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https://www.readbyqxmd.com/read/29757569/pro-inflammatory-cytokines-and-metalloproteinase-activation-in-polypropylene-mesh-implant-in-rat-subcutaneous-tissue
#1
Elaine Bronzatto, Cássio Luis Zanettini Riccetto
AIMS AND OBJECTIVES: Polypropylene meshes have been increasingly adopted for correction of pelvic organ prolapse due to its lower recurrence rate when compared to surgeries without meshes. The study of the interaction of these materials with the host tissue may contribute to the development of materials with best biocompatibility and, consequently, less complication rates. MATERIALS AND METHODS: The present study compares the inflammatory reaction of standard-weight (SW) and lightweight (LW) meshes (72 g/m216g/m2 respectively), implanted in the abdomen of 20 adult rats, which were euthanized in four or 30 days...
April 30, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29756281/lightweight-highly-permeable-biocompatible-and-antiadhesive-composite-meshes-for-intraperitoneal-repairs
#2
Minhui Hu, Xidong Lin, Rongkang Huang, Keli Yang, Yeru Liang, Xingcai Zhang, Hui Wang, Dingcai Wu
Ventral hernia is a public health issue and millions of meshes are used to repair abdominal wall defects every year. Polypropylene-based composite meshes represent an important class of materials for intraperitoneal repair, but the meshes generally give rise to infection, seroma, migration, and adhesion, leading to severe consequence or even reoperation. Here, a facile and versatile one-way fabrication of lightweight, highly permeable, and biocompatible composite meshes with superior antiadhesion properties is proposed by modifying polypropylene meshes with well-defined polydopamine nanocoating...
May 14, 2018: Macromolecular Bioscience
https://www.readbyqxmd.com/read/29688866/does-the-use-of-hernia-mesh-in-surgical-inguinal-hernia-repairs-cause-male-infertility-a-systematic-review-and-descriptive-analysis
#3
REVIEW
Zhiyong Dong, Stacy Ann Kujawa, Cunchuan Wang, Hong Zhao
OBJECTIVE: The aim of this study was to systematically review the available clinical trials examining male infertility after inguinal hernias were repaired using mesh procedures. METHODS: The Cochrane Library, PubMed, Embase, Web of Science, and Chinese Biomedical Medicine Database were investigated. The Jada score was used to evaluate the quality of the studies, "Oxford Centre for Evidence-based Medicine-Levels of Evidence" was used to assess the level of the trials, and descriptive analysis was used to evaluate the studies...
April 23, 2018: Reproductive Health
https://www.readbyqxmd.com/read/29649163/physio-microstructural-properties-of-aerated-cement-slurry-for-lightweight-structures
#4
Areej T Almalkawi, Talal Salem, Sameer Hamadna, A G N D Darsanasiri, Parviz Soroushian, Anagi Balchandra, Ghassan Al-Chaar
Cementitious composites, including ferrocement and continuous fiber reinforced cement, are increasingly considered for building construction and repair. One alternative in processing of these composites is to infiltrate the reinforcement (continuous fibers or chicken mesh) with a flowable cementitious slurry. The relatively high density of cementitious binders, when compared with polymeric binders, are a setback in efforts to introduce cementitious composites as lower-cost, fire-resistant, and durable alternatives to polymer composites...
April 12, 2018: Materials
https://www.readbyqxmd.com/read/29643952/parastomal-hernia-current-knowledge-and-treatment
#5
REVIEW
Roman Styliński, Adam Alzubedi, Sławomir Rudzki
Intestinal stoma creation is one of the most common surgical procedures. The most common long-term complication following stoma creation is parastomal hernia, which according to some authors is practically unavoidable. Statistical differences of its occurrence are mainly due to patient observation time and evaluation criteria. Consequently, primary prevention methods such as placement of prosthetic mesh and newly developed minimally invasive methods of stoma creation are used. It seems that in the light of evidence-based medicine, the best way to treat parastomal hernia is the one that the surgeon undertaking therapy is the most experienced in and is suited to the individuality of each patient, his condition and comorbidities...
March 2018: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/29444215/long-term-outcomes-of-laparoscopic-large-hiatus-hernia-repair-with-nonabsorbable-mesh
#6
A C Gordon, C Gillespie, J Son, T Polhill, S Leibman, G S Smith
The use of mesh to augment suture repair of large hiatus hernias remains controversial. Repair with mesh may help reduce the recurrence rate of primary repair, but concerns about the potential for serious complications, such as mesh erosion or stricturing, continue to limit its use. We aim to evaluate the long-term outcome of primary hiatus hernia repair with lightweight polypropylene mesh (TiMesh) specifically looking at rates of clinical recurrence, dysphagia, and mesh-related complications. From a prospectively maintained database, 50 consecutive patients who underwent elective primary laparoscopic hiatal hernia repair with TiMesh between January 2005 and December 2007 were identified...
February 9, 2018: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/29353339/chronic-pain-discomfort-quality-of-life-and-impact-on-sex-life-after-open-inguinal-hernia-mesh-repair-an-expertise-based-randomized-clinical-trial-comparing-lightweight-and-heavyweight-mesh
#7
M Rutegård, R Gümüsçü, G Stylianidis, P Nordin, E Nilsson, M M Haapamäki
PURPOSE: There is a paucity of high-quality evidence concerning mesh choice in open inguinal hernia repair. Using an expertise-based randomized clinical trial design, we aimed to evaluate the postoperative impact of two different mesh types on pain and discomfort, quality of life and sex life. METHODS: In two regional hospitals, male patients with primary inguinal hernia were randomized to one of two groups of surgeons that performed the Lichtenstein operation. One group of surgeons used a heavyweight polypropylene mesh (90 g/m2 , Bard™ Flatmesh, Davol) while the second group employed a lightweight mesh (28 g/m2 , ULTRAPRO™, Ethicon)...
January 20, 2018: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/29336753/randomized-clinical-trial-comparing-low-density-versus-high-density-meshes-in-patients-with-bilateral-inguinal-hernia
#8
RANDOMIZED CONTROLLED TRIAL
Jose Luis Porrero Carro, Sol Villar Riu, Beatriz Ramos Lojo, Lucia Latorre, Maria Teresa Alonso Garcia, Benito Alcaide Pardo, Oscar Bonachia Naranjo, Alberto Marcos Herrero, Carlos Sanchez Cabezudo, Esther Quiros Herreras
We present a randomized clinical trial to compare postoperative pain, complications, feeling of a foreign body, and recurrence between heavyweight and lightweight meshes in patients with bilateral groin hernia. Sixty-seven patients with bilateral hernia were included in our study. In each patient, the side of the lightweight mesh was decided by random numbers table. Pain score was measured by visual analogue scale, on 1st, 3rd, 5th, and 7th postoperative day, and one year after the surgery. There were no statistically significative differences between both meshes in postoperative complications...
December 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/29314586/novel-large-pore-lightweight-polypropylene-mesh-has-better-biocompatibility-for-rat-model-of-hernia
#9
Wangwang Qiu, Cheng Zhong, Rui Xu, Ting Zou, Fujun Wang, Youben Fan, Lu Wang, Zhili Yang
Abdominal wall hernias are repaired with tension-free prosthetic materials but there remains a foreign body response (FBR) to commonly used polypropylene mesh. Thus, we should optimize mesh materials to improve the patient outcomes after surgery. A polypropylene mesh was developed with wrap knitting technique. The physical, mechanical and biocompatible characteristics were tested in a rat abdominal hernia model and compared to ULTRAPRO and Easy Prosthesis. Polypropylene mesh of two pore sizes was developed (LP-WKPM and SP-WKPM)...
May 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29303810/higher-recurrence-rate-after-endoscopic-totally-extraperitoneal-tep-inguinal-hernia-repair-with-ultrapro-lightweight-mesh-5-year-results-of-a-randomized-controlled-trial-tulp-trial
#10
Marleen Roos, Wouter J Bakker, Nelleke Schouten, Charlotte Voorbrood, Geert Jan Clevers, Egbert Jan Verleisdonk, Paul Davids, Josephina Burgmans
OBJECTIVE: The aim of this study was to determine inguinal hernia recurrence rates 5 years after endoscopic totally extraperitoneal (TEP) inguinal hernia repair when either lightweight or heavyweight mesh was used. BACKGROUND: Recurrence is an important complication of inguinal hernia surgery. Higher recurrence rates of Ultrapro lightweight meshes after TEP repair have been demonstrated, yet data regarding long-term follow-up are limited. METHODS: From 2010 to 2012, 950 male adult patients with primary unilateral hernias were randomized to TEP hernia repair with heavyweight (Prolene) or lightweight (Ultrapro) mesh...
January 4, 2018: Annals of Surgery
https://www.readbyqxmd.com/read/29250512/comparison-of-partially-absorbable-lightweight-mesh-with-heavyweight-mesh-for-inguinal-hernia-repair-multicenter-randomized-study
#11
Seong Dae Lee, Taeil Son, Jae-Bum Lee, Yeon Soo Chang
Purpose: Prosthetic mesh is widely used for inguinal hernia repair; however, pain and stiffness can develop. This study was a prospective, multicenter, single-blind, randomized trial to assess postoperative pain and quality of life according to mesh type after inguinal hernia repair. Methods: Forty-seven patients who underwent Lichtenstein repair for unilateral inguinal hernia with prosthetic mesh were enrolled and randomly allocated to the partially-absorbable lightweight mesh (LW group, n = 24) or heavyweight mesh group (HW group, n = 23)...
December 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/29250511/efficacy-and-safety-of-a-novel-partially-absorbable-mesh-in-totally-extraperitoneal-hernia-repair
#12
Hsien Wen Yang, Sang Hee Kang, Sung Yeop Jung, Byung Wook Min, Sun Il Lee
Purpose: Partially absorbable mesh has been introduced and used for inguinal hernia repair for the purpose of minimizing pain and improving abdominal wall compliance. In this study, we evaluate the efficacy and safety of ProFlex mesh, a partially absorbed mesh with new structural architecture. Methods: We retrospectively reviewed 64 cases of totally extraperitoneal herniorrhapy (TEP) from January 2013 to December 2014 for their clinical features, including operation time, pain, postoperative complications, and recurrence...
December 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/29064900/use-of-prophylactic-mesh-when-creating-a-colostomy-does-not-prevent-parastomal-hernia-a-randomized-controlled-trial-stomamesh
#13
Christoffer Odensten, Karin Strigård, Jörgen Rutegård, Michael Dahlberg, Ulrika Ståhle, Ulf Gunnarsson, Pia Näsvall
OBJECTIVE: The aim of this study was to determine whether parastomal hernia (PSH) rate can be reduced by using synthetic mesh in the sublay position when constructing permanent end colostomy. The secondary aim was to investigate possible side-effects of the mesh. BACKGROUND: Prevention of PSH is important as it often causes discomfort and leakage from stoma dressing. Different methods of prevention have been tried, including several mesh techniques. The incidence of PSH is high; up to 78%...
October 23, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/29063325/comparative-study-of-sutureless-fixation-of-lightweight-surgical-meshes-for-hernia-repair-in-a-rat-model
#14
M V Anurov, G V Khachatrian, S M Titkova, P S Velangi, M D Polivoda, A P Oettinger
The aim of this study was to compare the efficacy of different methods of sutureless fixation of lightweight meshes made of different polymers for repair of experimental hernias. Two lateral hernia defects were modeled in male rats and covered with polyester and polypropylene prostheses. The meshes were fixed with Histacryl glue (group 1), or self-gripping meshes were used (group 2), or the meshes were implanted without fixation (group 3). On day 5 after surgery, mesh position and efficiency of fixation were evaluated...
October 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28975719/prospective-randomized-controlled-trial-comparing-partially-absorbable-lightweight-mesh-and-multifilament-polyester-anatomical-mesh-in-laparoscopic-inguinal-hernia-repair
#15
John Cc Wong, George Pc Yang, Tony Pp Cheung, Michael Kw Li
INTRODUCTION: Tension-free mesh repair is currently the gold standard treatment for inguinal hernia. Recent evidence has shown that both open and laparoscopic approaches to inguinal hernia repair can achieve good results. Lots of meshes with different properties are available on the market, but direct comparisons between them are scare. We conducted a prospective randomized controlled trial comparing a partially absorbable lightweight mesh (ULTRAPRO™) and a multifilament polyester anatomical mesh (Parietex™) in laparoscopic total extraperitoneal inguinal hernia repair...
October 4, 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28791610/pain-and-quality-of-life-after-inguinal-hernia-surgery-a-multicenter-randomized-controlled-trial-comparing-lightweight-vs-heavyweight-mesh-supermesh-study
#16
Stefano Bona, Riccardo Rosati, Enrico Opocher, Barbara Fiore, Marco Montorsi
Mesh repair has significantly reduced recurrence rate after groin hernia surgery. Recently, attention has shifted to issues such as chronic pain and discomfort, leading to development of lightweight and partially re-absorbable meshes. The aim of the study was to evaluate the effect of lightweight mesh vs heavyweight mesh on post-operative pain, discomfort and quality of life in short and medium term after inguinal hernia surgery. Eight hundred and eight patients with primary inguinal hernia were allocated to anterior repair (Lichtenstein technique) using a lightweight mesh (Ultrapro(®)) or a heavyweight mesh (Prolene(®))...
August 8, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28631901/-female-genital-prolapse-surgery-using-ultra-lightweight-polypropylene-mesh
#17
RANDOMIZED CONTROLLED TRIAL
V B Filimonov, R V Vasin, I V Vasina, A D Kaprin, A A Kostin
AIM: To compare the results of female genital prolapse (FGP) surgery via vaginal access using lightweight and ultra-lightweight polypropylene mesh. MATERIALS AND METHODS: From 2007 to 2011, 93 women aged from 46 to 71 years with II-IV stage FGP (POP-Q classification) were examined and underwent the vaginal extra-peritoneal colpopexy using polypropylene implants in the Department of Urology. Patients were divided into 2 groups. In patients of group 1 (n=50) the surgery was performed according to a newly developed technique using perforated ultra-lightweight (surface density 19 g/m2) domestically manufactured polypropylene implant...
June 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28541833/novel-hybrid-composite-discharge-electrode-for-electrostatic-precipitator
#18
M Ali, K Alam, Y T A Al-Majali, M Kennedy
Over the last few decades, electrostatic precipitators (ESPs) 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 ESPs, 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 ESPs...
September 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
#19
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...
January 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28218406/randomized-clinical-trial-of-mesh-fixation-with-glue-or-sutures-for-lichtenstein-hernia-repair
#20
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
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