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https://www.readbyqxmd.com/read/28809683/low-rank-latent-pattern-approximation-with-applications-to-robust-image-classification
#1
Shuo Chen, Jian Yang, Lei Luo, Yang Wei, Kaihua Zhang, Ying Tai
This paper develops a novel method to address the structural noise in samples for image classification. Recently, regression related classification methods have shown promising results when facing the pixel-wise noise. However, they become weak in coping with the structural noise due to ignoring of relationships between pixels of noise image. Meanwhile, most of them need to implement the iterative process for computing representation coefficients, which leads to the high time consumption. To overcome these problems, we exploit a latent pattern model called Low-Rank Latent Pattern Approximation (LLPA) to reconstruct the test image having structural noise...
August 10, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28803521/evaluation-of-direct-acting-oral-anticoagulant-use-in-patients-with-cancer
#2
Daphne O Davis, Kyle A Davis
PURPOSE: To evaluate the use of direct-acting oral anticoagulants in patients with cancer and venous thromboembolism (VTE) treated at Ochsner Medical Center with the intent of determining the efficacy and safety of these agents. METHODS: Patients were identified by a retrospective data extraction of patients treated at Ochsner Medical Center from January 1, 2013, through December 31, 2015. Patients were included for review if they were ≥18 years of age, with a confirmed diagnosis of VTE and active or history of cancer, and if they received dabigatran, apixaban, rivaroxaban, or edoxaban for at least 6 months...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28764236/clinical-significance-of-the-forsaken-avr-in-evaluation-of-tachyarrhythmias-a-reminder
#3
Dharmendra Jain, Pradeep Nigam, Manoj Indurkar, Riyas Chiramkara
INTRODUCTION: Mechanism of a regular, monomorphic Wide QRS Complex Tachycardia (WCT) is an important diagnostic challenge in day to day practice for the clinicians and affects further management and prognosis. Many of the WCT and Narrow Complex Tachycardia (NCT) produce certain characteristic changes in lead aVR by which we can differentiate between them. AIM: The present study was aimed to evaluate tachyarrhythmias in relation to lead aVR and to highlight the clinical significance of lead aVR, "The Neglected Lead"...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28751003/follow-up-of-children-or-teenagers-with-paroxysmal-supraventricular-tachycardia-but-without-pre-excitation-syndrome
#4
Béatrice Brembilla-Perrot, Arnaud Olivier, Thibaut Villemin, Vladimir Manenti, Julie Vincent, Anne Moulin-Zinsch, Jean-Paul Lethor, Anne Tisserant, François Marçon, Sellal Jean Marc
BACKGROUND: Paroxysmal supraventricular tachycardia (SVT) is considered benign in children if the electrocardiogram in sinus rhythm is normal, but causes anxiety in parents, children and doctors. AIMS: To report on the clinical and electrophysiological data from children with SVT, their follow-up and management. METHODS: Overall, 188 children/teenagers (mean age 15±2.8 years) with a normal electrocardiogram in sinus rhythm were studied for SVT, and followed for 2...
July 24, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28726656/anxiety-levels-in-patients-with-paroxy-smal-supraventricular-tachycardia-in-relation-with-the-patient-demographics-type-of-supraventricular-tachycardia-and-their-personality-type
#5
G Papiashvili, N Tabagari-Bregvadze, J Brugada
The aim of the study was to evaluate the incidence of different personality types and state and trait anxiety levels in patients with paroxysmal supraventricular tachycardia and their association with patients age, gender and the mechanism of the paroxysmal SVT. 62 patients with documented paroxysmal supraventricular tachycardia who underwent endocardial eletrophysiological study and catheter ablation of the paroxysmal SVT were included in the study. The patients were asked to fill out the Myers-Brigss Type Indicator and State-Trait Anxiety Inventory questionnaires and the results were analyzed and correlated with the arrhythmia mechanism determined during electrophysiological study and catheter ablation procedure, and the patients' demographics (age and gender)...
June 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28720014/the-impact-of-intrauterine-treatment-on-fetal-tachycardia-a-nationwide-survey-in-japan
#6
Keiko Ueda, Yasuki Maeno, Takekazu Miyoshi, Noboru Inamura, Motoyoshi Kawataki, Mio Taketazu, Masaki Nii, Akiko Hagiwara, Hitoshi Horigome, Makio Shozu, Wataru Shimizu, Satoshi Yasukochi, Hitoshi Yoda, Isao Shiraishi, Heima Sakaguchi, Shinji Katsuragi, Haruhiko Sago, Tomoaki Ikeda
OBJECTIVES: To investigate the clinical course of fetal tachycardia and analyze the impact of intrauterine treatment on the postnatal treatment and patient outcomes. STUDY DESIGN: This was a retrospective review of cases of fetal tachycardia that occurred from 2004 to 2006. Data were collected from questionnaires that were sent to all 750 secondary or tertiary perinatal care centers in Japan. RESULTS: Eighty-two cases (14 with fetal hydrops) were analyzed (supraventricular tachycardia [SVT], n = 52; atrial flutter [AFL], n = 23; and ventricular tachycardia, n = 7)...
July 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28716870/necrotising-enterocolitis-after-supraventricular-tachycardia-an-unusual-precursor-to-a-common-problem
#7
Jennie Saini, Aideen Moore, Kate Hodgson
Supraventricular tachycardia (SVT) is the most common neonatal arrhythmia. Necrotising enterocolitis (NEC) is a disease with multifactorial aetiology, most common in preterm infants. There are three previous case reports in the literature of NEC following neonatal SVT. We present two cases of late preterm infants with NEC, characterised by pneumatosis on abdominal X-ray and ultrasound, following recurrent SVT without haemodynamic instability. The infants were successfully treated with antibiotic therapy and bowel rest...
July 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28716699/bridge-to-success-a-better-method-of-cryoablation-for-atrioventricular-nodal-reentrant-tachycardia-in-children
#8
Charitha D Reddy, Scott R Ceresnak, Kara S Motonaga, Kishor Avasarala, Christine Feller, Anthony Trela, Debra Hanisch, Anne M Dubin
BACKGROUND: Cryoablation for AVNRT is associated with higher recurrence rates than radiofrequency ablation(RF). Junctional tachycardia marks procedural success with RF, but no such indicator exists for cryoablation. OBJECTIVE: To determine the impact of voltage mapping plus longer ablation lesions on mid-term success of cryoablation for children with AVNRT. METHODS: A single-center retrospective analysis was performed of pediatric patients with AVNRT who underwent cryoablation from 2011-2015...
July 14, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28673473/clinical-manifestations-and-imaging-tools-in-the-diagnosis-of-splanchnic-and-cerebral-vein-thromboses
#9
Nicoletta Riva, Walter Ageno
Splanchnic vein thrombosis (SVT) and cerebral vein thrombosis (CVT) are uncommon manifestation of venous thromboembolism (VTE), occurring less frequently than deep vein thrombosis of the lower extremities and pulmonary embolism. SVT encompasses portal vein thrombosis, mesenteric vein thrombosis, splenic vein thrombosis and the Budd-Chiari syndrome. It is therefore a heterogeneous disease, with differences in clinical manifestations according to the site of thrombosis. CVT includes thrombosis of the cortical or deep cerebral veins and thrombosis of the major dural venous sinuses...
June 27, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28664446/postnatal-outcomes-of-fetal-supraventricular-tachycardia-a-multicenter-study
#10
Kevin A Hinkle, Shabnam Peyvandi, Corey Stiver, Stacy A S Killen, Hsin Yi Weng, Susan P Etheridge, Michael D Puchalski
Supraventricular tachycardia (SVT), the most common fetal tachycardia, can be difficult to manage in utero. We sought to better understand predictors of the postnatal clinical course in neonates who experienced fetal SVT. We hypothesized that fetuses with hydrops or those with refractory SVT (failure of first-line SVT therapy) are more likely to experience postnatal SVT. This was a retrospective multicenter cohort study of subjects diagnosed with fetal SVT between 2006 and 2014. Fetuses with structural heart disease were excluded...
June 29, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28656248/nestin-positive-microvessel-density-is-an-independent-prognostic-factor-in-breast-cancer
#11
Aleksandra Nowak, Jedrzej Grzegrzolka, Maria Paprocka, Aleksandra Piotrowska, Janusz Rys, Rafal Matkowski, Piotr Dziegiel
The process of angiogenesis based on new vessel formation within the tumour area plays a significant role in the progression of breast cancer. Nestin is an intermediate filament protein and participates in the cytoskeleton organization. Nestin expression in the endothelium of blood vessels is mainly limited to newly forming vessels, thus being a more specific marker of angiogenesis than the commonly used vascular antigens. The aim of this study was to determine the prognostic value of nestin-positive microvessel density (Nes+MVD) in breast cancer patients and to confirm that nestin expression is related to newly forming tumour vessels...
June 26, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28631514/pharmacokinetics-and-dosing-requirements-of-digoxin-in-pregnant-women-treated-for-fetal-supraventricular-tachycardia
#12
Ana Martin-Suarez, J German Sanchez-Hernandez, Fabiola Medina-Barajas, J Samuel Pérez-Blanco, Jose M Lanao, Luisa Garcia-Cuenllas Alvarez, M Victoria Calvo
BACKGROUND: The objective of this study was to characterize the pharmacokinetics (PK) of digoxin in pregnant women and its potential implications for drug dosing. METHODS: Serum digoxin concentrations (SDCs) obtained in pregnant women treated for fetal supraventricular tachycardia (SVT) was retrospectively collected. PK analysis was comparatively performed using a two-stage approach (PKS™) and a Population PK approach (NONMEM™). As clinical outcome the fetal heart rate was recorded...
August 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28623995/rationale-design-and-methodology-of-the-observational-insights-svt-study-on-the-current-state-of-care-and-outcomes-of-patients-with-superficial-vein-thrombosis
#13
Rupert Bauersachs, Horst Eberhard Gerlach, Andreas Heinken, Ulrich Hoffmann, Florian Langer, Thomas Noppeney, David Pittrow, Jens Klotsche, Eberhard Rabe
OBJECTIVE: Superficial vein thrombosis (SVT) is a common disease in clinical practice. In terms of pathophysiology and outcomes, the condition is related to venous thromboembolism, bearing a potential for severe thromboembolic complications if it is not treated adequately. A wide range of treatment approaches (including oral and injectable anticoagulants, pain medication, nondrug therapy including compression therapy, and no treatment at all) are applied in clinical practice, but there is sparse information about selection of patients for therapies, current treatment pathways, and drug use as well as outcomes...
July 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28617528/influence-of-ablation-therapy-on-the-quality-of-life-in-children-with-supraventricular-tachycardia
#14
E Szafran, A Baszko, A Bukowska-Posadzy, A Łaźniak, T Moszura, A Siwińska, J Walkowiak, W Bobkowski
OBJECTIVE: Numerous restrictions, which are imposed on children with arrhythmia, influence their quality of life (QoL) and may have a negative impact on their further development. Ablation is a highly successful treatment leaving patients free from arrhythmia and other related limitations. There are very few studies evaluating the influence of ablation on the QoL in children with arrhythmia, based on small groups of patients. The aim of this study was to evaluate the impact of ablation on the QoL in children with supraventricular tachycardia (SVT)...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28615428/increased-rate-of-venous-thrombosis-may-be-associated-with-inpatient-dihydroergotamine-treatment
#15
COMPARATIVE STUDY
Amy R Tso, Irene R Patniyot, Amy A Gelfand, Peter J Goadsby
OBJECTIVE: To review whether the incidence of catheter-associated venous thromboses was higher in patients receiving IV dihydroergotamine compared to lidocaine. METHODS: We retrospectively reviewed all admissions at the University of California, San Francisco Headache Center from February 25, 2008, through October 31, 2014, for age, sex, diagnosis, aura, treatment dose, type of IV line used, days with line, superficial (SVT) or deep venous thrombosis (DVT), and pulmonary embolism (PE)...
July 18, 2017: Neurology
https://www.readbyqxmd.com/read/28600671/health-care-utilization-among-adenosine-sensitive-supraventricular-tachycardia-patients-presenting-to-the-emergency-department
#16
Thomas A Dewland, Adam Oesterle, John Stein, Gregory M Marcus
PURPOSE: Although adenosine-sensitive supraventricular tachycardia (SVT) is generally curable, it remains an important cause of healthcare utilization. We sought to determine predictors of health care utilization among SVT patients presenting to the emergency department (ED). METHODS: We studied consecutive patients evaluated in an urban, academic ED for adenosine-sensitive SVT. The primary study outcomes were (1) ambulance transportation to the index ED visit, (2) hospital admission from the index ED encounter, and (3) recurrent SVT-associated ED encounters...
August 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28600022/isolated-great-saphenous-vein-thrombus-is-associated-with-high-rates-of-complications-regardless-of-management
#17
Elizabeth Kudlaty, Babatunde Oriowo, J Yang Michael, R Go Michael, Bhagwan Satiani
OBJECTIVES: Isolated great saphenous vein thrombus (GSVT) is generally regarded as benign and treatment is heterogeneous. Complications include thrombus propagation, new saphenous vein thrombosis, deep vein thrombosis (DVT), pulmonary embolus (PE), and symptom persistence. Our objective was to review our institution's experience with isolated GSVT to understand its natural history, the frequency of complications, real world treatment, and the impact of proximity to the saphenofemoral junction (SFJ), on the rate of complications...
June 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28595345/supraventricular-arrhythmias-in-patients-with-arrhythmogenic-right-ventricular-dysplasia-cardiomyopathy-associate-with-long-term-outcome-after-catheter-ablation-of-ventricular-tachycardias
#18
Andreas Müssigbrodt, Helge Knopp, Elena Efimova, Alexander Weber, Livio Bertagnolli, Sebastian Hilbert, Jedrzej Kosiuk, Borislav Dinov, Kerstin Bode, Simon Kircher, Nikolaos Dagres, Sergio Richter, Philipp Sommer, Daniela Husser, Andreas Bollmann, Gerhard Hindricks, Arash Arya
Aims: This study aimed to assess the impact of supraventricular tachycardia (SVT) on long-term results of radiofrequency catheter ablation therapy of ventricular tachycardia (VT) in a large cohort of patients with arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C). Methods and results: Supraventricular tachycardia occurrence has been studied in patients from our ARVD/C registry (70 patients, 48 male, age 53.2 ± 14.0, 45 patients (64.3%) with previous VT ablation)...
June 7, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28593735/new-insights-into-the-clinical-signs-of-supraventricular-tachycardia-the-sign-of-lace-tying
#19
Dominique Blommaert, Fabien Dormal, Olivier Deceuninck, Olivier Xhaet, Elisabeth Ballant, Luc De Roy
BACKGROUND: Supraventricular tachycardias (SVT) are a common arrhythmia therefore an accurate diagnosis is of clinical importance. Although an ECG performed during tachycardia greatly aids diagnosis, patient history and predisposing factors also improve diagnostic accuracy. METHODS: This prospective study included 100 consecutive patients undergoing electrophysiological study for SVT with the aim to reassess their clinical characteristics and describe frequent predisposing factors, such as the "sign of lace-tying" that to our knowledge has not previously been reported...
June 8, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28573445/cardiac-arrhythmias-in-patients-with-exacerbation-of-copd
#20
Tomasz Rusinowicz, Tadeusz M Zielonka, Katarzyna Zycinska
Supraventricular and ventricular arrhythmias are common among patients with chronic obstructive pulmonary disease (COPD). Multiple factors can contribute to the development of arrhythmias in patients with exacerbation of the disease, including: respiratory or heart failure, hypertension, coronary disease and also medications. In the present study we seek to determine the prevalence of cardiac arrhythmias and risk factors among patients with exacerbation of COPD. The study was a retrospective evaluation of 2753 24-h Holter recordings of patients hospitalized in 2004-2016...
June 2, 2017: Advances in Experimental Medicine and Biology
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