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https://www.readbyqxmd.com/read/28817158/characteristics-and-efficacy-of-a-new-3-dimensional-printed-mesh-structure-titanium-alloy-spacer-for-posterior-lumbar-interbody-fusion
#1
Sung-Soo Chung, Kyung-Joon Lee, Yoo-Beom Kwon, Kyung-Chung Kang
This study evaluated the characteristics of a newly developed 3-dimensional printed mesh structure titanium spacer and its efficacy for posterior lumbar interbody fusion. Posterior lumbar interbody fusion with this spacer was performed at 53 segments (40 patients; mean age, 64 years; range, 51-73 years). Data were collected prospectively. Radiographic characteristics were analyzed with changes in interbody height, instability of the segments, formation of bone bridges around the implants, and pseudarthrosis, as determined by dynamic radiographs and postoperative computed tomography scans...
August 17, 2017: Orthopedics
https://www.readbyqxmd.com/read/28816719/the-limitations-of-implantable-mesh-in-mastopexy
#2
Eric Swanson
No abstract text is available yet for this article.
August 14, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28815398/characterization-of-host-response-resorption-and-strength-properties-and-performance-in-the-presence-of-bacteria-for-fully-absorbable-biomaterials-for-soft-tissue-repair
#3
N F N Stoikes, J R Scott, A Badhwar, C R Deeken, G R Voeller
PURPOSE: The objective was to evaluate the host response, resorption, and strength properties, and to assess the performance in the presence of bacteria for Phasix™ Mesh (Phasix™) and Gore(®) Bio-A(®) Tissue Reinforcement (Bio-A(®)) in preclinical models. METHODS: In a rat model, one mesh (2 × 2 cm) was implanted subcutaneously in n = 60 rats. Animals were euthanized after 2, 4, 8, 12, 16, or 24 weeks (n = 5/mesh/time point), and implant sites were assessed for host inflammatory response and overall fibrotic repair thickness...
August 16, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28810210/biomechanical-and-histologic-evaluation-of-two-application-forms-of-surgical-glue-for-mesh-fixation-to-the-abdominal-wall
#4
Á Ortillés, G Pascual, E Peña, M Rodríguez, B Pérez-Köhler, C Mesa-Ciller, B Calvo, J M Bellón
The use of an adhesive for mesh fixation in hernia repair reduces chronic pain and minimizes tissue damage in the patient. This study was designed to assess the adhesive properties of a medium-chain (n-butyl) cyanoacrylate glue applied as drops or as a spray in a biomechanical and histologic study. Both forms of glue application were compared to the use of simple-loose or continuous-running polypropylene sutures for mesh fixation. Eighteen adult New Zealand White rabbits were used. For mechanical tests in an ex vivo and in vivo study, patches of polypropylene mesh were fixed to an excised fragment of healthy abdominal tissue or used to repair a partial abdominal wall defect in the rabbit respectively...
August 8, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28806291/revisiting-the-abdominal-donor-site-introducing-a-novel-nomenclature-for-autologous-breast-reconstruction
#5
Jason M Weissler, Frank P Albino, Martin J Carney, Liza C Wu
As abdominally-based free flaps for breast reconstruction continue to evolve, significant effort has been invested in minimizing donor-site morbidity. The impact on the donor-site remains a prevailing principle for breast reconstruction, and thus must be adequately reflected when classifying what is left behind following flap harvest. Although successful in describing the type of flap harvested, the existing nomenclature falls short of incorporating certain critical variables, such as degree of muscular preservation, fascial involvement, mesh implantation, and segmental nerve anatomy...
August 3, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28806146/three-dimensional-bioprinting-of-polycaprolactone-reinforced-gene-activated-bioinks-for-bone-tissue-engineering
#6
Gráinne M Cunniffe, Tomas Gonzalez-Fernandez, Andrew Daly, Binulal N Sathy, Oju Jeon, Eben Alsberg, Daniel J Kelly
Regeneration of complex bone defects remains a significant clinical challenge. Multi-tool biofabrication has permitted the combination of various biomaterials to create multifaceted composites with tailorable mechanical properties and spatially controlled biological function. In this study we sought to use bioprinting to engineer nonviral gene activated constructs reinforced by polymeric micro-filaments. A gene activated bioink was developed using RGD-γ-irradiated alginate and nano-hydroxyapatite (nHA) complexed to plasmid DNA (pDNA)...
August 14, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28805958/large-orbital-defect-reconstruction-in-the-setting-of-globe-sparing-maxillectomy-the-titanium-hammock-and-layered-fibula-technique
#7
Samuel J Trosman, Timothy M Haffey, Rafael A Couto, Michael A Fritz
INTRODUCTION: The purpose of our study was to describe a novel technique for reconstruction of orbital defects after maxillectomy using a non-anatomic titanium mesh suspension of orbital contents for both support and volume correction. This construct is then articulated with a layered fibula osteocutaneous free flap that restores orbital rim, zygoma, and maxillary alveolus. We herein present our application of this technique, including refinements over time and long-term outcomes. METHODS: A retrospective review was performed on 12 patients who underwent reconstruction of Brown class III orbitopalatomaxillary defects with extensive orbital involvement (at minimum complete orbital floor and rim absent) with titanium mesh sling and a layered fibula free flap...
August 14, 2017: Microsurgery
https://www.readbyqxmd.com/read/28803112/in-vivo-documentation-of-shape-and-position-changes-of-mri-visible-mesh-placed-in-rectovaginal-septum
#8
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/28798783/mesh-covered-roadsaver-stent-as-a-new-treatment-modality-for-symptomatic-or-high-risk-carotid-stenosis
#9
Roman Machnik, Piotr Paluszek, Łukasz Tekieli, Karolina Dzierwa, Damian Maciejewski, Mariusz Trystuła, Andrzej Brzychczy, Krzysztof Banaszkiewicz, Robert Musiał, Piotr Pieniążek
INTRODUCTION: Prevention of periprocedural stroke has a crucial role in carotid artery stenting (CAS) procedures. AIM: To assess retrospectively 30-day safety and effectiveness of 41 procedures of internal and common carotid artery stenting using the Roadsaver double nitinol layer micromesh stent in 40 non-consecutive patients with symptomatic or high-risk carotid artery stenosis. MATERIAL AND METHODS: The patients were men (n = 31) and women (n = 9); mean age was 67...
2017: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/28797120/medication-eluting-devices-for-the-field-of-obgyn-medobgyn-3d-printed-biodegradable-hormone-eluting-constructs-a-proof-of-concept-study
#10
Karthik Tappa, Udayabhanu Jammalamadaka, David H Ballard, Todd Bruno, Marissa R Israel, Harika Vemula, J Mark Meacham, David K Mills, Pamela K Woodard, Jeffery A Weisman
3D printing has the potential to deliver personalized implants and devices for obstetric and gynecologic applications. The aim of this study is to engineer customizable and biodegradable 3D printed implant materials that can elute estrogen and/or progesterone. All 3D constructs were printed using polycaprolactone (PCL) biodegradable polymer laden with estrogen or progesterone and were subjected to hormone-release profile studies using ELISA kits. Material thermal properties were tested using thermogravimetric analysis and differential scanning calorimetry...
2017: PloS One
https://www.readbyqxmd.com/read/28789860/oral-health-related-quality-of-life-in-subjects-with-implant-supported-prostheses-a-systematic-review
#11
REVIEW
Daniel R Reissmann, Michel Dard, Ragna Lamprecht, Julia Struppek, Guido Heydecke
OBJECTIVES: The aim of the present study was to review the current literature relating to the impact of dental implants on oral health-related quality of life (OHRQoL) in edentulous or partially dentate patients. DATA/SOURCES: Systematic literature searches were performed in the PubMed, EMBASE, and Cochrane Library databases, using high level MeSH terms. The searches were limited to studies published in English from 1960 to June 11, 2017, reporting OHRQoL outcomes using validated instruments, and having enrolled at least 50 patients...
August 5, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28770896/six-arms-mesh-implant-application-with-organ-preserving-in-a-young-patient-with-total-pelvic-organ-prolapse
#12
Gokmen Sukgen, Adem Altunkol, Deniz Abat
Pelvic Organ Prolapse (POP) is defined as the prolapse of the pelvic organs toward or through the vaginal opening as a result of the weakening of the combination of nerves, muscles and fascia, which normally protect and support the physical position of pelvic organs. In this case report, the 30-year old patient who applied with the pelvic prolapse through the vaginal opening was treated with Sacro Uterine Ligamentopexy and anterior 6 arms mesh implant, without applying hysterectomy. In the short follow-up period of three months, both anatomic improvement and positive developments in sexual and social life have been recorded in the patient's life...
July 2017: JPMA. the Journal of the Pakistan Medical Association
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
#13
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/28760734/an-ex-vivo-model-using-human-peritoneum-to-explore-mesh-tissue-integration
#14
Peter Falk, Fernando Ruiz-Jasbon, Karin Strigård, Ulf Gunnarsson, Marie-Lois Ivarsson
Biological compatibility, in terms of implantation of foreign mesh material in hernia surgery, still needs experimental investigation. Present study develops an experimental model using human peritoneum to study the integration between tissue and different mesh material. The ex vivo model using peritoneal tissue was studied with different mesh material, and integration was monitored over time using microscopy.It could be demonstrated that the peritoneal model may be kept viable in culture for several weeks...
July 31, 2017: Biology Open
https://www.readbyqxmd.com/read/28760722/optical-coherence-tomography-assessment-of-new-generation-mesh-covered-stents-after-carotid-stenting
#15
Tomoyuki Umemoto, Gianmarco de Donato, Andrea Pacchioni, Bernhard Reimers, Giuseppe Ferrante, Mitsuaki Isobe, Carlo Setacci
AIMS: The aim of this study was to identify the findings by optical coherence tomography (OCT) after carotid artery stenting (CAS) with two different types of new generation mesh- covered stents. METHODS AND RESULTS: Sixteen consecutive patients undergoing CAS with mesh-covered stents and high-definition OCT image acquisition were enrolled in the study. Cross-sectional OCT images for the presence of strut malapposition (SM) and plaque prolapse (PP) were evaluated under using the proximal or distal embolic protection device (EPD)...
August 1, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28753896/reoperations-for-female-stress-urinary-incontinence-a-finnish-national-register-study
#16
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/28753895/oestradiol-releasing-biodegradable-mesh-stimulates-collagen-production-and-angiogenesis-an-approach-to-improving-biomaterial-integration-in-pelvic-floor-repair
#17
Naşide Mangır, Christopher J Hillary, Christopher R Chapple, Sheila MacNeil
BACKGROUND: Polypropylene meshes cause severe complications in some patients. Materials that are biomechanically compatible and can better integrate into host tissues are urgently needed. OBJECTIVE: To design an oestradiol-releasing electrospun poly-l-lactic acid (PLA) mesh and evaluate its ability to stimulate new extracellular matrix and new blood vessel formation. DESIGN, SETTING, AND PARTICIPANTS: Human adipose derived mesenchymal cells (ADMSC) were isolated from fat...
June 3, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28750602/mechanical-induction-of-bi-directional-orientation-of-primary-porcine-bladder-smooth-muscle-cells-in-tubular-fibrin-poly-vinylidene-fluoride-scaffolds-for-ureteral-and-urethral-repair-using-cyclic-and-focal-balloon-catheter-stimulation
#18
Volker Seifarth, Joachim O Grosse, Matthias Gossmann, Heinz Peter Janke, Patrick Arndt, Sabine Koch, Matthias Epple, Gerhard M Artmann, Aysegül Temiz Artmann
To restore damaged organ function or to investigate organ mechanisms, it is necessary to prepare replicates that follow the biological role model as faithfully as possible. The interdisciplinary field of tissue engineering has great potential in regenerative medicine and might overcome negative side effects in the replacement of damaged organs. In particular, tubular organ structures of the genitourinary tract, such as the ureter and urethra, are challenging because of their complexity and special milieu that gives rise to incrustation, inflammation and stricture formation...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28748521/clinical-outcome-of-alveolar-ridge-augmentation-with-individualized-cad-cam-produced-titanium-mesh
#19
K Sagheb, E Schiegnitz, M Moergel, C Walter, B Al-Nawas, W Wagner
BACKGROUND: The augmentation of the jaw has been and continues to be a sophisticated therapy in implantology. Modern CAD-CAM technologies lead to revival of old and established augmentation techniques such as the use of titanium mesh (TM) for bone augmentation. The aim of this retrospective study was to evaluate the clinical outcome of an individualized CAD-CAM-produced TM based on the CT/DVT-DICOM data of the patients for the first time. METHODS: In 17 patients, 21 different regions were augmented with an individualized CAD-CAM-produced TM (Yxoss CBR®, Filderstadt, Germany)...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28747299/patients-cry-whitewash-as-nhs-refuses-to-halt-use-of-mesh-implants
#20
Rebecca Coombes
No abstract text is available yet for this article.
July 26, 2017: BMJ: British Medical Journal
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