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https://www.readbyqxmd.com/read/28541833/novel-hybrid-composite-discharge-electrode-for-electrostatic-precipitator
#1
M Ali, K Alam, Y T A Al-Majali, M Kennedy
Over the last few decades, electrostatic precipitators (ESP) have emerged as effective air pollution control devices for treating Coal-fired power plant exhausts. Among the components of the ESP, the discharge electrodes are extremely important in determining the collection efficiency of the ESP. Typically, in wet electrostatic precipitators, the discharge electrodes used must be made of corrosion resistant alloys, which makes them extremely expensive and heavy. Hybrid composite discharge electrodes have the potential to be lightweight and corrosion resistant substitute for traditional metal alloy electrodes used in wet electrostatic precipitators (WESP)...
May 25, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28431204/factors-that-affect-outcomes-of-prolapse-repair-using-single-incision-vaginal-mesh-procedures
#2
Hsiao-Yun Hsieh, Ching-Pei Tsai, Chih-Ku Liu, Pao-Sheng Shen, Yao-Ching Hung, Man-Jung Hung
AIMS: Single-incision vaginal mesh (SIVM) procedures for pelvic organ prolapse (POP) differed in mesh fabrication and implantation that may affect treatment outcomes. We aim to evaluate and compare the safety and effectiveness of two SIVM procedures, and explore factors that may have associations with surgical effectiveness. METHODS: Our data of using two SIVM procedures for a total (anterior and posterior) vaginal mesh repair were studied. Patients who had ≧stage 2 POP and underwent either Elevate (n = 85) using anchored, lightweight meshes or Prosima procedures (n = 95) using non-anchored, original meshes were assessed...
April 21, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28218406/randomized-clinical-trial-of-mesh-fixation-with-glue-or-sutures-for-lichtenstein-hernia-repair
#3
RANDOMIZED CONTROLLED TRIAL
C Hoyuela, M Juvany, F Carvajal, A Veres, D Troyano, M Trias, A Martrat, J Ardid, J Obiols, M López-Cano
BACKGROUND: Pain is the most likely reason for delay in resuming normal activities after groin hernia repair. The primary aim of this study was to determine whether the use of glue to fix the mesh instead of sutures reduced acute postoperative pain after inguinal hernia repair. Secondary objectives were to compare postoperative complications, chronic pain and early recurrence rates during 1-year follow-up. METHODS: Some 370 patients who underwent Lichtenstein hernia repair were randomized to receive either glue (Histoacryl®) or non-absorbable polypropylene sutures for fixation of lightweight polypropylene mesh...
May 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28186900/animating-wall-bounded-turbulent-smoke-via-filament-mesh-particle-particle-method
#4
Xiangyun Liao, Weixin Si, Zhiyong Yuan, Hanqiu Sun, Jing Qin, Qiong Wang, Pheng-Ann Heng
Turbulent vortices in smoke flows are crucial for a visually interesting appearance. Unfortunately, it is challenging to efficiently simulate these appealing effects in the framework of vortex filament methods. The vortex filaments in grids scheme allows to efficiently generate turbulent smoke with macroscopic vortical structures, but suffers from the projection-related dissipation, and thus the small-scale vortical structures under grid resolution are hard to capture. In addition, this scheme cannot be applied in wall-bounded turbulent smoke simulation, which requires efficiently handling smoke-obstacle interaction and creating vorticity at the obstacle boundary...
February 7, 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/28170080/mesh-fixation-with-glue-versus-suture-for-chronic-pain-and-recurrence-in-lichtenstein-inguinal-hernioplasty
#5
REVIEW
Ping Sun, Xiang Cheng, Shichang Deng, Qinggang Hu, Yi Sun, Qichang Zheng
BACKGROUND: Chronic pain following mesh-based inguinal hernia repair is frequently reported, and has a significant impact on quality of life. Whether mesh fixation with glue can reduce chronic pain without increasing the recurrence rate is still controversial. OBJECTIVES: To determine whether tissue adhesives can reduce postoperative complications, especially chronic pain, with no increase in recurrence rate, compared with sutures for mesh fixation in Lichtenstein hernia repair...
February 7, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27984848/long-term-outcome-after-laparoscopic-repair-of-primary-unilateral-inguinal-hernia-using-a-self-adhering-mesh
#6
Tim Tollens, Halit Topal, Alexander Lucardie, Koen Vermeiren, Chris Aelvoet, Kurt Devroe
Following our previous study about a lightweight self-adhering mesh (Adhesix®, Cousin Biotech, Wervicq-Sud, France; distributed by Davol Inc., subsidiary of C.R. Bard, Inc.), we report the long-term results with the use of this mesh in patients treated for a primary, unilateral inguinal hernia without any other hernias. Prospectively collected data of 100 patients between February 2011 and February 2014 were analyzed. The mean follow-up time was 2.7 years (range 1-4), and mean length of hospital stay was 0...
December 16, 2016: Surgical Technology International
https://www.readbyqxmd.com/read/27915384/male-infertility-following-inguinal-hernia-repair-a-systematic-review-and-pooled-analysis
#7
REVIEW
A Kordzadeh, M O Liu, N V Jayanthi
INTRODUCTION: The aim of this systematic review is to establish the clinical impact of open (mesh and/or without mesh) and laparoscopic hernia repair (transabdominal pre-peritoneal (TAP) and/or totally extra-peritoneal (TEP)) on male fertility. The incidence of male infertility following various types of inguinal hernia repair is currently unknown. The lack of high-quality evidence has led to various speculations, suggestions and reliance on anecdotal experience in the clinical practice...
February 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/27855958/prospective-multi-institutional-surgical-and-quality-of-life-outcomes-comparison-of-heavyweight-midweight-and-lightweight-mesh-in-open-ventral-hernia-repair
#8
MULTICENTER STUDY
Steven A Groene, Tanushree Prasad, Amy E Lincourt, Vedra A Augenstein, Ronald Sing, Brant Todd Heniford
BACKGROUND: Mesh choice in open ventral hernia repair (OVHR) remains controversial. Our aim was to analyze prospective outcomes among heavyweight, midweight, and lightweight (LW) mesh. METHODS: A study of the International Hernia Mesh Registry was performed for OVHR. Operative details, complications, recurrence, and quality of life (QOL) at 1, 6, 12, 24, and 36 months were evaluated. RESULTS: There were 549 OVHRs, 99 using heavyweight, 262 midweight, and 188 LW mesh...
December 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27846168/lightweight-titanium-coated-mesh-versus-standard-weight-polypropylene-mesh-in-totally-extraperitoneal-inguinal-hernia-repair-tep-a-cohort-analysis
#9
Dimitrios Prassas, Thomas-Marten Rolfs, Nishank Sirothia, Franz-Josef Schumacher
PURPOSE: The study objective is to compare the outcomes of laparoscopic to tally extraperitoneal repair using the standard-weight polypropylene mesh or a lightweight titanium-coated mesh. METHODS: A retrospective review was conducted on 138 adult patients with unilateral inguinal hernias, who underwent totally extraperitoneal inguinal hernia repair between 2010 and 2013 using either a standard-weight polypropylene mesh (Prolene mesh, 80 g/m) or a lightweight titanium-coated mesh (Ti Mesh light, 35 g/m)...
December 2016: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/27828820/preventing-parastomal-hernia-using-a-modified-sugarbaker-technique-with-composite-mesh-during-laparoscopic-abdominoperineal-resection-a-randomized-controlled-trial
#10
Manuel López-Cano, Xavier Serra-Aracils, Laura Mora, José Luis Sánchez-García, Luis Miguel Jiménez-Gómez, Marc Martí, Francesc Vallribera, Domenico Fraccalvieri, Anna Serracant, Esther Kreisler, Sebastiano Biondo, Eloy Espín, Salvador Navarro-Soto, Manuel Armengol-Carrasco
OBJECTIVE: The aim of this study was to assess the reduction in the incidence of parastomal hernia (PH) after placement of prophylactic synthetic mesh using a modified Sugarbaker technique when a permanent end-colostomy is needed. SUMMARY OF BACKGROUND DATA: Prevention of PH formation is crucial given the high prevalence of PH and difficulties in the surgical repair of PH. METHODS: A randomized, prospective, double-blind, and controlled trial...
December 2016: Annals of Surgery
https://www.readbyqxmd.com/read/27775524/homography-propagation-and-optimization-for-wide-baseline-street-image-interpolation
#11
Yongwei Nie, Zhensong Zhang, Hanqiu Sun, Tan Su, Guiqing Li
Wide-baseline street image interpolation is useful but very challenging. Existing approaches either rely on heavyweight 3D reconstruction or computationally intensive deep networks. We present a lightweight and efficient method which uses simple homography computing and refining operators to estimate piecewise smooth homographies between input views. To achieve the goal, we show how to combine homography fitting and homography propagation together based on reliable and unreliable superpixel discrimination. Such a combination, other than using homography fitting only, dramatically increases the accuracy and robustness of the estimated homographies...
October 19, 2016: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/27757549/adhesion-prevention-in-ventral-hernia-repair-an-experimental-study-comparing-three-lightweight-porous-meshes-recommended-for-intraperitoneal-use
#12
L D'Amore, F Ceci, S Mattia, M Fabbi, P Negro, F Gossetti
BACKGROUND: In ventral hernia repair, when prosthetic material is placed intraperitoneally, it may lead to an inflammatory reaction resulting in adhesions between the mesh and abdominal viscera. Several meshes have been developed to minimize this process. In this experimental study, the ability of different combined meshes to attenuate the adhesion formation was examined. METHODS: Three commercially available lightweight porous combined meshes were placed intraperitoneally to repair an abdominal wall defect in rats: DynaMesh-IPOM (PVDF + PP), TiMesh (titanium-coated filament PP) and C-QUR/FX (omega-3 fatty acid-coated filament PP)...
February 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/27667638/highly-stretchable-3d-architected-mechanical-metamaterials
#13
Yanhui Jiang, Qiming Wang
Soft materials featuring both 3D free-form architectures and high stretchability are highly desirable for a number of engineering applications ranging from cushion modulators, soft robots to stretchable electronics; however, both the manufacturing and fundamental mechanics are largely elusive. Here, we overcome the manufacturing difficulties and report a class of mechanical metamaterials that not only features 3D free-form lattice architectures but also poses ultrahigh reversible stretchability (strain > 414%), 4 times higher than that of the existing counterparts with the similar complexity of 3D architectures...
September 26, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27659697/minimally-invasive-sacrocolpopexy-how-to-avoid-short-and-long-term-complications
#14
REVIEW
Catherine A Matthews
Sacrocolpopexy remains the "gold standard" procedure for management of posthysterectomy vaginal vault prolapse with improved anatomic outcomes compared to native tissue vaginal repair. Despite absence of clinical data, sacrocolpopexy is increasingly being offered to women as a primary treatment intervention for uterine prolapse. While reoperation rates remain low, recurrent prolapse and vaginal mesh exposure appear to increase over time. The potential morbidity associated with sacrocolpopexy is higher than for native tissue vaginal repair with complications including sacral hemorrhage, discitis, small bowel obstruction, port site herniation, and mesh erosion...
November 2016: Current Urology Reports
https://www.readbyqxmd.com/read/27615441/extracellular-matrix-regenerative-graft-attenuates-the-negative-impact-of-polypropylene-prolapse-mesh-on-vagina%C3%A2-in-rhesus-macaque
#15
Rui Liang, Katrina Knight, William Barone, Robert W Powers, Alexis Nolfi, Stacy Palcsey, Steven Abramowitch, Pamela A Moalli
BACKGROUND: The use of wide pore lightweight polypropylene mesh to improve anatomical outcomes in the surgical repair of prolapse has been hampered by mesh complications. One of the prototype prolapse meshes has been found to negatively impact the vagina by inducing a decrease in smooth muscle volume and contractility and the degradation of key structural proteins (collagen and elastin), resulting in vaginal degeneration. Recently, bioscaffolds derived from extracellular matrix have been used to mediate tissue regeneration and have been widely adopted in tissue engineering applications...
February 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27515807/mesh-shrinkage-depends-on-mesh-properties-and-anchoring-device-an-experimental-long-term-study-in-sheep
#16
S Harsløf, N Zinther, T Harsløf, C Danielsen, P Wara, H Friis-Andersen
PURPOSE: The choice of mesh and anchoring device in laparoscopic ventral hernia repair is controversial. Clinically important long-term properties of mesh and anchoring device such as mesh shrinkage have been sparsely investigated. Furthermore, the effect of various anchoring devices on mesh properties has never been examined. METHODS: In 20 sheep, using laparoscopy, we inserted three PhysiomeshTM (large pore, lightweight) and three VentralightTMST (small pore, mediumweight), anchored with ProTackTM, SecurestrapTM or GlubranTM, respectively...
February 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/27471840/prophylactic-mesh-placement-during-formation-of-an-end-colostomy-reduces-the-rate-of-parastomal-hernia-short-term-results-of-the-dutch-prevent-trial
#17
Henk-Thijs Brandsma, Birgitta M E Hansson, Theo J Aufenacker, Dick van Geldere, Felix M V Lammeren, Chander Mahabier, Peter Makai, Pascal Steenvoorde, Tammo S de Vries Reilingh, Marinus J Wiezer, Johannes H W de Wilt, Robert P Bleichrodt, Camiel Rosman
OBJECTIVE: The aim of this study was to investigate the incidence of parastomal hernias (PSHs) after end-colostomy formation using a polypropylene mesh in a randomized controlled trial versus conventional colostomy formation. BACKGROUND: A PSH is the most frequent complication after stoma formation. Symptoms may range from mild abdominal pain to life-threatening obstruction and strangulation. The treatment of a PSH is notoriously difficult and recurrences up to 20% have been reported despite the use of mesh...
April 2017: Annals of Surgery
https://www.readbyqxmd.com/read/27403758/one-year-outcomes-after-minimally-invasive-sacrocolpopexy
#18
Kimberly Kenton, Elizabeth R Mueller, Christopher Tarney, Catherine Bresee, Jennifer T Anger
OBJECTIVE: The primary aim of this study was to report anatomic, symptom, and quality of life outcomes in women with symptomatic stage 2 or greater prolapse 1 year after randomization to robotic and laparoscopic sacrocolpopexy. METHODS: This is a planned ancillary analysis of the Abdominal Colpopexy: Comparison of Endoscopic Surgical Strategies trial, a randomized comparative effectiveness trial comparing costs and outcomes of robotic and laparoscopic sacrocolpopexy at 2 academic medical centers...
September 2016: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/27387221/-results-safety-and-patient-satisfaction-at-6-months-of-vaginal-anterior-wall-prolapse-surgery-by-transvaginal-repair-with-mesh-use
#19
M Denancé, E Quiboeuf, C Hocké
OBJECTIVE: To assess at 6 months the efficiency, the safety and the satisfaction of a lightweight polypropylene mesh used for the transvaginal repair of cystocele by bilateral anterior sacrospinous ligament fixation (NUVIA™ SI). MATERIEL AND METHODS: A prospective cohort study was performed from January 2014 to June 2015. Preoperative assessment included an evaluation using the Pelvic Organ Prolapse Quantification system (POP-Q) and 3 questionnaires about symptoms, quality of life and quality of sex life (PFDI-20, PFIQ7, PISQ-12)...
September 2016: Progrès en Urologie
https://www.readbyqxmd.com/read/27310955/immunological-reaction-and-oxidative-stress-after-light-or-heavy-polypropylene-mesh-implantation-in-inguinal-hernioplasty-a-consort-prospective-randomized-clinical-trial
#20
RANDOMIZED CONTROLLED TRIAL
Marcello Donati, Giovanna Brancato, Giuseppe Grosso, Giovanni Li Volti, Giuseppina La Camera, Francesco Cardì, Francesco Basile, Angelo Donati
UNLABELLED: The relationship between mesh weight and host tissue reaction has, so far, not been fully investigated. Lightweight meshes (LWM) are thought to give less inflammatory response compared with heavyweight meshes (HWM). The present study is a randomized, controlled, double-blind clinical trial performed in 61 patients who underwent an elective inguinal hernioplasty. The primary outcome of the study was to investigate the relationship between total amount of prosthetic material (polypropylene), immunological reaction, and oxidative stress...
June 2016: Medicine (Baltimore)
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