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Radial access

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https://www.readbyqxmd.com/read/28820892/maternal-autoimmune-antibodies-alter-the-dendritic-arbor-and-spine-numbers-in-the-infragranular-layers-of-the-cortex
#1
Jeanelle Ariza, Jesus Hurtado, Haille Rogers, Raymond Ikeda, Michael Dill, Craig Steward, Donnay Creary, Judy Van de Water, Verónica Martínez-Cerdeño
An association between maternal IgG antibodies reactive against proteins in fetal brain and an outcome of autism in the child has been identified. Using a mouse model of prenatal intraventricular administration of autism-specific maternal IgG, we demonstrated that these antibodies produce behavioral alterations similar to those in children with ASD. We previously demonstrated that these antibodies bind to radial glial stem cells (RG) and observed an increase in the number of divisions of translocating RG in the developing cortex...
2017: PloS One
https://www.readbyqxmd.com/read/28813571/balanced-adoption-of-radial-artery-access-for-primary-percutaneous-coronary-intervention
#2
H Vernon Anderson, David P Faxon
No abstract text is available yet for this article.
August 16, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28811806/comparison-of-right-and-left-trans-radial-catheterization-for-coronary-angiography-and-intervention-in-patients-with-acute-myocardial-infarction
#3
Hongying Wang, Shijin Song
OBJECTIVE: To compare the clinical characteristics between the right and left radial approach in treating acute myocardial infarction, helping physicians make treatment strategies correctly. METHODS: The patients admitted at our institution and undergoing percutaneous coronary angiography and interventional procedures by left or right radial approach between November 2013 and July 2016 were retrospectively reviewed. The access time, compression time, ambulation time, the amount of contrast material used, fluoroscopy time, interventional procedural time, the number of catheters used, the percentage of procedures completed using the assigned approach and the major vascular complications were recorded and compared between the two groups...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28809724/comparison-of-hemostasis-times-with-a-kaolin-based-hemostatic-pad-quikclot-radial-vs-mechanical-compression-tr-band-following-transradial-access-a-pilot-prospective-study
#4
Jonathan S Roberts, Jianli Niu, Juan A Pastor-Cervantes
BACKGROUND: Hemostasis following transradial access (TRA) is usually achieved by mechanical compression. We investigated use of the QuikClot Radial hemostasis pad (Z-Medica) compared with the TR Band (Terumo Medical) to shorten hemostasis after TRA. METHODS: Thirty patients undergoing TRA coronary angiography and/or percutaneous coronary intervention were randomized into three cohorts post TRA: 10 patients received mechanical compression with the TR Band, 10 patients received 30 min of compression with the QuikClot Radial pad, and 10 patients received 60 min of compression with the QuikClot Radial pad...
August 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28809504/influence-of-particle-size-and-loading-on-particle-accessibility-in-electrospun-poly-ethylene-oxide-and-zif-8-composite-fibers-experiments-and-theory
#5
Mitchell R Armstrong, Christopher Balzer, Bohan Shan, Bin Mu
Developing electrospun nanofiber/ nanoparticle composites (ENNCs) is an emerging strategy for immobilizing functional particles for a variety of applications. The radial location of the particle along the fiber, either at the surface or in the bulk, has implication into the resulting properties. To explore particle location along fibers, ZIF-8 impregnated poly(ethylene oxide) (PEO) nanofibers are formed by electrospinning particle suspensions. Fibers impregnated with two different ZIF-8 particle sizes (200 nm and 12...
August 15, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28808982/radial-head-prosthesis-results-overview
#6
E Carità, A Donadelli, L Cugola, P Perazzini
BACKGROUND/PURPOSE: Radial head replacement is frequently used in treatment of radial head fractures or sequela. Impossibility to restore a correct anatomy, acute elbow traumatic instability and failure of osteosynthesis hardware are the most common indications. The authors describe their case studies and results on the implantation of various radial head prostheses. MATERIALS: Between June 2005 and June 2016, 28 radial head prostheses were implanted in the same number of patients with an average follow-up of 49 months (6-104)...
August 14, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28805849/topology-of-polymer-chains-under-nanoscale-confinement
#7
Vahid Satarifard, Maziar Heidari, Samaneh Mashaghi, Sander J Tans, Mohammad Reza Ejtehadi, Alireza Mashaghi
Spatial confinement limits the conformational space accessible to biomolecules but the implications for bimolecular topology are not yet known. Folded linear biopolymers can be seen as molecular circuits formed by intramolecular contacts. The pairwise arrangement of intra-chain contacts can be categorized as parallel, series or cross, and has been identified as a topological property. Using molecular dynamics simulations, we determine the contact order distributions and topological circuits of short semi-flexible linear and ring polymer chains with a persistence length of lp under a spherical confinement of radius Rc...
August 14, 2017: Nanoscale
https://www.readbyqxmd.com/read/28798783/mesh-covered-roadsaver-stent-as-a-new-treatment-modality-for-symptomatic-or-high-risk-carotid-stenosis
#8
Roman Machnik, Piotr Paluszek, Łukasz Tekieli, Karolina Dzierwa, Damian Maciejewski, Mariusz Trystuła, Andrzej Brzychczy, Krzysztof Banaszkiewicz, Robert Musiał, Piotr Pieniążek
INTRODUCTION: Prevention of periprocedural stroke has a crucial role in carotid artery stenting (CAS) procedures. AIM: To assess retrospectively 30-day safety and effectiveness of 41 procedures of internal and common carotid artery stenting using the Roadsaver double nitinol layer micromesh stent in 40 non-consecutive patients with symptomatic or high-risk carotid artery stenosis. MATERIAL AND METHODS: The patients were men (n = 31) and women (n = 9); mean age was 67...
2017: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/28797607/trends-and-clinical-outcomes-in-patients-undergoing-primary-percutaneous-revascularisation-for-st-elevation-myocardial-infarction-a-single-centre-experience
#9
Luke P Dawson, Josephine Warren, Juan Mundisugih, Viveka Nainani, William Chan, Dion Stub, Archer Broughton, Andrew J Taylor, Antony Walton, Stephen J Duffy, James A Shaw
BACKGROUND: Primary percutaneous coronary intervention (PPCI) is the preferred therapy for patients presenting with ST-elevation myocardial infarction (STEMI). We reviewed patients undergoing PCI for STEMI over a six-year period to evaluate changes in procedural characteristics and clinical outcomes given recent changes to STEMI guidelines. METHODS: All patients presenting to the Alfred Hospital, a tertiary referral hospital, between 1 January 2010 and 31 December 2015 undergoing PCI for STEMI were identified...
July 14, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28777417/outcomes-of-three-types-of-native-arteriovenous-fistula-in-a-single-center
#10
Emiliano Chisci, Linda M Harris, Francesco Menici, Pierfrancesco Frosini, Eugenio Romano, Nicola Troisi, Leonardo Ercolini, Stefano Michelagnoli
OBJECTIVE: To study the outcomes of three different types of native arteriovenous fistula (AVF), the distal (D: radial-cephalic), middle-arm (MA: radial-cephalic) and proximal (P: brachial-cephalic) AVF access creation for hemodialysis patients in a single center. METHODS: An 8-year retrospective review, from 2006 to 2014, was conducted at a single institution in which the surgical outcomes for three different types of native AVF creation were reviewed. Preoperative duplex vein mapping was obtained in all patients to choose the best vein and site for access...
July 26, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28777413/proximal-ulnar-artery-arteriovenous-fistula-inflow-is-an-uncommon-but-useful-vascular-access-option
#11
William C Jennings, Alexandros Mallios
INTRODUCTION: A proximal ulnar artery arteriovenous fistula (PUA-AVF) is a logical vascular access option when the distal ulnar artery is occluded or inadequate in addition to other specific vascular anatomic variants. This study reviews a series of patients where the proximal ulnar artery was used for AVF inflow in establishing a reliable autogenous access for these uncommon patients. MATERIALS AND METHODS: All new patients referred for vascular access with a PUA-AVF created during an eight-year period were evaluated...
July 27, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28777411/algorithmic-salvage-techniques-in-non-maturing-radiocephalic-arteriovenous-fistulae-with-their-long-term-patency
#12
Ali Kordzadeh, Yiannis P Panayiotopolous
INTRODUCTION: The aim of this study is to examine the role of five different operative salvage techniques with their long-term primary patency (PP) in an algorithmic manner in gaining primary functional maturation (FM) in radio cephalic arteriovenous fistulae (RCAVF) formation following their impairment. METHODS: A prospective consecutive data collection on 195 patients undergoing only autogenous RCAVF formation from July 2013 to December 2015 was conducted. Each non-maturing fistula was then exposed to a salvage technique by an algorithmic methodology and their FM and PP was prospectively recorded...
July 26, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28776172/optimization-of-antiplatelet-therapy-in-stemi
#13
REVIEW
Abhishek Sinha, Kush Agrawal, Rahul Sakhuja
Antiplatelet therapy is an essential component of ST elevation myocardial infarction (STEMI) management. Dual antiplatelet therapy (DAPT) with aspirin and clopidogrel has previously been the standard of care for STEMI management, but the advent of newer, more potent P2Y12 inhibitors has expanded the options for the management of STEMI. As compared with clopidogrel, these newer P2Y12 agents-such as prasugrel and ticagrelor-allow for further reductions in ischemic end points, without the robust increases in bleeding seen in previous studies of antithrombotic therapies...
August 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28774222/transradial-delivery-of-a-renal-snorkel-during-complex-endovascular-aortic-aneurysm-repair
#14
Jordan R Stern, Sharif H Ellozy
Transradial access has been described in a variety of clinical contexts but has been rarely utilized for visceral artery interventions and during complex endovascular aortic aneurysm repair (EVAR) when upper extremity access is required. This is usually accomplished via brachial artery access, and although brachial access is generally safe and effective, radial access may offer some benefits with regard to patient comfort and potential complications. Here we report a case of successful delivery of a renal snorkel via a radial artery approach during EVAR...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28766859/transulnar-cardiac-catheterization-and-percutaneous-coronary-intervention-techniques-transradial-comparisons-anatomical-considerations-and-comprehensive-literature-review
#15
Subrata Kar
Ulnar arterial access for cardiac catheterization and intervention is an alternative approach compared with radial or femoral access. Ulnar access is infrequently performed since the radial artery is readily palpable and is commonly used worldwide to minimize vascular complications from femoral access. Nevertheless, ulnar access provides a suitable access site in patients who are poor candidates for femoral access, have pre-existing radial occlusion, radial artery hypoplasia or hyperplasia from prior radial artery procedures, radial stenosis, radial loops, radial tortuosity, small radial arteries, and/or have future need for radial graft for dialysis or coronary artery bypass graft...
August 2, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28760582/improved-outcomes-with-proximal-radial-cephalic-arteriovenous-fistulas-compared-with-brachial-cephalic-arteriovenous-fistulas
#16
Dean J Arnaoutakis, Elise P Deroo, Patrick McGlynn, Maxwell D Coll, Michael Belkin, Dirk M Hentschel, C Keith Ozaki
BACKGROUND: Brachial-cephalic arteriovenous fistulas (BCFs) are associated with high-flow volumes, leading to potential risks such as arm swelling, steal syndrome, pseudoaneurysm (due to a pressurized access), and cephalic arch stenosis. We hypothesized that a proximal radial-cephalic fistula (prRCF) configuration mitigates these risks because a lower flow state is created. Furthermore, we also hypothesized that despite these lower flows, patencies (primary, primary assisted, secondary) are sustained...
July 28, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28742134/hemostasis-pad-combined-with-compression-device-after-transradial-coronary-procedures-a-randomized-controlled-trial
#17
Si-Hyuck Kang, Donghoon Han, Sehun Kim, Chang-Hwan Yoon, Jin-Joo Park, Jung-Won Suh, Young-Seok Cho, Tae-Jin Youn, In-Ho Chae
BACKGROUND: Arterial access and hemostasis are important processes during percutaneous coronary procedures. In this study, we tested if the use of chitosan-based pads on top of compression devices could improve hemostasis efficacy compared with compression devices alone after transradial coronary angiography or interventions. METHODS: This study was a single-center open-label randomized controlled trial. Patients who underwent coronary angiography or intervention with the transradial approach were randomly assigned to the study (compression device and a chitosan-based pad) or control (compression devices alone) group in a 2:1 fashion...
2017: PloS One
https://www.readbyqxmd.com/read/28737069/safety-of-radial-access-for-primary-percutaneous-intervention-in-patients-with-st-elevation-acute-myocardial-infarction-results-from-a-low-volume-center
#18
Yoshimasa Tsurumaki, Yumiko Haraguchi, Tomohiro Nakamura
Radial access for primary percutaneous coronary intervention (pPCI) in patients with ST-elevation acute myocardial infarction (STEMI) is recommended in high-volume experienced centers. This study investigated whether radial access for pPCI is safe even in a low-volume center. We performed radial access for pPCI in 171 patients. Major adverse cardiac events (total death, myocardial infarction, stroke) rate was 1.2%. The overall incidence of bleeding complications was 2.4%; there was no vascular complication at the access site...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28734453/-double-stick-transsubclavian-transcatheter-aortic-valve-replacement-with-use-of-a-balloon-expandable-valve-a-less-invasive-option-for-alternative-access
#19
Craig M Jarrett, Marc Pelletier, Pinak B Shah, Tsuyoshi Kaneko
Access options for transcatheter aortic valve replacement (TAVR) currently include transfemoral, transaortic, transapical, transsubclavian, and other approaches. Transsubclavian access for balloon expandable valves is gaining popularity when transfemoral access is not suitable, given its peripheral access compared with central access. With the transsubclavian approach, second femoral or radial artery access is necessary for pigtail catheter placement. We describe a "double-stick" transsubclavian technique that eliminates secondary arterial access...
August 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28730857/controversies-in-complex-percutaneous-coronary-intervention-radial-versus-femoral
#20
Ian C Gilchrist, Stephen O Awuor, Rhian E Davies, Anene C Ukaigwe
Evolution in the technology used in the cardiac catheterization laboratory has permitted a migration from the femoral to radial artery access for many interventional procedures while concurrently improving outcomes. As a disruptive technology, transradial access has been associated with several controversies including a dichotomous relationship with femoral access. Areas covered: Several different patient subsets along with perceived technical challenges in interventional cardiology are reviewed with regard to the issue of access site...
July 27, 2017: Expert Review of Cardiovascular Therapy
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