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Synthetic Mesh

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https://www.readbyqxmd.com/read/28299927/supramolecular-hydrogels-based-on-dna-self-assembly
#1
Yu Shao, Haoyang Jia, Tianyang Cao, Dongsheng Liu
Extracellular matrix (ECM) provides essential supports three dimensionally to the cells in living organs, including mechanical support and signal, nutrition, oxygen, and waste transportation. Thus, using hydrogels to mimic its function has attracted much attention in recent years, especially in tissue engineering, cell biology, and drug screening. However, a hydrogel system that can merit all parameters of the natural ECM is still a challenge. In the past decade, deoxyribonucleic acid (DNA) has arisen as an outstanding building material for the hydrogels, as it has unique properties compared to most synthetic or natural polymers, such as sequence designability, precise recognition, structural rigidity, and minimal toxicity...
March 16, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28280694/effectiveness-and-versatility-of-biological-prosthesis-in-transplanted-patients
#2
Giovanni Vennarecci, Gianluca Mascianà, Edoardo De Werra, Giovanni Battista Levi Sandri, Daniele Ferraro, Mirco Burocchi, Giovanni Tortorelli, Nicola Guglielmo, Giuseppe Maria Ettorre
AIM: To emphasize the effectiveness and versatility of prosthesis, and good tolerance by patients with incisional hernia (IH). METHODS: From December 2001 to February 2016, 270 liver transplantations were performed at San Camillo Hospital. IH occurred in 78 patients (28.8%). IH usually appeared early within the first year post-orthotopic liver transplantation. In the first era, fascial defect was repaired by primary closure for defects smaller than 2.5 cm or with synthetic mesh for greater defects...
February 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/28277472/transvaginal-repair-of-complex-rectovaginal-fistulas-using-the-porcine-urinary-bladder-matrix-as-an-augmenting-graft
#3
Hemikaa Devakumar, Neeraja Chandrasekaran, Alexandriah Alas, Laura Martin, G Willy Davila, Eric Hurtado
BACKGROUND: After the US Food and Drug Administration issued a safety warning concerning vaginal mesh implants in 2008, their use in correction of pelvic floor defects have decreased in the United States (http://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm479732.htm). However, we are still treating patients who have had complications associated with their use, rectovaginal fistulas (RVFs) being one of them. Rectovaginal fistulas are considered complex if greater than 2.5 cm, recurrent, associated with inflammatory bowel disease, or if they are proximal in location...
March 9, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28267602/management-of-urinary-incontinence-following-sub-urethral-sling-removal
#4
Nirmish Singla, Himanshu Aggarwal, Jeannine Foster, Feras Alhalabi, Gary E Lemack, Philippe E Zimmern
PURPOSE: To evaluate urinary incontinence outcomes following synthetic sub-urethral sling removal (SSR) in women. METHODS: We reviewed a prospectively-maintained database of 360 consecutive women who underwent transvaginal SSR from 2005-2015. We excluded patients with neurogenic bladder, non-synthetic or multiple slings, prior mesh for prolapse, concomitant surgery during sling excision, urethral erosion or fistula, post-operative retention, or <6 months follow-up...
March 3, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28266818/update-on-complications-of-synthetic-suburethral-slings
#5
Cristiano Mendes Gomes, Fabrício Leite Carvalho, Carlos Henrique Suzuki Bellucci, Thiago Souto Hemerly, Fábio Baracat, Jose de Bessa, Miguel Srougi, Homero Bruschini
Synthetic suburethral slings have become the most widely used technique for the surgical treatment of stress urinary incontinence. Despite its high success rates, significant complications have been reported including bleeding, urethral or bladder injury, urethral or bladder mesh erosion, intestinal perforation, vaginal extrusion of mesh, urinary tract infection, pain, urinary urgency and bladder outlet obstruction. Recent warnings from important regulatory agencies worldwide concerning safety issues of the use of mesh for urogynecological reconstruction have had a strong impact on patients as well as surgeons and manufacturers...
March 7, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28265733/major-complex-abdominal-wall-repair-in-contaminated-fields-with-use-of-a-non-cross-linked-biologic-mesh-a-dual-institutional-experience
#6
J J Atema, E J Furnée, Y Maeda, J Warusavitarne, P J Tanis, W A Bemelman, C J Vaizey, M A Boermeester
BACKGROUND: Data on the use of biologic mesh in abdominal wall repair in complex cases remain sparse. Aim of this study was to evaluate a non-cross-linked porcine acellular dermal matrix for repair of complex contaminated abdominal wall defects. METHODS: Retrospective observational cohort study of consecutive patients undergoing abdominal wall repair with use of Strattice™ Reconstructive Tissue Matrix (LifeCell Corporation, Oxford, UK) between January 2011 and February 2015 at two National Intestinal Failure Units...
March 6, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28263160/-reconstructive-breast-surgery-using-implant-and-mesh
#7
Lene Nyhøj Heidemann, Gudjon Leifur Gunnarsson, Camilla Bille, Jens Ahm Sørensen, Jørn Bo Thomsen
The demand for reconstructive surgery after therapeutic and prophylactic mastectomy is increasing. The hammock technique for breast reconstruction was introduced in 2001 and provides support for the implant using either biologically derived or synthetic mesh. The material is formed as a hammock in the lower pole of the reconstructed breast, and due to its supportive capabilities it has been found to shorten the time needed for reconstruction, decrease the risk of capsular contracture and leave a superior aesthetic result...
March 6, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28259784/multi-directional-mechanical-analysis-of-synthetic-scaffolds-for-hernia-repair
#8
Savannah Est, Madeleine Roen, Tingying Chi, Adrian Simien, Ryan M Castile, Dominic M Thompson, Jeffrey A Blatnik, Corey R Deeken, Spencer P Lake
Hernias remain one of the most common ailments to affect men and women worldwide. Surgical mesh materials were first used to reinforce hernia defects during surgery in the late 1950s (Laker, n.d.). Today, there are well over 50 prosthetic meshes available for hernia repair (Brown and Finch, 2010; Bryan et al., 2014; Hope and El-hayek, 2014). With the multitude of available options, surgeons are faced with the challenging task of optimizing mesh selection for each patient. If the mechanics of the mesh are not compatible with the surrounding tissue, mismatch can occur, which can lead to complications such as mesh failure and/or hernia recurrence...
February 9, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28252314/-current-state-of-transvaginal-meshes-by-resolution-of-pelvic-organ-prolapse
#9
J Jírová, M Pán
OBJECTIVE: Treatment of pelvic organs prolapse with transvaginal mesh kits represents nowadays a widespread surgical method, which partially replaced classic operations due to high success rate and low count of recurrences. Just like any other surgical method, the placement of transvaginal mesh is linked with occurrence of complications. In this article we attempt to review the more and less known facts about trans-vaginal meshes, their efficacy, count of recurrence and the spectrum of complications and we try to compare this technique with traditional surgical methods used to treat pelvic organs prolapse (without graft materials)...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28233069/hernia-repair-with-polypropylene-mesh-is-not-associated-with-an-increased-risk-of-autoimmune-disease-in-adult-men
#10
B Chughtai, D Thomas, J Mao, K Eilber, J Anger, J Q Clemens, A Sedrakyan
PURPOSE: Synthetic mesh for herniorrhaphy has been placed under critical observation regarding the potential association of mesh placement and the subsequent development of autoimmune diseases. We sought to evaluate whether there is a link between synthetic polypropylene mesh repairs and the subsequent development of systemic/autoimmune disorders (SAID). STUDY DESIGN: Adult men undergoing hernia repair with mesh between January 2008 and December 2009 in New York State were identified using International Classification of Diseases, Ninth Revision, Modification procedure codes and Current Procedural Terminology Coding System, Fourth Edition codes...
February 23, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28232645/iatrogenic-diaphragmatic-hernia-following-laparoscopic-left-colectomy-for-splenic-flexure-cancer-an-unusual-complication
#11
Paolo Dell'Abate, Elisa Bertocchi, Raffaele Dalla Valle, Lorenzo Viani, Paolo Del Rio, Mario Sianesi
Iatrogenic diaphragmatic hernia following laparoscopic left colectomy for splenic flexure cancer. An unusual complication Diaphragmatic hernias are a migration of abdominal structures into the thorax via a diaphragmatic defect; they may be classified as congenital or acquired and acquired hernias can be hiatal, traumatic or iatrogenic, generally complications of thoracic or abdominal surgery. We report a case of iatrogenic diaphragmatic hernia after a laparoscopic left colectomy for splenic flexure tumor; to our knowledge, in literature this case is the first reported...
November 3, 2016: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28223803/protein-nanocoatings-on-synthetic-polymeric-nanofibrous-membranes-designed-as-carriers-for-skin-cells
#12
Marketa Bacakova, Julia Pajorova, Denisa Stranska, Daniel Hadraba, Frantisek Lopot, Tomas Riedel, Eduard Brynda, Margit Zaloudkova, Lucie Bacakova
Protein-coated resorbable synthetic polymeric nanofibrous membranes are promising for the fabrication of advanced skin substitutes. We fabricated electrospun polylactic acid and poly(lactide-co-glycolic acid) nanofibrous membranes and coated them with fibrin or collagen I. Fibronectin was attached to a fibrin or collagen nanocoating, in order further to enhance the cell adhesion and spreading. Fibrin regularly formed a coating around individual nanofibers in the membranes, and also formed a thin noncontinuous nanofibrous mesh on top of the membranes...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28216296/cyclodextrin-modified-plla-parietal-reinforcement-implant-with-prolonged-antibacterial-activity
#13
G Vermet, S Degoutin, F Chai, M Maton, C Flores, C Neut, P E Danjou, B Martel, N Blanchemain
The use of textile meshes in hernia repair is widespread in visceral surgery. Though, mesh infection is a complication that may prolong the patient recovery period and consequently presents an impact on public health economy. Such concern can be avoided thanks to a local and extended antibiotic release on the operative site. In recent developments, poly-L-lactic acid (PLLA) has been used in complement of polyethyleneterephthalate (Dacron(®)) (PET) or polypropylene (PP) yarns in the manufacture of semi-resorbable parietal implants...
February 12, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28215734/clinical-experiences-with-the-use-of-ultrapro-%C3%A2-mesh-in-single-stage-direct-to-implant-immediate-postmastectomy-breast-reconstruction-in-102-patients-a-retrospective-cohort-study
#14
D Pukancsik, P Kelemen, G Gulyás, M Újhelyi, E Kovács, K Éles, N Mészáros, I Kenessey, P Pálházi, T Kovács, M Kásler, Z Mátrai
BACKGROUND: Acellular dermal matrices have been used for direct-to-implant (DTI) breast reconstruction (BR), eliminating the load of the lower pole skin envelope. However, the available allograft matrices add considerable health care costs. This study examined the long-term follow-up of synthetic ULTRAPRO(®) mesh as a low-cost potential alternative to biological matrices. PATIENTS AND METHODS: A retrospective cohort study was performed between January 2013 and January 2016, involved 112 early-stage breast cancer and/or BRCA 1/2 patients, and evaluated 189 immediate DTI BRs following skin-, areola- or nipple-sparing mastectomy using ULTRAPRO(®) mesh...
February 6, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28206682/cost-effectiveness-of-groin-hernia-repair-from-a-randomized-clinical-trial-comparing-commercial-versus-low-cost-mesh-in-a-low-income-country
#15
J Löfgren, A Matovu, A Wladis, C Ibingira, P Nordin, E Galiwango, B C Forsberg
BACKGROUND: Over 200 million people worldwide live with groin hernia and 20 million are operated on each year. In resource-scarce settings, the superior surgical technique using a synthetic mesh is not affordable. A low-cost alternative is needed. The objective of this study was to calculate and compare costs and cost-effectiveness of inguinal hernia mesh repair using a low-cost versus a commercial mesh in a rural setting in Uganda. METHODS: This is a cost-effectiveness analysis of a double-blinded RCT comparing outcomes from groin hernia mesh repair using a low-cost mesh and a commercially available mesh...
February 16, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28170080/mesh-fixation-with-glue-versus-suture-for-chronic-pain-and-recurrence-in-lichtenstein-inguinal-hernioplasty
#16
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/28161483/onlay-with-adhesive-use-compared-with-sublay-mesh-placement-in-ventral-hernia-repair-was-chevrel-right-an-americas-hernia-society-quality-collaborative-analysis
#17
Ivy N Haskins, Guy R Voeller, Nathaniel F Stoikes, David L Webb, Robert G Chandler, Sharon Phillips, Benjamin K Poulose, Michael J Rosen
BACKGROUND: The use of mesh during ventral hernia repair (VHR) is a well-accepted concept. However, the ideal location of mesh placement remains strongly debated. Although VHR with onlay mesh placement has historically been associated with a high rate of wound events, this surgical approach is technically less challenging than VHR with sublay mesh placement. The purpose of this study was to compare 30-day wound events after onlay mesh placement with adhesive fixation vs those after sublay mesh placement using the Americas Hernia Society Quality Collaborative database...
February 2, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28151808/techniques-for-abdominal-wall-reconstruction-in-intestinal-transplantation
#18
Gabriel E Gondolesi, Nicolás F Aguirre
PURPOSE OF REVIEW: One of the most important challenges in the intestinal (ITx) and multivisceral transplant (MVTx) is to achieve a successful abdominal wall closure. RECENT FINDINGS: A tension-free primary closure should be our aim. In most of the cases, we need to perform a component separation technique, alone or combined, to the use of a synthetic mesh. If those options are not feasible, the abdominal wall composite vascularized allograft transplant (AW-CVA) utilizing direct orthotopic vascularization can be considered...
February 1, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28118541/nonwoven-polymer-nanofiber-coatings-that-inhibit-quorum-sensing-in-staphylococcus-aureus-toward-new-nonbactericidal-approaches-to-infection-control
#19
Michael J Kratochvil, Tian Yang, Helen E Blackwell, David M Lynn
We report the fabrication and biological evaluation of nonwoven polymer nanofiber coatings that inhibit quorum sensing (QS) and virulence in the human pathogen Staphylococcus aureus. Our results demonstrate that macrocyclic peptide 1, a potent and synthetic nonbactericidal quorum sensing inhibitor (QSI) in S. aureus, can be loaded into degradable polymer nanofibers by electrospinning and that this approach can deposit QSI-loaded nanofiber coatings onto model nonwoven mesh substrates. The QSI was released over ∼3 weeks when these materials were incubated in physiological buffer, retained its biological activity, and strongly inhibited agr-based QS in a GFP reporter strain of S...
February 20, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/28102927/complex-abdominal-wall-reconstruction-in-the-setting-of-active-infection-and-contamination-a-systematic-review-of-hernia-and-fistula-recurrence-rates
#20
REVIEW
Jonathan D Hodgkinson, Yasuko Maeda, Cosimo A Leo, Janindra Warusavitarne, Carolynne J Vaizey
INTRODUCTION: Minimal evidence exists to guide the surgeon on the risk of complications when performing abdominal wall reconstruction (AWR) in the presence of active infection, contamination or enterocutaneous fistula. This study aims to establish the outcomes of contaminated complex AWR. METHODS: Analysis was conducted according to PRISMA guidelines. Systematic search of the MEDLINE, EMBASE and Pubmed databases was performed. Studies reporting exclusively on single-staged repair of contaminated complex AWR were included...
January 19, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
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