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https://www.readbyqxmd.com/read/28323880/randomized-controlled-trials-in-central-vascular-access-devices-a-scoping-review
#1
Mari Takashima, Gillian Ray-Barruel, Amanda Ullman, Samantha Keogh, Claire M Rickard
BACKGROUND: Randomized controlled trials evaluate the effectiveness of interventions for central venous access devices, however, high complication rates remain. Scoping reviews map the available evidence and demonstrate evidence deficiencies to focus ongoing research priorities. METHOD: A scoping review (January 2006-December 2015) of randomized controlled trials evaluating the effectiveness of interventions to improve central venous access device outcomes; including peripherally inserted central catheters, non-tunneled, tunneled and totally implanted venous access catheters...
2017: PloS One
https://www.readbyqxmd.com/read/28318927/classical-versus-custom-orbital-wall-reconstruction-selected-factors-regarding-surgery-and-hospitalization
#2
Rafał Zieliński, Marta Malińska, Marcin Kozakiewicz
PURPOSE: Nowadays, in orbital wall reconstruction, maxillofacial surgeons have the possibility to treat patients in modern ways such as with individual implants. Nevertheless, conventional treatment including standard titanium mesh shaped during the surgical procedure is also widely used. The aim of this study was to compare the above methods of orbital wall reconstructions. MATERIALS AND METHODS: In the first group (39 cases), patients were treated by means of computer-aided design/computer-aided manufacturing (CAD/CAM) milled individual implants made of ultra-high-molecular-weight polyethylene, dioxide zirconium and rapid prototyping titanium mesh pre-bent on an ABS model made by a three-dimensional (3D) printer...
February 17, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28318504/-economic-evaluation-of-medical-devices-not-included-in-the-french-list-of-products-and-services-qualifying-for-reimbursement-example-of-biologic-meshes
#3
A Sainfort, I Denis-Hallouard, G Aulagner, O Nuiry, X Armoiry
OBJECTIVES: To present a method aimed to evaluate the economic impact associated with the use of medical devices (DM) not reimbursed in addition to diagnosis related groups (DRGs) tariffs using the example of biological meshes for parietal reinforcement. METHODS: In this multicenter retrospective cohort study, we included all patients who received a biological mesh between January 2010-April 2014 (University hospitals of Saint-Étienne, France) or between January 2010-March 2015 (Lyon University hospitals, France)...
March 16, 2017: Annales Pharmaceutiques Françaises
https://www.readbyqxmd.com/read/28317346/-efficacy-of-systemic-administration-of-oxytocin-on-implant-osseointegration-in-osteoporotic-rats
#4
Wang Maiquan, Peng Liwei, Li Yunfeng
OBJECTIVE: This study investigated the effects of systemic administration of oxytocin (OT) in osteoporotic rats on implant osseointegration. METHODS: Twenty rats were randomly assigned to the control and experimental groups. Initially, the rats underwent bilateral ovariectomy. After 12 weeks, an osteoporosis model was established. Each rat received an implant at the distal and middle femoral metaphysis. Simultaneously, systemic administration was conducted with one group receiving subcutaneous injection of OT (1 mg·kg⁻¹ per day), whereas the other group received placebo injection...
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28306194/electrospun-biodegradable-microfibers-induce-new-collagen-formation-in-a-rat-abdominal-wall-defect-model-a-possible-treatment-for-pelvic-floor-repair
#5
Cecilie Glindtvad, Menglin Chen, Jens Vinge Nygaard, Lise Wogensen, Axel Forman, Carl Christian Danielsen, Mehmet Berat Taskin, Karl-Erik Andersson, Susanne Maigaard Axelsen
Half of the female population over age 50 years will experience pelvic organ prolapse. We suggest a new approach based on tissue engineering principles to functionally reconstruct the anatomical structures of the pelvic floor. The aim of this study is to investigate the mechanical performance and effect on collagen and elastin production of a degradable mesh releasing basic fibroblast growth factor (bFGF). Implantation of biodegradable mesh with or without bFGF in their core has been conducted in 40 rats in an abdominal wall defect model...
March 17, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28300876/comparative-study-of-polypropylene-versus-parietex-composite%C3%A2-vicryl%C3%A2-and-ultrapro%C3%A2-meshes-regarding-the-formation-of-intraperitoneal-adhesions
#6
Maria de Lourdes Pessole Biondo-Simões, Laísa Brandão Carvalho, Lucas Tavares Conceição, Kassyane Bordignon Piccinelli Dos Santos, Wagner Augusto Schiel, Mayara Arantes, Tatiane da Silveira, Júlio César Magri, Fernanda Fabrini Gomes
PURPOSE: To compare the polypropylene mesh (Marlex®) to Vicryl®, Parietex composite® and Ultrapro® meshes to assess the occurrence of adhesions in the intraperitoneal implantation. METHODS: Sixty Wistar rats were allocated into three groups: PP+V, in which all the animals received a polypropylene and a Vicryl® mesh; PP+PC, with the implantation of polypropylene and Parietex composite® meshes and PP+UP, in which there was implantation of polypropylene and Ultrapro®...
February 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28293505/accurate-measurements-of-the-skin-surface-area-of-the-healthy-auricle-and-skin-deficiency-in-microtia-patients
#7
Iris A Otto, Rob F M van Doremalen, Ferry P W Melchels, Michail N Kolodzynski, Behdad Pouran, Jos Malda, Moshe Kon, Corstiaan C Breugem
BACKGROUND: The limited cranial skin covering auricular implants is an important yet underrated factor in auricular reconstruction for both reconstruction surgery and tissue engineering strategies. We report exact measurements on skin deficiency in microtia patients and propose an accessible preoperative method for these measurements. METHODS: Plaster ear models (n = 11; male:female = 2:1) of lobular-type microtia patients admitted to the University Medical Center Utrecht in The Netherlands were scanned using a micro-computed tomographic scanner or a cone-beam computed tomographic scanner...
December 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28277472/transvaginal-repair-of-complex-rectovaginal-fistulas-using-the-porcine-urinary-bladder-matrix-as-an-augmenting-graft
#8
Hemikaa Devakumar, Neeraja Chandrasekaran, Alexandriah Alas, Laura Martin, G Willy Davila, Eric Hurtado
BACKGROUND: After the US Food and Drug Administration issued a safety warning concerning vaginal mesh implants in 2008, their use in correction of pelvic floor defects have decreased in the United States (http://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm479732.htm). However, we are still treating patients who have had complications associated with their use, rectovaginal fistulas (RVFs) being one of them. Rectovaginal fistulas are considered complex if greater than 2.5 cm, recurrent, associated with inflammatory bowel disease, or if they are proximal in location...
March 9, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28266155/re-long-term-follow-up-of-sacrocolpopexy-mesh-implants-at-two-time-intervals-at-least-1-year-apart-using-4d-transperineal-ultrasound-v-h-eisenberg-m-steinberg-z-weiner-e-schiff-and-l-lowenstein-ultrasound-obstet-gynecol-2017-49-398-403
#9
COMMENT
https://www.readbyqxmd.com/read/28263435/anti-inflammatory-coatings-of-hernia-repair-meshes-a-pilot-study
#10
Dmitry Gil, James Rex, William Cobb, Vladimir Reukov, Alexey Vertegel
The current prevalence of postoperative chronic pain from hernioplasty procedures employing polymer mesh is close to 30%. Most of the researchers agree that oxidative stress, resulting from the release of oxidants and enzymes during acute inflammatory response, is a key factor in the development of posthernioplasty complications. This results in both the decrease of the biomechanical properties and stiffening of the polymer fibers of the mesh, leading to chronic pain. Moreover, enhanced activity of inflammatory cells can lead to an excessive deposition of connective tissue around the implant...
March 6, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28263160/-reconstructive-breast-surgery-using-implant-and-mesh
#11
Lene Nyhøj Heidemann, Gudjon Leifur Gunnarsson, Camilla Bille, Jens Ahm Sørensen, Jørn Bo Thomsen
The demand for reconstructive surgery after therapeutic and prophylactic mastectomy is increasing. The hammock technique for breast reconstruction was introduced in 2001 and provides support for the implant using either biologically derived or synthetic mesh. The material is formed as a hammock in the lower pole of the reconstructed breast, and due to its supportive capabilities it has been found to shorten the time needed for reconstruction, decrease the risk of capsular contracture and leave a superior aesthetic result...
March 6, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28261372/alternatives-to-acellular-dermal-matrix-utilization-of-a-gore-dualmesh-sling-as-a-cost-conscious-adjunct-for-breast-reconstruction
#12
Jacob N Grow, James Butterworth, Paul Petty
Objective: This study seeks an alternative to acellular dermal matrix in 2-staged breast reconstruction while minimizing cost. It was hypothesized that use of a Gore DualMesh would allow for similar intraoperative tissue expander fill volumes, time to second-stage reconstruction, and number of postoperative fills compared with acellular dermal matrix at only a fraction of the expense. Methods: Retrospective analysis comparing Gore DualMesh (59 breasts, 34 patients), acellular dermal matrix (13 breasts, 8 patients), and total muscle coverage (25 breasts, 14 patients) for postmastectomy breast reconstruction was performed...
2017: Eplasty
https://www.readbyqxmd.com/read/28260890/preparation-of-a-nano-and-micro-fibrous-decellularized-scaffold-seeded-with-autologous-mesenchymal-stem-cells-for-inguinal-hernia-repair
#13
Yinlong Zhang, Yuanyuan Zhou, Xu Zhou, Bin Zhao, Jie Chai, Hongyi Liu, Yifei Zheng, Jinling Wang, Yaozong Wang, Yilin Zhao
Prosthetic meshes used for hernioplasty are usually complicated with chronic pain due to avascular fibrotic scar or mesh shrinkage. In this study, we developed a tissue-engineered mesh (TEM) by seeding autologous bone marrow-derived mesenchymal stem cells onto nanosized fibers decellularized aorta (DA). DA was achieved by decellularizing the aorta sample sequentially with physical, mechanical, biological enzymatic digestion, and chemical detergent processes. The tertiary structure of DA was constituted with micro-, submicro-, and nanosized fibers, and the original strength of fresh aorta was retained...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28258383/-new-worldwide-guidelines-for-treatment-of-inguinal-hernia-the-most-important-recommendations-from-herniasurge
#14
D Weyhe
SURGICAL TECHNIQUES: In the HerniaSurge guidelines the highest evidence is found with respect to recommendations for mesh-based surgery techniques. This includes Lichtenstein as well as the minimally invasive TEP/TAPP surgery. For discreet symptomatic or asymptomatic inguinal hernia, watchful waiting is an option if the state of health and social situation are taken into account; however, femoral hernia should be treated promptly with a mesh technique, with laparoendoscopic techniques being the more favored option...
March 3, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28256093/a-quantitative-structural-and-morphometric-analysis-of-the-purkinje-network-and-the-purkinje-myocardial-junctions-in-pig-hearts
#15
V Garcia-Bustos, R Sebastian, M Izquierdo, P Molina, F J Chorro, A Ruiz-Sauri
The morpho-functional properties of the distal section of the cardiac Purkinje network (PN) and the Purkinje-myocardial junctions (PMJs) are fundamental to understanding the sequence of electrical activation in the heart. The overall structure of the system has already been described, and several computational models have been developed to gain insight into its involvement in cardiac arrhythmias or its interaction with implantable devices, such as pacemakers. However, anatomical descriptions of the PN in the literature have not enabled enough improvements in the accuracy of anatomical-based electrophysiological simulations of the PN in 3D hearts models...
March 3, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28255332/development-of-a-patient-specific-finite-element-model-for-predicting-implant-failure-in-pelvic-ring-fracture-fixation
#16
Vickie Shim, Andreas Höch, Ronny Grunert, Steffen Peldschus, Jörg Böhme
Introduction. The main purpose of this study is to develop an efficient technique for generating FE models of pelvic ring fractures that is capable of predicting possible failure regions of osteosynthesis with acceptable accuracy. Methods. Patient-specific FE models of two patients with osteoporotic pelvic fractures were generated. A validated FE model of an uninjured pelvis from our previous study was used as a master model. Then, fracture morphologies and implant positions defined by a trauma surgeon in the preoperative CT were manually introduced as 3D splines to the master model...
2017: Computational and Mathematical Methods in Medicine
https://www.readbyqxmd.com/read/28255152/follicular-thyroid-cancer-with-sternal-metastasis-challenges-and-outcomes
#17
M A Syazni, H S Gendeh, N R Kosai, A R Ramzisham, B S Gendeh, N H Basiron, F H Imran
Sternal metastasis from differentiated thyroid carcinoma (DTC) is rare and presents a conundrum for surgeons. We present a lady diagnosed with follicular thyroid carcinoma and sternal metastasis who underwent thyroidectomy, sternectomy and sternoplasty with titanium mesh and acrylic plate. She developed a surgical site infection, of which multiple conservative approaches were attempted. She eventually required removal of the implant. Closure of sternal defect was completed with bilateral pectoralis major advancement flaps...
February 2017: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28252314/-current-state-of-transvaginal-meshes-by-resolution-of-pelvic-organ-prolapse
#18
J Jírová, M Pán
OBJECTIVE: Treatment of pelvic organs prolapse with transvaginal mesh kits represents nowadays a widespread surgical method, which partially replaced classic operations due to high success rate and low count of recurrences. Just like any other surgical method, the placement of transvaginal mesh is linked with occurrence of complications. In this article we attempt to review the more and less known facts about trans-vaginal meshes, their efficacy, count of recurrence and the spectrum of complications and we try to compare this technique with traditional surgical methods used to treat pelvic organs prolapse (without graft materials)...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28252312/-management-of-recurrent-stress-urinary-incontinence-after-anti-incontinence-surgery
#19
A Martan, J Mašata, K Švabík
OBJECTIVE: The review article describes the possibilities of procedures for failed anti-incontinence surgery - sling procedure or "bulking agent"? DESIGN: Review article. SETTING: Department of Obstetrics and Gynecology, General Faculty Hospital and 1st Medical Faculty, Charles University, Prague. MATERIALS AND METHODS: The correct choice of procedure type to treat persistent SUI (Stress Urinary Incontinence) which persists or soon reoccurs after anti-incontinence surgery is often problematic...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28244142/parallel-radiofrequency-transmission-at-3-tesla-to-improve-safety-in-bilateral-implanted-wires-in-a-heterogeneous-model
#20
Clare E McElcheran, Benson Yang, Kevan J T Anderson, Laleh Golestanirad, Simon J Graham
PURPOSE: Elongated implanted conductors can interact with the radiofrequency (RF) transmission field during MRI, posing safety concerns of excessive heating in patients with deep brain stimulators. A technique using parallel RF transmission (pTx) is evaluated on an anthropomorphic heterogeneous model with bilateral and unilateral curved wires. METHODS: Amplitude and phase were optimized by simulation to minimize heating surrounding the implanted wires and to minimize B1+ inhomogeneity for four-channel and eight-channel pTx in a heterogeneous model...
February 28, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
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