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polypropylene mesh

Yao Lu, Shaoju Fu, Shuanglin Zhou, Ge Chen, Chaoting Zhu, Nannan Li, Ying Ma
Composite mesh with different materials composition could compensate for the drawbacks brought by single component mesh. Coating a membrane layer on the surface of macroporous mesh is a common method for preparing composite medical mesh. Electrospinning and dipping methods were introduced to form the two kinds of membrane-coated PP meshes (electro-mesh and dip-mesh); several properties were measured based on subcutaneous implantation model in rat. The results revealed that continuous tissue ingrowth could be observed for electro-mesh only with evidences of strength increase (electro-mesh: 0 week - 13...
February 28, 2018: Journal of the Mechanical Behavior of Biomedical Materials
Julio Bissoli, Homero Bruschini
Pelvic organ prolapse (POP) has borrowed principles of treatment from hernia repair and in the last two decades we saw reinforcement materials to treat POP with good outcomes in terms of anatomy but with alarming complication rates. Polypropylene meshes to specifically treat POP have been withdrawn from market by manufactures and a blank space was left to be filled with new materials. Macroporous monofilament meshes are ideal candidates and electrospinning emerged as a reliable method capable of delivering production reproducibility and customization...
2018: International Journal of Biomaterials
Sergio Henrique Bastos Damous, George Felipe Bezerra Darce, Renato Silveira Leal, Adilson Rodrigues Costa, Pedro Henrique Alves Ferreira, Celso de Oliveira Bernini, Edivaldo Massazo Utiyama
INTRODUCTION: Severe injuries of the pancreatic head and duodenum in haemodynamically unstable patients are complex management. The purpose of this study is to report a case of complex pancreatic trauma induced by gunshot and managed with surgical approaches at three different times. PRESENTATION OF CASE: Exploratory laparotomy was indicated after initial emergency room care, with findings of cloudy blood-tinged fluid and blood clots on the mesentery near the hepatic angle, on the region of the 2nd portion of the duodenum and at the pancreatic head...
February 15, 2018: International Journal of Surgery Case Reports
Gabriele Böhm, Jürgen Groll, Karl-Heinz Heffels, Nicole Heussen, Peter Ink, Hamid Patrick Alizai, Ulf Peter Neumann, Reinhild Schnabel, Ursula Mirastschijski
Polypropylene meshes are standard for hernia repair. Matrix metalloproteinases play a central role in inflammation. To reduce the inflammatory response and improve remodelling with an associated reduction of hernia recurrence, we modified polypropylene meshes by nanofibre coating and saturation with the broad-spectrum matrix metalloproteinase inhibitor GM6001. The aim was to modulate the inflammatory reaction, increase collagen deposition and improve mesh biointegration. Polypropylene meshes were surface-modified with star-configured NCO-sP(EO -stat-PO) and covered with electrospun nanofibres (polypropylene-nano) and GM6001 (polypropylene-nano-GM)...
January 1, 2018: Journal of Biomaterials Applications
Alberto M L Caldeira, Kelly Carrión, John Jaulis
BACKGROUND: Abdominoplasty is the most frequently performed surgical procedure for body contour; in our experience, we have observed some patients with prominent bulging that is difficult to treat and that presents results that are unsatisfactory or have recurrences to conventional treatments. This leads us to carry out an analysis of the elements responsible for the containment and abdominal format. We determined that it may be due to an inability of an important sagging aponeurotic muscle of primary origin to support the abdomen and could be caused by predisposing factors...
February 20, 2018: Aesthetic Plastic Surgery
D Casella, G Di Taranto, M Marcasciano, S Sordi, A Kothari, T Kovacs, F Lo Torto, E Cigna, D Ribuffo, C Calabrese
BACKGROUND: Although demand for prophylactic mastectomy is increasing over time among women at a high risk for breast cancer, there is a paucity of studies on long term patient-reported outcomes after this procedure. METHODS: Between January 2011 and January 2015, 46 patients documented BRCA1/2 mutation carriers, eligible for prophylactic nipple-sparing mastectomy (NSM) and immediate breast prosthetic reconstruction were registered at our institutions. Patients underwent NSM and subcutaneous reconstruction with implant covered by a titanium-coated polypropylene mesh (TiLoop® )...
February 15, 2018: Breast: Official Journal of the European Society of Mastology
María Carmen Fernández-Moreno, Elena Martí-Cuñat, Guillermo Pou, Joaquín Ortega
BACKGROUND: Spigelian hernia (SH) is a rare entity, but its surgical treatment is essential because of its high complication risk. Laparoscopic approaches have become the option in elective surgery because it has less morbidity and requires a shorter stay. Several laparoscopic techniques have been employed, but there is no gold standard technique for this kind of hernia. We report, in this study, our experience with intraperitoneal onlay mesh (IPOM) repair. MATERIALS AND METHODS: Fifteen patients underwent elective surgery for SH between 2008 and 2015 in a Short-Stay Surgical Unit...
February 16, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
Jeffrey Chee Yean Chan, Krishna Burugapalli, Yi-Shiang Huang, Jack L Kelly, Abhay Pandit
Abdominal wall repair frequently utilizes either non-degradable or bio-degradable meshes, which are found to stimulate undesirable biological tissue responses or which possess suboptimal degradation rate. In this study, a biologic mesh prototype made from carbodiimide-cross-linked cholecyst-derived extracellular matrix (EDCxCEM) was compared with small intestinal submucosa (Surgisis®), cross-linked bovine pericardium (Peri-Guard®), and polypropylene (Prolene®) meshes in an in vivo rabbit model. The macroscopic appearance and stereological parameters of the meshes were evaluated...
February 16, 2018: Tissue Engineering. Part A
Berna Haliloglu Peker, Erdin Ilter, Hakan Peker, Aygen Celik, Ali Gursoy, Onur Gunaldi
STUDY OBJECTIVE: To demonstrate laparoscopic sacrohysteropexy for a case of uterine prolapse in a 12 weeks and 3 days pregnant woman. To our knowledge, this is the first case of laparoscopic sacrohysteropexy performed at 12th weeks of gestation to be reported in literature. DESIGN: A step-by-step explanation of the surgical procedure (Canadian Task Force classification III) SETTING: Uterine prolapse is very rare condition manifesting in an estimated 10000 to 15000 pregnancies (1)...
February 12, 2018: Journal of Minimally Invasive Gynecology
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
Sarah Shafaat, Naside Mangir, Sabiniano R Regureos, Christopher R Chapple, Sheila MacNeil
AIMS: Pelvic organ prolapse and stress urinary incontinence affect 40-50% of postmenopausal women worldwide. Polypropylene meshes have been extensively used for the surgical intervention of these disorders; however, these meshes can lead to severe complications in some patients. The need for synthetic materials more suited for use in pelvic floor repair is widely accepted. This study aims to develop an electrospun 17-β-estradiol releasing polyurethane (PU) scaffold that not only provides the appropriate mechanical support but can also stimulate new extracellular matrix (ECM) production and angiogenesis...
February 13, 2018: Neurourology and Urodynamics
Mohamed M Ibrahim, Luke P Poveromo, Richard R Glisson, Agustin Cornejo, Alfredo E Farjat, Ken Gall, Howard Levinson
PURPOSE: Approximately 348,000 ventral hernia repairs are performed annually in the United States and the incisional hernia recurrence rate is approximately 20% as a result of suture and mesh device failure. Device failure is related to changes at the suture/tissue interface that leads to acute or chronic suture pull-through and surgical failure. To better manage mechanical tension, we propose a modified mesh design with extensions and demonstrate its mechanical superiority. METHODS: Comparative uniaxial static tensile testing was conducted on polypropylene suture and a modified mesh...
February 2, 2018: Journal of Biomechanics
Daniel Altman, Rebecca G Rogers, Li Yin, Karl Tamussino, Weimin Ye, Cheryl B Iglesia
OBJECTIVE: To assess whether there is any association between the implantation of synthetic polypropylene mesh slings for the treatment of stress urinary incontinence (SUI) and risk of cancer. METHODS: We performed a nationwide cohort study based on the general female population in Sweden. All women entered the observational period as unexposed on January 1, 1997, and contributed person-time as unexposed unless they underwent a midurethral sling procedure for SUI, after which they contributed person-time as exposed until first occurrence of any cancer, death, emigration, or end of the observational period (December 31, 2009)...
March 2018: Obstetrics and Gynecology
Hugo Palma Rios, André Goulart, Pedro Leão
INTRODUCTION: Performing surgery on patients with Crohn's disease is a true challenge due to the elevated risk of complications related to the chronic proinflammatory response. Stenosis is the leading cause of intestinal resection in these patients. CASE REPORT: The authors present the case of a 50-year-old woman with inflammatory stenosis of the terminal ileum due to Crohn's disease. The patient underwent a laparoscopic ileocecal resection, which was complicated by a small anastomotic dehiscence with localized peritonitis...
January 2018: Wounds: a Compendium of Clinical Research and Practice
Adem Akcakaya, Ibrahim Aydogdu, Bulent Citgez
The purpose of this experimental study is to investigate and compare the effects of prosthetic materials used for wound healing of abdominal wall hernias. A total of 60 rats were divided into five equal groups: Group I, control subjected to laparotomy; group II, abdominal wall defect 3×2 cm+polypropylene (PP) mesh; group III, abdominal wall defect 3×2 cm+PP mesh+hyaluronate and carboxymethylcellulose (H-CMC; Seprafilm®); group IV, abdominal wall defect 3×2 cm+polytetrafluoroethylene (PTFE; Composix™); and group V, abdominal wall defect 3×2 cm+polyethylene terephthalate (PET; Dacron®)...
February 2018: Experimental and Therapeutic Medicine
M M Roos, W J Bakker, E A Goedhart, E J M M Verleisdonk, G J Clevers, C E H Voorbrood, F B M Sanders, D B Naafs, J P J Burgmans
PURPOSE: Inguinal disruption, a common condition in athletes, is a diagnostic and therapeutic challenge. The aim of this study was to evaluate the effect of endoscopic totally extraperitoneal (TEP) repair in athletes with inguinal disruption, selected through a multidisciplinary, systematic work-up. METHODS: An observational, prospective cohort study was conducted in 32 athletes with inguinal disruption. Athletes were assessed by a sports medicine physician, radiologist and hernia surgeon and underwent subsequent endoscopic TEP repair with placement of polypropylene mesh...
January 30, 2018: Hernia: the Journal of Hernias and Abdominal Wall Surgery
Zhu-Le Wang, Shi-Zhou Wu, Zhi-Feng Li, Jin-Hai Guo, Yi Zhang, Jin-Kui Pi, Jun-Gen Hu, Xi-Jing Yang, Fu-Guo Huang, Hui-Qi Xie
Abdominal wall defects are a common medical problem, and inadequate repair methods can lead to serious complications. Abdominal wall reconstruction using autologous tissue, or non-biological, biological, or composite patches is often performed to repair defective areas. In particular, composite patches containing both polymeric and biological materials have gained increasing attention due to their good mechanical properties and biocompatibility. However, it is still unclear whether the quality of repairs using composite patches is superior to that of a biological patch...
January 29, 2018: Journal of Biomaterials Science. Polymer Edition
Haider Jan, Vishalli Ghai, Ranee Thakar
STUDY OBJECTIVE: To demonstrate a simplified technique of performing a laparoscopic sacrohysteropexy for uterine prolapse DESIGN: Technical video demonstrating simplified method of a laproscopic sacrohysteropexy (Canadian Task force classification level III). SETTING: Benign gynaecology department at a University Hospital. INTERVENTION: A 38-year old woman with grade 3 uterine descent presented requesting surgical management for symptomatic prolapse...
January 22, 2018: Journal of Minimally Invasive Gynecology
Giulio Nicita, Donata Villari, Vincenzo Li Marzi, Martina Milanesi, Omar Saleh, Tommaso Jaeger, Alberto Martini
OBJECTIVES: To evaluate outcomes and quality of life in patients operated transvaginally with an original mesh shape for uterus-sparing prolapse surgery and to demonstrate the safety and efficacy of the technique. STUDY DESIGN: We prospectively evaluated 66 postmenopausal patients (POP-Q Stage III: 32, IV: 34) operated between May 2008 and December 2013. We used wide weave polypropylene monofilament mesh that functions as a hammock anchored posteriorly to sacrospinous ligaments, its anterior wings exit the pelvis through the obturatory membrane...
January 9, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
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
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