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https://www.readbyqxmd.com/read/28442690/mini-drainage-devices-for-anterior-and-intermediate-filtration
#1
Marco Nardi, Chiara Posarelli, Francesco Nasini, Michele Figus
Mini glaucoma devices for external filtration may be implanted with an ab externo procedure (Ex-PRESS and InnFocus Microshunt) or with an ab interno procedure (XEN Gel stent). The Ex-PRESS is an FDA-approved mini glaucoma device that has been developed in order to simplify anterior guarded filtering procedures, making them faster, safer and easier. It is positioned under a scleral flap and it is introduced in the anterior chamber through a needle hole, avoiding the excision of the corneal-scleral button and the iridectomy...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28434694/a-prospective-randomized-trial-of-mini-incision-posterior-and-2-incision-total-hip-arthroplasty-minimum-5-year-follow-up
#2
Robert A Sershon, Matthew W Tetreault, Craig J Della Valle
BACKGROUND: We previously described the results of a randomized controlled trial of mini-posterior vs 2-incision total hip arthroplasty and were unable to demonstrate significant differences in early outcomes. As less-invasive anterior approaches remain popular, the purpose of this report was to re-examine the outcomes at a minimum 5-year follow-up. METHODS: Seventy-two patients undergoing primary total hip arthroplasty were randomized to a mini-posterior or 2-incision approach...
March 23, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28430049/minimally-invasive-instrumentation-without-fusion-during-posterior-thoracic-corpectomies-a-comparison-of-percutaneously-instrumented-nonfused-segments-with-open-instrumented-fused-segments
#3
Darryl Lau, Dean Chou
OBJECTIVE During the mini-open posterior corpectomy, percutaneous instrumentation without fusion is performed above and below the corpectomy level. In this study, the authors' goal was to compare the perioperative and long-term implant failure rates of patients who underwent nonfused percutaneous instrumentation with those of patients who underwent traditional open instrumented fusion. METHODS Adult patients who underwent posterior thoracic corpectomies with cage reconstruction between 2009 and 2014 were identified...
April 21, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28409734/intratumoral-delivery-of-bortezomib-impact-on-survival-in-an-intracranial-glioma-tumor-model
#4
Weijun Wang, Hee-Yeon Cho, Rachel Rosenstein-Sisson, Nagore I Marín Ramos, Ryan Price, Kyle Hurth, Axel H Schönthal, Florence M Hofman, Thomas C Chen
OBJECTIVE Glioblastoma (GBM) is the most prevalent and the most aggressive of primary brain tumors. There is currently no effective treatment for this tumor. The proteasome inhibitor bortezomib is effective for a variety of tumors, but not for GBM. The authors' goal was to demonstrate that bortezomib can be effective in the orthotopic GBM murine model if the appropriate method of drug delivery is used. In this study the Alzet mini-osmotic pump was used to bring the drug directly to the tumor in the brain, circumventing the blood-brain barrier; thus making bortezomib an effective treatment for GBM...
April 14, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28407422/microbiological-diagnosis-of-device-related-biofilm-infections
#5
REVIEW
Yijuan Xu, Lone Heimann Larsen, Jan Lorenzen, Luanne Hall-Stoodley, Judith Kikhney, Annette Moter, Trine Rolighed Thomsen
Medical device-related infections cause undue patient distress, increased morbidity and mortality and pose a huge financial burden on healthcare services. The pathogens are frequently distributed heterogeneously in biofilms, which can persist without being effectively cleared by host immune defenses and antibiotic therapy. At present, there is no 'gold standard' available to reveal the presence of device-related biofilm infections. However, adequate sample collection and logistics, standardised diagnostic methods, and interpretation of results by experienced personnel are important steps in efficient diagnosis and treatment of these infections...
April 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28396186/-eight-days-of-nightmares-%C3%A2-octogenarian-patients-experiences-of-postoperative-delirium-after-transcatheter-or-surgical-aortic-valve-replacement
#6
Irene Instenes, Eva Gjengedal, Leslie S P Eide, Karel K J Kuiper, Anette H Ranhoff, Tone M Norekvål
BACKGROUND: Surgical aortic valve replacement (SAVR) and transcatheter aortic valve implantation (TAVI) are increasingly performed in octogenarian patients with severe aortic stenosis (AS), including those with high surgical risk. Postoperative delirium (PD) is a common and serious complication in older patients, characterised by reduced awareness, change in consciousness, disturbance in logical thinking and hallucinations. METHODS: To explore how octogenarian patients experienced PD, a qualitative study was conducted including five women and five men between 81 and 88 years...
March 20, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28392115/small-calibre-percutaneous-nephrolithotomy-sc-pcnl-therapeutic-decision-algorithm
#7
J H Amón Sesmero, M Cepeda Delgado, B de la Cruz Martín, J A Mainez Rodriguez, D Alonso Fernández, V Rodriguez Tesedo, D A Martín Way, J Gutiérrez Aceves
INTRODUCTION: The progressive reduction in the calibre of the tract in percutaneous kidney surgery to the point of miniaturisation has expanded its use to smaller stones that until now have been treated with extracorporeal shock wave lithotripsy (ESWL) and retrograde intrarenal surgery (RIRS). OBJECTIVE: To provide an update on the various techniques of small-calibre nephrolithotomy (SC-PCNL) analyse their efficacy, safety and indications and determine their degree of implantation at this time...
April 6, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28384945/excision-versus-fixation-of-the-radial-head-a-comparative-study-of-the-functional-outcomes-of-the-two-techniques
#8
Sanath Kumar Shetty, Ashwin Shetty, Bijith Balan, Arjun Ballal, H Ravindranath Rai, Anoop Hegde
INTRODUCTION: The management of displaced and comminuted radial head fractures has been a matter of debate amongst surgeons for many years. Radial head excision formed the mainstay of surgical management of these injuries. Over the years, there have been improvements in the surgical techniques and availability of better implants and instrumentation techniques, hence, open reduction and internal fixation of these fractures is gaining popularity. AIM: To compare the outcome of elbow function between radial head excision and open reduction and internal fixation of the radial head with mini screws of Mason Type II and Type III radial head fractures and to assess the complications that occur in both techniques...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28383605/evaluation-of-fracture-torque-resistance-of-orthodontic-mini-implants
#9
Fernando Dalla Rosa, Paola Fp Burmann, Henrique C Ruschel, Ivana A Vargas, Paulo F Kramer
This study sought to assess the fracture torque resistance of mini-implants used for orthodontic anchorage. Five commercially available brands of mini-implants were used (SIN®, CONEXÃO®, NEODENT®, MORELLI®, andFORESTADENT®). Ten mini-implants of each diameter of each brand were tested, for a total 100 specimens. The mini-implants were subject to a static torsion test as described in ASTMstandard F543. Analysis of variance (ANOVA) with the Tukey multiple comparisons procedure was used to assess results...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28381794/effect-of-nerve-growth-factor-on-innervation-of-perivascular-nerves-in-neovasculatures-of-mouse-cornea
#10
Akiko Matsuyama, Shingo Takatori, Yoko Sone, Eiko Ochi, Mitsuhiro Goda, Yoshito Zamami, Narumi Hashikawa-Hobara, Yoshihisa Kitamura, Hiromu Kawasaki
Angiogenesis, which is the generation of new vascular networks from existing blood vessels, occurs under normal and pathophysiological conditions. Perivascular nerves, which innervate mature vasculatures, maintain vascular tone and regulate tissue blood flow. However, little is known whether perivascular nerves innervate newborn blood vessels. Therefore, the aim of this study was to investigate the distribution and characterization of perivascular nerves in neovasculatures, which were generated by the mouse corneal micropocket method...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28380469/lower-molar-distalization-with-mini-implant-anchorage-in-asymmetrical-class-ii-cases
#11
Fabricio Pinelli Valarelli, Manoel Heitor Brito, Rodrigo Hermont Cancado, Karina Maria Salvatore Freitas
No abstract text is available yet for this article.
February 2017: Journal of Clinical Orthodontics: JCO
https://www.readbyqxmd.com/read/28371496/osteogenic-ability-detection-of-human-bone-morphogenetic-protein-2-gene-activated-nano-bone-putty-by-reusable-double-cavity-bone-harvest-chamber
#12
Li Sun, Zhi-Hui Yan, Xian-Teng Yang, Tai-Zhe Wang, Qin Yang, Sen-Lei Li, Ying-Jie Nie, Xiao-Bin Tian
OBJECTIVE: To explore the feasibility of implanting a self-designed reusable double-cavity bone harvest chamber into Guizhou mini-pigs for observation of the osteogenic effect of human bone morphogenetic protein-2 (hBMP-2) gene-activated nano bone putty on bone in growth. METHODS: Eight healthy 12-month-old female Guizhou mini-pigs were used for the present experiment. In the first operation, empty double-cavity bone harvest chambers (n = 8) were implanted into the femoral metaphysis of the animals as a blank control group...
February 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28365819/strut-protrusion-and-shape-impact-on-endothelial-shear-stress-insights-from-pre-clinical-study-comparing-mirage-and-absorb-bioresorbable-scaffolds
#13
Erhan Tenekecioglu, Yohei Sotomi, Ryo Torii, Christos Bourantas, Yosuke Miyazaki, Carlos Collet, Tom Crake, Solomon Su, Yoshinobu Onuma, Patrick W Serruys
Protrusion of scaffold struts is related with local coronary flow dynamics that can promote scaffold restenosis and thrombosis. That fact has prompted us to investigate in vivo the protrusion status of different types of scaffolds and their relationship with endothelial shear stress (ESS) distributions. Six Absorb everolimus-eluting Bioresorbable Vascular Scaffolds (Absorb, Abbott Vascular) and 11 Mirage sirolimus-eluting Bioresorbable Microfiber Scaffolds (Mirage, Manli Cardiology) were implanted in coronaries of eight mini pigs...
April 1, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28358711/the-influence-of-implant-body-and-thread-design-of-mini-dental-implants-on-the-loading-of-surrounding-bone-a-finite-element-analysis
#14
Arpad Toth, Istabrak Hasan, Christoph Bourauel, Torsten Mundt, Reiner Biffar, Friedhelm Heinemann
Mini dental implants (MDI) were once thought of as transitional implants for treatment in selected clinical situations. Their reduced diameter makes them a very attractive option for patients with poor tolerance to maxillary and mandibular prostheses. Using the method of finite element analysis, a series of different designed MDI prototypes have been investigated. The prototypes differed in the geometry of implant body and/or design of implant head. The load transfer of the implant prototypes to the idealised alveolar bone has been regarded and the prototypes have been compared to each other and to a number of standard commercial implants...
March 30, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28355171/glaucoma-mini-shunt-implantation-after-keratoplasty
#15
Jasbeth Ledesma-Gil, María de Los Ángeles García-Rodríguez, Lulu U Gurria, Enrique O Graue-Hernández, Alejandro Navas
PURPOSE: To report the outcomes of patients who underwent miniature glaucoma shunt implantation after secondary glaucoma due to keratoplasty. MATERIALS AND METHODS: Prospective study of consecutive clinical cases who underwent mini-glaucoma shunt implantation following keratoplasty. In brief, a fornix-based conjunctival flap was performed, approximately 50% thickness scleral flap. Mitomycin C 0.025% placed under Tenon's capsule. A 25-G needle created entry for mini-shunt...
April 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28350585/effect-of-anchor-length-on-the-pullout-strength-of-palatal-mini-implants
#16
Yu-Chuan Tseng, Chun-Chan Ting, Ju-Hui Wu, Hong-Sen Chen, Chun-Ming Chen
PURPOSE: The aim of this study was to evaluate the pullout strength of 3 different orthodontic mini implants. MATERIALS AND METHODS: Twenty-seven mini implants (diameter: 2 mm, length: 7 mm) were implanted into artificial bone (Sawbones; Pacific Research Laboratories Inc.) at depths of 3, 4, and 5 mm. The insertion torque (IT), resonance frequency (RF), pullout strength (PS), and anchor length (AL) were measured. One-way analysis of variance with Tukey honest significant difference (HSD) postcomparison were used to detect intergroup differences...
March 24, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28349251/the-effect-of-magnesium-on-early-osseointegration-in-osteoporotic-bone-a-histological-and-gene-expression-investigation
#17
S Galli, M Stocchero, M Andersson, J Karlsson, W He, T Lilin, A Wennerberg, R Jimbo
Magnesium has a key role in osteoporosis and could enhance implant osseointegration in osteoporotic patients. Titanium implants impregnated with Mg ions were installed in the tibia of ovariectomized rats. The release of Mg induced a significant increase of bone formation and the expression of anabolic markers in the peri-implant bone. INTRODUCTION: The success of endosseous implants is highly predictable in patients possessing normal bone status, but it may be impaired in patients with osteoporosis...
March 27, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28342579/magnetic-mini-mover-procedure-for-pectus-excavatum-iv-fda-sponsored-multicenter-trial
#18
Claire E Graves, Shinjiro Hirose, Gary W Raff, Corey W Iqbal, Jill Imamura-Ching, Darrell Christensen, Richard Fechter, Dillon Kwiat, Michael R Harrison
PURPOSE: The Magnetic Mini-Mover Procedure (3MP) is a minimally invasive treatment for prepubertal patients with pectus excavatum. This multicenter trial sought to supplement safety and efficacy data from an earlier pilot trial. METHODS: Fifteen patients with pectus excavatum had a titanium-enclosed magnet implanted on the sternum. Externally, patients wore a custom-fitted magnetic brace. Patients were monitored closely for safety. Efficacy was determined by the Haller Index (HI) and satisfaction surveys...
March 15, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28339580/the-integration-of-orthodontic-miniscrews-under-mechanical-loading-a-pre-clinical-study-in-rabbit
#19
B Giuliano Maino, Alberto Di Blasio, Davide Spadoni, Francesca Ravanetti, Carlo Galli, Antonio Cacchioli, Christos Katsaros, Mauro Gandolfini
Introduction: Orthodontic miniscrews are an increasingly popular choice to achieve absolute anchorage. The temporary use of miniscrews and their recent introduction have limited the debate over the biological aspect of the materials to that of the surface that permeates the field of dental implants. The aim of the present study was to investigate the integration of grade 5 titanium mini-implants with machined or sand blasted acid etched surface (SAE) under mechanical load in a rabbit tibia model of implant integration...
January 18, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28338306/implantation-of-a-biodegradable-rectum-balloon-implant-tips-tricks-and-pitfalls
#20
Ben G L Vanneste, Kees van De Beek, Ludy Lutgens, Philippe Lambin
INTRODUCTION: A rectum balloon implant (RBI) is a new device to spare rectal structures during prostate cancer radiotherapy. The theoretical advantages of a RBI are to reduce the high radiation dose to the anterior rectum wall, the possibility of a post-implant correction, and their predetermined shape with consequent predictable position. OBJECTIVE: To describe, step-by-step, our mini-invasive technique for hands-free transperineal implantation of a RBI before start of radiotherapy treatment...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
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