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https://www.readbyqxmd.com/read/28095515/effects-of-ultraviolet-photofunctionalization-on-bone-augmentation-and-integration-capabilities-of-titanium-mesh-and-implants
#1
Makoto Hirota, Takayuki Ikeda, Masako Tabuchi, Tomomichi Ozawa, Iwai Tohnai, Takahiro Ogawa
PURPOSE: Ultraviolet (UV)-mediated photofunctionalization has earned considerable attention for the enhancement of the biologic capabilities of titanium. The effects of photofunctionalization on bone augmentation and gap closure were examined using titanium implants and mesh in a rat femur model. MATERIALS AND METHODS: An acid-etched titanium implant (4-mm length, 1-mm diameter) was placed in the gluteal tuberosity that resembles a knife-edge-like edentulous ridge...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28091808/occupational-and-environmental-scleroderma-systematic-review-and-meta-analysis
#2
Manuel Rubio-Rivas, Rafael Moreno, Xavier Corbella
The etiology of systemic sclerosis (SSc) remains unknown; however, several occupational and environmental factors have been implicated. Our objective was to perform a meta-analysis of all studies published on SSc associated with occupational and environmental exposure. The review was undertaken by means of MEDLINE and SCOPUS from 1960 to 2014 and using the terms: "systemic," "scleroderma," or "systemic sclerosis/chemically induced" [MesH]. The Newcastle-Ottawa Scale was used for the qualifying assessment. The inverse variance-weighted method was performed...
January 14, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28060094/the-bioresorption-and-guided-bone-regeneration-of-absorbable-hydroxyapatite-coated-magnesium-mesh
#3
Soo-Hwan Byun, Ho-Kyung Lim, Soung-Min Kim, Sung-Mi Lee, Hyoun-Ee Kim, Jong-Ho Lee
INTRODUCTION: Nonabsorbable metallic membrane for guided bone regeneration is remained permanently even though after complete healing. There would be metallic exposure followed by the risk of infection; the membrane should be removed for the additional procedure such as implant installation. Since absorbable nonmetallic mesh is absorbed within 3 to 6 months, it is unnecessary to be removed. However, the absorbable membrane shows lower retention, lower mechanical strength, and difficulty of manipulation than the nonabsorbable ones...
January 5, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28057125/-treatment-and-outcome-of-polypropylene-mesh-or-tape-related-pain-after-reconstructive-pelvic-surgery
#4
Y Q Wang, X Yang, J L Wang
Objective: To investigate clinical treatment and outcome of mesh-related pain after pelvic floor reconstruction. Methods: Twelve patients were referred to Peking University People's Hospital for post-operation pain related to polypropylene mesh or tape used in pelvic floor reconstruction and received reoperation from January 2007 to December 2014. The demographic characteristics, clinical manifestation, operation method and follow-up outcome were retrospectively analyzed, and current literature was also reviewed...
December 25, 2016: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28056432/cadaver-study-of-anchorless-implant-for-the-treatment-of-anterior-and-apical-vaginal-wall-prolapse
#5
Mauro Cervigni, Alfredo Ercoli, Gil Levy
OBJECTIVE: This cadaver study was performed in order to evaluate the feasibility and the anatomical landmarks of a Self-Retaining device, a new unanchored mesh, for the treatment of anterior and apical vaginal prolapse. STUDY DESIGN: The Self-retaining device was implanted transvaginally in two cadavers. One cadaver underwent a detailed trans-abdominal dissection of the pelvis and the other cadaver, frozen after the implant placement, underwent a cross section dissection of the pelvis...
December 23, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28052048/a-biomimetic-mesh-for-treating-female-stress-urinary-incontinence
#6
Kuilin Lai, Jiazhen Zhang, Guoshuai Wang, Xin Luo, Man Liu, Xinzhi Zhang, Yuyu Yuan, Bin Liu, Tao Xu
For patients with medium to severe incontinence, sub-urethral support surgery has a high cure rate, but using synthetic meshes leads to some complications such as mesh erosion/exposure and thigh pain. Autologous or acellular extracellular matrix grafts present few complications but have a high recurrence rate. Regensling(™) is a new sling product made of a synthetic material with a biomimetic structure, aiming to provide long-term mechanical support with a lower complication rate. To assess the safety and effectiveness of Regensling(™), both in vitro and in vivo experiments were performed...
January 4, 2017: Biofabrication
https://www.readbyqxmd.com/read/28046063/three-dimensional-high-frequency-ultrasonography-for-early-detection-and-characterization-of-embryo-implantation-site-development-in-the-mouse
#7
Mary C Peavey, Corey L Reynolds, Maria M Szwarc, William E Gibbons, Cecilia T Valdes, Francesco J DeMayo, John P Lydon
Ultrasonography is a powerful tool to non-invasively monitor in real time the development of the human fetus in utero. Although genetically engineered mice have served as valuable in vivo models to study both embryo implantation and pregnancy progression, such studies usually require sacrifice of parous mice for subsequent phenotypic analysis. To address this issue, we used three-dimensional (3-D) reconstruction in silico of high-frequency ultrasound (HFUS) imaging data for early detection and characterization of murine embryo implantation sites and their development in utero...
2017: PloS One
https://www.readbyqxmd.com/read/28038883/orbital-fracture-repair-outcomes-with-preformed-titanium-mesh-implants-and-comparison-to-porous-polyethylene-coated-titanium-sheets
#8
Michelle Y Peng, Shannath L Merbs, Michael P Grant, Nicholas R Mahoney
BACKGROUND: Restoration of orbital volume after internal orbital fractures can prevent enophthalmos. A variety of allografts are commonly used including titanium mesh with and without porous polyethylene coating. Some controversy exists over the use of uncoated titanium mesh in the orbit. Newer products contoured to the three dimensional orbital anatomy aim to improve reestablishment of the complex orbital shape though studies of outcomes with their use are limited. METHODS: A retrospective chart review was performed to evaluate surgical outcomes in all patients who underwent orbital fracture repair with DePuy/Synthes titanium MatrixMIDFACE prefabricated implants (PFTi) as compared with porous polyethylene/titanium hybrid implants (PPETi) including Stryker Medpor Titan, MTB, and BTB implants...
December 3, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28034649/is-vaginal-mesh-a-stimulus-of-autoimmune-disease
#9
Bilal Chughtai, Art Sedrakyan, Jialin Mao, Karyn S Eilber, Jennifer T Anger, J Quentin Clemens
OBJECTIVE: To investigate a potential link between the development of systemic/ autoimmune disorders and synthetic polypropylene mesh repairs. METHODS: New York State Department of Health Statewide Planning and Research Cooperative System data was utilized to conduct this retrospective cohort study. Adult women undergoing surgery for pelvic organ prolapse (POP) with vaginally implanted mesh between January 2008 and December 2009 in inpatient and ambulatory surgery settings in New York State were identified...
December 26, 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28032164/innovative-management-of-implant-exposure-in-adm-implant-based-breast-reconstruction-with-negative-pressure-wound-therapy
#10
Antonello Accurso, Nicola Rocco, Giuseppe Accardo, Paola Reale, Carmela Salerno, Edi Mattera, Francesco D'Andrea
INTRODUCTION: One-stage implant-based breast reconstruction has been recently improved by the introduction of biological [acellular dermal matrix (ADM)] and synthetic meshes. Advantages of ADMs in implant-based breast reconstruction derive from the expansion of the space available for the direct positioning of an implant, but their use could be associated with several complications. Although the majority of complications can be easily managed, mistakes in dealing with the first clinical signs of a potential adverse event can lead to implant loss...
December 28, 2016: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28032155/serratus-anterior-fascia-flap-versus-muscular-flap-for-expander-coverage-in-two-stage-breast-reconstruction-following-mastectomy-early-post-operative-outcomes
#11
Daniele Bordoni, Pierfrancesco Cadenelli, Nicola Rocco, Ariel Tessone, Giuseppe Falco, Cesare Magalotti
INTRODUCTION: The demand for reconstructive breast surgery after mastectomy is increasing among women and the two-stage option remains the most commonly performed technique. We conducted a self-controlled prospective clinical trial comparing the use of the serratus anterior fascia with the serratus anterior detached fibers to cover the inferolateral aspect of the expander in immediate two-stage breast reconstruction following conservative mastectomies as oncological or risk-reducing procedures...
December 28, 2016: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28030858/reviewing-patients-following-mesh-repair-the-benefits
#12
Claudia R Kowalik, M M E Lakeman, Josephine E Oryszczyn, Jan Paul W R Roovers
BACKGROUND/AIMS: The use of synthetic mesh implants for vaginal prolapse surgery is still a subject of debate due to safety concerns. We aimed to explore long-term complications of all women treated with mesh surgery for pelvic organ prolapse (POP) in our centre. METHODS: This is a cross-sectional study of 188 women who underwent vaginal mesh surgery in a Dutch University Hospital between 2007 and 2012. The prevalence of mesh exposure, pain symptoms and patient satisfaction has been documented...
December 29, 2016: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28012327/incarcerated-and-eventrated-abdominal-wall-hernia-reconstruction-with-autologous-double-layer-dermal-graft-in-the-field-of-purulent-peritonitis-a-case-report
#13
Gábor Martis, Máté Rózsahegyi, János Deák, László Damjanovich
INTRODUCTION: Double-layer dermal grafts are used for the management of complicated abdominal wall hernias in obese, high risk patients. The method has not yet been used in case of emergency in septic/dirty environment. CASE REPORT: A 76-year old female patient (BMI 36.7kg/m(2)) was admitted with mechanical bowel obstruction and sepsis caused by a third time recurred, incarcerated and eventrated abdominal wall hernia. During the emergency surgery perforation of the terminal ileum and the ascending colon was detected, along with a feculent peritonitis and extended abdominal wall necrosis...
December 6, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28012032/abdominal-wall-reinforcement-biologic-vs-degradable-synthetic-devices
#14
S Gruber-Blum, J Brand, C Keibl, R H Fortelny, H Redl, F Mayer, A H Petter-Puchner
BACKGROUND: New biodegradable synthetic and biologic hernia implants have been promoted for rapid integration and tissue reinforcement in challenging repairs, e.g. at the hiatus or in contaminated wound fields. Interestingly, experimental data to support or falsify this assumption is scarce. METHODS: Synthetic (BioA(®)) and biologic implants (porcine and bovine collagen matrices Strattice(®) and Veritas(®)) have been tested in experimental onlay hernia repair in rats in observation periods of 30 and 60 days...
December 23, 2016: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28008545/a-tri-leaflet-nitinol-mesh-scaffold-for-engineering-heart-valves
#15
S Hamed Alavi, Marc Soriano Baliarda, Noemi Bonessio, Lorenzo Valdevit, Arash Kheradvar
The epidemiology of valvular heart disease has significantly changed in the past few decades with aging as one of the main contributing factors. The available options for replacement of diseased valves are currently limited to mechanical and bioprosthetic valves, while the tissue engineered ones that are under study are currently far from clinical approval. The main problem with the tissue engineered heart valves is their progressive deterioration that leads to regurgitation and/or leaflet thickening a few months after implantation...
December 22, 2016: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28007752/assessment-of-the-uterus-with-three-dimensional-ultrasound-in-women-undergoing-art
#16
REVIEW
Sotirios H Saravelos, Kannamannadiar Jayaprakasan, Kamal Ojha, Tin-Chiu Li
BACKGROUND: A detailed assessment of the uterus forms a pivotal part of the ART treatment process. The emergence of three-dimensional ultrasound (3D US) has provided clinicians with a highly powerful tool in this respect. Assessments with 3D US range from the reconstruction of anatomical planes elusive to conventional US, to the objective measurement of anatomical volumes and vascularization parameters. However, despite the ever increasing number of publications emerging in the literature, the question of which aspects of 3D US are of most clinical value remains a topic of debate...
December 21, 2016: Human Reproduction Update
https://www.readbyqxmd.com/read/28005746/customized-orbital-wall-reconstruction-using-three-dimensionally-printed-rapid-prototype-model-in-patients-with-orbital-wall-fracture
#17
Tae Suk Oh, Woo Shik Jeong, Taik Jin Chang, Kyung S Koh, Jong-Woo Choi
BACKGROUND: It is difficult to restore original orbital contours because of their complex 3-dimensional structure. Moreover, slight implant malpositioning can result in enophthalmos or other complications. The authors describe our experience of using individualized prebent titanium-Medpor mesh implants and stereolithographic modeling in a series of patients who underwent orbital wall reconstruction. METHODS: A consecutive series of 104 patients with orbital fractures received computer simulation-designed prebent titanium-Medpor mesh implants insertion...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28004989/how-long-is-long-enough-to-identify-a-surgical-site-infection
#18
Julie L Holihan, Juan R Flores-Gonzalez, Jiandi Mo, Tien C Ko, Lillian S Kao, Mike K Liang
BACKGROUND: The U.S. Centers for Disease Control requires 90 days after surgery using an implant to diagnose or show the absence of a surgical site infection (SSI). However, many databases only track outcomes up to 30 days. The cost and effort to increase follow-up to 90 days after surgery is high and the benefit is unclear. We hypothesize that the majority of SSIs after ventral hernia repair occur within 30 days of surgery. PATIENTS AND METHODS: All patients who underwent ventral hernia repair (with or without mesh) from 2010-2015 at a single institution were evaluated for evidence of SSI...
December 22, 2016: Surgical Infections
https://www.readbyqxmd.com/read/27999799/alveolar-ridge-reconstruction-with-titanium-meshes-and-simultaneous-implant-placement-a-retrospective-multicenter-clinical-study
#19
Raquel Zita Gomes, Andres Paraud Freixas, Chang-Hun Han, Sohueil Bechara, Isaac Tawil
Objective. To evaluate horizontal bone gain and implant survival and complication rates in patients treated with titanium meshes placed simultaneously with dental implants and fixed over them. Methods. Twenty-five patients treated with 40 implants and simultaneous guided bone regeneration with titanium meshes (i-Gen®, MegaGen, Gyeongbuk, Republic of Korea) were selected for inclusion in the present retrospective multicenter study. Primary outcomes were horizontal bone gain and implant survival; secondary outcomes were biological and prosthetic complications...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27994499/adhesion-prevention-efficacy-of-composite-meshes-parietex-%C3%A2-proceed-%C3%A2-and-4dryfield-%C3%A2-ph-covered-polypropylene-meshes-in-an-ipom-rat-model
#20
Markus Winny, Lavinia Maegel, Leonie Grethe, Torsten Lippmann, Danny Jonigk, Harald Schrem, Alexander Kaltenborn, Juergen Klempnauer, Daniel Poehnert
Background: Adhesions to intraperitoneally implanted meshes (IPOM) are a common problem following hernia surgery and may cause severe complications. Recently, we showed that missing peritoneal coverage of the intestine is a decisive factor for adhesion formation and 4DryField(®) PH (4DF) gel significantly prevents intestine-to-mesh adhesions even with use of uncoated Ultrapro(®) polypropylene mesh (UPM). The present study investigates adhesion prevention capability of coated Parietex(®) mesh (PTM) and Proceed(®) mesh (PCM) in comparison to 4DF treated UPM...
2016: International Journal of Medical Sciences
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