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lightweight mesh

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)...
October 18, 2016: Hernia: the Journal of Hernias and Abdominal Wall Surgery
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
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
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...
September 8, 2016: American Journal of Obstetrics and Gynecology
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...
August 11, 2016: Hernia: the Journal of Hernias and Abdominal Wall Surgery
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...
July 29, 2016: Annals of Surgery
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
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
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)
J-F Gillion, G Fromont, M Lepère, N Letoux, A Dabrowski, C Zaranis, C Barrat
PURPOSE: A case-control study was performed to compare laparoscopic ventral hernia repair (LVHR) using the Ventralight ST™ lightweight surgical mesh with LVHR using other types of mesh. METHODS: Adult patients undergoing intraperitoneal implantation of Ventralight ST™ during LVHR (Ventralight ST™ group; VG) over a 2-year period (2011-2013) were identified from the prospective French Hernia-Club registry. Patients undergoing elective LVHR using other types of intraperitoneal mesh in the first semester of 2013 formed the control group (CG)...
October 2016: Hernia: the Journal of Hernias and Abdominal Wall Surgery
Michelle Kelly, Katherine Macdougall, Oluwafisayo Olabisi, Neil McGuire
INTRODUCTION AND HYPOTHESIS: Polypropylene is a material that is commonly used to treat pelvic floor conditions such as pelvic organ prolapse (POP) and stress urinary incontinence (SUI). Owing to the nature of complications experienced by some patients implanted with either incontinence or prolapse meshes, the biocompatibility of polypropylene has recently been questioned. This literature review considers the in vivo response to polypropylene following implantation in animal models. The specific areas explored in this review are material selection, impact of anatomical location, and the structure, weight and size of polypropylene mesh types...
May 23, 2016: International Urogynecology Journal
Michel Prudhomme, Mathias Alline, John Chauvat, Pascale Fabbro-Perray, Jérémie Ripoche, Martin Marie Bertrand
BACKGROUND: Peristomal hernia (PH) is a common complication of colostomy. It often leads to a decrease in the patient's quality of life. Surgical procedures for PH are difficult and present high failure and morbidity rates. This randomized, double blind, multicentre trial was conducted to determine the benefits and risks of mesh reinforcement vs conventional stoma formation in preventing PH. METHODS: 200 patients undergoing a permanent end colostomy are randomized into two groups...
July 2016: Digestive and Liver Disease
Pradeep Prakash, Virinder Kumar Bansal, Mahesh Chandra Misra, Divya Babu, Rajesh Sagar, Asuri Krishna, Subodh Kumar, Vimi Rewari, Rajeshwari Subramaniam
BACKGROUND: The aim of our study was to compare chronic groin pain and quality of life (QOL) after laparoscopic lightweight (LW) and heavyweight (HW) mesh repair for groin hernia. MATERIALS AND METHODS: One hundred and forty adult patients with uncomplicated inguinal hernia were randomised into HW mesh group or LW mesh group. Return to activity, chronic groin pain and recurrence rates were assessed. Short form-36 v2 health survey was used for QOL analysis. RESULTS: One hundred and thirty-one completed follow-up of 3 months, 66 in HW mesh group and 65 in LW mesh group...
April 2016: Journal of Minimal Access Surgery
Georgios A Pierides, Hannu E Paajanen, Jaana H Vironen
INTRODUCTION: Chronic postherniorrhaphy pain is the foremost setback of today's inguinal hernia repair. Finding predictors for it affects implants, operative techniques and allows for preventive measures. METHODS: Prospectively collected data from 932 outpatient open inguinal hernia operations between 2003 and 2010 were subjected to regression analysis. Visual analogue scale score (VAS) at least a year after operation and a measurement of chronic pain at one year were the target variables...
May 2016: International Journal of Surgery
Karen Handojo, Diederik Meylemans, Kurt Devroe, Koen Vermeiren, Chris Aelvoet, Tim Tollens
INTRODUCTION: The Ultrapro® Advanced™ mesh (Ethicon, Sommerville, NJ) is a new mesh design, using the best characteristics from the previous platform, while adding new, advanced features. Our centre, Imelda Hospital, Bonheiden, Belgium, was chosen as one of the first clinical testing sites. The aim of this study was to present our preliminary data on complication rate and patient satisfaction. MATERIALS AND METHODS: From October 1, 2015 until January 31, 2016, we treated 57 patients, implementing 67 Ultrapro® Advanced™ meshes...
April 2016: Surgical Technology International
Manuel López-Cano, Xavier Serra-Aracil, 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...
March 8, 2016: Annals of Surgery
Priya Jeyaraj
INTRODUCTION: An ideal cranioplasty material is one which adequately restores calvarial continuity, contour and esthetics, provides adequate cerebral protection, is biocompatible and corrosion resistant, lightweight yet strong, easy to manipulate and possesses long term stability. The 3-D Titanium mesh implant fulfills most of these criteria, and offers certain added advantages, as exemplified in this case series. Four patients with post craniectomy osseous defects of varying sizes and at different locations of the calvarium were studied...
March 2016: Journal of Maxillofacial and Oral Surgery
Malek Tabbara, Laurent Genser, Manuela Bossi, Maxime Barat, Claude Polliand, Sergio Carandina, Christophe Barrat
To review our experience and outcomes after inguinal hernia repair using the lightweight self-adhering sutureless mesh "Adhesix™" and demonstrate the safety and efficacy of this mesh. This is a 3-year retrospective study that included 143 consecutive patients who underwent 149 inguinal hernia repairs at our department of surgery. All hernias were repaired using a modified Lichtenstein technique. Preoperative, perioperative, and postoperative data were prospectively collected. Incidence of chronic pain, postoperative complications, recurrence, and patient satisfaction were assessed three years postoperatively by conducting a telephone survey...
February 2016: American Surgeon
Christopher Maher, Benjamin Feiner, Kaven Baessler, Corina Christmann-Schmid, Nir Haya, Jane Marjoribanks
BACKGROUND: A wide variety of grafts have been introduced with the aim of improving the outcomes of traditional native tissue repair (colporrhaphy) for vaginal prolapse. OBJECTIVES: To determine the safety and effectiveness of transvaginal mesh or biological grafts compared to native tissue repair for vaginal prolapse. SEARCH METHODS: We searched the Cochrane Incontinence Group Specialised Register, which contains trials identified from the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, ongoing trials registers, and handsearching of journals and conference proceedings (6 July 2015)...
2016: Cochrane Database of Systematic Reviews
Josephina P J Burgmans, Charlotte E H Voorbrood, Rogier K J Simmermacher, Nelleke Schouten, Niels Smakman, GeertJan Clevers, Paul H P Davids, EgbertJan M M Verleisdonk, Marije E Hamaker, Johan F Lange, Thijs van Dalen
OBJECTIVE: The aim of the randomized clinical trial was to compare the 2 years of clinical outcomes of a lightweight (Ultrapro) vs a heavyweight (Prolene) mesh for laparoscopic total extraperitoneal (TEP) inguinal hernia repair. BACKGROUND: Lightweight meshes reduce postoperative pain and stiffness in open anterior inguinal hernia repair. The discussion about a similar benefit for laparoscopic repair is ongoing, but concerns exist about higher recurrence rates. METHODS: Between March 2010 and October 2012, male patients who presented with a primary, reducible unilateral inguinal hernia who underwent day-case TEP repair were eligible...
May 2016: Annals of Surgery
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