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https://www.readbyqxmd.com/read/28219194/-predictors-of-clinically-significant-bleeding-events-in-bivalirudin-treated-chinese-patients-with-acute-myocardial-infarction-undergoing-percutaneous-coronary-intervention
#1
H Y Wang, Y L Han, Y Li, Z Y Liang, J Qian, Z Ji, L Q Cui, H P Xu
Objective: This study was designed to further clarify the independent predictors of clinically significant bleeding events in bivalirudin-treated patients with acute myocardial infarction(AMI) undergoing percutaneous coronary intervention (PCI). Methods: A total of 3 023 AMI patients from 88 centers of China who underwent PCI and received periprocedural bivalirudin treatment between August 2012 and December 2015 were involved in this study.The primary outcome was clinically significant bleeding events defined as the Bleeding Academic Research Consortium(BARC) grades 2-5, with 30 days after PCI...
February 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28218605/comparison-of-a-new-slender-6-french-sheath-with-a-standard-5-french-sheath-for-transradial-coronary-angiography-and-intervention-a-randomized-multicenter-trial-the-rap-and-beat-radial-artery-patency-and-bleeding-efficacy-adverse-event-trial
#2
Adel Aminian, Shigeru Saito, Akihiko Takahashi, Ivo Bernat, Robert Lee Jobe, Takashi Kajiya, Ian C Gilchrist, Yves Louvard, Ferdinand Kiemeneij, Niels Van Royen, Seiji Yamazaki, Takashi Matsukage, Sunil V Rao
AIMS: The 6 French(Fr) Glidesheath Slender (GSS6Fr, Terumo, Japan) is a recently developed thin-walled radial sheath with an outer diameter (OD) that is smaller than the OD of standard 6Fr sheaths. The effect of this introducer sheath on radial artery occlusion (RAO) is unknown. METHODS AND RESULTS: We conducted a randomized, multicenter, non-inferiority trial comparing the GSS6Fr against the standard 5Fr Glidesheath (GS5Fr, Terumo, Japan) in patients undergoing TR coronary angiography and/or intervention...
February 21, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28216474/the-long-term-effect-of-transradial-coronary-catheterisation-on-upper-limb-function
#3
Maarten A H van Leeuwen, Dirk J van der Heijden, Jailen Hermie, Mattie J Lenzen, Ruud W Selles, Marco J P F Ritt, Ferdinand Kiemeneij, Felix Zijlstra, Nicolas M Van Mieghem, Niels van Royen
AIMS: Anatomic and physiologic changes that are induced by radial access may lead to a decrease of upper limb function at long-term follow-up; however, this has never been studied. We aimed to study the long-term effect of transradial catheterisation on upper limb function. METHODS AND RESULTS: Between January 2013 and April 2014, upper limb function was assessed in a total of 348 patients with complete one-year follow-up after coronary catheterisation. Upper limb function was assessed with the self-reported shortened version of the DASH questionnaire...
February 20, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28216229/trans-ulnar-catheterization-and-coronary-interventions-from-technique-to-outcomes
#4
REVIEW
Sudhakar Sattur, Maninder Singh, Edo Kaluski
The ulnar artery is similar in size to the radial artery, however it is more difficult to palpate and access. For those physicians who mastered trans-ulnar access (TUA) this access site serves as an alternative to trans radial access (TRA) when the radial artery access is rendered suboptimal (by palpation, ultrasound examination or previous procedural records) or when encountering TRA difficulties or failure. The manuscript describes the anatomy, suggested technique, procedural success and complications associated with TUA...
February 1, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28215930/ultrasound-guided-resuscitative-endovascular-balloon-occlusion-of-the-aorta-in-the-resuscitation-area
#5
Takayuki Ogura, Alan Kawarai Lefor, Mitsunobu Nakamura, Kenji Fujizuka, Kousuke Shiroto, Minoru Nakano
BACKGROUND: In trauma resuscitation with resuscitative endovascular balloon occlusion of the aorta (REBOA), urgent and accurate placement of the catheter in the resuscitation area without fluoroscopy can shorten the time from admission to REBOA, allowing rapid, temporary control of bleeding. DISCUSSION: The experience-based protocol in our center for ultrasound-guided REBOA in the resuscitation area without fluoroscopy is as follows: the femoral artery is punctured and a guidewire inserted; sonography is used to verify that the guidewire is in the abdominal aorta; the position of the balloon is confirmed with ultrasound after estimating the distance to the clavicle, and the pressure in the radial artery and sheath is used to monitor correct positioning; connect the pressure transducer to the catheter sheath for continuous monitoring of the blood pressure in the sheath, and inflate the balloon until the blood pressure tracing at the sheath has disappeared; check the pulse in the left radial artery, and withdraw the catheter slightly if the pulse in the radial artery is not palpable or is decreased (if this pulse is not palpable or decreased, the balloon is in the aortic arch)...
February 17, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28196898/increased-radial-access-is-not-associated-with-worse-femoral-outcomes-for-percutaneous-coronary-intervention-in-the-united-kingdom
#6
William Hulme, Matthew Sperrin, Evangelos Kontopantelis, Karim Ratib, Peter Ludman, Alex Sirker, Tim Kinnaird, Nick Curzen, Chun Shing Kwok, Mark De Belder, James Nolan, Mamas A Mamas
BACKGROUND: The radial artery is increasingly adopted as the primary access site for cardiac catheterization because of patient preference, lower bleeding rates, cost effectiveness, and reduced risk of mortality in high-risk patient groups. Concerns have been expressed that operators/centers have become increasingly unfamiliar with transfemoral access. The aim of this study was to assess whether a change in access site practice toward transradial access nationally has led to worse outcomes in percutaneous coronary intervention procedures performed through the transfemoral access approach...
February 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28191515/medicolegal-implications-of-radial-and-femoral-access-for-coronary-angiography-and-intervention-in-2016-focus-on-retroperitoneal-hemorrhage
#7
Konstantinos V Voudris, Mladen I Vidovich
BACKGROUND AND OBJECTIVES: Retroperitoneal hemorrhage is a rare but serious complication of transfemoral approach (TFA) and TFA percutaneous coronary intervention (PCI). Radial approach for coronary angiography and intervention (transradial approach, TRA) is associated with lower access site complications and reduced blood transfusion rates. Retroperitoneal bleeding has not been described with TRA. This study sought to evaluate the relationship between femoral access for coronary angiography (TFA) and PCI-induced retroperitoneal hemorrhage and the resulting medical litigation in the United States...
April 1, 2016: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28159821/randomized-trial-of-compression-duration-after-transradial-cardiac-catheterization-and-intervention
#8
Shahar Lavi, Asim Cheema, Andrew Yadegari, Zeev Israeli, Yaniv Levi, Sabrina Wall, Mistre Alemayehu, Yasir Parviz, Bogdan-Dorian Murariu, Terry McPherson, Jaffer Syed, Rodrigo Bagur
BACKGROUND: Radial artery occlusion is a known complication following transradial cardiac catheterization. A shorter duration of postprocedural radial clamp time may reduce radial artery occlusion (RAO) but might be associated with incomplete hemostasis. METHODS AND RESULTS: In total, 568 patients undergoing transradial diagnostic cardiac catheterization were randomly assigned to either 20 minutes (ultrashort) or 60 minutes (short) hemostatic compression time using patent hemostasis...
February 3, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28149680/increased-root-hair-density-by-loss-of-wrky6-in-arabidopsis-thaliana
#9
Markus G Stetter, Martin Benz, Uwe Ludewig
Root hairs are unicellular elongations of certain rhizodermal cells that improve the uptake of sparingly soluble and immobile soil nutrients. Among different Arabidopsis thaliana genotypes, root hair density, length and the local acclimation to low inorganic phosphate (Pi) differs considerably, when analyzed on split agar plates. Here, genome-wide association fine mapping identified significant single nucleotide polymorphisms associated with the increased root hair density in the absence of local phosphate on chromosome 1...
2017: PeerJ
https://www.readbyqxmd.com/read/28144386/critical-hand-ischemia-after-radial-access-for-coronary-angiography-case-report
#10
Krzysztof Bojakowski, Michał Zawadzki, Bartosz Mruk, Piotr Andziak, Jerzy Walecki
BACKGROUND: Radial artery is now the most frequent access for coronary angiography and intervention. Despite the common opinion that it is safer than femoral access, it has the potential for serious complications. One of them is upper limb ischemia caused by radial artery thrombosis. CASE REPORT: We are presenting a case of critical hand ischemia after coronary angiography performed through radial access despite existing risk factors, which may be considered as relative contraindications...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28144062/role-of-radial-endobronchial-ultrasound-guided-transbronchial-needle-aspiration-in-the-diagnosis-of-pulmonary-nodules-case-report-and-literature-review
#11
Sahajal Dhooria, Inderpaul Singh Sehgal, Nalini Gupta, Ashutosh Nath Aggarwal, Digambar Behera, Ritesh Agarwal
The diagnosis of pulmonary nodules can be made using several methods including computed tomography (CT)-guided fine-needle aspiration (FNA), radial endobronchial ultrasound (EBUS)-guided sampling techniques (transbronchial lung biopsy [TBLB], transbronchial brush, bronchoalveolar lavage, or transbronchial needle aspiration [TBNA]), or occasionally with convex probe (CP) EBUS-TBNA. While CT-guided FNA is associated with a high (25%) rate of pneumothorax, the CP-EBUS cannot reach lesions beyond the interlobar region...
January 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/28138123/initial-experience-and-feasibility-of-the-new-low-profile-stingray-catheter-as-part-of-the-antegrade-dissection-and-re-entry-revascularization-strategy-for-coronary-chronic-total-occlusions
#12
Joren Maeremans, Pieter-Jan Palmers, Joseph Dens
BACKGROUND During antegrade dissection re-entry (ADR) of chronic total occlusions (CTO), the first-generation Stingray catheter requires the use of large-bore guides (sheathless 7.5 Fr or 8 Fr), which increases the risk for access site-related complications and compromises radial approaches. Smaller guiding sizes necessitate long guidewires (e.g., 300 cm) or guidewire extensions for catheter advancement or removal. However, friction between guides and the Stingray catheter can result in unstable guidewire position or unintentional removal...
January 31, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28127779/fine-grained-versus-categorical-pupil-size-differentiates-between-strategies-for-spatial-working-memory-performance
#13
Martina Starc, Alan Anticevic, Grega Repovš
Pupillometry provides an accessible option to track working memory processes with high temporal resolution. Several studies showed that pupil size increases with the number of items held in working memory; however, no study has explored whether pupil size also reflects the quality of working memory representations. To address this question, we used a spatial working memory task to investigate the relationship of pupil size with spatial precision of responses and indicators of reliance on generalized spatial categories...
January 27, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28117244/radial-versus-femoral-access-for-coronary-angiography-and-intervention-is-associated-with-lower-patient-radiation-exposure-in-high-radial-volume-centres-insights-from-the-ray-act-1-study
#14
Jean-Louis Georges, Loic Belle, Ludovic Meunier, Thierry Dechery, Khalifé Khalifé, Max Pecheux, Simon Elhaddad, Nicolas Amabile, Michel Pansieri, Jacques Ballout, Xavier Marchand, Gilles Rouault, Pierre Leddet, Olivier Nugue, Nicolas Lucke, Simon Cattan
BACKGROUND: Literature suggests that radial access is associated with higher radiation doses than femoral access. AIMS: To compare patient radiation exposure during coronary angiography (CA) and percutaneous coronary intervention (PCI) with radial versus femoral access. METHODS: RAY'ACT is a nationwide, multicentre, French survey evaluating patient radiation in interventional cardiology. Variables of patient exposure from 21,675 CAs and 17,109 PCIs performed at 44 centres during 2010 were analysed retrospectively...
January 20, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28104044/procedural-variations-in-performing-primary-percutaneous-coronary-intervention-in-patients-with-st-elevation-myocardial-infarction
#15
REVIEW
Radhika M Mehta, Manyoo Agarwal, Ikechukwu Ifedili, Wael W Rizk, Rami N Khouzam
Multiple variations exist in performing a primary percutaneous coronary intervention (pPCI) in ST-segment elevation myocardial infarction (STEMI) among various cardiologists. These variations range from the choice of peripheral access artery (radial vs femoral), performance or time of complete angiography including left ventriculography, and nonculprit vessel angiography before or after intervening on the culprit vessel. The reasons for such variations include emphasis on door-to-balloon time, knowledge of cardiac anatomy before proceeding with pPCI, physician expertise, and the level of comfort with radial approach...
February 2017: Current Problems in Cardiology
https://www.readbyqxmd.com/read/28086747/microrna-based-pan-cancer-diagnosis-and-treatment-recommendation
#16
Nikhil Cheerla, Olivier Gevaert
BACKGROUND: The current state-of-the-art in cancer diagnosis and treatment is not ideal; diagnostic tests are accurate but invasive, and treatments are "one-size fits-all" instead of being personalized. Recently, miRNA's have garnered significant attention as cancer biomarkers, owing to their ease of access (circulating miRNA in the blood) and stability. There have been many studies showing the effectiveness of miRNA data in diagnosing specific cancer types, but few studies explore the role of miRNA in predicting treatment outcome...
January 13, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28078374/-anaesthesia-procedures-and-invasive-vascular-access-in-severely-injured-patients-at-trauma-room-admission-in-germany-an-online-survey
#17
M F Struck, P Hilbert-Carius, B Hossfeld, J Hinkelbein, M Bernhard, T Wurmb
BACKGROUND: The continuous monitoring of vital parameters and subsequent therapy belong to the core duties of anaesthetists during acute trauma resuscitation in the trauma room. Important procedures may include placement of arterial lines and central venous catheters (CVCs). Knowledge of indication, performance and localization of invasive catheterisation of trauma care in Germany is scarce. METHODS: After approval of the German Society of Anaesthesiology and Intensive Care Medicine we conducted an online survey about arterial and central venous catheterisation of severely injured patients with consideration of common practice used by anaesthetists in German trauma rooms...
January 11, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28077091/transradial-versus-transfemoral-approach-for-coronary-angiography-and-angioplasty-a-prospective-randomized-comparison
#18
Fayaz Ahmad Bhat, Khalid Hamid Changal, Hameed Raina, Nisar Ahmad Tramboo, Hilal Ahmad Rather
BACKGROUND: PCI has been done traditionally through transfemoral route. But now transradial and transbrachial routes are also coming up in practice. We compared transradial versus transfemoral routes for ease of operability, time for procedure, complications, and failure rates through a prospective study. METHODS: Four hundred Patients admitted in department of cardiology for percutaneous interventions were enrolled in the study. 200 patients were assigned to each group randomly...
January 11, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28068370/visualization-of-radial-peripapillary-capillaries-using-optical-coherence-tomography-angiography-the-effect-of-image-averaging
#19
Shelley Mo, Erika Phillips, Brian D Krawitz, Reena Garg, Sarwat Salim, Lawrence S Geyman, Eleni Efstathiadis, Joseph Carroll, Richard B Rosen, Toco Y P Chui
OBJECTIVES: To assess the effect of image registration and averaging on the visualization and quantification of the radial peripapillary capillary (RPC) network on optical coherence tomography angiography (OCTA). METHODS: Twenty-two healthy controls were imaged with a commercial OCTA system (AngioVue, Optovue, Inc.). Ten 10x10° scans of the optic disc were obtained, and the most superficial layer (50-μm slab extending from the inner limiting membrane) was extracted for analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28059176/spatially-localized-see-through-wall-temperature-measurements-in-a-flow-reactor-using-radar-rempi
#20
Yue Wu, Mark Gragston, Zhili Zhang, Joseph D Miller
See-through-wall coherent microwave scattering from resonance-enhanced multiphoton ionization (REMPI) for rotational temperature measurements of molecular oxygen has been developed and demonstrated in a flow reactor at atmospheric pressure. Through limited, single-ended optical access, a laser beam was focused to generate local ionization of molecular oxygen in a heated quartz flow reactor enclosed by ceramic heating elements. Coherent microwaves were transmitted, and the subsequent scattering off the laser-induced plasma was received, through the optically opaque ceramic heater walls and used to acquire rotational spectra of molecular oxygen and to determine temperature...
January 1, 2017: Optics Letters
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