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https://www.readbyqxmd.com/read/28772654/optimizing-polymer-infusion-process-for-thin-ply-textile-composites-with-novel-matrix-system
#1
Somen K Bhudolia, Pavel Perrotey, Sunil C Joshi
For mass production of structural composites, use of different textile patterns, custom preforming, room temperature cure high performance polymers and simplistic manufacturing approaches are desired. Woven fabrics are widely used for infusion processes owing to their high permeability but their localised mechanical performance is affected due to inherent associated crimps. The current investigation deals with manufacturing low-weight textile carbon non-crimp fabrics (NCFs) composites with a room temperature cure epoxy and a novel liquid Methyl methacrylate (MMA) thermoplastic matrix, Elium(®)...
March 15, 2017: Materials
https://www.readbyqxmd.com/read/28717912/management-of-the-open-abdomen-after-liver-transplantation
#2
Christian Hobeika, Marc-Antoine Allard, Petru-Octav Bucur, Salima Naili, Antonio Sa Cunha, Daniel Cherqui, Denis Castaing, René Adam, Eric Vibert
INTRODUCTION: The optimal management of the open abdomen (OA) after liver transplantation (LT) is unclear. The negative pressure wound therapy (NPWT) has been shown to be safe and can increase the chance for early fascial closure in trauma or septic patients. However, little data are available on the specific setting of LT. We aimed to report our experience of OA after LT, marked by the recent use of NPWT. METHODS: All patients with postponed wall closure after LT, from 2002 to 2014, in a single institution were included and retrospectively analyzed...
July 17, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28671661/scalable-solution-processed-fabrication-strategy-for-high-performance-flexible-transparent-electrodes-with-embedded-metal-mesh
#3
Arshad Khan, Sangeon Lee, Taehee Jang, Ze Xiong, Cuiping Zhang, Jinyao Tang, L Jay Guo, Wen-Di Li
Here, the authors report the embedded metal-mesh transparent electrode (EMTE), a new transparent electrode (TE) with a metal mesh completely embedded in a polymer film. This paper also presents a low-cost, vacuum-free fabrication method for this novel TE; the approach combines lithography, electroplating, and imprint transfer (LEIT) processing. The embedded nature of the EMTEs offers many advantages, such as high surface smoothness, which is essential for organic electronic device production; superior mechanical stability during bending; favorable resistance to chemicals and moisture; and strong adhesion with plastic film...
June 23, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28502075/vacuum-assisted-wound-closure-and-mesh-mediated-fascial-traction-for-open-abdomen-therapy-a-systematic-review
#4
Stefan Acosta, Martin Björck, Ulf Petersson
BACKGROUND: The aim of this paper was to review the literature on vacuum-assisted wound closure and mesh-mediated fascial traction (VAWCM) in open abdomen therapy. It was designed as systematic review of observational studies. METHODS: A Pub Med, EMBASE and Cochrane search from 2007/01-2016/07 was performed combining the Medical Subject Headings "vacuum", "mesh-mediated fascial traction", "temporary abdominal closure", "delayed abdominal closure", "open abdomen", "abdominal compartment syndrome", "negative pressure wound therapy" or "vacuum assisted wound closure"...
May 14, 2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/28437804/-prognostic-factors-of-open-abdomen-treatment-in-visceral-surgery
#5
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...
June 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/28382564/intensive-care-and-health-outcomes-of-open-abdominal-treatment-long-term-results-of-vacuum-assisted-wound-closure-and-mesh-mediated-fascial-traction-vawcm
#6
A Willms, S Schaaf, R Schwab, I Richardsen, C Jänig, D Bieler, B Wagner, C Güsgen
PURPOSE: The study's purpose is to evaluate the long-term outcome after vacuum-assisted wound closure and mesh-mediated fascial traction (VAWCM) and to identify predictors of quality of life associated with intensive care. METHODS: Fifty-five patients who underwent open abdomen management at our institution from 2006 to 2013 were prospectively enrolled in this study. After a median follow-up period of 3.8 years, 27 patients completed the 36-Item Short Form Survey (SF-36) quality of life questionnaire...
May 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28345854/flexible-p-doped-carbon-cloth-vacuum-sealed-preparation-and-enhanced-na-storage-properties-as-binder-free-anode-for-sodium-ion-batteries
#7
Hong-Yan Lü, Xiao-Hua Zhang, Fang Wan, Dao-Sheng Liu, Chao-Ying Fan, Huan-Mei Xu, Guang Wang, Xing-Long Wu
In this work, a flexible and self-supporting P-doped carbon cloth (FPCC), which is composed of interwoven mesh of hollow microtubules with porous carbon walls, is prepared via a vacuum-sealed doping technology by employing the commercially available cotton cloth as sustainable and scalable raw material. When directly used as binder-free anode for sodium-ion batteries, the as-prepared FPCC delivers superior Na-storage properties in terms of specific capacity up to 242.4 mA h g(-1), high initial Coulombic efficiency of ∼72%, excellent rate capabilities (e...
March 30, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28338592/open-abdomen-with-vacuum-assisted-wound-closure-and-mesh-mediated-fascial-traction-in-patients-with-complicated-diffuse-secondary-peritonitis-a-single-center-8-year-experience
#8
Matti Tolonen, Panu Mentula, Ville Sallinen, Suvi Rasilainen, Minna Bäcklund, Ari Leppäniemi
BACKGROUND: Open abdomen (OA) treatment in patients with peritonitis is increasing worldwide. Various temporary abdominal closure devices are being used. This study included patients with complicated diffuse secondary peritonitis, OA, and vacuum-assisted wound closure and mesh-mediated fascial traction (VAWCM). The aim of this study was to describe mortality and major morbidity in terms of delayed primary fascial closure and enteroatmospheric fistula rates. METHODS: This was a single-academic-center retrospective study of consecutive patients with diffuse peritonitis, OA, and VAWCM between years 2008 and 2016...
June 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28325054/-the-use-of-negative-pressure-wound-therapy-in-the-fixation-of-split-thickness-skin-grafts
#9
J Ulianko, J Janek, Ľ Laca
INTRODUCTION: Negative pressure wound therapy is one of the latest methods of dealing with complicated healing wounds. It promotes granulation, mechanically attracts the edges of the wound, removes secretions, reduces the number of bacteria in the wound and reduces swelling. In addition to its use to start and enhance the healing process, this method is also important in the fixation of split-thickness skin grafts in non-ideal conditions. The goal of this article is to establish basic indications for negative pressure fixation of meshed split-thickness skin grafts in non-ideal conditions in the wound and to assess the impact of contamination of wounds on engraftment using vacuum therapy...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28151898/how-much-does-decompressive-laparotomy-reduce-the-mortality-rate-in-primary-abdominal-compartment-syndrome-a-single-center-prospective-study-on-66-patients
#10
Mircea Muresan, Simona Muresan, Klara Brinzaniuc, Septimiu Voidazan, Daniela Sala, Ovidiu Jimborean, Al Husseim Hussam, Tivadar Bara, Gabriel Popescu, Cristian Borz, Radu Neagoe
Contribution of decompressive laparotomy within the framework of the complex therapeutic algorithm of abdominal compartment syndrome (ACS) is cited with an extremely heterogeneous percentage in terms of survival. The purpose of this study was to present new data regarding contribution of each therapeutic step toward decreasing the mortality of this syndrome.This is a longitudinal prospective study including 134 patients with risk factors for ACS. The intra-abdominal pressure was measured every hour indirectly based on transvesical approach and the appearance of organ dysfunction...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28088938/clinical-analysis-of-54-cases-of-large-area-soft-tissue-avulsion-in-the-lower-limb
#11
Yu Chen, Lei Liu
OBJECTIVE: To assess the clinical curative effect of different treatment methods for large area avulsion injury in the lower limb. METHODS: Between January 2010 and December 2013, 54 patients with large area avulsion injury in the lower limb were treated in the trauma center of our hospital, including 34 males and 20 females with a mean age of 35.7 years (range, 16-65 years). The injury mechanism was traffic accident in 44 cases, hitting by heavy objects in 8 cases, and fall from height in 2 cases, involving 31 thighs, 19 legs and 4 feet involved...
December 1, 2016: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/27884322/vac-instillation-therapy-in-abdominal-mesh-exposure-a-novel-indication
#12
COMPARATIVE STUDY
Angela Garcia-Ruano, Esther Deleyto, Sebastian Garcia-Fernandez
BACKGROUND: Defects of the abdominal wall pose a problem for general surgeons that negatively affects patient prognosis. In cases of abdominal wall wound dehiscence and exposed abdominal mesh, conservative treatment has not been proven effective to date. We aimed to study patient outcomes in cases of abdominal wall wound dehiscence with mesh exposure treated with vacuum-assisted closure system with intermittent instillation (VAC-instillation) as a temporary cover to achieve wound closure...
December 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27870783/preperitoneal-suction-technique-to-secure-the-proper-mesh-position-during-laparoscopic-herniorrhaphy
#13
Nobutoshi Soeta, Takuro Saito, Fujio Ito, Mitsukazu Gotoh
PURPOSE: Dislocation of the mesh is 1 cause of recurrence after laparoscopic inguinal hernia repair (LIHR). Here, we propose a new procedure, the "preperitoneal cavity suction technique," to confirm mesh position during LIHR under a transabdominal preperitoneal approach (TAPP). PATIENTS AND METHODS: We developed the "preperitoneal cavity suction technique" during LIHR by TAPP, visualizing the mesh through the closed peritoneum by vacuuming up the carbon dioxide and effusion at the preperitoneal cavity using a suction tube inserted through the tunnel from a laterally placed trocar into the preperitoneal space...
December 2016: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/27702447/a-method-for-rapid-sampling-and-characterization-of-smokeless-powder-using-sorbent-coated-wire-mesh-and-direct-analysis-in-real-time-mass-spectrometry-dart-ms
#14
Frederick Li, Joseph Tice, Brian D Musselman, Adam B Hall
Improvised explosive devices (IEDs) are often used by terrorists and criminals to create public panic and destruction, necessitating rapid investigative information. However, backlogs in many forensic laboratories resulting in part from time-consuming GC-MS and LC-MS techniques prevent prompt analytical information. Direct analysis in real time - mass spectrometry (DART-MS) is a promising analytical technique that can address this challenge in the forensic science community by permitting rapid trace analysis of energetic materials...
September 2016: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/27628015/systematic-review-of-the-use-of-endo-luminal-topical-negative-pressure-in-oesophageal-leaks-and-perforations
#15
N J Newton, A Sharrock, R Rickard, M Mughal
Topical negative pressure is widely used in the management of superficial wounds. The use of this technology in the management of oesophageal perforations is becoming increasingly common. This systematic review aims to capture available evidence about its use in this setting. Medline and Embase were searched using MeSH terms and free text: esophageal perforation; esophageal injury; vacuum assisted closure; vacuum therapy device; esophagus; wounds penetrating; esophageal perforation; wound healing; negative pressure wound therapy...
February 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/27601035/abdominal-wall-integrity-after-open-abdomen-long-term-results-of-vacuum-assisted-wound-closure-and-mesh-mediated-fascial-traction-vawcm
#16
A Willms, S Schaaf, R Schwab, I Richardsen, D Bieler, B Wagner, C Güsgen
PURPOSE: The open abdomen has become a standard technique in the management of critically ill patients undergoing surgery for severe intra-abdominal conditions. Negative pressure and mesh-mediated fascial traction are commonly used and achieve low fistula rates and high fascial closure rates. In this study, long-term results of a standardised treatment approach are presented. METHODS: Fifty-five patients who underwent OA management for different indications at our institution from 2006 to 2013 were enrolled...
December 2016: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/27570621/well-promising-outcomes-with-vacuum-assisted-closure-in-an-infected-wound-following-laparotomy-a-case-report
#17
A Daskalaki, S Xenaki, M Venianaki, A Topalidou, E Athanasakis, E Chrysos, G Chalkiadakis
INTRODUCATION: Negative pressure wound therapy (NPWT) represents an alternative method to optimize conditions for wound healing. Delayed wound closure is a significant health problem, which is directly associated with pain and suffering from patient's aspect, as well with social and financial burden. PRESENTATION OF CASE: We report a case of vacuum-assisted wound therapy with hypertonic solution distillation and continuous negative pressure application, in an infected wound after laparotomy for incisional hernia reconstruction with mesh placement...
September 2016: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/27565062/long-term-outcomes-of-sandwich-ventral-hernia-repair-paired-with-hybrid-vacuum-assisted-closure
#18
Caitlin W Hicks, Katherine E Poruk, Pablo A Baltodano, Kevin C Soares, Said C Azoury, Carisa M Cooney, Peter Cornell, Frederic E Eckhauser
BACKGROUND: Sandwich ventral hernia repair (SVHR) may reduce ventral hernia recurrence rates, although with an increased risk of surgical site occurrences (SSOs) and surgical site infections (SSIs). Previously, we found that a modified negative pressure wound therapy (hybrid vacuum-assisted closure [HVAC]) system reduced SSOs and SSIs after ventral hernia repair. We aimed to describe our outcomes after SVHR paired with HVAC closure. METHODS: We conducted a 4-y retrospective review of all complex SVHRs (biologic mesh underlay and synthetic mesh overlay) with HVAC closure performed at our institution by a single surgeon...
August 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27547691/retrospective-analysis-of-a-vacm-vacuum-assisted-closure-and-mesh-mediated-fascial-traction-treatment-manual-for-temporary-abdominal-wall-closure-results-of-58-consecutive-patients
#19
Christian Beltzer, Alexander Eisenächer, Steffen Badendieck, Dietrich Doll, Markus Küper, Stefan Lenz, Björn Dirk Krapohl
INTRODUCTION: The optimal treatment concept for temporary abdominal closure (TAC) in critically ill visceral surgery patients with open abdomen (OA) continues to be unclear. The VACM (vacuum-assisted closure and mesh-mediated fascial traction) therapy seems to permit higher delayed primary fascial closure rates (FCR) than other TAC procedures. MATERIAL AND METHODS: Patients of our clinic (n=58) who were treated by application of a VAC/VACM treatment manual in the period from 2005 to 2008 were retrospectively analysed...
2016: GMS Interdisciplinary Plastic and Reconstructive Surgery DGPW
https://www.readbyqxmd.com/read/27541031/open-abdomen-treated-with-negative-pressure-wound-therapy-indications-management-and-survival
#20
A Seternes, L C Rekstad, S Mo, P Klepstad, D L Halvorsen, T Dahl, M Björck, A Wibe
BACKGROUND: Open abdomen treatment (OAT) is a significant burden for patients and is associated with considerable mortality. The primary aim of this study was to report survival and cause of mortality after OAT. Secondary aims were to evaluate length of stay (LOS) in intensive care unit (ICU) and in hospital, time to abdominal closure and major complications. METHODS: Retrospective review of prospectively registered patients undergoing OAT between October 2006 and June 2014 at Trondheim University Hospital, Norway...
January 2017: World Journal of Surgery
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