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https://www.readbyqxmd.com/read/28931265/diagnostic-and-interventional-optical-angioscopy-in-ex-vivo-carotid-arteries
#1
Luis E Savastano, Neeraj Chaudhary, Carlos Murga-Zamalloa, Michael Wang, Thomas Wang, B Gregory Thompson
BACKGROUND: Angioscopy - or endovascular endoscopy - is a catheter-based technique employing a flexible fiberoptic angioscope to directly visualize arterial lumen. Poor resolution and excessive stiffness of pre-existent angioscopes limited their use clinically. Recent advances resulted in novel fused optical fiber bundle angioscopes with improved flexibility and imaging resolution. Use of these devices in endovascular neurosurgery is still largely unexplored. OBJECTIVE: To evaluate image quality and feasibility of optical angioscopes for diagnostic and interventional neuro-angioscopy in carotid arteries of human cadavers...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28931184/-modern-interdisciplinary-management-of-a-uretero-iliac-artery-fistula-case-report
#2
D Benedix, F Meyer, F Fischbach, A Janitzky, Z Halloul
Introduction Abnormal links between the arterial system and other luminal systems are a challenge to those in charge of their adequate diagnostic and therapeutic management. Objective Scientific case report on an individual who underwent successful treatment combining vascular-surgical and interventional radiology techniques for a rare right uretero-iliac artery fistula based on personal clinical experience, a selective literature research and a detailed discussion of current recommendations for diagnostic workup and subsequent treatment...
September 20, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28930931/multiple-concomitant-traumatic-pseudoaneurysms-of-the-superficial-temporal-artery
#3
Doga Gurkanlar, Sevda Lafci Fahrioğlu
The authors present a case with a 22-year-old man suffering from a 2 pseudoaneurysms at the temporal region following trauma. The second pseudoaneurysm was diagnosed through an astute use of digital subtraction angiography along with ultrasound to the right external carotid artery which was preferred due to the presence of a vascular pathology at the region of the trauma. During surgery, the distal and proximal ends of both aneurysms were ligated and resected. The concomitant pseudoaneurysms and the use of digital subtraction angiography should be kept in mind in such trauma patients to prevent additional surgical interventions...
September 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28929836/the-relationship-between-blood-flow-impairment-and-oxygen-depletion-in-acute-ischemic-stroke-imaged-with-magnetic-resonance-imaging
#4
Alexander Seiler, Nicholas P Blockley, Ralf Deichmann, Ulrike Nöth, Oliver C Singer, Michael A Chappell, Johannes C Klein, Marlies Wagner
Oxygenation-sensitive spin relaxation time T2' and relaxation rate R2' (1/T2') are presumed to be markers of the cerebral oxygen extraction fraction (OEF) in acute ischemic stroke. In this study, we investigate the relationship of T2'/R2' with dynamic susceptibility contrast-based relative cerebral blood flow (rCBF) in acute ischemic stroke to assess their plausibility as surrogate markers of the ischemic penumbra. Twenty-one consecutive patients with internal carotid artery and/or middle cerebral artery occlusion were studied at 3...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28929100/advents-in-the-diagnosis-and-management-of-ischemic-colitis
#5
REVIEW
Evangelos P Misiakos, Dimitrios Tsapralis, Theodore Karatzas, Irene Lidoriki, Dimitrios Schizas, George S Sfyroeras, Konstantinos G Moulakakis, Chrysostomos Konstantos, Anastasios Machairas
BACKGROUND: Ischemic colitis (IC) is a common type of ischemic insult, resulting from decreased arterial blood flow to the colon. This disease can be caused from either atherosclerotic occlusive vascular disease or non-occlusive disease. The aim of this study is to present the diagnostic methodology and management of this severe disease based on current literature. METHODS: A literature search has been done including articles referring to modern diagnosis and management of IC...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/28927979/enlarging-vascular-stents-after-pediatric-liver-transplantation
#6
Yi-Ting Yeh, Cheng-Yen Chen, Hsiou-Shan Tseng, Hsin-Kai Wang, Hsin-Lin Tsai, Niang-Cheng Lin, Chou-Fu Wei, Chinsu Liu
BACKGROUND: Endovascular intervention with stent placement to treat portal vein (PV) and hepatic vein (HV) stenosis after pediatric liver transplantation (LT) is still controversial in small children owing to the potential risk of functional stenosis after growth. The aim of this study is to evaluate the safety and efficacy of stent placement in this population. METHODS: Between 2004 and 2016, 6 children (all <3 years) received HV (n = 2) and PV (n = 4) stents placement among 46 pediatric LT patients at our institution...
September 5, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28927896/niacin-and-heart-disease-prevention-engraving-its-tombstone-is-a-mistake
#7
REVIEW
Harold Robert Superko, Xue-Qiao Zhao, Howard N Hodis, John R Guyton
Niacin (nicotinic acid) has been used for primary and secondary coronary heart disease prevention for over 40 years. Until recently clinical trials incorporating niacin as part of an intervention strategy consistently demonstrated reduction in clinical events and lesion improvement, including ≥6% absolute mortality reduction. Two large clinical event trials in 2011 (Atherothrombosis Intervention in Metabolic Syndrome With Low HDL/High Triglycerides and Impact on Global Health Outcomes) and 2014 (Heart Protection Study 2-Treatment of HDL to Reduce the Incidence of Vascular Events) concluded that niacin added to statin therapy did not provide clinical event benefit over statin alone...
August 24, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28927716/the-effects-of-lifestyle-modification-and-statin-therapy-on-the-circulatory-markers-for-vascular-risk-in-patients-with-epilepsy
#8
Dong Wook Kim, Hyun Kyung Kim, Eun-Kee Bae
Although long-term therapy with antiepileptic drugs can increase the risk of vascular diseases, there have been little attempts to reduce the increased vascular risk in patients with epilepsy. We conducted a prospective longitudinal study to assess the effects of lifestyle modification and 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitor (statin) therapy on the increased circulatory markers for vascular risk in patients with epilepsy. We recruited patients with increased vascular risk such as a history of vascular events or hypercholesterolemia, and they decided whether to be treated with statin or just to modify their lifestyle...
September 15, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28927645/angiotensin-ii-type-1-receptor-antibodies-are-associated%C3%A2-with-inflammatory-cytokines-and-poor-clinical-outcomes-in-pediatric-kidney-transplantation
#9
Meghan H Pearl, Qiuheng Zhang, Miguel Fernando Palma Diaz, Jonathan Grotts, Maura Rossetti, David Elashoff, David W Gjertson, Patricia Weng, Elaine F Reed, Eileen Tsai Chambers
Angiotensin II type 1 receptor (AT1R) antibody has been linked to poor allograft outcomes in adult kidney transplantation. However, its clinical consequences in children are unknown. To study this, we examined the relationship of AT1R antibody with clinical outcomes, biopsy findings, inflammatory cytokines, and HLA donor-specific antibodies (DSA) in a cohort of pediatric renal transplant recipients. Sixty-five patients were longitudinally monitored for AT1R antibody, HLA DSA, IL-8, TNF-α, IL-1β, IFN-γ, IL-17, and IL-6, renal dysfunction, hypertension, rejection, and allograft loss during the first two years post transplantation...
September 16, 2017: Kidney International
https://www.readbyqxmd.com/read/28925651/exercise-stress-testing-indications-and-common-questions
#10
Kathryn K Garner, William Pomeroy, James J Arnold
Exercise stress testing is a validated diagnostic test for coronary artery disease in symptomatic patients, and is used in the evaluation of patients with known cardiac disease. Testing of asymptomatic patients is generally not indicated. It may be performed in select deconditioned adults before starting a vigorous exercise program, but no studies have compared outcomes from preexercise testing vs. encouraging light exercise with gradual increases in exertion. Preoperative exercise stress testing is helpful for risk stratification in patients undergoing vascular surgery or who have active cardiac symptoms before undergoing nonemergent noncardiac surgery...
September 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28925467/effects-of-rosuvastatin-on-pentraxin-3-level-and-platelet-aggregation-rate-in-elderly-patients-with-acute-myocardial-infarction-undergoing-elective-interventional-therapy-a-double-blind-controlled-study
#11
Y-H Li, L-H Wang, Q Li, D-W Yu, Y-S Gai, S-X Cai, F Tian, H-Y Zhou
OBJECTIVE: To investigate clinical effects of rosuvastatin on blood lipid levels, hemorheological profiles, vascular endothelial function, pentraxin 3 (PTX-3) level, the number of granule membrane glycoprotein (GMP-140) molecules and platelet aggregation rate in elderly patients with acute myocardial infarction (AMI) undergoing elective percutaneous coronary intervention (PCI). PATIENTS AND METHODS: Total of 120 elderly patients admitted with AMI undergoing elective PCI from July 2014 to January 2016 were selected...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28921009/radiation-overexposure-from-repeated-ct-scans-in-young-adults-with-acute-abdominal-pain
#12
Massimo Tonolini, Elena Valconi, Angelo Vanzulli, Roberto Bianco
PURPOSE: The purpose of this study is to assess the dose of ionizing radiation caused by repeated CT scans performed to investigate non-traumatic acute abdominal conditions in young adults. METHODS: Over 26 months, we collected a cohort of patients aged 18 to 45 years who were subject to at least one urgent contrast-enhanced abdomen/pelvis CT. Patients affected with urolithiasis, HIV infection, tumors, and vascular and chronic inflammatory bowel diseases were excluded...
September 18, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28920634/outcomes-analysis-of-stent-graft-repair-for-thoracic-aorta-emergencies
#13
Mourad Boufi, Florent Vernet, Bianca Dona, Olivier Hartung, Anderson D Loundou, Martine Haccoun, Marc Leone, Yves S Alimi
BACKGROUND: This study aimed to identify patient, pathology and procedure-related factors affecting perioperative and mid-term mortality of thoracic aorta emergencies. METHODS: Between 2007 and 2014, patients treated emergently with thoracic stent-graft were retrospectively reviewed. Variables analyzed were: age, renal insufficiency, shock, cardiac arrest, transfer status, pathology, debranching procedures, operation duration, vascular access and European System for Cardiac Operative Risk Evaluation (EuroSCORE)...
December 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28920182/neovascularization-and-synaptic-function-regulation-with-memantine-and-rosuvastatin-in-a-rat-model-of-chronic-cerebral-hypoperfusion
#14
Nan Zhang, Chenchen Song, Baomin Zhao, Mengya Xing, Lanlan Luo, Marc L Gordon, Yan Cheng
Cerebral hypoperfusion is an important factor in the pathogenesis of cerebrovascular diseases and neurodegenerative disorders. We investigated the effects of memantine and rosuvastatin on both neovascularization and synaptic function in a rat model of chronic cerebral hypoperfusion, which was established by the bilateral common carotid occlusion (2VO) method. We tested learning and memory ability, synaptic function, circulating endothelial progenitor cell (EPC) number, expression of neurotrophic factors, and markers of neovasculogenesis and cell proliferation after memantine and/or rosuvastatin treatment...
September 17, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28919773/sickle-cell-retinopathy-improving-care-with-a-multidisciplinary-approach
#15
REVIEW
Farid Menaa, Barkat Ali Khan, Bushra Uzair, Abder Menaa
Sickle cell retinopathy (SCR) is the most representative ophthalmologic complication of sickle cell disease (SCD), a hemoglobinopathy affecting both adults and children. SCR presents a wide spectrum of manifestations and may even lead to irreversible vision loss if not properly diagnosed and treated at the earliest. Over the past decade, multidisciplinary research developments have focused upon systemic, genetic, and ocular risk factors of SCR, enabling the clinician to better diagnose and manage these patients...
2017: Journal of Multidisciplinary Healthcare
https://www.readbyqxmd.com/read/28919071/validation-of-the-retrieve-reverse-triage-events-criteria-for-same-day-return-of-non-st-elevation-acute-coronary-syndrome-patients-to-referring-non-pci-centres
#16
Sonya N Burgess, Vu Huynh Nguyen, James Xu, Yoshio Hinde, Anoop Dharmadmajan, Xavier Brennan, Karen Owen, Karen Lintern, Craig Juergens, Sidney Lo, Phong Nguyen, Krishna K Kadappu, John K French, Rohan Rajaratnam
BACKGROUND: There are continuing bed constraints in percutaneous coronary intervention centres (PCI) so efficient patient triage from referral hospitals is pivotal. To evaluate a strategy of PCI centre (PCIC) bed-sparing we examined return of patients to referral hospitals screened by the RETRIEVE (REverse TRIage EVEnts) criteria and validated its use as a tool for screening suitability for same day transfer of non-ST-elevation acute coronary syndrome (NSTEACS) patients post PCI to their referring non-PCI centre (NPCIC)...
August 19, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28916668/procedural-requirements-and-certification-paradigms-for-stroke-care-delivery-perspective-of-neurointerventional-professional-societies
#17
Nicholas C Bambakidis, Kevin Cockroft, Yin C Hu, Joshua A Hirsch, Don Heck, Anthony J Furlan, Tudor Jovin, J D Mocco, Jonathan Pace, Adnan Siddiqui, Sepideh Amin-Hanjani, Gregory Zipfel, Brian Hoh, Peter Nakaji, Sean Lavine
No abstract text is available yet for this article.
September 15, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28915658/oxidative-stress-mediates-an-increased-formation-of-vascular-endothelial-growth-factor-in-human-hepatocarcinoma-cells-exposed-to-erlotinib
#18
Nataliya Rohr-Udilova, Florian Klinglmüller, Martha Seif, Hubert Hayden, Martin Bilban, Matthias Pinter, Klaus Stolze, Wolfgang Sieghart, Markus Peck-Radosavljevic, Michael Trauner
The tyrosine kinase inhibitor erlotinib targets the receptor of epidermal growth factor (EGFR) involved in development of hepatocellular carcinoma (HCC). Although inefficient in established HCC, erlotinib has been recently proposed for HCC chemoprevention. Since Cyp3A4 and Cyp1A2 enzymes metabolize erlotinib in the liver, the insights into the mechanisms of erlotinib effects on liver cells with maintained drug metabolizing activity are needed. We applied erlotinib to both commercially available (SNU398, Huh7) and established in Austria HCC cell lines (HCC-1...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28914638/long-term-risk-and-predictors-of-cardiovascular-death-in-stable-coronary-artery-disease-the-coronor-study
#19
Christophe Bauters, Olivier Tricot, Thibaud Meurice, Nicolas Lamblin
BACKGROUND: There is limited knowledge on the residual risk of cardiovascular death (CVD) in patients with stable coronary artery disease (CAD) who receive modern secondary prevention. Our aim was to analyze the causes of death and to determine predictors of CVD in the 5-year CORONOR registry. METHODS: We studied 4184 consecutive CAD outpatients who were free from any myocardial infarction (MI) or coronary revascularization for more than 1 year at inclusion. Antithrombotics were prescribed in 99%, statins in 92%, inhibitors of renin-angiotensin system in 82%, and β-blockers in 79%; 86% had prior coronary revascularization...
September 13, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28914558/robotics-in-percutaneous-cardiovascular-interventions
#20
Ali Pourdjabbar, Lawrence Ang, Omid Behnamfar, Mitul P Patel, Ryan R Reeves, Paul T Campbell, Ryan D Madder, Ehtisham Mahmud
The fundamental technique of performing percutaneous cardiovascular (CV) interventions has remained unchanged and requires operators to wear heavy lead aprons to minimize exposure to ionizing radiation. Robotic technology is now being utilized in interventional cardiology partially as a direct result of the increasing appreciation of the long-term occupational hazards of the field. This review was undertaken to report the clinical outcomes of percutaneous robotic coronary and peripheral vascular interventions...
September 15, 2017: Expert Review of Cardiovascular Therapy
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