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https://www.readbyqxmd.com/read/29145041/transradial-access-for-cerebrovascular-angiography-evaluation-of-palmar-collateral-circulation-with-hand-angiography-and-its-correlation-with-allen-test
#1
Woo-Keun Kwon, Wonki Yoon, Taek-Hyun Kwon, Jong Hyun Kim, Heung-Sub Jung, Jaegeun Ahn, Hanyong Huh, Choel Ji
OBJECTIVES: Transradial cerebral angiography (TRCA) has been introduced as an alternative technique for the transfemoral access, and its use is becoming more common in the field. In this study, we retrospectively analyzed a group of patients who received TRCA, and investigated peri-procedural measurements indicating actual hand circulation, and studied their correlation with the Allen test. PATIENTS AND METHODS: A retrospective review of 168 patients whom underwent TRCA between 2015 July and 2016 July, were included in this study...
October 31, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29144392/design-and-development-of-a-novel-upper-limb-cycling-prosthesis
#2
Akira Tiele, Shivam Soni-Sadar, Jack Rowbottom, Shilen Patel, Edward Mathewson, Samuel Pearson, David Hutchins, John Head, Stephen Hutchins
The rise in popularity of the Paralympics in recent years has created a need for effective, low-cost sports-prosthetic devices for upper-limb amputees. There are various opportunities for lower-limb amputees to participate in cycling; however, there are only few options for those with upper-limb amputations. If the individual previously participated in cycling, a cycling-specific prosthesis could allow these activities to be integrated into rehabilitation methods. This article describes the processes involved with designing, developing and manufacturing such a prosthesis...
November 16, 2017: Bioengineering
https://www.readbyqxmd.com/read/29127118/the-acra-anatomy-study-assessment-of-disability-after-coronary-procedures-using-radial-access-a-comprehensive-anatomic-and-functional-assessment-of-the-vasculature-of-the-hand-and-relation-to-outcome-after-transradial-catheterization
#3
Maarten A H van Leeuwen, Maurits R Hollander, Dirk J van der Heijden, Peter M van de Ven, Kim H M Opmeer, Yannick J H J Taverne, Marco J P F Ritt, Ferdinand Kiemeneij, Nicolas M van Mieghem, Niels van Royen
BACKGROUND: The palmar arches serve as the most important conduits for digital blood supply, and incompleteness may lead to digital ischemia when the radial artery becomes obstructed after cardiac catheterization. The rate of palmar arch incompleteness and the clinical consequences after transradial access are currently unknown. METHODS AND RESULTS: The vascular anatomy of the hand was documented by angiography in 234 patients undergoing transradial cardiac catheterization...
November 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29126947/transradial-versus-transfemoral-access-in-patients-undergoing-peripheral-artery-angioplasty-stenting-a-meta-analysis
#4
REVIEW
George Galyfos, Fragiska Sigala, Konstantinos Filis
Transradial (TR) access has been extensively compared to transfemoral (TF) access in patients undergoing percutaneous coronary interventions, with TR method showing a clear benefit over the latter. However, comparative data concerning peripheral artery endovascular interventions has been limited in the literature. Therefore, a systematic review was conducted in order to compare main outcomes between TR and TF access in patients undergoing peripheral artery angioplasty and/or stenting. Main outcomes included technical success, major/minor bleeding risk, access site complications, hospital stay, death, myocardial infarction, neurological events and other procedural parameters...
September 30, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29116819/double-guide-double-wrist-5f-left-coronary-artery-transradial-percutaneous-coronary-intervention-and-the-x-kiss-technique
#5
Dangoisse Vincent, Schroëder Erwin, Claude Hanet, Antoine Guédès, Pancholy Samir
Percutaneous coronary intervention for bifurcated anatomy, particularly at the proximal left coronary artery site, requires guide catheters (GC) of at least 6 french and preferably larger in diameter. We describe a new trans-radial approach more suitable for small artery size: the simultaneous use of both radial arteries for double cannulation of the LMCA with 5F GC: each GC will target either the LM/LAD or the LM/CX artery (or LM-LAD/LM-LAD-1st diagonal branch) stenoses. The technique successfully was applied to 5 cases...
November 8, 2017: Acute Cardiac Care
https://www.readbyqxmd.com/read/29113865/identifying-strategy-for-ad-hoc-percutaneous-coronary-intervention-in-patients-with-anticipated-unfavorable-radial-access-the-little-women-study
#6
Gregory A Sgueglia, Daniel Todaro, Antonella De Santis, Micaela Conte, Gaetano Gioffrè, Angela Di Giorgio, Fabrizio D'Errico, Fabiana Piccioni, Francesco Summaria, Achille Gaspardone
BACKGROUND: Transradial percutaneous coronary intervention (PCI) offers important advantages over transfemoral PCI, including better outcomes. However, when there is indication to ad hoc PCI, a 6 French workflow is a common default strategy, hence potentially influencing vascular access selection in patients with anticipated small size radial artery. METHODS: A multidimensional evaluation was performed to compare two ad hoc interventional strategies in women <160cm: a full 6 French workflow (namely 6 French introducer sheath, diagnostic catheters and guiding catheter) with a modified workflow consisting in the use of 5 French diagnostic catheters preceded by the placement of a 6 French sheath introducer and followed by a 6 French guiding catheter use for PCI...
October 16, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29102582/variation-in-the-adoption-of-transradial%C3%A2-access-for-st-segment-elevation-myocardial-infarction-insights-from-the-ncdr-cathpci-registry
#7
Javier A Valle, Lisa A Kaltenbach, Steven M Bradley, Robert W Yeh, Sunil V Rao, Hitinder S Gurm, Ehrin J Armstrong, John C Messenger, Stephen W Waldo
OBJECTIVES: The study sought to define patient, operator, and institutional factors associated with transradial access (TRA) in ST-segment elevation myocardial infarction (STEMI) percutaneous coronary intervention (PCI), the variation in use across operators and institutions, and the relationship with mortality and bleeding. BACKGROUND: TRA for PCI in STEMI is underutilized. Factors associated with TRA are not well described, nor is there variation across operators and institutions or their relationship with outcomes...
October 25, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29102574/transradial-access-for-primary%C3%A2-percutaneous-coronary-intervention-catching-on-and-catching-up
#8
EDITORIAL
H Vernon Anderson
No abstract text is available yet for this article.
October 25, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29100589/effect-of-access-site-choice-on-acute-kidney-injury-after-percutaneous-coronary-intervention
#9
Maitri S Pancholy, Kimberly Skelding, Thomas Scott, James Blankenship, Samir B Pancholy
Acute kidney injury (AKI) after percutaneous coronary intervention (PCI) is associated with worse outcomes. Consecutive patients undergoing PCI between 2005 and 2013 were retrospectively analyzed. Patients undergoing PCI using transfemoral access (TFA) were categorized as the TFA Group, and those using transradial access (TRA) were categorized as the TRA Group. Post-PCI AKI was defined as an increase in serum creatinine >0.5 mg/dl or >25% increase from baseline 48 to 72 hours after the procedure. Independent predictors of post-PCI AKI were identified using inverse probability weighted multivariable analysis...
September 20, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29080864/endothelial-progenitor-cell-biology-and-vascular-recovery-following-transradial-cardiac-catheterization
#10
Andrew Mitchell, Takeshi Fujisawa, Nicholas L Mills, Mairi Brittan, David E Newby, Nicholas L M Cruden
BACKGROUND: Transradial catheterization is associated with radial artery injury and vasomotor dysfunction and represents an accessible model of acute vascular injury in humans. We characterized vascular injury and functional recovery to understand the role of circulating endothelial progenitor cells in vascular repair. METHODS AND RESULTS: In 50 patients (aged 64±10 years, 70% male) undergoing transradial cardiac catheterization, radial artery injury was assessed by optical coherence tomography and examination of explanted vascular sheaths...
October 28, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29064539/guidezilla-extension-catheter-for-percutaneous-interventional-therapy-of-complex-lesions-via-a-transradial-approach-case-series-from-a-single-center-experience
#11
Chen-Yang Chen, Yi-Yuan Huang, Liang Tang, Xin-Qun Hu, Zhen-Fei Fang, Sheng-Hua Zhou
BACKGROUND: Guide catheter extension systems have become one of the most powerful tools for addressing complex lesions during percutaneous coronary intervention (PCI), but data on a new-generation rapid exchange extension catheter - the Guidezilla catheter - are limited. Summarized herein reports on experience using the Guidezilla catheter for complex coronary lesions via a transradial approach at the documented institution an evaluation of its safety and efficacy. METHODS: A total of 25 patients (19 males and 6 females) who underwent PCI via the radial approach with the Guidezilla catheter for adequate back-up support and to facilitate equipment delivery were enrolled...
October 24, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/29064536/flow-mediated-dilatation-to-relieve-puncture-induced-radial-artery-spasm-a-pilot-study
#12
Lianghong Ying, Ke Xu, Xiaoxuan Gong, Xiaoyan Liu, Yuansheng Fan, Haiping Zhao, Fei Wang, Mohammad Reeaze Khurwolah, Chunjian Li
BACKGROUND: Puncture-induced radial artery spasm (RAS) may extend the duration of coronary angiography (CAG) or cause transradial access failure. Flow-mediated dilatation (FMD), a widely-used noninvasive approach for assessing endothelial function, was reported to remove the entrapped radial sheath after percutaneous coronary intervention. Herein, the efficacy and safety of FMD in treating puncture-induced RAS before transradial CAG was investigated. METHODS: Ninety patients with puncture-induced RAS were randomized in a 1:1:1 ratio into three groups: FMD group was immediately treated with blockage of brachial artery blood for 5 min using a sphygmomanometric cuff and then rapid relief; NTG group was administered with 0...
October 24, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/29061547/randomized-comparison-of-judkins-vs-tiger-catheter-in-coronary-angiography-via-the-right-radial-artery-the-judge-study
#13
Ioanna Xanthopoulou, Katerina Stavrou, Periklis Davlouros, Grigorios Tsigkas, Eleni Koufou, Georgios Almpanis, Michalis Koutouzis, Ioannis Tsiafoutis, Angelos Perperis, Athanasios Moulias, Nikolaos Koutsogiannis, George Hahalis
AIMS: To compare the performance of Tiger-II compared with Judkins 3.5L/4R catheters in coronary angiography (CAG) via the transradial approach (TRA). METHODS AND RESULTS: Consecutive patients undergoing non-urgent CAG via the right TRA were randomized to either Tiger-II (Terumo) or Judkins (3.5L/4R, Medtronic) 5Fr catheters and 320 patients in each group were randomized. Catheter or access site change was required in 57(17.8%) vs 68(21.3%) patients allocated in the Tiger-II and Judkins group respectively (p=0...
October 24, 2017: EuroIntervention
https://www.readbyqxmd.com/read/29055660/back-hand-approach-to-radial-access-the-snuff-box-approach
#14
Rhian E Davies, Ian C Gilchrist
Transradial access is becoming the default strategy for routine coronary procedures, but there is still room for improvement. For instance, left radial access is known to offer some advantages for graft cases, less tortuosity, amongst other potential benefits. The downside has been the applicability of this access point on patients with a larger body mass index both from the viewpoint of the patient and the operator. The patient must lay with their arm in a supine position and the operator as a result must stand in a flexed position for an unknown period of time...
September 1, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29044931/a-novel-technique-for-simultaneous-hemostasis-of-ipsilateral-radial-and-ulnar-artery-access-sites
#15
Jonathan S Roberts, Jianli Niu
With the increased use of transradial artery access (TRA) for diagnostic and coronary interventional procedures, crossover to the ipsilateral ulnar artery after TRA failure is being reported more frequently. A major challenge with ipsilateral transradial and ulnar artery access is achieving efficient patent hemostasis of both the radial and ulnar arteries at the completion of the procedure. In this report, we describe two cases of failed TRA with subsequent ipsilateral ulnar artery access. A novel and practical technique of simultaneous patent hemostasis of both the ipsilateral radial and ulnar artery access sites is described, using a QuikClot(®) Radial(®) hemostasis pad and a TR Band(®) ...
October 17, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29024265/effectiveness-of-a-handmade-new-carotid-catheter-in-transradial-carotid-angiography-a-comparison-with-conventional-multipurpose-catheters
#16
Yakup Balaban
OBJECTIVE: The incidence and severity of carotid atherosclerosis increases in proportion with coronary artery disease and its severity. A special catheter specifically used for transradial carotid angiography has not yet been marketed. In this study, we investigate the feasibility and safety of our carotid catheter, which was made by reshaping currently available catheters. METHODS: Between 2010 and 2017, a total of 921 patients with indications for carotid angiography were identified after angiographic examinations and included in the study...
October 11, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29016632/radial-artery-neointimal-hyperplasia-after-transradial-pci-serial-optical-coherence-tomography-volumetric-study
#17
Petr Kala, Jan Kanovsky, Tereza Novakova, Roman Miklik, Otakar Bocek, Martin Poloczek, Petr Jerabek, Lenka Prymkova, Tomas Ondrus, Jiri Jarkovsky, Milan Blaha, Gary S Mintz
AIMS: Transradial catheterization (TRC) is a dominant access site for coronary catheterization and percutaneous coronary interventions (PCI) in many centers. Previous studies reported higher intimal thickness of the radial artery (RA) wall in patients with a previous history of TRC. In this investigation the aim was to assess the intimal changes of RA using the optical coherence tomography (OCT) intravascular imaging in a serial manner. METHODS AND RESULTS: 100 patients with the diagnosis of non-ST-elevation myocardial infarction (nSTEMI) treated by PCI were enrolled (6 patients were excluded from this analysis because of occluded RA at follow-up [2 patients] and insufficient quality of OCT images [4 patients])...
2017: PloS One
https://www.readbyqxmd.com/read/28991770/transition-towards-transradial-approach-improves-outcomes-of-acute-myocardial-infarction-pci
#18
Oliver Kalpak, Donco Donev, Hristo Pejkov, Slobodan Antov, Gjorgji Kalpak, Sasko Kedev
INTRODUCTION AND AIM: Transradial (TRA) instead of transfemoral (TFA) approach strategy has been presented in research literature as superior access strategy especially for acute ST elevation myocardial infarction (STEMI) primary percutaneous coronary intervention (PCI). There is a paucity of registry-based data of outcomes from default TRA strategy compared to TFA. MATERIALS AND METHODS: All-comers STEMI PCI institutional Registry identified 1808 consecutive patients in time-frame of 40 months from 2007 to 2010, without making any exclusions...
September 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/28966445/urinary-metabolites-in-patients-undergoing-coronary-catheterization-via-the-radial-versus-femoral-artery-approach
#19
Anupama Vasudevan, Jeffrey M Schussler, Jane I Won, Paula Ashcraft, Ivy Bolanos, Matthew Williams, Teodoro Bottiglieri, Carlos E Velasco, Peter A McCullough
The transradial approach (TRA) for coronary angiography and percutaneous coronary intervention is associated with lower rates of vascular complications and acute kidney injury when compared to the transfemoral approach (TFA). Urine metabolites and proteins may be useful in identifying the dynamic changes at the vascular endothelial cell level. We attempted to explore the changes in the measurable signals of endothelial and nephron injury within 60 to 90 minutes after catheterization among those with the TRA and TFA approaches...
October 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28963366/transradial-access-lessons-learned-from-cardiology
#20
REVIEW
Brian M Snelling, Samir Sur, Sumedh Subodh Shah, Megan M Marlow, Mauricio G Cohen, Eric C Peterson
Innovations in interventional cardiology historically predate those in neuro-intervention. As such, studying trends in interventional cardiology can be useful in exploring avenues to optimise neuro-interventional techniques. One such cardiology innovation has been the steady conversion of arterial puncture sites from transfemoral access (TFA) to transradial access (TRA), a paradigm shift supported by safety benefits for patients. While neuro-intervention has unique anatomical challenges, the access itself is identical...
September 29, 2017: Journal of Neurointerventional Surgery
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