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Biologic mesh

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https://www.readbyqxmd.com/read/28633126/emergency-incarcerated-obturator-hernia-repair-with-biologic-mesh-in-a-male-patient-after-ipsilateral-hip-disarticulation-a-case-report
#1
Rodolfo J Oviedo, Alexander H W Molinari
INTRODUCTION: An obturator hernia is an uncommon form of abdominal hernia that is difficult to diagnose due to its non-distinct presentation. This case investigates an emergency treatment of an obturator hernia presenting in a patient with an ipsilateral hip disarticulation in a 266-bed community hospital. PRESENTATION OF CASE: A 53-year old man with a history of a left hip disarticulation 3-weeks prior presented to the emergency department with fever, nausea, vomiting, and diarrhea for the past 5-days...
June 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28629025/polycaprolactone-and-polycaprolactone-ceramic-based-3d-bioplotted-porous-scaffolds-for-bone-regeneration-a-comparative-study
#2
K K Gómez-Lizárraga, C Flores-Morales, M L Del Prado-Audelo, M A Álvarez-Pérez, M C Piña-Barba, C Escobedo
One of the critical challenges that scaffolding faces in the organ and tissue regeneration field lies in mimicking the structure, and the chemical and biological properties of natural tissue. A high-level control over the architecture, mechanical properties and composition of the materials in contact with cells is essential to overcome such challenge. Therefore, definition of the method, materials and parameters for the production of scaffolds during the fabrication stage is critical. With the recent emergence of rapid prototyping (RP), it is now possible to create three-dimensional (3D) scaffolds with the essential characteristics for the proliferation and regeneration of tissues, such as porosity, mechanical strength, pore size and pore interconnectivity, and biocompatibility...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28611571/exosomes-and-homeostatic-synaptic-plasticity-are-linked-to-each-other-and-to-huntington-s-parkinson-s-and-other-neurodegenerative-diseases-by-database-enabled-analyses-of-comprehensively-curated-datasets
#3
James K T Wang, Peter Langfelder, Steve Horvath, Michael J Palazzolo
Huntington's disease (HD) is a progressive and autosomal dominant neurodegeneration caused by CAG expansion in the huntingtin gene (HTT), but the pathophysiological mechanism of mutant HTT (mHTT) remains unclear. To study HD using systems biological methodologies on all published data, we undertook the first comprehensive curation of two key PubMed HD datasets: perturbation genes that impact mHTT-driven endpoints and therefore are putatively linked causally to pathogenic mechanisms, and the protein interactome of HTT that reflects its biology...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28608580/pedicle-screw-augmentation-with-bone-cement-enforced-vicryl-mesh
#4
S L Schmid, E Bachmann, M Fischer, D C Meyer, C A Gerber, J G Snedeker, M Farshad
Achieving sufficient mechanical purchase of pedicle screws in osteoporotic or previously instrumented bone is technically and biologically challenging. Techniques using different kinds of pedicle screws or methods of cement augmentation have been used to address this challenge, but are associated with difficult revisions and complications. The purpose of this biomechanical trial was to investigate the use of biocompatible textile materials in combination with bone cement to augment pullout strength of pedicle screws while reducing the risk of cement extrusion...
June 13, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28597382/performance-and-microbial-community-dynamics-of-electricity-assisted-sequencing-batch-reactor-sbr-for-treatment-of-saline-petrochemical-wastewater
#5
Jiaxin Liu, Shengnan Shi, Xiangyu Ji, Bei Jiang, Lanlan Xue, Meidi Li, Liang Tan
High-salinity wastewater is often difficult to treat by common biological technologies due to salinity stress on the bacterial community. Electricity-assisted anaerobic technologies have significantly enhanced the treatment performance by alleviating the impact of salinity stress on the bacterial community, but electricity-assisted aerobic technologies have less been reported. Herein, a novel bio-electrochemistry system has been designed and operated in which a pair of stainless iron mesh-graphite plate electrodes were installed into a sequencing batch reactor (SBR, designated as S1) to strengthen the performance of saline petrochemical wastewater under aerobic conditions...
June 8, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28594679/initial-experience-with-biologic-polymer-scaffold-poly-4-hydroxybuturate-in-complex-abdominal-wall-reconstruction
#6
Joseph F Buell, David Sigmon, Christopher Ducoin, Max Shapiro, Nikhil Teja, Emmett Wynter, Mary K Hanisee, Geoffrey Parker, Emad Kandil, Michael Darden
OBJECTIVE: To evaluate the use of the new absorbable polymer scaffold poly-4-hydroxybutyrate (P4HB) in complex abdominal wall reconstruction. BACKGROUND: Complex abdominal wall reconstruction has witnessed tremendous success in the last decade after the introduction of cadaveric biologic scaffolds. However, the use of cadaveric biologic mesh has been expensive and plagued by complications such as seroma, infection, and recurrent hernia. Despite widespread application of cadaveric biologic mesh, little data exist on the superiority of these materials in the setting of high-risk wounds in patients...
July 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28588237/tcm-mesh-the-database-and-analytical-system-for-network-pharmacology-analysis-for-tcm-preparations
#7
Run-Zhi Zhang, Shao-Jun Yu, Hong Bai, Kang Ning
With the advancement of systems biology research, we have already seen great progress in pharmacology studies, especially in network pharmacology. Network pharmacology has been proven to be effective for establishing the "compounds-proteins/genes-diseases" network, and revealing the regulation principles of small molecules in a high-throughput manner, thus would be very effective for the analysis of drug combinations, especially for TCM preparations. In this work, we have proposed the TCM-Mesh system, which records TCM-related information collected from various resources and could serve for network pharmacology analysis for TCM preparations in a high-throughput manner (http://mesh...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28586316/direct-3d-cell-printing-of-human-skin-with-functional-transwell-system
#8
Byoung Soo Kim, Jung-Seob Lee, Ge Gao, Dong-Woo Cho
Three-dimensional (3D) cell-printing has been emerging as a promising technology with which to build up human skin models by enabling rapid and versatile design. Despite the technological advances, challenges remain in the development of fully functional models that recapitulate complexities in the native tissue. Moreover, although several approaches have been explored for the development of biomimetic human skin models, the present skin models based on multistep fabrication methods using polydimethylsiloxane chips and commercial transwell inserts could be tackled by leveraging 3D cell-printing technology...
June 6, 2017: Biofabrication
https://www.readbyqxmd.com/read/28580973/the-particle-in-the-spider-s-web-transport-through-biological-hydrogels
#9
Jacob Witten, Katharina Ribbeck
Biological hydrogels such as mucus, extracellular matrix, biofilms, and the nuclear pore have diverse functions and compositions, but all act as selectively permeable barriers to the diffusion of particles. Each barrier has a crosslinked polymeric mesh that blocks penetration of large particles such as pathogens, nanotherapeutics, or macromolecules. These polymeric meshes also employ interactive filtering, in which affinity between solutes and the gel matrix controls permeability. Interactive filtering affects the transport of particles of all sizes including peptides, antibiotics, and nanoparticles and in many cases this filtering can be described in terms of the effects of charge and hydrophobicity...
June 5, 2017: Nanoscale
https://www.readbyqxmd.com/read/28576692/utero-abdominal-wall-fistula-after-cesarean-section-in-patient-with-prior-colorectal-resection-for-endometriosis-case-report-and-systematic-review
#10
Chloé Chattot, Patrick Aristizabal, Sofiane Bendifallah, Emile Daraï
Utero-Abdominal Wall Fistula (UAWF) is a very rare complication of cesarean section. We report an unusual case of a UAWF occurring in a 37-year-old woman, 4 years after a cesarean section and previously radical surgery for deep infiltrating endometriosis (DIE) with bowel resection. The patient presented with persistent purulent discharge of the Pfannenstiel scar and had noted that the discharge was blood-stained during menstruation. Magnetic resonance imaging confirmed the diagnosis of UAWF. Surgery was performed by laparotomy and was complicated by a postoperative rectovaginal fistula (RVF) which was successfully treated by the placement of a biological mesh via the vagina route...
May 30, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28560512/biological-implant-for-complex-abdominal-wall-reconstruction-a-single-institution-experience-and-review-of-literature
#11
Elsa Limura, Pasquale Giordano
AIM: To present our single institution and surgeon's complex abdominal wall reconstructions (CAWR) experience with Permacol™ mesh through a non-randomized study. PATIENTS AND METHOD: Data of 51 consecutive patients were prospectively collected between 2003 and 2015. Patients had a median of 3 comorbidities (range 0-10) and 68% were Center for Disease Control class II-IV. The mean previous repair was 1.3 (range, 0-12), and 25 (44%) had a mesh in situ. The median defect size was 625 cm(2)...
May 30, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28559706/flap-surgical-techniques-for-incisional-hernia-recurrences-a-swine-experimental-model
#12
Florina Popa, Filip Ardelean, Cosmin Pestean, Robert Purdoiu, Oana Rosca, Alexandru Georgescu
BACKGROUND AND AIM: In the age of synthetic prostheses most of hernia studies include a careful examination of the various types of prosthesis, their characteristics and their repair indications. Biological prostheses are also beginning to draw attention. But in terms of recurrence especially for poor or developing countries, the discussion is different, due to their high cost which makes them difficult to afford. In this article we present new flap reconstruction techniques for the reconstruction of the abdominal wall versus mesh repair, applied on swine models, outline the results of each technique, and specify the indications for their use...
2017: Clujul Medical (1957)
https://www.readbyqxmd.com/read/28554344/overview-of-nanoparticle-coating-of-dental-implants-for-enhanced-osseointegration-and-antimicrobial-purposes
#13
Feridoun Parnia, Javad Yazdani, Vahid Javaherzadeh, Solmaz Maleki Dizaj
PURPOSE: Nanomaterials are suitable candidates for coating of titanium based (Ti-based) dental implants due to their unique properties. The objective of this article is to summarize the application of nanoparticles as Ti-based implant coating materials in order to control and improve the implant success rate with focus on enhanced osseointegration and antimicrobial purposes. METHOD: This review was conducted using electronic databases and MeSH keywords to detect associated scientific literature published in English...
2017: Journal of Pharmacy & Pharmaceutical Sciences: a Publication of the Canadian Society for Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28541865/multipoint-suture-fixation-technique-for-abdominal-wall-reconstruction-with-component-separation-and-onlay-biological-mesh-placement
#14
Brad Denney, Jorge I de la Torre
Component separation with mesh reinforcement has become the primary modality for complex abdominal wall reconstruction. However, many fundamental questions remain unanswered, such as whether underlay versus overlay mesh placement is superior, and what is the best means of suture fixation technique for mesh placement? This study presents the senior author's technique for onlay biologic mesh placement with multipoint suture fixation in combination with component separation and its subsequent low recurrence rates...
May 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28532087/the-repairing-of-full-thickness-skin-deficiency-and-its-biological-mechanism-using-decellularized-human-amniotic-membrane-as-the-wound-dressing
#15
Mengsheng Song, Weiqing Wang, Qihua Ye, Shizhong Bu, Zhisen Shen, Yabin Zhu
Human amniotic membrane (HAM) was a biocompatible scaffold with advantages of anti-inflammatory, low antigen, feasibility, tolerance and low cost. In our previous work, HAM was treated to be decellularized using surfactant, lipase and DNAase methods and the efficacy as an implantable biological mesh was verified after decellularization treatment. In this work, we used the previous protocol to decellularize the fresh HAM, and applied it to repair full-thickness skin defects with Sprague-Dawley rats as the test animals...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
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
#16
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/28523363/systematic-review-and-meta-analysis-of-laparoscopic-mesh-versus-suture-repair-of-hiatus-hernia-objective-and-subjective-outcomes
#17
Chao Zhang, Diangang Liu, Fei Li, David I Watson, Xiang Gao, Jan H Koetje, Tao Luo, Chao Yan, Xing Du, Zhonggao Wang
BACKGROUND: Hiatus hernia (HH) contributes to the pathophysiology of gastroesophageal reflux disease (GERD). Mesh-augmentation of surgical repair might be associated with a reduced risk of recurrence and GERD. However, recurrence rates, mesh-associated complications and quality of life (QOL) after mesh versus suture repair are debated. The aim of this meta-analysis was to determine HH recurrence following mesh-augmentation versus suture repair. Secondary aims were to compare complications, mortality, QOL and GERD symptoms following different repair techniques...
May 18, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28518080/rearing-ixodes-scapularis-the-black-legged-tick-feeding-immature-stages-on-mice
#18
Andrew B Nuss, Manoj G Mathew, Monika Gulia-Nuss
Ixodes scapularis, the vector of Lyme disease, is one of the most important disease vectors in the eastern and Midwestern United States. This species is a three host tick that requires a blood meal from a vertebrate host for each development stage, and the adult females require a blood meal for reproduction. Larval ticks attach to their host for 3 - 5 days for feeding and drop off the host when fully engorged. This dependency on several different hosts and the lengthy attachment time for engorgement complicates tick rearing in the laboratory setting...
May 8, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28508281/perineal-hernia-repair-after-abdominoperineal-excision-or-extralevator-abdominoperineal-excision-a-systematic-review-of-the-literature
#19
REVIEW
A Balla, G Batista Rodríguez, N Buonomo, C Martinez, P Hernández, J Bollo, E M Targarona
BACKGROUND: The incidence of perineal hernia after abdominoperineal excision and extralevator abdominoperineal excision ranges from 1 to 26%. In this systematic review, we compared surgical options and postoperative outcomes of perineal hernia repair in this setting from 2012 to 2016 with findings in a review of publications 1944-2011. METHODS: We searched the PubMed database using the keywords "hernia" AND "perineum" identified 392 papers published from 1946 to 2016...
May 15, 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/28503515/synthetic-versus-biological-mesh-related-erosion-after-laparoscopic-ventral-mesh-rectopexy-a-systematic-review
#20
REVIEW
Andrea Balla, Silvia Quaresima, Sebastian Smolarek, Mostafa Shalaby, Giulia Missori, Pierpaolo Sileri
PURPOSE: This review reports the incidence of mesh-related erosion after ventral mesh rectopexy to determine whether any difference exists in the erosion rate between synthetic and biological mesh. METHODS: A systematic search of the MEDLINE and the Ovid databases was conducted to identify suitable articles published between 2004 and 2015. The search strategy capture terms were laparoscopic ventral mesh rectopexy, laparoscopic anterior rectopexy, robotic ventral rectopexy, and robotic anterior rectopexy...
April 2017: Annals of Coloproctology
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