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https://www.readbyqxmd.com/read/28332356/comparison-of-clinical-outcomes-between-the-right-and-left-radial-artery-approaches-from-the-korean-transradial-coronary-intervention-registry
#1
Ji Young Park, Seung Woon Rha, Byong Geol Choi, Dong Ju Oh, Cheol Ung Choi, Young Jin Youn, Junghan Yoon
PURPOSE: Transradial intervention (TRI) shows anatomical and technical differences between the right radial approach (RRA) and left radial approach (LRA). The aim of this study was to evaluate the efficacy and safety using LRA, compared with RRA. MATERIALS AND METHODS: A total of 1653 consecutive patients who underwent TRI from November 2004 to October 2010 were enrolled in the Korean multicenter TRI registry. The patients were divided into two groups: the RRA group (n=792 patients) and the LRA group (n=861 patients)...
May 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28330629/needle-versus-cannula-over-needle-for-radial-artery-cannulation-during-transradial-coronary-angiography-and-interventions
#2
Michael Koutouzis, Andreas Kaoukis, Michalis Hamilos, Grigorios Tsigkas, Ioannis Tsiafoutis, Christos Maniotis, Andreas Tsoumeleas, Konstantinos Kintis, Sotirios Patsilinakos, Antonis Ziakas, Giorgos Hahalis, Tsampikos Giakoumakis, Periklis Davlouros, Efstathios Lazaris
PURPOSE: To evaluate the efficacy of radial artery cannulation with needle versus cannula over needle during transradial coronary angiography and intervention. METHODS: Five hundred patients scheduled to undergo transradial catheterization were randomized between the two methods. Primary endpoint of the study was the combined endpoint of switching to another access site due to inability of successful sheath insertion or switching to another method of cannulation (from needle to cannula over needle and vice versa)...
March 14, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28329389/radial-versus-femoral-access-in-patients-with-acute-coronary-syndromes-with-or-without-st-segment-elevation-a-pre-specified-analysis-from-the-randomized-minimizing-adverse-haemorrhagic-events-by-transradial-access-site-and-systemic-implementation-of-angiox
#3
Pascal Vranckx, Enrico Frigoli, Martina Rothenbühler, Francesco Tomassini, Stefano Garducci, Giuseppe Andò, Andrea Picchi, Paolo Sganzerla, Anita Paggi, Fabrizio Ugo, Arturo Ausiello, Gennaro Sardella, Nicoletta Franco, Marco Nazzaro, Nicoletta de Cesare, Paolo Tosi, Camillo Falcone, Carlo Vigna, Pietro Mazzarotto, Emilio Di Lorenzo, Claudio Moretti, Gianluca Campo, Carlo Penzo, Giampaolo Pasquetto, Dik Heg, Peter Jüni, Stephan Windecker, Marco Valgimigli
Aims: To assess whether radial compared with femoral access is associated with consistent outcomes in patients with ST-segment elevation myocardial infarction (STEMI) and non-ST-segment elevation acute coronary syndrome (NSTE-ACS). Methods and results: In the Minimizing Adverse Haemorrhagic Events by TRansradial Access Site and Systemic Implementation of angioX (MATRIX) programme patients were randomized to radial or femoral access, stratified by STEMI (2001 radial, 2009 femoral) and NSTE-ACS (2196 radial, 2198 femoral)...
February 28, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28320673/imu-based-wrist-rotation-control-of-a-transradial-myoelectric-prosthesis
#4
Daniel A Bennett, Michael Goldfarb
This paper describes a control method intended to fa-cilitate improved control of a myoelectric prosthesis containing a wrist rotator. Rather than exclusively utilize electromyogram (EMG) for the control of all myoelectric components (e.g., a hand and a wrist), the proposed controller utilizes inertial measurement (from 6-axis inertial measurement unit, or IMU) to sense upper arm ab/adduction, and uses this input to command a wrist rotation velocity. As such, the controller essentially substitutes shoulder ab/adduction in place of agonist/antagonist EMG to control wrist angular velocity, which preserves EMG for control of the hand (or other arm components)...
March 15, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28291731/a-parallel-wire-technique-in-aortosubclavian-loops-and-tortuosities-a-simple-and-useful-technique-during-transradial-coronary-angiography-and-interventions
#5
Félix Valencia-Serrano, Natalia Bolívar Herrera, Manuel Vida Gutiérrez, Ricardo Fajardo Molina, Manuel Gómez Recio, Rosa Lázaro-García
No abstract text is available yet for this article.
March 10, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28290908/-coronary-angioplasty-and-stenting-in-patients-older-than-80-years-immediate-and-long-term-results
#6
A M Babunashvili, D P Dundua, D S Kartashov, A A Bazarnova, A Yu Korenevich, M E Vetluzhskikh
AIM: to assess immediate and long-term results of coronary angioplasty and stenting in patients older than 80 years - a high risk group in view of the severity of concomitant pathology and extent of coronary atherosclerosis. MATERIAL AND METHODS: We conducted retrospective analysis of data from 167 patients older than 80 years (mean age 81.43+/-2.14 years) subjected to percutaneous coronary intervention from 2006 to 2013 (3.2% from total number of patients). Multivessel involvement was present in 128 patients (76...
July 2016: Kardiologiia
https://www.readbyqxmd.com/read/28286169/re-intervention-of-a-fibrotic-lesion-in-a-saphenous-vein-graft-insights-into-the-procedural-characteristics-using-the-right-transradial-approach
#7
Georgia Vogiatzi, Konstantinos Toutouzas, Andreas Synetos, George Latsios, Dimitris Tousoulis
No abstract text is available yet for this article.
March 9, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28280789/reduction-in-operator-radiation-exposure-during-transradial-coronary-procedures-using-a-simple-lead-rectangle
#8
Azriel B Osherov, Sharon Bruoha, Avishag Laish Farkash, Gideon Paul, Ian Orlov, Amos Katz, Jamal Jafari
OBJECTIVES: Transradial access for percutaneous coronary intervention (PCI) reduces procedural complications however, there are concerns regarding the potential for increased exposure to ionizing radiation to the primary operator. We evaluated the efficacy of a lead-attenuator in reducing radiation exposure during transradial PCI. METHODS AND RESULTS: This was a non-randomized, prospective, observational study in which 52 consecutive patients were assigned to either standard operator protection (n = 26) or the addition of the lead attenuator across their abdomen/pelvis (n = 26)...
February 2017: Heliyon
https://www.readbyqxmd.com/read/28277420/regional-to-the-rescue-axillary-brachial-plexus-nerve-block-facilitates-removal-of-entrapped-transradial-catheter-placed-for-cardiac-catheterization
#9
Brian M Fitzgerald, Lee A Babbel, Ferdinand K Bacomo, Sandeep T Dhanjal
OBJECTIVE: Our objective was to describe the first reported use of an axillary brachial plexus block to treat the entrapment of a transradial artery catheter due to vasospasm. CASE REPORT: A 42-year-old man undergoing transradial arterial cardiac catheterization suffered arterial vasospasm causing the catheter to become entrapped and refractory to conservative (warm compresses) and standard pharmacologic interventions (intracatheter verapamil, intravenous infusions of nitroglycerin and nicardipine, and subcutaneous lidocaine and topical nitroglycerin)...
March 8, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28275571/incidental-angiographic-finding-of-extended-chronic-brachial-artery-occlusion-an-uncommon-but-unavoidable-cause-of-transradial-catheterisation-failure
#10
Antonio Zingarelli
No abstract text is available yet for this article.
February 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28268993/real-time-ultrasound-based-control-of-a-virtual-hand-by-a-trans-radial-amputee
#11
Clayton A Baker, Nima Akhlaghi, Huzefa Rangwala, Jana Kosecka, Siddhartha Sikdar
Advancements in multiarticulate upper-limb prosthetics have outpaced the development of intuitive, non-invasive control mechanisms for implementing them. Surface electromyography is currently the most popular non-invasive control method, but presents a number of drawbacks including poor deep-muscle specificity. Previous research established the viability of ultrasound imaging as an alternative means of decoding movement intent, and demonstrated the ability to distinguish between complex grasps in able-bodied subjects via imaging of the anterior forearm musculature...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268654/myoelectric-feature-extraction-using-temporal-spatial-descriptors-for-multifunction-prosthetic-hand-control
#12
Rami N Khushaba, Ali Al-Timemy, Ahmed Al-Ani, Adel Al-Jumaily
We tackle the challenging problem of myoelectric prosthesis control with an improved feature extraction algorithm. The proposed algorithm correlates a set of spectral moments and their nonlinearly mapped version across the temporal and spatial domains to form accurate descriptors of muscular activity. The main processing step involves the extraction of the Electromyogram (EMG) signal power spectrum characteristics directly from the time-domain for each analysis window, a step to preserve the computational power required for the construction of spectral features...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268340/selecting-the-optimal-movement-subset-with-different-pattern-recognition-based-emg-control-algorithms
#13
Ali H Al-Timemy, Rami N Khushaba, Javier Escudero
Pattern Recognition (PR)-based EMG controllers of multi-functional upper-limb prostheses have been recently deployed on commercial state-of-the-art prostheses, offering intuitive control with the ability to control large number of movements with fast reaction time. Current challenges with such PR systems include the lack of training and deployment protocols that can help optimize the system's performance based on amputees' needs. Selecting the best subset of movements that each individual amputee can perform will help to exclude movements that have poor performance so that a subject-specific training can be achieved...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267032/effects-of-methods-used-to-achieve-hemostasis-on-radial-artery-occlusion-following-percutaneous-coronary-procedures-a-systematic-review
#14
Ritin S Fernandez, Astin Lee
BACKGROUND: Transradial access to percutaneous coronary procedures is becoming the preferred access route, and it is being increasingly used for emergent and elective procedures. However, radial artery occlusion (RAO) continues to remain an adverse occurrence following sheath removal or in the first 24 hours following sheath removal due to the smaller diameter of the artery. OBJECTIVES: The overall objective of this study was to synthesize the best available research evidence related to the effects of methods used to achieve hemostasis on RAO rates after percutaneous coronary procedures...
March 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28265219/compartment-syndrome-of-the-hand-a-rare-sequela-of-transradial-cardiac-catheterization
#15
Jennifer Jue, Joseph A Karam, Alfonso Mejia, Adhir Shroff
A 64-year-old man who underwent percutaneous coronary intervention via right radial artery access reported right-hand pain and swelling 2 hours after the procedure. He had developed compartment syndrome of the hand, specifically with muscular compromise of the thenar compartment but with no involvement of the forearm. He underwent emergency right-hand compartment release and carpal tunnel release, followed by an uneventful postoperative course. In addition to our patient's case, we discuss compartment syndrome of the hand and related issues...
February 2017: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/28261085/translating-research-on-myoelectric-control-into-clinics-are-the-performance-assessment-methods-adequate
#16
Ivan Vujaklija, Aidan D Roche, Timothy Hasenoehrl, Agnes Sturma, Sebastian Amsuess, Dario Farina, Oskar C Aszmann
Missing an upper limb dramatically impairs daily-life activities. Efforts in overcoming the issues arising from this disability have been made in both academia and industry, although their clinical outcome is still limited. Translation of prosthetic research into clinics has been challenging because of the difficulties in meeting the necessary requirements of the market. In this perspective article, we suggest that one relevant factor determining the relatively small clinical impact of myocontrol algorithms for upper limb prostheses is the limit of commonly used laboratory performance metrics...
2017: Frontiers in Neurorobotics
https://www.readbyqxmd.com/read/28261008/a-low-cost-open-source-compliant-hand-for-enabling-sensorimotor-control-for-people-with-transradial-amputations
#17
Aadeel Akhtar, Kyung Yun Choi, Michael Fatina, Jesse Cornman, Edward Wu, Joseph Sombeck, Chris Yim, Patrick Slade, Jason Lee, Jack Moore, Daniel Gonzales, Alvin Wu, Garrett Anderson, David Rotter, Cliff Shin, Timothy Bretl
In this paper, we describe the design and implementation of a low-cost, open-source prosthetic hand that enables both motor control and sensory feedback for people with transradial amputations. We integrate electromyographic pattern recognition for motor control along with contact reflexes and sensory substitution to provide feedback to the user. Compliant joints allow for robustness to impacts. The entire hand can be built for around $550. This low cost makes research and development of sensorimotor prosthetic hands more accessible to researchers worldwide, while also being affordable for people with amputations in developing nations...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28254362/safety-and-feasibility-of-outpatient-percutaneous-coronary-intervention-in-selected-patients-a-spanish-multicenter-registry
#18
Juan G Córdoba-Soriano, Jesús Jiménez-Mazuecos, Allan Rivera Juárez, Antonio Gutiérrez-Díez, Enrique Gutiérrez Ibañes, Beatriz Samaniego-Lampón, Iñigo Lozano, Arsenio Gallardo-López, Leonel Díaz, Ricardo Sanz-Ruiz, Driss Melehi, María Isabel Barrionuevo-Sánchez, Juan Rondán-Murillo, José M Vegas-Valle, Jaime Elízaga
INTRODUCTION AND OBJECTIVES: The exponential increase in coronary interventions plus the generalization of the radial approach represent the ideal scenario for starting outpatient angioplasty programs with the aim of reducing the costs while maintaining safety. This article reports data from a multicenter Spanish registry on fully ambulatory transradial angioplasty in selected patients for the first time. METHODS: Prospective registry of elective outpatient transradial-ulnar angioplasty in patients with stable coronary disease...
February 26, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28229193/osseointegrated-prostheses-for-rehabilitation-following-amputation-the-pioneering-swedish-model
#19
Yan Li, Rickard Brånemark
The direct attachment of osseointegrated (OI) prostheses to the skeleton avoids the inherent problems of socket suspension. It also provides physiological weight bearing, improved range of motion in the proximal joint, as well as osseoperceptive sensory feedback, enabling better control of the artificial limbs by amputees. The present article briefly reviews the pioneering efforts on extremity osseointegration surgeries in Sweden and the development of the OPRA (Osseointegrated Prostheses for the Rehabilitation of Amputees) program...
February 22, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28227547/a-low-cost-open-source-compliant-hand-for-enabling-sensorimotor-control-for-people-with-transradial-amputations
#20
Aadeel Akhtar, Kyung Yun Choi, Michael Fatina, Jesse Cornman, Edward Wu, Joseph Sombeck, Chris Yim, Patrick Slade, Jason Lee, Jack Moore, Daniel Gonzales, Alvin Wu, Garrett Anderson, David Rotter, Cliff Shin, Timothy Bretl, Aadeel Akhtar, Kyung Yun Choi, Michael Fatina, Jesse Cornman, Edward Wu, Joseph Sombeck, Chris Yim, Patrick Slade, Jason Lee, Jack Moore, Daniel Gonzales, Alvin Wu, Garrett Anderson, David Rotter, Cliff Shin, Timothy Bretl, Kyung Yun Choi, Michael Fatina, Chris Yim, Jesse Cornman, Alvin Wu, Garrett Anderson, Jason Lee, Edward Wu, Daniel Gonzales, Aadeel Akhtar, David Rotter, Cliff Shin, Timothy Bretl, Patrick Slade, Jack Moore, Joseph Sombeck
In this paper, we describe the design and implementation of a low-cost, open-source prosthetic hand that enables both motor control and sensory feedback for people with transradial amputations. We integrate electromyographic pattern recognition for motor control along with contact reflexes and sensory substitution to provide feedback to the user. Compliant joints allow for robustness to impacts. The entire hand can be built for around $550. This low cost makes research and development of sensorimotor prosthetic hands more accessible to researchers worldwide, while also being affordable for people with amputations in developing nations...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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