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Tahir S Pillay
No abstract text is available yet for this article.
March 2017: Journal of Clinical Pathology
F Garay, X Pan, Y J Zhang, C Wang, D Springmuller
INTRODUCTION: The Venus p‑valve (MedTech, Shanghai, China) is a self-expanding percutaneous heart valve designed to be implanted in a native patched right ventricle outflow tract. The worldwide clinical experience with this valve is just beginning and the results have so far been encouraging. We present our initial early experience implanting the Venus p‑valve in the native right ventricle outflow tract of patients with Tetralogy of Fallot repaired with a transannular patch. METHODS: In 10 selected patients a procedure for percutaneous pulmonary valve implantation was performed using the Venus p‑valve...
February 2017: Netherlands Heart Journal
Giuseppe Crippa, Dorjan Zabzuni, Elena Bravi, Filippo Rossi
OBJECTIVE: Present data refers to a randomized, double-blind, placebo-controlled, cross-over study in which 30 mild-moderate hypertensive patients, received a dietary integration with Grana Padano DOP cheese to evaluate blood pressure (BP) changes.Cow-milk fermentation induced by Lactobacillus helveticus produces peptides with sustained ACE inhibitory activity, mainly dues to 2 tripeptides (valyl-prolyl-proline and isoleucil-prolyl-proline) that have shown to lower blood pressure (BP) in experimental animals and in humans...
September 2016: Journal of Hypertension
Alvin Y Chan, Diem Kieu T Tran, Amandip S Gill, Frank P K Hsu, Sumeet Vadera
Laser interstitial thermal therapy (LITT) is a minimally invasive procedure used to treat a variety of intracranial lesions. Utilization of robotic assistance with stereotactic procedures has gained attention due to potential for advantages over conventional techniques. The authors report the first case in which robot-assisted MRI-guided LITT was used to treat radiation necrosis in the posterior fossa, specifically within the cerebellar peduncle. The use of a stereotactic robot allowed the surgeon to perform LITT using a trajectory that would be extremely difficult with conventional arc-based techniques...
October 2016: Neurosurgical Focus
M Lefranc, J Peltier
The ROSA® robot (Medtech, Montpellier, France) is a new medical device designed to assist the surgeon during minimally invasive spine procedures. The device comprises a patient-side cart (bearing the robotic arm and a workstation) and an optical navigation camera. The ROSA® Spine robot enables accurate pedicle screw placement. Thanks to its robotic arm and navigation abilities, the robot monitors movements of the spine throughout the entire surgical procedure and thus enables accurate, safe arthrodesis for the treatment of degenerative lumbar disc diseases, exactly as planned by the surgeon...
October 2016: Expert Review of Medical Devices
Giuseppe Crippa, Dorjan Zabzuni, Elena Bravi, Filippo Rossi
OBJECTIVE: Present data refers to a randomized, double-blind, placebo-controlled, cross-over study in which 30 mild-moderate hypertensive patients, received a dietary integration with Grana Padano DOP cheese to evaluate blood pressure (BP) changes.Cow-milk fermentation induced by Lactobacillus helveticus produces peptides with sustained ACE inhibitory activity, mainly dues to 2 tripeptides (valyl-prolyl-proline and isoleucil-prolyl-proline) that have shown to lower blood pressure (BP) in experimental animals and in humans...
September 2016: Journal of Hypertension
Minja Milovanovic, Noah Taruberekera, Karin Hatzold, Neil Martinson, Limakatso Lebina
PrePex™ (Circ MedTech Ltd., Tortola, British Virgin Islands) devices are being evaluated in several countries for scale-up of medical male circumcision (MMC) as an HIV prevention intervention. Health care workers' perceptions should be considered prior to scale-up. A cross-sectional open-ended questionnaire was administered to health care workers from nine MMC programs in South Africa that provided either PrePex™ and surgical circumcision (mixed sites) or surgical circumcision only (surgery-only sites)...
November 2016: Journal of the Association of Nurses in AIDS Care: JANAC
Patty Kostkova, Helen Brewer, Simon de Lusignan, Edward Fottrell, Ben Goldacre, Graham Hart, Phil Koczan, Peter Knight, Corinne Marsolier, Rachel A McKendry, Emma Ross, Angela Sasse, Ralph Sullivan, Sarah Chaytor, Olivia Stevenson, Raquel Velho, John Tooke
Research on large shared medical datasets and data-driven research are gaining fast momentum and provide major opportunities for improving health systems as well as individual care. Such open data can shed light on the causes of disease and effects of treatment, including adverse reactions side-effects of treatments, while also facilitating analyses tailored to an individual's characteristics, known as personalized or "stratified medicine." Developments, such as crowdsourcing, participatory surveillance, and individuals pledging to become "data donors" and the "quantified self" movement (where citizens share data through mobile device-connected technologies), have great potential to contribute to our knowledge of disease, improving diagnostics, and delivery of -healthcare and treatment...
2016: Frontiers in Public Health
Kemal Aydın, Murat Demirer, Coşkun Bayrak
OBJECTIVE: The diagnosis of labor is currently one of the most difficult problems encountered by obstetrical healthcare providers. A major health problem is the increase in the rate of preterm delivery, which is responsible for 75% of all deaths in newborns. In addition, preterm delivery is associated with several cognitive and health problems in later life and enormous costs for the health system. A better understanding of myometrial activities could help to reduce preterm deliveries and the costs associated with prematurity in the following years...
2015: Journal of the Turkish German Gynecological Association
Alberto Domínguez-Vicent, Jose Juan Esteve-Taboada, Antonio J Del Águila-Carrasco, Teresa Ferrer-Blasco, Robert Montés-Micó
PURPOSE: To compare the optical quality between two intraocular lenses (IOLs): the Mini WELL Ready progressive multifocal (SIFI Medtech, Catania, Italy), and the TECNIS Symfony (Abbott Laboratories, Illinois, USA), which both provide a continuous range of vision from far to near positions. METHODS: The in vitro optical quality of each lens was assessed with an instrument conceived for measuring the modulation transfer function (MTF). The optical quality of each lens was described in terms of MTF, through-focus MTF, defocus tolerance, pupil dependence, and Strehl ratio MTF...
July 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
Mario Jenni
The Greater Zurich Area has become a hub for the life sciences industry in recent years, with above-average numbers of medtech companies and brisk spin-off activities from the Zurich universities. The spin-offs have established themselves near their scientific origins, in incubators and parks where they have access to functional and affordable laboratory infrastructures. Numerous cluster initiatives and networks foster exchanges between start-ups, established companies and academia. An international regional comparison conducted within the framework of the EU HealthTIES project gave the region of Zurich a good score in the life sciences area...
December 2014: Chimia
Nicolas Lonjon, Emilie Chan-Seng, Vincent Costalat, Benoit Bonnafoux, Matthieu Vassal, Julien Boetto
PURPOSE: While image guidance and neuronavigation have enabled a more accurate placement of pedicle implants, they can inconvenience the surgeon. Robot-assisted placement of pedicle screws appears to overcome these disadvantages. However, recent data concerning the superiority of currently available robots in assisting spinal surgeons are conflicting. The aim of our study was to evaluate the percentage of accurately placed pedicle screws, inserted using a new robotic-guidance system. METHOD: 20 Patients were operated on successively by the same surgeon using robotic assistance (ROSA™, Medtech) (Rosa group 10 patients, n = 40 screws) or by the freehand conventional technique (Freehand group 10 patients, n = 50 screws)...
March 2016: European Spine Journal
Michel Lefranc, Cyrille Capel, Anne-Sophie Pruvot-Occean, Anthony Fichten, Christine Desenclos, Patrick Toussaint, Daniel Le Gars, Johann Peltier
OBJECT: Stereotactic biopsy procedures are an everyday part of neurosurgery. The procedure provides an accurate histological diagnosis with the least possible morbidity. Robotic stereotactic biopsy needs to be an accurate, safe, frameless, and rapid technique. This article reports the clinical results of a series of 100 frameless robotic biopsies using a Medtech ROSA device. METHODS: The authors retrospectively analyzed their first 100 frameless stereotactic biopsies performed with the robotic ROSA device: 84 biopsies were performed by frameless robotic surface registration, 7 were performed by robotic bone fiducial marker registration, and 9 were performed by scalp fiducial marker registration...
February 2015: Journal of Neurosurgery
Murat Tuncer, Cahit Sahin, Ozgur Yazici, Alper Kafkasli, Akif Turk, Banu A Erdogan, Gokhan Faydaci, Kemal Sarica
PURPOSE: We evaluated the possible effects of noise created by high energy shock waves on the hearing function of children treated with extracorporeal shock wave lithotripsy. MATERIALS AND METHODS: A total of 65 children with normal hearing function were included in the study. Patients were divided into 3 groups, ie those becoming stone-free after 1 session of shock wave lithotripsy (group 1, 22 children), those requiring 3 sessions to achieve stone-free status (group 2, 21) and healthy children/controls (group 3, 22)...
March 2015: Journal of Urology
David B Nash
No abstract text is available yet for this article.
March 2013: American Health & Drug Benefits
Shokouhozaman Soleymanifard, Mohammad Taghi Bahreyni Toossi, Mohsen Khosroabadi, Atefeh Vejdani Noghreiyan, Soodabeh Shahidsales, Fatemeh Varshoee Tabrizi
Skin dose assessment for radiotherapy patients is important to ensure that the dose received by skin is not excessive and does not cause skin reactions. Immobilizing casts may have a buildup effect, and can enhance the skin dose. This study has quantified changes to the surface dose as a result of head and neck immobilizing casts. Medtech and Renfu casts were stretched on the head of an Alderson Rando-Phantom. Irradiation was performed using 6 and 15 MV X-rays, and surface dose was measured by thermoluminescence dosimeters...
September 2014: Australasian Physical & Engineering Sciences in Medicine
Lukas Breuer, Jürgen Dammers, Timothy P L Roberts, N Jon Shah
BACKGROUND: Recently, magnetoencephalography (MEG) based real-time brain computing interfaces (BCI) have been developed to enable novel and promising methods for neuroscience research. It is well known that artifact rejection prior to source localization largely enhances the localization accuracy. However, many BCI approaches neglect real-time artifact removal due to its time consuming process. NEW METHOD: The method (referred to as ocular and cardiac artifact rejection for real-time analysis, OCARTA) is based on constrained independent component analysis (cICA), where a priori information of the underlying source signals is used to optimize and accelerate signal decomposition...
August 15, 2014: Journal of Neuroscience Methods
Murat Tuncer, Banu A Erdogan, Ozgur Yazici, Cahit Sahin, Gokhan Altin, Gokhan Faydaci, Bilal Eryildirim, Kemal Sarica
OBJECTIVE: To evaluate the possible effects of extracorporeal shock wave lithotripsy (ESWL) on the hearing status of the patients in this prospective controlled study. METHODS: A total of 40 patients with normal hearing function were included to the study. We had 20 patients each in the study group and control group. The treatment parameters were standardized in all 3 sessions in which a total of 3000 shock waves with a rate of 90/min along with a total energy value of 126 J at the fourth energy level have been applied (Dornier Compact Sigma, Medtech, Germany)...
July 2014: Urology
Ahmad A Elderwy, Adel Kurkar, AlMontaser Hussein, Hazem Abozeid, Hisham M Hammodda, Abdel-Fatah Ibraheim
PURPOSE: We prospectively evaluated the efficacy of dissolution therapy and standard shock wave lithotripsy as a noninvasive modality for radiolucent renal stones in children. MATERIALS AND METHODS: A total of 87 children with radiolucent renal calculi were included in study. Median age was 2.5 years (range 0.5 to 13). Computerized tomography was done to confirm a stone density of less than 500 HU. Median stone length was 12 mm (range 7 to 24). Patients were randomly divided into 2 groups...
May 2014: Journal of Urology
Rajash K Handa, Andrew P Evan, Bret A Connors, Cynthia D Johnson, Ziyue Liu, Mouhamad Alloosh, Michael Sturek, Carmella Evans-Molina, Jessica A Mandeville, Ehud Gnessin, James E Lingeman
PURPOSE: We determined whether shock wave lithotripsy of the kidney of pigs with metabolic syndrome would worsen glucose tolerance or increase the risk of diabetes mellitus. MATERIALS AND METHODS: Nine-month-old female Ossabaw miniature pigs were fed a hypercaloric atherogenic diet to induce metabolic syndrome. At age 15 months the pigs were treated with 2,000 or 4,000 shock waves (24 kV at 120 shock waves per minute) using an unmodified HM3 lithotripter (Dornier MedTech, Kennesaw, Georgia)...
October 2014: Journal of Urology
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