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Synthetic Mesh

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https://www.readbyqxmd.com/read/28803112/in-vivo-documentation-of-shape-and-position-changes-of-mri-visible-mesh-placed-in-rectovaginal-septum
#1
Urbankova Iva, Sindhwani Nikhil, Callewaert Geertje, Turri Alice, Rinkijevic Rita, Hympanova Lucie, Feola Andrew, Deprest Jan
BACKGROUND AND OBJECTIVE: Large deformations in synthetic meshes used in pelvic organ prolapse surgery may lead to suboptimal support for the underlying tissue, graft-related complications as well as recurrence. Our aim was to quantify in vivo longitudinal changes in mesh shape and geometry in a large animal model. We compare two commonly used mesh shapes, armed and flat, that are differently affixed. The secondary outcomes were active and passive biomechanical properties. METHODS: A total of 18 animals were used...
August 5, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28785497/delayed-presentation-of-suture-erosion-following-burch-colposuspension
#2
Robert Shapiro, Ali Hajiran, Stanley Zaslau
BACKGROUND: Synthetic mid-urethral mesh slings are the most common primary surgical treatment for stress urinary incontinence (SUI) and have been designated as the standard of care by the American Urogynecologic Society. In recent years, synthetic mesh has come under increased scrutiny by the Federal Drug Administration (FDA) due to concerns over patient safety. This has led to more surgeons and patients preferring Burch colposuspension to treat SUI. CASE: We discuss two cases of suture erosion into the urethra and bladder...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28784965/a-hydroponic-co-cultivation-system-for-simultaneous-and-systematic-analysis-of-plant-microbe-molecular-interactions-and-signaling
#3
Naeem Nathoo, Mark A Bernards, Jacqueline MacDonald, Ze-Chun Yuan
An experimental design mimicking natural plant-microbe interactions is very important to delineate the complex plant-microbe signaling processes. Arabidopsis thaliana-Agrobacterium tumefaciens provides an excellent model system to study bacterial pathogenesis and plant interactions. Previous studies of plant-Agrobacterium interactions have largely relied on plant cell suspension cultures, the artificial wounding of plants, or the artificial induction of microbial virulence factors or plant defenses by synthetic chemicals...
July 22, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28768227/variation-in-the-provision-and-practice-of-implant-based-breast-reconstruction-in-the-uk-results-from-the-ibra-national-practice-questionnaire
#4
Senthurun Mylvaganam, Elizabeth Conroy, Paula R Williamson, Nicola L P Barnes, Ramsey I Cutress, Matthew D Gardiner, Abhilash Jain, Joanna M Skillman, Steven Thrush, Lisa J Whisker, Jane M Blazeby, Shelley Potter, Christopher Holcombe
INTRODUCTION: The introduction of biological and synthetic meshes has revolutionised the practice of implant-based breast reconstruction (IBBR) but evidence for effectiveness is lacking. The iBRA (implant Breast Reconstruction evAluation) study is a national trainee-led project that aims to explore the practice and outcomes of IBBR to inform the design of a future trial. We report the results of the iBRA National Practice Questionnaire (NPQ) which aimed to comprehensively describe the provision and practice of IBBR across the UK...
July 30, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28759459/anterior-compartment-prolapse-what-s-new
#5
Patrick Lang, James L Whiteside
PURPOSE OF REVIEW: The purpose of this review is to summarize the treatment options for anterior compartment prolapse, describe the role that apical suspension plays in the correction of anterior vaginal wall prolapse, and assess the risks and benefits of biologic and synthetic graft use in anterior compartment repair. RECENT FINDINGS: In 2016, The Cochrane Review published a review of 37 trials including 4023 participants finding that compared to native tissue repair, the use of synthetic mesh resulted in reduced symptomatic prolapse recurrence, anatomic recurrence, and repeat prolapse surgery...
July 29, 2017: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28754535/stapled-transabdominal-ostomy-reinforcement-with-retromuscular-mesh-storrm-technical-details-and-early-outcomes-of-a-novel-approach-for-retromuscular-repair-of-parastomal-hernias
#6
Arnab Majumder, Sean B Orenstein, Heidi J Miller, Yuri W Novitsky
BACKGROUND: Parastomal hernia repair (PHR) remains a challenge with no optimal repair technique. During retromuscular hernia repair, traversing the stomal conduit through the abdominal wall can result in angulation and compression. Widening of traditional cruciate incisions in mesh and/or fascia likely contributes to recurrences. To address these pitfalls, the Stapled Transabdominal Ostomy Reinforcement with Retromuscular Mesh (STORRM) technique utilizing a circular stapler was developed...
July 21, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28753896/reoperations-for-female-stress-urinary-incontinence-a-finnish-national-register-study
#7
Kaisa Kurkijärvi, Riikka Aaltonen, Mika Gissler, Juha Mäkinen
BACKGROUND: Subjective and objective cure rates after primary surgery for female stress urinary incontinence are good. Still, some women will undergo repeated operations for incontinence. OBJECTIVE: To study the reoperation rate after incontinence surgery and to compare the reoperation rates between different surgery types. DESIGN, SETTING, AND PARTICIPANTS: This national register-based study included all Finnish women who had surgery for stress urinary incontinence during a 23-yr study period (1987-2009), both in inpatient and outpatient hospital settings...
June 10, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28751222/the-use-of-a-composite-synthetic-mesh-in-the-vicinity-of-bowel-for-repair-and-prophylaxis-of-parastomal-hernias-does-it-increase-the-risk%C3%A2-of-short-term-infective-complications
#8
Zhaowei Zhou, Amarvir Bilkhu, Suhail Anwar
AIMS: The use of synthetic meshes in potentially infected operative fields such as in the vicinity of large bowel, is controversial. This study describes our experience with the use of a synthetic composite mesh for prophylaxis and repair of parastomal hernias. METHODS: Data were collected retrospectively over a 7-year period from 2008 to 2015. An IPOM (DynaMesh™) was used either during the formation of the stoma to reinforce the abdominal wall around the stoma or during the surgical repair of existing parastomal hernias, using keyhole or sandwich technique...
July 24, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28730531/comparing-different-tissue-engineered-repair-materials-for-the-treatment-of-pelvic-organ-prolapse-and-urinary-incontinence-which-material-is-better
#9
Xiaojuan Wang, Yisong Chen, Zhongyong Fan, Keqin Hua
INTRODUCTION AND HYPOTHESIS: Synthetic non-absorbable meshes are widely used to augment surgical repair of pelvic organ prolapse (POP) and stress urinary incontinence (SUI), but these meshes are associated with serious complications. This study compares the attachment and extracellular matrix (ECM) production of adipose-derived stem cells (ADSCs) on different biodegradable nanomaterials to develop tissue engineered repair materials. METHODS: Rat ADSCs were isolated and cultured on electrospun poly-L-lactic acid (PLA) and electrospun poly(L-lactide)-trimethylene carbonate-gycolide (PLTG) terpolymers for 1 and 2 weeks...
July 20, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28729881/outcomes-following-repair-of-incarcerated-and-strangulated-ventral-hernias-with-or-without-synthetic-mesh
#10
Sameh Hany Emile, Hesham Elgendy, Ahmad Sakr, Waleed Ahmed Gado, Ahmed Aly Abdelmawla, Mahmoud Abdelnaby, Alaa Magdy
BACKGROUND: The use of synthetic mesh for ventral hernia repair under contaminated conditions is a controversial issue due to the considerable risk of surgical site infection (SSI). This study aimed to review the outcomes of repair of incarcerated and strangulated ventral hernias with or without synthetic mesh in compliance with established clinical guidelines regarding the incidence of SSI and hernia recurrence. METHODS: The records of patients with complicated ventral hernias who were treated with or without synthetic mesh repair were reviewed...
2017: World Journal of Emergency Surgery: WJES
https://www.readbyqxmd.com/read/28726148/first-human-use-of-hybrid-synthetic-biologic-mesh-in-ventral-hernia-repair-a-multicenter-trial
#11
James G Bittner, Kevin El-Hayek, Andrew T Strong, Melissa Phillips LaPinska, Jin S Yoo, Eric M Pauli, Matthew Kroh
BACKGROUND: Mesh options for reinforcement of ventral/incisional hernia (VIH) repair include synthetic or biologic materials. While each material has known advantages and disadvantages, little is understood about outcomes when these materials are used in combination. This multicenter study reports on the first human use of a novel synthetic/biologic hybrid mesh (Zenapro(®) Hybrid Hernia Repair Device) for VIH repair. METHODS: This prospective, multicenter post-market clinical trial enrolled consecutive adults who underwent elective VIH repair with hybrid mesh placed in the intraperitoneal or retromuscular/preperitoneal position...
July 19, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28721282/structural-differences-and-architectural-features-of-two-different-polypropylene-slings-tvt-o-and-i-stop-have-no-impact-on-biocompatibility-and-tissue-reactions
#12
Mikolaj Przydacz, Oussama El Yazami Adli, Wally Mahfouz, Oleg Loutochin, Louis R Bégin, Jacques Corcos
INTRODUCTION: To evaluate the impact of design features of the synthetic mid-urethral slings on tissue integrity and inflammatory responses. MATERIAL AND METHODS: In total 30 female Sprague-Dawley rats were implanted with type I monofilamentous, macroporous polypropylene meshes: Gynecare TVT-Obturator tape(®) (Ethicon Inc., Johnson & Johnson, Somerville, NJ, USA) and I-STOP(®) (CL Medical Inc., Lyon, France). All animal groups were sacrificed at set time intervals - 6 weeks, 3 months, 6 months, 9 months and 12 months - and the abdominal wall was harvested with mesh strips for histological evaluation...
June 30, 2017: Central European Journal of Urology
https://www.readbyqxmd.com/read/28710505/application-of-human-acellular-breast-dermal-matrix-abdm-in-implant-based-breast-reconstruction-an-experimental-study
#13
Nahid Nafisi, Mohammad Esmaeil Akbari, Fatemeh Mahjoub, Mohammad Javad Mohseni, Shabnam Sabetkish, Reza Khorramirouz, Mona Tehrani, Abdol-Mohammad Kajbafzadeh
BACKGROUND: The use of acellular dermal matrices (ABDM) has become more common for breast reconstruction to improve postoperative outcomes. We evaluated the efficacy of breast reconstruction by the application of human ABDM in a sheep model. METHODS: The sheep in group I (GI) (N = 4) underwent the following procedures on the right side: (1) breast reconstruction using human ABDM after total mastectomy, (2) human ABDM under the skin, near the breast area and on the left side, (3) fat injection and human ABDM after partial mastectomy, and (4) replacement of ABDM in the abdominal wall far from the breast...
July 14, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28693839/outcome-of-incisional-hernia-repair-in-patients-with-inflammatory-bowel-disease
#14
Tomas M Heimann, Santosh Swaminathan, Adrian J Greenstein, Alexander J Greenstein, Randolph M Steinhagen
BACKGROUND: Incisional Hernia (IH) repair in patients with Inflammatory Bowel Disease (IBD) has not been well studied. METHODS: Outcomes of 170 patients with IBD who underwent IH repair were included in the study. RESULTS: The incidence of recurrence after IH repair in IBD is 27%. Patients with Crohn's disease (CD) had larger defects at the time of repair, higher proportion of bowel resection and a longer postoperative stay when compared to Ulcerative colitis (UC)...
June 7, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28685729/biomechanical-properties-of-synthetic-mesh-reconstructed-glenohumeral-joint-capsule
#15
Tao Jin, Wei-Feng Liu, Hai-Rong Xu, Yuan Li, Xiao-Hui Niu
No abstract text is available yet for this article.
July 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28676367/iatrogenic-pelvic-pain-surgical-and-mesh-complications
#16
REVIEW
Dominic Lee, John Chang, Philippe E Zimmern
Female stress urinary incontinence and pelvic organ prolapse are prevalent conditions in adult women. Among treatment alternatives, more traditional methods of surgical intervention have been supplanted by synthetic polypropylene mesh kits. However, novel complications with mesh-related exposure, pelvic pain alone or with dyspareunia, and increased incidence of revision surgeries, resulted in 2 FDA warnings on transvaginal mesh use for prolapse repair. This review examines the anatomy of the vagina and urethra, the etiology of pain related to mesh use, and the relevant surgical techniques for management of this complication along with their outcomes...
August 2017: Physical Medicine and Rehabilitation Clinics of North America
https://www.readbyqxmd.com/read/28676360/diagnostic-evaluation-of-chronic-pelvic-pain
#17
REVIEW
Gaurav Khatri, Ambereen Khan, Gargi Raval, Avneesh Chhabra
Chronic pelvic pain can result from various intra- and extra-pelvic etiologies. Although patient history and physical examination may narrow the differential diagnosis, frequently, the different etiologies have overlapping presentations. Imaging examinations such as US and/or MR imaging may help delineate the cause of pain, particularly when related to intra-pelvic organs, pelvic floor dysfunction or prolapse, synthetic material such as pelvic mesh or slings, and in some cases of neuropathic pain. Etiologies of neuropathic pain can also be assessed with non-imaging tests such as nerve conduction studies, electromyography, and testing of sacral reflexes...
August 2017: Physical Medicine and Rehabilitation Clinics of North America
https://www.readbyqxmd.com/read/28673602/platelet-rich-plasma-as-a-minimally-invasive-approach-to-uterine-prolapse
#18
E L Chrysanthopoulou, V Pergialiotis, D Perrea, S Κourkoulis, C Verikokos, S K Doumouchtsis
Pelvic organ prolapse (POP) is a major health problem that affects many women with potentially severe physical and psychological impact as well as impact on their daily activities, and quality of life. Several surgical techniques have been proposed for the treatment of POP. The FDA has published documents that refer to concerns about the use of synthetic meshes for the treatment of prolapse, in view of the severe complications that may occur. These led to hesitancy in use of these meshes and partial increase in use of other biological grafts such as allografts and xenografts...
July 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28658857/application-of-a-mixed-material-graft-to-posterior-intravaginal-slingoplasty-procedure-preliminary-pilot-series
#19
Birol Vural, Yigit Çakıroglu, Fisun Vural, Sule Köpük Yıldırım
Good anatomic outcomes have been achieved with transvaginal synthetic materials in pelvic organ prolapse, but mesh-related complications are a major health concern. Therefore, developing new synthetic or biological materials with increased tissue strength and decreased complications are major challenges. This paper presents preliminary pilot series of Posterior Intravaginal Slingoplasty (PIVS) procedure performed with mixed material graft containing both autologous tissue and a synthetic material. Six women with symptomatic Utero-Vaginal Prolapse (UVP) ≥ stage 2 underwent the PIVS procedure...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28655893/anderson-localization-in-synthetic-photonic-lattices
#20
Ilya D Vatnik, Alexey Tikan, Georgy Onishchukov, Dmitry V Churkin, Andrey A Sukhorukov
Synthetic photonic lattices provide unique capabilities to realize theoretical concepts emerging in different fields of wave physics via the utilization of powerful photonic technologies. Here we observe experimentally Anderson localization for optical pulses in time domain, using a photonic mesh lattice composed of coupled fiber loops. We introduce a random potential through programmed electro-optic pulse phase modulation, and identify the localization features associated with varying degree of disorder. Furthermore, we present a practical approach to control the band-gap width in photonic lattices by varying the coupling between the fiber loops, and reveal that the strongest degree of localization is limited and increases in lattices with wider band-gaps...
June 27, 2017: Scientific Reports
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