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Mesh implant

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https://www.readbyqxmd.com/read/28526657/risk-adjusted-adverse-outcomes-in-complex-abdominal-wall-hernia-repair-with-biologic-mesh-a-case-series-of-140-patients
#1
Rifat Latifi, David Samson, Ansab Haider, Asad Azim, Hajira Iftikhar, Bellal Joseph, Elizabeth Tilley, Jorge Con, Saranda Gashi, Ayman El-Menyar
INTRODUCTION: Biologic mesh is preferred for repair of complex abdominal wall hernias (CAWHs) in patients at high risk of wound infection. We aimed to identify predictors of adverse outcomes after complex abdominal wall hernia repair (CAWR) using biologic mesh with different placement techniques and under different surgical settings. METHODS: A retrospective case series study was conducted on all patients who underwent CAWR with biologic mesh between 2010 and 2015 at a tertiary medical center...
May 16, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28526551/assessment-of-vertical-ridge-augmentation-in-anterior-aesthetic-zone-using-onlay-xenografts-with-titanium-mesh-versus-the-inlay-bone-grafting-technique-a-randomized-clinical-trial
#2
M Mounir, S Mounir, A A Elfetouh, M A Shaker
The aim of this study was to evaluate the final vertical gain at the deficient anterior maxillary alveolar ridges using onlay bone grafts with titanium mesh versus inlay bone grafting. This was a single institutional randomized comparative clinical trial. The study population included 16 patients, with edentulous anterior maxillary alveolar ridges (40 implant sites) who were presented and treated at the Faculty of Oral and Dental Medicine in Cairo University from September 2013 to August 2015. Selected patients were randomly divided into two equal groups...
May 16, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28526188/corrigendum-to-mesh-versus-acellular-dermal-matrix-in-immediate-implant-based-breast-reconstruction-a-prospective-randomized-trial-eur-j-surg-oncol-42-5-2016-665-671
#3
D Gschwantler-Kaulich, P Schrenk, V Bjelic-Radisic, K Unterrieder, C Leser, A Fink-Retter, M Salama, C Singer
No abstract text is available yet for this article.
May 16, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28507989/diagnostic-laparoscopy-as-decision-tool-for-re-recurrent-inguinal-hernia-treatment-following-open-anterior-and-laparo-endoscopic-posterior-repair
#4
Ferdinand Köckerling, Christine Schug-Pass
INTRODUCTION: The guidelines of the international hernia societies recommend posterior repair in laparo-endoscopic technique for recurrent inguinal hernia after open anterior mesh repair and, conversely, open anterior repair for recurrence after laparo-endoscopic primary repair. Even when these guidelines are followed, already 1 year after repair a re-recurrence rate of 1-2% must be expected, with that rate rising further in the subsequent years. Accordingly, increasingly more patients with re-recurrence after anterior and posterior mesh implantation must be treated, which constitutes a problem that to date has been investigated in only very few studies...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/28490645/evidence-of-adaptations-of-locomotor-neural-drive-in-response-to-enhanced-intermuscular-connectivity-between-the-triceps-surae-muscles-of-the-rat
#5
Michel Bernabei, Jaap H van Dieën, Huub Maas
The aims of this study were to investigate changes (i) in the coordination of activation of the triceps surae muscle group and (ii) in muscle belly length of soleus (SO) and lateral gastrocnemius (LG) during locomotion (trotting) in response to increased stiffness of intermuscular connective tissues in the rat. We measured muscle activation and muscle belly lengths, as well as hindlimb kinematics, before and after an artificial enhancement of the connectivity between SO and LG muscles obtained by implanting a tissue-integrating surgical mesh at the muscles' interface...
May 10, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28487243/towards-rebuilding-vaginal-support-utilizing-an-extracellular-matrix-bioscaffold
#6
Rui Liang, Katrina Knight, Deanna Easley, Stacy Palcsey, Steven Abramowitch, Pamela A Moalli
As an alternative to polypropylene mesh, we explored an extracellular matrix (ECM) bioscaffold derived from urinary bladder matrix (MatriStem™) in the repair of vaginal prolapse. We aimed to restore disrupted vaginal support simulating application via transvaginal and transabdominal approaches in a macaque model focusing on the impact on vaginal structure, function, and the host immune response. In 16 macaques, after laparotomy, the uterosacral ligaments and paravaginal attachments to pelvic side wall were completely transected (IACUC# 13081928)...
May 6, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28482606/microarc-oxidation-coating-covered-ti-implants-with-micro-scale-gouges-formed-by-a-multi-step-treatment-for-improving-osseointegration
#7
Yixin Bai, Rui Zhou, Jianyun Cao, Daqing Wei, Qing Du, Baoqiang Li, Yaming Wang, Dechang Jia, Yu Zhou
The sub-microporous microarc oxidation (MAO) coating covered Ti implant with micro-scale gouges has been fabricated via a multi-step MAO process to overcome the compromised bone-implant integration. The as-prepared implant has been further mediated by post-heat treatment to compare the effects of -OH functional group and the nano-scale orange peel-like morphology on osseointegration. The bone regeneration, bone-implant contact interface, and biomechanical push-out force of the modified Ti implant have been discussed thoroughly in this work...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28482467/novel-mussel-inspired-ti-6al-4v-surfaces-with-biocompatibility-blood-ultra-drag-reduction-and-superior-durability
#8
Qi Li, Fei Tang, Chunze Wang, Xiaohao Wang
In order to develop new Ti-based biomaterials with biocompatibility, blood ultra-drag reduction and superior durability, a novel fabrication combining simple electrochemical and chemical processes was proposed. After being modified by C14H19F13O3Si (FAS), a biocompatible TiO2-SiO2-polydopamine composite surface on Ti-6Al-4V substrate was obtained. The biocompatibility was evaluated using a series of in vitro test, revealing that compared with Ti-6Al-4V alloys, the surfaces exhibited a number of bio-advantages such as anti-platelet aggregation, anti-bovine serum albumin protein adsorption, a lower hemolysis rate (~0...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28479238/challenging-the-myth-transvaginal-mesh-is-not-associated-with-carcinogenesis
#9
Bilal Chughtai, Art Sedrakyan, Jialin Mao, Dominique Thomas, Karyn S Eilber, J Quentin Clemens, Jennifer T Anger
PURPOSE: We sought to determine if there was a potential link between synthetic polypropylene mesh implantation for transvaginal pelvic organ prolapse (POP) and stress urinary incontinence (SUI) and carcinogenesis using statewide administrative data. MATERIALS AND METHODS: Adult women undergoing transvaginal surgery for POP or SUI) with mesh between January 2008 and December 2009 in New York State were identified using International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) procedure codes and Current Procedural Terminology Coding System, Fourth Edition (CPT-4) codes...
May 4, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28476313/bioresorbable-versus-titanium-space-maintaining-mesh-in-maxillary-sinus-floor-elevation-a-split-mouth-study
#10
M Ahmed, A Abu Shama, R M Hamdy, M Ezz
Maxillary sinus pneumatization limits implant placement in the edentulous posterior maxilla. Grafted sinus floor augmentation through Schneiderian membrane elevation and space obliteration with autogenous bone grafts, bone substitutes, or a combination of the two has often been used to resolve this problem. More recently, non-grafted sinus floor elevation has been established. This is based on the concept of membrane elevation and support either by tenting technique or using space-maintaining mesh. The aim of this study was to evaluate the predictability of new bone formation after sinus floor elevation using space-maintaining mesh without graft material and to illustrate the difference between the use of bioresorbable and titanium meshes...
May 2, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28474182/homogenous-scaffold-based-cranial-skull-implant-modelling-and-structural-analysis-unit-cell-algorithm-meshless-approach
#11
V Phanindra Bogu, Y Ravi Kumar, Asit Kumar Khanra
This computational study explores a unique modelling approach of the cranial implant, homogenous scaffold algorithm and meshless method, respectively. This meshless method is employed to review the implant underneath intracranial pressure (ICP) conditions with a standard ICP range of 7 mm of Hg to 15 mm of Hg. The algorithm is used to introduce uniform porosity within the implant enabling the implant behaviour with respect to ICP conditions. However, increase in the porosity leads to variation in deformation and equivalent stress, respectively...
May 5, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28472172/outcome-of-vaginal-mesh-reconstructive-surgery-in-multiparous-compared-with-grand-multiparous-women-retrospective-long-term-follow-up
#12
Gil Levy, Yoav Peled, Anat From, Irena Fainberg, Sarit Barak, Amir Aviram, Haim Krissi
We aimed to compare the long-term surgical outcome and complications of multiparous and grand multiparous women undergoing reconstructive surgery with vaginal mesh implants for repair of pelvic organ prolapse. This retrospective, long-term follow-up (28.17±20.7 months) comprised 113 women who underwent surgical reconstructive surgery with vaginal polypropylene mesh in a high parity rate population medical center. The women were divided into 2 groups (multiparous and grand multiparous) and each group was evaluated for objective and subjective surgical outcome...
2017: PloS One
https://www.readbyqxmd.com/read/28470445/ftir-microscopy-contribution-for-comprehension-of-degradation-mechanisms-in-pla-based-implantable-medical-devices
#13
Adrien Leroy, Sofia Ribeiro, Carole Grossiord, Antoine Alves, Robert H Vestberg, Vincent Salles, Céline Brunon, Kerstin Gritsch, Brigitte Grosgogeat, Yves Bayon
The integration and evolution of implantable medical devices made of bioresorbable polymers and used for temporary biomedical applications are crucial criteria in the success of a therapy and means of follow-up after implantation are needed. The objective of this work is to develop and evaluate a method based on microscopic Fourier Transform InfraRed spectroscopy (FTIR) mappings to monitor the degradation of such polymers on tissue explant sections, after implantation. This technique provided information on their location and on both their composition and crystallinity, which is directly linked to their state of degradation induced predominantly by chain scissions...
June 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28463685/reconstruction-of-maxillary-and-orbital-floor-defect-with-free-fibula-flap-and-whole-individualized-titanium-mesh-assisted-by-computer-techniques
#14
Kun Fu, Yiming Liu, Ning Gao, Jinghua Cai, Wei He, Weiliu Qiu
PURPOSE: We sought to investigate the clinical application of free fibula flap and individualized titanium mesh through the use of a virtual planning and guiding template to assist the reconstruction of maxilla and orbital floor defects. PATIENTS AND METHODS: Between 2015 and 2016, a total of 6 adult patients with maxillary and orbital floor defects were enrolled in this study. Preoperative virtual planning, including virtual maxillary resection and fibular reconstruction, was performed in all cases according to 3-dimensional radiographic and clinical findings...
April 7, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28462438/nomenclature-in-abdominal-wall-hernias-is-it-time-for-consensus
#15
Samuel G Parker, Christopher P J Wood, David L Sanders, Alastair C J Windsor
Abdominal wall reconstruction is a rapidly evolving area of surgical interest. Due to the increase in prevalence and size of ventral hernias and the high recurrence rates, the academic community has become motivated to find the best reconstruction techniques. Whilst interrogating the abdominal wall reconstruction literature, we discovered an inconsistency in hernia nomenclature that must be addressed. The terms used to describe the anatomical planes of mesh implantation 'inlay', 'sublay' and 'underlay' are misinterpreted throughout...
May 1, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28457420/atrophic-maxilla-reconstruction-with-fresh-frozen-allograft-bone-titanium-mesh-and-platelet-rich-fibrin-case-report
#16
R C F Baldan, F L Coracin, L Lins, W R Mello, P S Santos
The purpose of this article was to report the clinical and radiographic findings about a case of a man affected by severely atrophic maxilla to demonstrate the clinical proceedings associated with alveolar reconstruction destined for dental implant rehabilitation. The 3-dimensional augmentation of the alveolar ridge with the use of fresh-frozen bone graft, platelet-rich fibrin membrane, and titanium mesh suggests potential benefits to the development of the bone formation physiology. The treatment combination may result in an optimal prognosis and represents an option for reconstruction of bone defects...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28456014/template-based-orbital-wall-fracture-treatment-using-statistical-shape-analysis
#17
Hans-Martin Doerfler, Heike Huempfner-Hierl, Daniel Kruber, Peter Schulze, Thomas Hierl
PURPOSE: Aim of this study was to investigate whether a mold generated from a statistical shape model of the orbit could be generated to provide a cost-efficient means for the treatment of orbital fractures. MATERIALS AND METHODS: A statistical shape model was created from 131 computed tomographic (CT) scans of unaffected adult middle European human orbits. To generate the model, CT scans were segmented in Brainlab software, preregistered using anatomic landmarks, trimmed to an identical size, and definitely registered...
April 4, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28446016/biodegradation-and-biocompatibility-of-poly-l-lactic-acid-implantable-mesh
#18
Sang-Don Yoon, Young-Sam Kwon, Kyu-Sung Lee
PURPOSE: The purpose of this study was to evaluate the biodegradation and biocompatibility of poly L-lactic acid (PLLA) implantable mesh under in vitro and in vivo conditions. METHODS: PLLA mesh was examined for changes in weight and tensile strength. The histology of the tissue around the PLLA implant was also evaluated. RESULTS: The weight and tensile strength of the PLLA prosthesis was stable for 180 days. In addition, the surface of the PLLA mesh was not digested under in vitro or in vivo conditions as determined by scanning electron microscope...
April 2017: International Neurourology Journal
https://www.readbyqxmd.com/read/28445106/tension-free-inlay-repair-of-large-hiatal-hernias-using-dual-sided-composite-ptfe-eptfe-meshes-in-laparoscopic-surgery-for-gastroesophageal-reflux-disease
#19
Alexander M Prusa, Ivan Kristo, Erwin Rieder, Claudia Ringhofer, Reza Asari, Johannes Miholic, Sebastian F Schoppmann
BACKGROUND: Patients with gastroesophageal reflux disease (GERD) also frequently suffer from concomitant hiatal hernia. It has been described that a preoperative hiatal hernia of ≥3 cm is associated with a more than threefold relative risk for reflux symptom recurrence after fundoplication without mesh reinforcement. In this report, we describe our experience with the implantation of dual-sided composite PTFE/ePTFE meshes in a tension-free fashion during laparoscopic antireflux surgery (LARS)...
April 26, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28442833/a-randomised-prospective-study-to-evaluate-preperitoneal-mesh-repair-versus-onlay-mesh-repair-and-laparoscopic-ipom-in-incisional-hernia-surgery
#20
S Natarajan, S Meenaa, K A Thimmaiah
Incisional hernia remains a very common postoperative complication. These are encountered with an incidence of up to 20 % following laparotomy. These hernias enlarge over time, making the repair difficult, and serious complications like bowel obstruction, strangulation and enterocutaneous fistula can occur. Hence, elective repair is indicated to avoid these complications. Implantation of a prosthetic mesh is nowadays considered as the standard treatment due to low hernia recurrence. The most common mesh repair techniques used are the onlay repair, sublay repair and laparoscopic intraperitoneal onlay mesh (IPOM)...
April 2017: Indian Journal of Surgery
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