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https://www.readbyqxmd.com/read/29223499/a-comparison-of-standard-versus-low-dose-heparin-on-access-related-complications-after-coronary-angiography-through-radial-access-a-meta-analysis-of-randomized-controlled-trials
#1
Khagendra Dahal, Sharan Sharma, Adil Yousuf, Juyong Lee, Michael Azrin, Enrique Jimenez, Kalgi Modi, Neeraj Tandon
BACKGROUND: Transradial access (TRA) is preferred for coronary angiography (CA) or percutaneous coronary intervention due to reduced access-related complications, and mortality especially for patients with ST elevation myocardial infarction. Radial artery occlusion (RAO) is a known complication of TRA, and precludes its use as a future access site, conduit for coronary artery bypass grafting or for hemodialysis fistula placement. Although a standard dose (SD) heparin of 5000 Units is used during TRA, the risks of RAO and hematoma compared to lower dose (LD) remain unclear...
November 5, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29222865/multipoint-pacing-improves-peripheral-hemodynamic-response-non-invasive-assessment-using-radial-artery-tonometry
#2
Giuseppe Ciconte, Žarko Ćalović, Gabriele Vicedomini, Amarild Cuko, Luke C McSpadden, Chunlan Jiang, Kyungmoo Ryu, Igor Caporaso, Robert Stutz, Dean Winter, Massimo Saviano, Raffaele Vitale, Manuel Conti, Vincenzo Santinelli, Carlo Pappone
BACKGOUND: Multipoint left ventricular (LV) pacing (MultiPoint™ Pacing [MPP], Abbott) improves the response rate to cardiac resynchronization therapy (CRT). We evaluated the feasibility of non-invasive radial artery tonometry (RAT) to characterize arterial pressure morphology changes (pre-ejection period [PEP] and ejection duration [ED]) between conventional CRT and MPP pacing interventions. METHODS: Patients with a MPP-enabled CRT device (Quadra Assura MP™, Abbott) underwent non-invasive RAT assessment (SphygmoCor CVMS, AtCor Medical Inc...
December 9, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29217449/role-of-brachial-artery-ligation-bal-in-management-of-prosthetic-arterio-venous-graft-infections
#3
A R Chandrashekar, Chetan R Hoskatti, Sanjay C Desai, Rajendra B Prasad
CONTEXT: Arterio-Venous Graft (AVG) infections can present as major life-threatening hemorrhage or sepsis in a chronic kidney disease patient. Frequently all these patients present in critical condition which need prompt and expeditious management. Various procedures are described for management of infected grafts and its bleeding complications. However these procedures are associated with postop-operative bleeding and persistent infection. AIM: To study brachial artery ligation near the elbow joint in the management of an infected AV graft...
December 4, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29217340/supera-stent-outcomes-in-above-the-knee-interventions-effects-of-compression-and-elongation-sake-compel-sub-study
#4
Hemal Bhatt, Richard Kovach, Sean Janzer, Jon C George
INTRODUCTION: The interwoven nitinol design of the Supera stent has been shown to have superior radial strength and fracture resistance resulting in higher patency rates at 6 and 12months. A detailed sub-analysis of SUPERB trial showed differences in patency based on stent conformation post deployment. We evaluated the patency of the stent within the SAKE study cohort based on stent deployment conformation. METHODS: We retrospectively evaluated the medical records of 63 patients (77 limbs) with Rutherford class 2-5 symptoms who received Supera stents in the femoro-popliteal artery from March 2010 through May 2011 as part of the SAKE study...
November 16, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29217231/risk-factors-for-radial-to-femoral-artery-pressure-gradient-in-patients-undergoing-cardiac-surgery-with-cardiopulmonary-bypass
#5
Vincent Bouchard-Dechêne, Pierre Couture, Antonio Su, Alain Deschamps, Yoan Lamarche, Georges Desjardins, Sylvie Levesque, André Y Denault
OBJECTIVE: To identify risk factors associated with radial-to-femoral pressure gradient during cardiac surgery with cardiopulmonary bypass (CPB). DESIGN: This is a retrospective, observational study. SETTING: Single specialized cardiothoracic hospital in Montreal, Canada. PARTICIPANTS: Consecutive patients that underwent heart surgery with CPB between 2005 and 2015 (n = 435). INTERVENTIONS: None...
September 15, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29216203/dose-responses-of-vitamin-d3-supplementation-on-arterial-stiffness-in-overweight-african-americans-with-vitamin-d-deficiency-a-placebo-controlled-randomized-trial
#6
Anas Raed, Jigar Bhagatwala, Haidong Zhu, Norman K Pollock, Samip J Parikh, Ying Huang, Robyn Havens, Ishita Kotak, De-Huang Guo, Yanbin Dong
BACKGROUND: Clinical trials are scant and equivocal on whether vitamin D can ameliorate arterial stiffness, particularly in populations at high risk for vitamin D deficiency and cardiovascular disease (CVD). This study determined the dose-response effects of vitamin D3 supplementation on arterial stiffness in overweight African Americans with vitamin D deficiency. METHODS: Seventy overweight African Americans (aged 13-45 years) with serum 25-hydroxyvitamin D [25(OH)D] levels ≤ 20 ng/mL were randomized to monthly oral supplementation of 18,000 IU (~600 IU/day, n = 17), 60,000 IU (~2000 IU/day, n = 18), or 120,000 IU (~4000 IU/day, n = 18) of vitamin D3 or placebo (n = 17) for 16-weeks...
2017: PloS One
https://www.readbyqxmd.com/read/29214655/an-anatomic-description-of-intrinsic-brachial-muscles-in-the-crab-eating-fox-cerdocyon-thous-linnaeus-1776-and-report-of-a-variant-arterial-distribution
#7
J Vélez, J Ramírez, O Aristizábal
The crab-eating fox (Cerdocyon thous) is a wild canid distributed throughout South America. It is one of the wild canids reported being hit by vehicles and injured in snares, thus inducing trauma or injury to the musculoskeletal system, possibly occurring in the brachial region. The main objective of this research was to provide an anatomic description of the crab-eating fox's intrinsic brachial muscles including shape, origin, insertion, innervation and arterial blood supply, compared with that of the domestic dog...
December 6, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/29209775/effect-of-aggressive-lipid-lowering-treatment-with-rosuvastatin-on-vascular-endothelium-function-evaluation-of-vascular-endothelium-function-earth-study
#8
Tadateru Takayama, Takafumi Hiro, Shunichi Yoda, Daisuke Fukamachi, Hironori Haruta, Takaaki Kogo, Takashi Mineki, Hironobu Murata, Toru Oshima, Atsushi Hirayama
Vascular endothelial dysfunction plays an important role in the process of atherosclerosis up to the final stage of plaque rupture. Vascular endothelial dysfunction is reversible, and can be recovered by medications and life-style changes. Improvement in endothelial function may reduce cardiovascular events and improve long-term prognosis. A total of 50 patients with stable angina and dyslipidemia were enrolled, including patients who had not received prior treatment with statins and had serum LDL-C levels ≥ 100 mg/dL, and patients who had previously received statin treatment...
December 5, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/29207853/complications-following-transradial-cerebral-angiography-an-ultrasound-follow-up-study
#9
Wonki Yoon, Woo-Keun Kwon, Omar Choudhri, Jaegeun Ahn, Hanyong Huh, Choel Ji, Huy M Do, Aditya Mantha, Sin-Soo Jeun
Objective: The feasibility and usefulness of transradial catheterization for coronary and neuro-intervention are well known. However, the anatomical change in the catheterized radial artery (RA) is not well understood. Herein, we present the results of ultrasonographic observation of the RA after routine transradial cerebral angiography (TRCA). Methods: Patients who underwent routine TRCA with pre- and post-procedure Doppler ultrasonography (DUS) of the catheterized RA were enrolled...
December 6, 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29205487/the-impact-of-unfractionated-heparin-or-bivalirudin-on-patients-with-stable-coronary-artery-disease-undergoing-percutaneous-coronary-intervention
#10
Fabio V Lima, Luis Gruberg, Usman Aslam, Melissa Ramgadoo, Kydanis Clase, Alessandra Trevisan, Allen Jeremias
OBJECTIVES: To compare bleeding and clinical events of patients with stable angina or silent ischemia undergoing percutaneous coronary intervention (PCI) treated with unfractionated heparin (UFH) or bivalirudin. BACKGROUND: Few direct comparisons between UFH monotherapy versus bivalirudin exist for patients with stable ischemic heart disease undergoing PCI. METHODS: A prospective, investigator-initiated, single-center, single-blinded, randomized trial of UFH versus bivalirudin was conducted...
December 4, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29203066/-the-sural-medial-perforator-flap-anatomical-bases-surgical-technique-and-indications-in-head-and-neck-reconstruction
#11
S Struk, J-B Schaff, Q Qassemyar
INTRODUCTION: The medial sural artery perforator (MSAP) flap is defined as a thin cutaneo-adipose perforator flap harvested on the medial aspect of the leg. The aims of this study were to describe the anatomical basis as well as the surgical technique and discuss the indications in head and neck reconstructive surgery. MATERIAL AND METHODS: We harvested 10 MSAP flap on 5 fresh cadavers. For each case, the number and the location of the perforators were recorded...
December 1, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/29203040/-management-of-traumatic-and-iatrogenic-arterial-pseudoaneurysms-in-a-tropical-environment
#12
F Raherinantenaina, R A L Rakotorahalahy, M C G Andrianandraina, H N Rakoto Ratsimba, T M A Rajaonanahary
A false aneurysm or pseudoaneurysm (PA) is the formation of a pulsatile and encapsulated hematoma in communication with the lumen of a perforated artery. Its origin is different but most cases are associated with a traumatic event. Currently, the referenced treatment is endovascular surgery but it is not feasible for the majority of vascular surgeons working in a tropical environment. The aim of this study was to describe the diagnostic and therapeutic aspects of arterial PA (APA) encountered in our institution and to evaluate the place of open surgical technique in their management...
December 2017: Journal de Médecine Vasculaire
https://www.readbyqxmd.com/read/29200907/chronic-cerebral-hypoperfusion-and-plasticity-of-the-posterior-cerebral-artery-following-permanent-bilateral-common-carotid-artery-occlusion
#13
Kyung-Ok Cho, Seul-Ki Kim, Seong Yun Kim
Vascular dementia (VaD) is a group of heterogeneous diseases with the common feature of cerebral hypoperfusion. To identify key factors contributing to VaD pathophysiology, we performed a detailed comparison of Wistar and Sprague-Dawley (SD) rats subjected to permanent bilateral common carotid artery occlusion (BCCAo). Eight-week old male Wistar and SD rats underwent BCCAo, followed by a reference memory test using a five-radial arm maze with tactile cues. Continuous monitoring of cerebral blood flow (CBF) was performed with a laser Doppler perfusion imaging (LDPI) system...
November 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/29200904/taurine-relaxes-human-radial-artery-through-potassium-channel-opening-action
#14
Kemal Gokhan Ulusoy, Erkan Kaya, Kubilay Karabacak, Melik Seyrek, İbrahim Duvan, Vedat Yildirim, Oguzhan Yildiz
The vascular actions and mechanisms of taurine were investigated in the isolated human radial artery (RA). RA rings were suspended in isolated organ baths and tension was recorded isometrically. First, a precontraction was achieved by adding potassium chloride (KCl, 45 mM) or serotonin (5-hydroxytryptamine, 5-HT, 30 µM) to organ baths. When the precontractions were stable, taurine (20, 40, 80 mM) was added cumulatively. Antagonistic effect of taurine on calcium chloride (10 µM to 10 mM)-induced contractions was investigated...
November 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/29196091/minimally-invasive-percutaneous-transluminal-renal-artery-stenting
#15
Ken Kongoji, Takanobu Mitarai, Mizuho Kasahara, Hiroshi Yamazaki, Yuki Ishibashi, Kohei Koyama, Kihei Yoneyama, Yasuhiro Tanabe, Yoshihiro J Akashi, Hideaki Yoshino
BACKGROUND: Minimally invasive percutaneous transluminal renal artery stenting (MIPTRS) is a method that prevents complications to the greatest extent possible. The present study aimed to investigate the safety and efficacy of MIPTRS performed in cases of renal artery stenosis with an estimated glomerular filtration rate (eGFR)≤45mL/min. METHODS: Cases of patients who underwent MIPTRS at our hospital between December 2010 and June 2015 in whom eGFR was ≤45mL/min were retrospectively analysed...
November 21, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29195902/indoxyl-sulfate-accelerates-vascular-smooth-muscle-cell-calcification-via-microrna-29b-dependent-regulation-of-wnt-%C3%AE-catenin-signaling
#16
Han Zhang, Jing Chen, Ziyan Shen, Yulu Gu, Linghan Xu, Jiachang Hu, Xiaoyan Zhang, Xiaoqiang Ding
Vascular calcification (VC) is a very common phenomenon in patients with chronic kidney disease(CKD) and it increases the incidence of cardiovascular disease and leads to high mortality in CKD patients. It has been reported that some microRNAs (miRs) play roles in vascular calcification as an epigenetic regulator. Indoxyl sulfate (IS) is a protein-bound uremic toxin which has been proven as one of the major risk factors of cardiovascular disease in CKD. Here we investigated whether microRNA-29b (miR-29b) is involved in IS-induced vascular calcification...
November 28, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29195570/worldwide-trends-in-multi-arterial-coronary-artery-bypass-grafting-surgery-2004-2014-a-tale-of-2-continents
#17
Thomas A Schwann, James Tatoulis, John Puskas, Mark Bonnell, David Taggart, Paul Kurlansky, Jeffery P Jacobs, Vinod H Thourani, Sean O'Brien, Amelia Wallace, Milo C Engoren, Robert F Tranbaugh, Robert H Habib
Recent evidence shows that multi-arterial coronary artery bypass grafting (MABG) based on bilateral internal thoracic (BITA) or left internal thoracic (LITA) and radial artery (RA) improves long-term outcomes compared with single arterial coronary artery bypass grafting (SABG) (LITA + saphenous vein graft). How this evidence affected the worldwide use of MABG, if at all, is not well defined. Accordingly, we report 10-year temporal trends of MABG utilization from 2 continents. A study population of 1,683,434 non-emergent, primary, isolated LITA-based coronary artery bypass grafting (CABG) (≥2 grafts) patients was derived from the Society of Thoracic Surgeons (STS) (1,307,528 (79...
2017: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29193460/corticospinal-tract-diffusion-properties-and-robotic-visually-guided-reaching-in-children-with-hemiparetic-cerebral-palsy
#18
Andrea M Kuczynski, Sean P Dukelow, Jacquie A Hodge, Helen L Carlson, Catherine Lebel, Jennifer A Semrau, Adam Kirton
Perinatal stroke is the leading cause of hemiparetic cerebral palsy (CP), resulting in life-long disability. In this study, we examined the relationship between robotic upper extremity motor impairment and corticospinal tract (CST) diffusion properties. Thirty-three children with unilateral perinatal ischemic stroke (17 arterial, 16 venous) and hemiparesis were recruited from a population-based research cohort. Bilateral CSTs were defined using diffusion tensor imaging (DTI) and four diffusion metrics were quantified: fractional anisotropy (FA), mean (MD), radial (RD), and axial (AD) diffusivities...
November 29, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/29193260/racer-grasp-respiratory-weighted-aortic-contrast-enhancement-guided-and-coil-unstreaking-golden-angle-radial-sparse-mri
#19
Li Feng, Chenchan Huang, Krishna Shanbhogue, Daniel K Sodickson, Hersh Chandarana, Ricardo Otazo
PURPOSE: To develop and evaluate a novel dynamic contrast-enhanced imaging technique called RACER-GRASP (Respiratory-weighted, Aortic Contrast Enhancement-guided and coil-unstReaking Golden-angle RAdial Sparse Parallel) MRI that extends GRASP to include automatic contrast bolus timing, respiratory motion compensation, and coil-weighted unstreaking for improved imaging performance in liver MRI. METHODS: In RACER-GRASP, aortic contrast enhancement (ACE) guided k-space sorting and respiratory-weighted sparse reconstruction are performed using aortic contrast enhancement and respiratory motion signals extracted directly from the acquired data...
November 28, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29191963/competitive-apnea-and-its-effect-on-the-human-brain-focus-on-the-redox-regulation-of-blood-brain-barrier-permeability-and-neuronal-parenchymal-integrity
#20
Anthony R Bain, Philip N Ainslie, Ryan L Hoiland, Otto F Barak, Ivan Drvis, Mike Stembridge, Douglas M MacLeod, Jane McEneny, Benjamin S Stacey, Eduoard Tuaillon, Nicola Marchi, Alexis Fayd'Herbe De Maudave, Zeljko Dujic, David B MacLeod, Damian M Bailey
Static apnea provides a unique model that combines transient hypertension, hypercapnia, and severe hypoxemia. With apnea durations exceeding 5 min, the purpose of the present study was to determine how that affects cerebral free-radical formation and the corresponding implications for brain structure and function. Measurements were obtained before and following a maximal apnea in 14 divers with transcerebral exchange kinetics, measured as the product of global cerebral blood flow (duplex ultrasound) and radial arterial to internal jugular venous concentration differences (a-vD)...
November 30, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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