects of 3 topically applied treatments (1% silver sulfadiazine cream [SSC], triple antimicrobial ointment [TAO], and hyperosmolar nanoemulsion [HNE]) on microbial counts, exuberant granulation tissue (EGT) development, and reepithelialization of contaminated wounds at the distal aspect of the limbs of horses. ANIMALS 8 healthy adult horses. PROCEDURES A 2.5 × 2.5-cm, full-thickness, cutaneous wound was created at the dorsal aspect of each metacarpus and metatarsus (1 wound/limb/horse), covered with nonadhesive dressing, and bandaged...
May 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28438450/monocryl-and-dermabond-vs-staples-in-total-hip-arthroplasty-performed-through-a-lateral-skin-incision-a-randomized-controlled-trial-using-a-patient-centered-assessment-tool
#6
Raymond A Glennie, Abigail Korczak, Douglas D Naudie, Dianne M Bryant, James L Howard
BACKGROUND: There are various possible methods of skin closure in total hip arthroplasty (THA) through a lateral skin incision. The cost and time required for each can vary between techniques. The objective of this study was to determine whether there is a difference in patient and surgeon rating of scar outcome using a combination of subcuticular suture and skin adhesive (subcuticular MONOCRYL and DERMABOND [SMD]) vs staples for skin closure after THA. METHODS: Patients undergoing THA were recruited from a university hospital...
February 24, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28438400/arteriotomy-closure-devices-in-evar-tevar-and-tavr-a-systematic-review-and-meta-analysis-of-randomised-clinical-trials-and-cohort-studies
#7
REVIEW
B P Vierhout, R A Pol, M El Moumni, C J Zeebregts
OBJECTIVES: Cardiac and vascular surgery benefit from percutaneous interventions. Arteriotomy closure devices (ACDs) enable minimally invasive access to the common femoral artery (CFA). The objective of this review was to assess the differences between ACDs and surgical cut down (SCD) of the CFA regarding the number of complications, duration of surgery (DOS), and hospital length of stay (HLOS). DESIGN: A systematic literature search with predefined search terms was performed using MEDLINE, Embase, and the Cochrane Library (2000-2016)...
April 21, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28437804/-prognostic-factors-of-open-abdomen-treatment-in-visceral-surgery
#8
Martin W von Websky, Agnes Jedig, Arnulf Willms, Azin Jafari, Hanno Matthaei, Jörg C Kalff, Steffen Manekeller
Introduction In general surgery, open abdomen treatment (OAT) is used to treat abdominal compartment syndrome (ACS) and sepsis, often after a primary surgical procedure associated with complications. The results achieved in this patient population may depend on factors that are yet unknown. This study evaluates independent patient-related prognostic factors after OAT. Methods 38 clinical parameters and survival data of 165 consecutive general surgery patients after OAT were entered into a prospective database according to a defined algorithm in order to analyse the underlying surgical pathology, predictors of survival and important aspects of OAT-related morbidity...
April 24, 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/28436214/a-comparison-of-the-cost-of-primary-closure-or-rectus-abdominis-myocutaneous-flap-closure-of-the-perineum-after-abdominoperineal-excision
#9
John Woodfield, Michael Hulme-Moir, Jasen Ly
AIM: Perineal wound complications following abdominoperineal resection continue to be a major challenge.. The aim of this study was to compare the clinical outcomes and cost of primary closure (PC) and rectus abdominis myocutaneous flap reconstruction (RAM). METHOD: Retrospective case review of consecutive patients by one surgeon over 11 years. Patient demographics, risk factors, operative details and complications were identified. Inpatient and outpatient costs were calculated...
April 24, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28433514/cox-2-inhibition-potentiates-mouse-bone-marrow-stem-cell-engraftment-and-differentiation-mediated-wound-repair
#10
Ramasatyaveni Geesala, Neha R Dhoke, Amitava Das
BACKGROUND: Engraftment of transplanted stem cells is often limited by cytokine and noncytokine proinflammatory mediators at the injury site. We examined the role of Cyclooxygenase-2 (Cox-2)-induced cytokine-mediated inflammation on engraftment of transplanted bone marrow stem cells (BMSCs) at the wound site. METHODS: BMSCs isolated from male C57/BL6J mice were transplanted onto excisional splinting wounds in syngenic females in presence or absence of celecoxib, Cox-2 specific inhibitor (50 mg/kg, body weight [b wt]), to evaluate engraftment and wound closure...
April 19, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28428640/transforming-growth-factor-%C3%AE-plays-an-important-role-in-enhancing-wound-healing-by-topical-application-of-povidone-iodine
#11
Li Wang, Wenhan Qin, Yaying Zhou, Bin Chen, Xiaoqing Zhao, Hailin Zhao, Emma Mi, Ella Mi, Qingmei Wang, Jiaolin Ning
Povidone-iodine (PVI) is principally used as an antimicrobial agent. It has been found that 0.5% PVI can attenuate congestion, edema and pain induced by pressure sores. Thus this study aimed to assess the effects of 0.5% PVI on acute skin wounds. Four full-thickness excisional wounds were generated on the dorsal skin of male Sprague-Dawley rats with a 10-mm sterile punch. Two wounds were left untreated and the other two were dressed with gauze with 0.5% PVI for 1 hour per day for the first 5 days after injury...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28427103/saffron-flower-extract-promotes-scratch-wound-closure-of-keratinocytes-and-enhances-vegf-production
#12
Sheela Verjee, Eliane Garo, Sarah Pelaez, Orlando Fertig, Matthias Hamburger, Veronika Butterweck
During saffron (Crocus sativus) spice production, large amounts of floral biowaste are generated. It was the aim of this study to develop a value-added product from saffron floral biowaste to be used as a natural cosmetic ingredient. HPLC-PDA-MS analysis of saffron flower extracts revealed the presence of flavonols with the highest amounts in the acetone extract. Kaempferol-3-O-sophoroside was identified as the main flavonoid in the acetone extract (saffron flower acetone extract). Saffron flower acetone extract and kaempferol-3-O-sophoroside were tested in HaCaT cells for potential effects on cell migration, proliferation, and for anti-inflammatory properties...
April 20, 2017: Planta Medica
https://www.readbyqxmd.com/read/28426571/growth-differentiation-factor-5-accelerates-wound-closure-and-improves-skin-quality-during-repair-of-full-thickness-skin-defects
#13
Jennifer L Schiefer, Manuel Held, Paul C Fuchs, Erhan Demir, Frank Plöger, Hans-Eberhard Schaller, Afshin Rahmanian-Schwarz
BACKGROUND: A fast and stable wound closure is important, especially for extended and unstable wounds found after burn injuries. Growth can regulate a variety of cellular processes, including those involved in wound healing. Growth differentiation factor 5 (GDF-5) can accelerate fibroblast cell migration, cell proliferation, and collagen synthesis, which are essential for wound healing. Nevertheless, no standardized evaluation of the effect of GDF-5 on the healing of full-thickness wounds has been published to date...
May 2017: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/28425594/trilobed-pedicled-superior-gluteal-artery-perforator-flap-for-lumbosacral-defect-coverage
#14
Ji Min Kim, Jun Ho Lee, Deuk Young Oh, Suk-Ho Moon
BACKGROUND: There are many available options for the coverage of lumbosacral area defects. Surgeons usually use the superior gluteal artery perforator flap (SGAP) by rotational fashion, which risks complications, such as wound dehiscence or skin necrosis at the Y-point on the donor site due to the tension. In this report, the authors present the experience of using trilobed pedicled SGAP flaps in coverage of the lumbosacral area defects. METHODS: From 2011 to 2015, 16 trilobed pedicled SGAP flaps were performed for the coverage of sacral defects in our facility...
April 20, 2017: Microsurgery
https://www.readbyqxmd.com/read/28424908/delayed-closure-of-open-abdomen-in-septic-patients-treated-with-negative-pressure-wound-therapy-and-dynamic-fascial-suture-the-long-term-follow-up-study
#15
Anna Theresa Hofmann, Simone Gruber-Blum, Michael Lechner, Alexander Petter-Puchner, Karl Glaser, René Fortelny
INTRODUCTION: Negative pressure wound therapy (NPWT) is widely used in the treatment of open abdomen (OA). The use of dynamic fascial sutures (DFS) increases the rate of successful delayed closure by reducing fascial lateralization. We recently published a prospective controlled trial including 87 patients undergoing abdominal surgery for secondary peritonitis between 2007 and 2012. Patients were treated with NPWT and DFS for approximation of fascial edges. The present study represents a follow-up assessment of these patients 5-9 years after OA treatment with NPWT and DFS...
April 19, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28424411/migration-pattern-actin-cytoskeleton-organization-and-response-to-pi3k-mtor-and-hsp90-inhibition-of-glioblastoma-cells-with-different-invasive-capacities
#16
Simon Memmel, Dmitri Sisario, Caren Zöller, Vanessa Fiedler, Astrid Katzer, Robin Heiden, Nicholas Becker, Lorenz Eing, Fábio L R Ferreira, Heiko Zimmermann, Markus Sauer, Michael Flentje, Vladimir L Sukhorukov, Cholpon S Djuzenova
High invasiveness and resistance to chemo- and radiotherapy of glioblastoma multiforme (GBM) make it the most lethal brain tumor. Therefore, new treatment strategies for preventing migration and invasion of GBM cells are needed. Using two different migration assays, Western blotting, conventional and super-resolution (dSTORM) fluorescence microscopy we examine the effects of the dual PI3K/mTOR-inhibitor PI-103 alone and in combination with the Hsp90 inhibitor NVP-AUY922 and/or irradiation on the migration, expression of marker proteins, focal adhesions and F-actin cytoskeleton in two GBM cell lines (DK-MG and SNB19) markedly differing in their invasive capacity...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28424334/glycosaminoglycan-based-hydrogels-capture-inflammatory-chemokines-and-rescue-defective-wound-healing-in-mice
#17
Nadine Lohmann, Lucas Schirmer, Passant Atallah, Elke Wandel, Ruben A Ferrer, Carsten Werner, Jan C Simon, Sandra Franz, Uwe Freudenberg
Excessive production of inflammatory chemokines can cause chronic inflammation and thus impair cutaneous wound healing. Capturing chemokine signals using wound dressing materials may offer powerful new treatment modalities for chronic wounds. Here, a modular hydrogel based on end-functionalized star-shaped polyethylene glycol (starPEG) and derivatives of the glycosaminoglycan (GAG) heparin was customized for maximal chemokine sequestration. The material is shown to effectively scavenge the inflammatory chemokines MCP-1 (monocyte chemoattractant protein-1), IL-8 (interleukin-8), and MIP-1α (macrophage inflammatory protein-1α) and MIP-1β (macrophage inflammatory protein-1β) in wound fluids from patients suffering from chronic venous leg ulcers and to reduce the migratory activity of human monocytes and polymorphonuclear neutrophils...
April 19, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28424290/skin-derived-precursors-from-human-subjects-with-type-2-diabetes-yield-dysfunctional-vascular-smooth-muscle-cells
#18
Sarah Katherina Steinbach, Terrence M Yau, Maral Ouzounian, Husam Abdel-Qadir, Mark Chandy, Thomas Waddell, Mansoor Husain
Objective: Few methods enable molecular and cellular studies of vascular aging or type-2 diabetes (T2D). Here we report a new approach to studying human vascular smooth muscle cell (VSMC) pathophysiology by examining VSMCs differentiated from progenitors found in skin. Approach and Results: Skin-derived precursors (SKPs) were cultured from biopsies (N=164, ~1 cm(2)) taken from the edges of surgical incisions of older adults (N=158; males 72%; mean age 62.7±13 years) undergoing cardiothoracic surgery, and differentiated into VSMCs at high efficiency (>80% yield)...
April 19, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28423440/-results-after-distal-digital-replantation-is-it-worth-the-effort
#19
David Braig, Jan R Thiele, Vincenzo Penna, G Björn Stark, Steffen U Eisenhardt
There are only relative indications for distal digital replantation in zones 1 and 2 according to Tamai. In contrast to primary closure for fingertip amputations, replantation is a complex procedure that requires skills in supermicrosurgical techniques, as vessels with diameters between 0.3-0.8 mm are connected. In addition the time spent in hospital and the time off from work are longer. Distal digital replantation is thus only indicated, if the expected functional and aesthetic benefits surmount those of primary closure...
February 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28421182/tgf-%C3%AE-1-pretreatment-improves-the-function-of-mesenchymal-stem-cells-in-the-wound-bed
#20
Deepraj Ghosh, Daniel J McGrail, Michelle R Dawson
The wound healing process initiates after injury to a tissue and involves a series of orchestrated events to minimize the invasion of foreign matters such as bacteria and efficiently regenerate the damaged tissue. A variety of cells must be recruited to the tissue during wound healing. However, this process is severely disrupted in patients suffering from chronic illness, including diabetes, leading to impaired healing or non-healing wounds. Current avenues of treatment include negative-pressure therapy, wound debridement, growth factor replacement, and cell-based therapies...
2017: Frontiers in Cell and Developmental Biology
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