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https://www.readbyqxmd.com/read/28934833/hemodynamic-analysis-of-radiation-induced-damage-in-common-carotid-arteries-by-using-color-doppler-ultrasonography
#1
Alireza Mohammadkarim, Manijhe Mokhtari-Dizaji, Ali Kazemian, Hazhir Saberi
Purpose: The aim of this study was to assess vascular changes and blood flow abnormalities in the common carotid arteries of patients with head and neck cancers after external radiotherapy, using color Doppler ultrasonography. Methods: We studied 24 patients treated with external radiotherapy for various head and neck cancers. In order to study the acute effects of irradiation on common carotid blood flow and arterial diameter changes, color Doppler ultrasonography parameters such as peak systolic velocity, end diastolic velocity, mean velocity, systolic-to-diastolic velocity (S/D) ratio, pulsatility index (PI), resistive index (RI), and instantaneous diameter changes were evaluated before and after external radiotherapy...
April 14, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28929735/heart-repair-using-nanogel-encapsulated-human-cardiac-stem-cells-in-mice-and-pigs-with-myocardial-infarction
#2
Junnan Tang, Xiaolin Cui, Thomas G Caranasos, M Taylor Hensley, Adam C Vandergriff, Yusak Hartanto, Deliang Shen, Hu Zhang, Jinying Zhang, Ke Cheng
Stem cell transplantation is currently implemented clinically but is limited by low retention and engraftment of transplanted cells and the adverse effects of inflammation and immunoreaction when allogeneic or xenogeneic cells are used. Here, we demonstrate the safety and efficacy of encapsulating human cardiac stem cells (hCSCs) in thermosensitive poly(N-isopropylacrylamine-co-acrylic acid) or P(NIPAM-AA) nanogel in mouse and pig models of myocardial infarction (MI). Unlike xenogeneic hCSCs injected in saline, injection of nanogel-encapsulated hCSCs does not elicit systemic inflammation or local T cell infiltrations in immunocompetent mice...
September 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28918410/-just-like-a-normal-pain-what-do-people-with-diabetes-mellitus-experience-when-having-a-myocardial-infarction-a-qualitative-study-recruited-from-uk-hospitals
#3
Nikita Berman, Melvyn Mark Jones, Daan A De Coster
OBJECTIVE: The objective of the study was to investigate the symptoms people with diabetes experience when having a myocardial infarction (MI), their illness narrative and how they present their symptoms to the health service. SETTING: Three London (UK) hospitals (coronary care units and medical wards). PARTICIPANTS: Patients were recruited with diabetes mellitus (DM) (types 1 and 2) with a clinical presentation of MI (ST elevated MI (STEMI), non-ST elevated MI (NSTEMI), acute MI unspecified and cardiac arrest)...
September 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/28916673/radiographic-and-clinical-brain-infarcts-in-cardiac-and-diagnostic-procedures-a-systematic-review-and-meta-analysis
#4
Sung-Min Cho, Abhishek Deshpande, Vinay Pasupuleti, Adrian V Hernandez, Ken Uchino
BACKGROUND AND PURPOSE: The incidence of periprocedural brain infarcts varies among cardiovascular procedures. In a systematic review, we compared the ratio of radiographic brain infarcts (RBI) to strokes and transient ischemic attacks across cardiac and vascular procedures. METHODS: We searched MEDLINE and 5 other databases for brain infarcts in aortic valve replacement, coronary artery bypass grafting, cardiac catheterization, and cerebral angiogram through September 2015...
September 15, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28895771/platelet-reactivity-adjusted-antiplatelet-therapy-in-patients-with-percutaneous-coronary-intervention-a-meta-analysis-of-randomized-controlled-trials
#5
Zhenhua Xing, Liang Tang, Zhaowei Zhu, Jiabing Huang, Xiaofan Peng, Xinqun Hu
Numerous number of evidences show that high on-treatment platelet reactivity is a well-known risk factor for adverse events in patients after percutaneous coronary intervention (PCI). Controversial situations still exist regarding the effectiveness of tailoring antiplatelet therapy according to platelet function monitoring. The PubMed, Embase, and Cochrane Central databases were searched for randomized trials comparing platelet reactivity-adjusted antiplatelet therapy with conventional antiplatelet therapy in patients undergoing PCI...
September 12, 2017: Platelets
https://www.readbyqxmd.com/read/28884653/smartphone-electrographic-monitoring-for-atrial-fibrillation-in-acute-ischemic-stroke-and-transient-ischemic-attack
#6
Hans T Tu, Ziyuan Chen, Corey Swift, Leonid Churilov, Ruibing Guo, Xinfeng Liu, Jim Jannes, Vincent Mok, Ben Freedman, Stephen M Davis, Bernard Yan
Rationale Paroxysmal atrial fibrillation is a common and preventable cause of devastating strokes. However, currently available monitoring methods, including Holter monitoring, cardiac telemetry and event loop recorders, have drawbacks that restrict their application in the general stroke population. AliveCor™ heart monitor, a novel device that embeds miniaturized electrocardiography (ECG) in a smartphone case coupled with an application to record and diagnose the ECG, has recently been shown to provide an accurate and sensitive single lead ECG diagnosis of atrial fibrillation...
October 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28882334/meta-analysis-of-safety-and-efficacy-of-uninterrupted-non-vitamin-k-antagonist-oral-anticoagulants-versus-vitamin-k-antagonists-for-catheter-ablation-of-atrial-fibrillation
#7
Akram Y Elgendy, Dhruv Mahtta, Amr F Barakat, Ahmed Abuzaid, Ahmad Mahmoud, Amgad Mentias, Ahmed N Mahmoud, Islam Y Elgendy
This meta-analysis sought to assess the safety and efficacy of uninterrupted non-vitamin K antagonist oral anticoagulants (NOACs) versus uninterrupted vitamin K antagonists in atrial fibrillation (AF) patients undergoing catheter ablation. Electronic databases were searched for randomized trials (RCTs) and observational studies that compared uninterrupted NOACs versus uninterrupted vitamin K antagonists in the catheter ablation of AF. Safety outcomes included major bleeding, total bleeding, minor bleeding, and cardiac tamponade...
August 8, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28882227/left-atrial-fibrosis-and-risk-of-cerebrovascular-and-cardiovascular-events-in-patients-with%C3%A2-atrial-fibrillation
#8
MULTICENTER STUDY
Jordan B King, Peyman N Azadani, Promporn Suksaranjit, Adam P Bress, Daniel M Witt, Frederick T Han, Mihail G Chelu, Michelle A Silver, Joseph Biskupiak, Brent D Wilson, Alan K Morris, Eugene G Kholmovski, Nassir Marrouche
BACKGROUND: Severity of left atrial (LA) fibrosis is a strong predictor of atrial fibrillation (AF) ablation success and has been associated with a history of stroke, hypertension, and heart failure (HF). However, it is unclear whether more severe LA fibrosis independently increases the risk of major adverse cardiovascular and cerebrovascular events (MACCE) among those with AF. OBJECTIVES: The goal of this study was to evaluate the occurrence and frequency of MACCE by strata of LA fibrosis severity in patients with AF...
September 12, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28877999/sudden-cardiac-arrest-while-eating-a-hot-dog-a-rare-presentation-of-brugada-syndrome-in-a-child
#9
Isa Ozyilmaz, Bedir Akyol, Yakup Ergul
Patients who are diagnosed with Brugada syndrome (BS) usually experience sudden cardiac arrest (SCA) and arrhythmia when they have a high fever, consume alcohol, and, more frequently, during their night sleep. In some rare cases, an SCA can be seen depending on a possible vagal stimulus, such as eating a large bite of food. We describe a 9-year-old patient who had a sudden cardiac attack while he was eating a large hot dog. After successful resuscitation, a suspicious ST elevation in V2 was seen in his electrocardiographic evaluation...
September 6, 2017: Pediatrics
https://www.readbyqxmd.com/read/28875984/multiscale-technologies-for-treatment-of-ischemic-cardiomyopathy
#10
REVIEW
Morteza Mahmoudi, Mikyung Yu, Vahid Serpooshan, Joseph C Wu, Robert Langer, Richard T Lee, Jeffrey M Karp, Omid C Farokhzad
The adult mammalian heart possesses only limited capacity for innate regeneration and the response to severe injury is dominated by the formation of scar tissue. Current therapy to replace damaged cardiac tissue is limited to cardiac transplantation and thus many patients suffer progressive decay in the heart's pumping capacity to the point of heart failure. Nanostructured systems have the potential to revolutionize both preventive and therapeutic approaches for treating cardiovascular disease. Here, we outline recent advancements in nanotechnology that could be exploited to overcome the major obstacles in the prevention of and therapy for heart disease...
September 6, 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28851729/assessment-of-remote-heart-rhythm-sampling-using-the-alivecor-heart-monitor-to-screen-for-atrial-fibrillation-the-rehearse-af-study
#11
Julian P J Halcox, Kathie Wareham, Antonia Cardew, Mark Gilmore, James P Barry, Ceri Phillips, Michael B Gravenor
Background -Asymptomatic atrial fibrillation (AF) is increasingly common in the aging population and implicated in many ischemic strokes. Earlier identification of AF with appropriate anticoagulation may decrease stroke morbidity and mortality. Methods -We conducted a randomized controlled trial of AF screening using an AliveCor Kardia monitor attached to a WiFi-enabled iPod to obtain ECGs (iECGs) in ambulatory patients. Patients ≥65 years of age with a CHADS-VASc score ≥2 free from AF were randomized to the iECG arm or routine care (RC)...
August 28, 2017: Circulation
https://www.readbyqxmd.com/read/28842725/-diagnosis-of-non-epileptic-paroxysmal-disorders-and-epileptic-seizures
#12
REVIEW
S Noachtar, B Güldiken
Non-epileptic paroxysmal disorders may clinically manifest in a similar way to epileptic seizures and have to be considered in the differential diagnosis of epilepsy. Syncope, non-epileptic psychogenic seizures, paroxysmal movement disorders, migraine, transient ischemic attacks and parasomnia constitute the major differential diagnoses. A meticulous history and a third party description are useful for the differential diagnosis. Neurological, psychiatric and cardiological examinations are required for the correct differential diagnosis...
August 25, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28838364/spontaneous-coronary-artery-dissection-clinical-outcomes-and-risk-of-recurrence
#13
Jacqueline Saw, Karin Humphries, Eve Aymong, Tara Sedlak, Roshan Prakash, Andrew Starovoytov, G B John Mancini
BACKGROUND: Spontaneous coronary artery dissection (SCAD) is underdiagnosed and an important cause of myocardial infarction (MI), especially in young women. Long-term cardiovascular outcomes, including recurrent SCAD, are inadequately reported. OBJECTIVES: This study sought to describe the acute and long-term cardiovascular outcomes and assess the predictors of recurrent SCAD. METHODS: Nonatherosclerotic SCAD patients were prospectively followed at Vancouver General Hospital systematically to ascertain baseline, predisposing and precipitating stressors, angiographic features, revascularization, use of medication, and in-hospital and long-term cardiovascular events...
August 29, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28838288/overexpression-of-drosophila-frataxin-triggers-cell-death-in-an-iron-dependent-manner
#14
Oliver Edenharter, Janik Clement, Stephan Schneuwly, Juan A Navarro
Friedreich ataxia (FRDA) is the most important autosomal recessive ataxia in the Caucasian population. FRDA patients display severe neurological and cardiac symptoms that reflect a strong cellular and axonal degeneration. FRDA is caused by a loss of function of the mitochondrial protein frataxin which impairs the biosynthesis of iron-sulfur clusters and in turn the catalytic activity of several enzymes in the Krebs cycle and the respiratory chain leading to a diminished energy production. Although FRDA is due to frataxin depletion, overexpression might also be very helpful to better understand cellular functions of frataxin...
August 24, 2017: Journal of Neurogenetics
https://www.readbyqxmd.com/read/28837549/use-of-outpatient-cardiac-rehabilitation-among-heart-attack-survivors-20-states-and-the-district-of-columbia-2013-and-four-states-2015
#15
Jing Fang, Carma Ayala, Cecily Luncheon, Matthew Ritchey, Fleetwood Loustalot
Heart disease is the leading cause of death in the United States (1). Each year, approximately 790,000 adults have a myocardial infarction (heart attack), including 210,000 that are recurrent heart attacks (2). Cardiac rehabilitation (rehab) includes exercise counseling and training, education for heart-healthy living, and counseling to reduce stress. Cardiac rehab provides patients with education regarding the causes of heart attacks and tools to initiate positive behavior change, and extends patients' medical management after a heart attack to prevent future negative sequelae (3)...
August 25, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28830707/endovascular-stent-grafting-for-ascending-aorta-diseases
#16
REVIEW
Nikolaos G Baikoussis, Constantine N Antonopoulos, Nikolaos A Papakonstantinou, Mihalis Argiriou, George Geroulakos
OBJECTIVE: Conventional open surgery encompassing cardiopulmonary bypass has been traditionally used for the treatment of ascending aorta diseases. However, more than one in five of these patients will be finally considered unfit for open repair. We conducted a systematic review and meta-analysis to investigate the role of thoracic endovascular aortic repair (TEVAR) for aortic diseases limited to the ascending aorta. METHODS: The current meta-analysis was conducted using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines...
August 19, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28811213/hemodynamic-characteristics-of-suspected-stroke-in-the-emergency-department
#17
Joseph B Miller, Richard M Nowak, Brian P Reed, Salvatore DiSomma, Prabath Nanayakkara, Michele Moyer, Scott Millis, Harish Kinni, Phillip Levy
BACKGROUND: Systemic hemodynamic characteristics of patients with suspected acute ischemic stroke are poorly described. The objective of this study was to identify baseline hemodynamic characteristics of emergency department (ED) patients with suspected acute stroke. METHODS: This was a planned analysis of the stroke cohort from a multicenter registry of hemodynamic profiling of ED patients. The registry prospectively collected non-invasive hemodynamic measurements of patients with suspicion for acute stroke within 12h of symptom onset...
August 8, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28810369/a-closer-look-at-the-relationships-between-panic-attacks-emergency-department-visits-and-non-cardiac-chest-pain
#18
Guillaume Foldes-Busque, Isabelle Denis, Julien Poitras, Richard P Fleet, Patrick Archambault, Clermont E Dionne
This study examined the prevalence of emergency department visits prompted by panic attacks in patients with non-cardiac chest pain. A validated structured telephone interview was used to assess panic attacks and their association with the emergency department consultation in 1327 emergency department patients with non-cardiac chest pain. Patients reported at least one panic attack in the past 6 months in 34.5 per cent (95% confidence interval: 32.0%-37.1%) of cases, and 77.1 per cent (95% confidence interval: 73...
January 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28804058/intravenous-enoxaparin-anticoagulation-in-percutaneous-left-atrial-cardiac-procedures
#19
Paul Guedeney, Nadjib Hammoudi, Guillaume Duthoit, Yan Yan, Johanne Silvain, Françoise Pousset, Richard Isnard, Alban Redheuil, Mathieu Kerneis, Jean-Philippe Collet, Gilles Montalescot
AIMS: Percutaneous transcatheter device closure of left atrial appendage (LAA), patent foramen ovale (PFO) and atrial septal defect (ASD) are usually performed with unfractionated heparin anticoagulation. We report a first experience using intravenous (IV) enoxaparin without anticoagulation monitoring in transcatheter structural heart interventions performed in the left atrium (LA). METHODS AND RESULTS: This retrospective, non-controlled study included all consecutive and unselected patients who underwent percutaneous LAA, PFO or ASD closure at a tertiary care center using IV enoxaparin anticoagulation...
August 15, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28794051/papillary-fibroelastoma-diagnosed-through-multimodality-cardiac-imaging-a-rare-tumour-in-an-uncommon-location-with-review-of-literature
#20
Senthil Anand, Nicole Sydow, Rajesh Janardhanan
We describe the case of a woman presenting with transient ischaemic attack, who was found to have a papillary fibroelastoma arising from the aortic wall, an extremely rare location. We describe the multimodality imaging techniques used in diagnosing this patient and review the most recent literature on evaluation and management of patients with cardiac papillary fibroelastomas.
August 8, 2017: BMJ Case Reports
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