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https://www.readbyqxmd.com/read/29792146/use-of-bipolar-radiofrequency-catheter-ablation-in-treatment-of-cardiac-arrhythmias
#1
Filip Soucek, Zdenek Starek
Background Arrhythmia management is a complex process involving both pharmacological and non-pharmacological approaches. Radiofrequency ablation is the pillar of non-pharmacological arrhythmia treatment. Unipolar ablation is considered to be the gold standard in the treatment of the majority of arrhythmias; however, its efficacy is limited to specific cases. In particular, the creation of deep or transmural lesions to eliminate intramurally originating arrhythmias remains inadequate. Bipolar ablation is proposed as an alternative to overcome unipolar ablation boundaries...
May 23, 2018: Current Cardiology Reviews
https://www.readbyqxmd.com/read/29789918/recent-experience-and-follow-up-after-surgical-closure-of-secundum-atrial-septal-defect-in-120-children
#2
Geoffroy de Beco, Natasha Mambour, Christophe Vô, Laetitia Vanhoutte, Stéphane Moniotte, Alain Poncelet, Thierry Sluysmans
While percutaneous catheter closure proves an effective treatment for secundum atrial septal defect (ASD2), some child patients require surgical closure. We assessed the risks associated with isolated surgical ASD2 closure by reviewing the outcomes of 120 children operated on between 1999 and 2011 (mean age 4.6 ± 3.9 years, mean weight 17 ± 12 kg). Direct sutures were performed in 4% and patch closures in 96%. The mean cardiopulmonary bypass duration was 38 ± 14 min, aortic cross-clamp time 19 ± 9 min, intensive care unit length of stay 1...
May 22, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29789917/comparison-of-clinical-profiles-in-patients-with-protein-losing-enteropathy-with-and-without-fontan-circulation
#3
Shin Ono, Hideo Ohuchi, Aya Miyazaki, Osamu Yamada
Protein-losing enteropathy (PLE) is a life-threatening complication in patients following the Fontan operation. However, PLE also develops in some patients with congenital heart disease (CHD) after biventricular repair (BVR). This study compared clinical profiles of PLE patients following the Fontan operation with those after BVR. We retrospectively reviewed clinical charts of postoperative CHD patients with PLE. The study population comprised 42 PLE patients (14BVR, 28Fontan). Postoperative follow-up period until onset was significantly shorter in the Fontan group than in the BVR group (14 ± 2 vs...
May 22, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29789334/x-ray-exposure-in-cardiac-electrophysiology-a-retrospective-analysis-in-8150-patients-over-7-years-of-activity-in-a-modern-large-volume-laboratory
#4
Michela Casella, Antonio Dello Russo, Eleonora Russo, Valentina Catto, Francesca Pizzamiglio, Martina Zucchetti, Benedetta Majocchi, Stefania Riva, Giulia Vettor, Maria Antonietta Dessanai, Gaetano Fassini, Massimo Moltrasio, Fabrizio Tundo, Carlo Vignati, Sergio Conti, Alice Bonomi, Corrado Carbucicchio, Luigi Di Biase, Andrea Natale, Claudio Tondo
BACKGROUND: Only a few studies have systematically evaluated fluoroscopy data of electrophysiological and device implantation procedures. Aims of this study were to quantify ionizing radiation exposure for electrophysiological/device implantation procedures in a large series of patients and to analyze the x-ray exposure trend over years and radiation exposure in patients undergoing atrial fibrillation ablation considering different technical aspects. METHODS AND RESULTS: We performed a retrospective analysis of all electrophysiological/device implantation procedures performed during the past 7 years in a modern, large-volume laboratory...
May 22, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29784681/use-of-intracardiac-echocardiography-in-interventional-cardiology-working-with-the-anatomy-rather-than-fighting-it
#5
REVIEW
Andres Enriquez, Luis C Saenz, Raphael Rosso, Frank E Silvestry, David Callans, Francis E Marchlinski, Fermin Garcia
The indications for catheter-based structural and electrophysiological procedures have recently expanded to more complex scenarios, in which an accurate definition of the variable individual cardiac anatomy is key to obtain optimal results. Intracardiac echocardiography (ICE) is a unique imaging modality able to provide high-resolution real-time visualization of cardiac structures, continuous monitoring of catheter location within the heart, and early recognition of procedural complications, such as pericardial effusion or thrombus formation...
May 22, 2018: Circulation
https://www.readbyqxmd.com/read/29784125/catheter-directed-thrombolysis-for-pulmonary-embolism-the-state-of-practice
#6
Xi Xue, Akhilesh K Sista
Acute pulmonary embolism (PE) is a major public health problem. It is the third most common cause of death in hospitalized patients. In the United States, there are up to 600,000 cases diagnosed per year with 100,000-180,000 acute PE-related deaths. Common risk factors include underlying genetic conditions, acquired conditions, and acquired hypercoagulable states. Acute PE increases the pulmonary vascular resistance and the load on the right ventricle (RV). Increased RV loading causes compensatory RV dilation, impaired contractility, tachycardia, and sympathetic activation...
June 2018: Techniques in Vascular and Interventional Radiology
https://www.readbyqxmd.com/read/29779974/administration-of-rotaglide%C3%A2-solution-for-treating-refractory-severe-radial-artery-spasm-a-case-report
#7
Vikram Raje, Sanah Christopher, Dennis A Hopkinson, Danielle A Kania, Ion S Jovin
Severe radial artery spasm is a complication of transradial cardiac catheterization. We describe a case of severe radial artery spasm causing catheter entrapment. The spasm was refractory and resistant to intra-arterial vasodilators, systemic vasodilators, and moderate sedation. Rotaglide™ (Boston Scientific, Marlborough, MA) solution via continuous infusion was delivered through the catheter and then the sheath, resolving the spasm and allowing the removal of the catheter and sheath without injury to the radial artery...
May 5, 2018: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29777140/different-responses-of-left-atrium-and-left-atrial-appendage-to-radiofrequency-catheter-ablation-of-atrial-fibrillation-a-follow-up-mri-study
#8
Yun Gi Kim, Jaemin Shim, Suk-Kyu Oh, Hee-Soon Park, Kwang-No Lee, Sung Ho Hwang, Jong-Il Choi, Young-Hoon Kim
Atrial fibrillation (AF) is known to cause adverse remodeling of left atrium (LA). Radiofrequency catheter ablation (RFCA) of AF is associated with decrease in LA volume. However, the impact of RFCA on left atrial appendage (LAA) volume and hemodynamic function is not fully understood. We analyzed 123 patients who underwent cardiac magnetic resonance imaging (MRI) evaluation before and after RFCA in Korea University Anam Hospital. LA and LAA volume were measured before and after RFCA based on cardiac MRI. Baseline LA volume was 99...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29770216/assessment-of-a-novel-cryoablation-device-for-the-endovascular-treatment-of-cardiac-tachyarrhythmias
#9
John M Baust, Anthony Robilotto, Peter Guerra, Kristi K Snyder, Robert G Van Buskirk, Marc Dubuc, John G Baust
Objectives: Cryoablation is an effective alternative treatment for cardiac arrhythmias offering shortened recovery and reduced side effects. As the use of cryoablation increases, the need for new devices and procedures has emerged. This has been driven by technological limitations including lengthy periods to generate a single lesion (3-5 min), uncertain transmurality, and differential efficacy. Furthermore, due to limited ablation capacity under high heat loads, cryo has had limited success in the treatment of ventricular arrhythmias...
2018: SAGE Open Medicine
https://www.readbyqxmd.com/read/29769516/staying-safe-from-radiation-exposure-in-cath-lab-a-review
#10
K Pasha, H R Khan, A A Sumon
A successful cardiac catheterization Laboratory radiation safety program must manage patient and staff safety by reducing exposure to ionizing radiation to a level that is as low as reasonably achievable (ALARA). The first step in radiation safety is to avoid unnecessary use of ionizing radiation by justification of exposure, one of the basic principles of radiation protection. All individuals involved in fluoroscopic imaging procedures should familiarize themselves to the measures to protect themselves from exposure to unsafe doses of ionizing radiation...
April 2018: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29761335/-biomarkers-and-atrial-fibrillation-prediction-of-recurrences-and-thromboembolic-events-after-rhythm-control-management
#11
REVIEW
Jelena Kornej, Katja Schumacher, Daniela Husser, Gerhard Hindricks
Atrial fibrillation (AF) is the most common arrhythmia in clinical praxis and is associated with an increased risk for cardio- and cerebrovascular complications leading to an increased mortality. Catheter ablation represents one of the most important and efficient therapy strategies in AF patients. Nevertheless, the high incidence of arrhythmia recurrences after catheter ablation leads to repeated procedures and higher treatment costs. Recently, several scores had been developed to predict rhythm outcomes after catheter ablation...
May 14, 2018: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/29759775/real-time-x-mri-guided-left-ventricular-lead-implantation-for-targeted-delivery-of-cardiac-resynchronization-therapy
#12
Jonathan M Behar, Peter Mountney, Daniel Toth, Sabrina Reiml, Maria Panayiotou, Alexander Brost, Bernhard Fahn, Rashed Karim, Simon Claridge, Tom Jackson, Ben Sieniewicz, Nik Patel, Mark O'Neill, Reza Razavi, Kawal Rhode, Christopher Aldo Rinaldi
OBJECTIVES: This study sought to test the feasibility of a purpose-built, integrated software platform to process, analyze, and overlay cardiac magnetic resonance (CMR) data in real time within a combined cardiac catheter laboratory and magnetic resonance imaging scanner suite (X-MRI) to guide left ventricular (LV) lead implantation. BACKGROUND: Suboptimal LV lead position is a major determinant of poor cardiac resynchronization therapy (CRT) response, and the optimal site is highly patient specific...
August 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759620/boldly-going-where-few-have-gone-before-the-voyages-of-cardiac-catheter-ablation
#13
EDITORIAL
Mina K Chung, Arun R Mahankali Sridhar
No abstract text is available yet for this article.
November 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759619/catheter-ablation-for-cardiac-arrhythmias-utilization-and-in-hospital-complications-2000-to-2013
#14
Seyed Mohammadreza Hosseini, Guy Rozen, Ahmed Saleh, Jeena Vaid, Yitschak Biton, Kasra Moazzami, E Kevin Heist, Moussa C Mansour, M Ihsan Kaadan, Mark Vangel, Jeremy N Ruskin
OBJECTIVES: This study sought to investigate the utilization of and in-hospital complications in patients undergoing catheter ablation in the United States from 2000 to 2013 by using the National Inpatient Sample and Nationwide Inpatient Sample. BACKGROUND: Catheter ablation has become a mainstay in the treatment of a wide range of cardiac arrhythmias. METHODS: This study identified patients 18 years of age and older who underwent inpatient catheter ablation from 2000 to 2013 and had 1 primary diagnosis of any of the following arrhythmias: atrial fibrillation, atrial flutter, supraventricular tachycardia, or ventricular tachycardia...
November 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759495/in-vitro-validation-of-the-lesion-size-index-to-predict-lesion-width-and-depth-after-irrigated-radiofrequency-ablation-in-a-porcine-model
#15
Vittorio Calzolari, Luca De Mattia, Stefano Indiani, Martino Crosato, Alberto Furlanetto, Claudia Licciardello, Paolo Antonio Maria Squasi, Zoran Olivari
OBJECTIVES: In an in vitro model, the authors tested the hypotheses that: 1) lesion dimensions correlate with lesion size index (LSI); and 2) LSI could predict lesion dimensions better than power, contact force (CF), and force-time integral (FTI). BACKGROUND: When performing radiofrequency (RF) catheter ablation for cardiac arrhythmias, reliable predictors of lesion quality are lacking. The LSI is a multiparametric index incorporating time, power, CF, and impedance recorded during ablation...
October 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29758093/effects-of-human-electro-muscular-incapacitation-hemi-devices-on-cardiovascular-changes-in-anesthetized-swine-as-measured-by-transesophageal-echocardiography-tee
#16
Jacob R Werner, W Bosseau Murray, Mary J Kennett, David M Jenkins, Edward Liszka, Edward L Hughes
The abundance of, and reliance upon, human electro-muscular incapacitation (HEMI) devices, especially in law enforcement, has generated scrutiny and examination of these technologies. The purpose of this study was to examine cardiovascular effects resulting from typical (5 sec) and longer activation (20 sec) HEMI applications studying myocardial function and peripheral vascular system using a combination of invasive cardiovascular catheters and transesophageal echocardiography (TEE). Six healthy swine (Sus scrofa) 3-5 months in age and weighing between 60 and 86 kg were anesthetized and exposed to the TASER Model X26 waveform while transesophageal echocardiography was performed...
May 14, 2018: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29756460/inhaled-fasudil-lacks-pulmonary-selectivity-in-thromboxane-induced-acute-pulmonary-hypertension-in-newborn-lambs
#17
Shawn F L Hanson, Michael H Terry, Dafne T Moretta, Gordon G Power, Sean M Wilson, Farzana Alam, Fakhrul Ahsan, Arlin B Blood, Paresh C Giri
INTRODUCTION: Pulmonary hypertension (PH) is a potentially deadly disease for infants and adults with few existing medical interventions and no cure. In PH, increased blood pressure in the pulmonary artery eventually leads to heart failure. Fasudil, an antagonist of Rho-kinase, causes vasodilation leading to decreased systemic artery pressure and pulmonary artery pressure (PAP). This study compared the effects of fasudil administered as either an intravenous infusion or inhaled aerosol in newborn lambs...
January 1, 2018: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29754661/catheter-ablation-versus-antiarrhythmic-drug-therapy-for-atrial-fibrillation-cabana-trial-study-rationale-and-design
#18
Douglas L Packer, Daniel B Mark, Richard A Robb, Kristi H Monahan, Tristram D Bahnson, Kathleen Moretz, Jeanne E Poole, Alice Mascette, Yves Rosenberg, Neal Jeffries, Hussein R Al-Khalidi, Kerry L Lee
The Catheter Ablation Versus Anti-arrhythmic Drug Therapy for Atrial Fibrillation (CABANA,NCT00911508)(1) trial is testing the hypothesis that the treatment strategy of percutaneous left atrial catheter ablation for the purpose of eliminating atrial fibrillation (AF) is superior to current state-of-the-art pharmacologic therapy. This international 140-center clinical trial was designed to randomize 2200 patients to a strategy of catheter ablation versus state-of-the-art rate or rhythm control drug therapy. Inclusion criteria include: 1) age> 65, or ≤65 with≥ 1 risk factor for stroke, 2) documented AF warranting treatment, and 3) eligibility for both catheter ablation and≥ 2 anti-arrhythmic or≥ 2 rate control drugs...
May 2018: American Heart Journal
https://www.readbyqxmd.com/read/29753817/arch-augmentation-via-median-sternotomy-for-coarctation-of-aorta-with-proximal-arch-hypoplasia
#19
W Hampton Gray, Winfield J Wells, Vaughn A Starnes, S Ram Kumar
BACKGROUND: Coarctation of the aorta can be associated with hypoplasia of the proximal transverse aortic arch. One approach to manage this condition is via left thoracotomy and extended end-to-end anastomosis with the expectation that the proximal arch will grow over time. Our preferred approach is to augment the aorta via midline sternotomy. We hypothesized that this approach is safe, durable and allows reliable growth of the aorta. METHODS: We identified the records of patients with biventricular anatomy who had coarctation of the aorta, hypoplasia of the proximal transverse arch, and no other cardiac lesion that would mandate cardiopulmonary bypass use and midline sternotomy...
May 10, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29753550/rescue-procedure-for-an-electrical-storm-using-robotic-non-invasive-cardiac-radio-ablation
#20
Raphaël Jumeau, Mahmut Ozsahin, Juerg Schwitter, Véronique Vallet, Frédéric Duclos, Michele Zeverino, Raphaël Moeckli, Etienne Pruvot, Jean Bourhis
Stereotactic body radiotherapy (SBRT) is an emerging non-invasive treatment in the management of ventricular tachycardia (VT). We report here an intensive care patient suffering from an electrical storm due to incessant VT, unresponsive to catheter ablation and anti-arrhythmic drugs, showing an immediate and durable response to electrophysiology-guided cardiac SBRT.
May 9, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
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