Journal Articles
Journal Articles: Catheter-based pulmonary vein isolation is an effective treatment for paroxysmal atrial fibrillation. Pulsed field ablation, which delivers microsecond high-voltage electrical fields, may limit damage to tissues outside the myocardium. The efficacy and safety of pulsed field ablation as compared with conventional thermal ablation is not known.
Care Pathways/CDS: Atrial fibrillation (AF) is the most common cardiac arrhythmia and its prevalence is continuously increasing in the United States, leading to a progressive rise in the number of disease-related emergency department (ED) visits and hospitalizations. Although optimal long-term outpatient management for AF is well defined, the guidelines for optimal ED management of acute AF episodes is less clear. Studies have demonstrated that discharging patients with AF from the ED after acute stabilization is both safe and cost effective; however, the majority of these patients in the United States and in our institution are admitted to the hospital. To improve care of these patients, we established a multidisciplinary collaboration to develop an evidence-based systematic approach for the treatment and management of AF in the ED, that led to the creation of the University of California—Cardioversion, Anticoagulation, Rate Control, Expedited Follow-up/Education Atrial Fibrillation Pathway. Our pathway focuses on the acute stabilization of AF, adherence to best practices for anticoagulation, and reduction in unnecessary admissions through discharge from the ED with expedited outpatient follow-up whenever safe. A novel aspect of our pathway is that it is primarily driven by the ED physicians, while other published protocols primarily involve consulting cardiologists to guide management in the ED. Our protocol is very pertinent considering the current trend toward increased AF prevalence in the United States, coupled with a need for widespread implementation of strategies aimed at improving management of these patients while safely reducing hospital admissions and the economic burden of AF.
Journal Articles: In this study the authors hypothesized that “Lean management” within a dedicated ablation protocol could standardize the pulmonary vein isolation (PVI) procedure and improve quality.
Journal Articles: OBJECTIVES: This study sought to assess whether an atrial fibrillation (AF)–specific clinic is associated with improved adherence to American College of Cardiology (ACC)/American Heart Association (AHA) clinical performance and quality measures for adults with AF or atrial flutter; BACKGROUND: There are significant gaps in care of patients with AF, including underprescription of anticoagulation and treatment of AF risk factors. An AF specialized clinic was developed to reduce admissions for AF but may also be associated with improved quality of care.; METHODS: This retrospective study compared adherence to ACC/AHA measures for patients who presented to the emergency department for AF between those discharged to a typical outpatient appointment and those discharged to a specialized AF transitions clinic run by an advanced practice provider and supervised by a cardiologist. Screening and treatment for common AF risk factors was also assessed; RESULTS: The study enrolled 78 patients into the control group and 160 patients into the intervention group. Patients referred to the specialized clinic were more likely to have stroke risk assessed and documented (99% vs. 26%; p < 0.01); be prescribed appropriate anticoagulation (97% vs. 88%; p ¼ 0.03); and be screened for comorbidities such as tobacco use (100% vs. 14%; p < 0.01), alcohol use (92% vs. 60%; p < 0.01), and obstructive sleep apnea (90% vs. 13%; p < 0.01) and less likely to be prescribed an inappropriate combination of anticoagulant and antiplatelet medications (1% vs. 9%; p < 0.01).; CONCLUSIONS: An AF specialized clinic was associated with improved adherence to ACC/AHA clinical performance and quality measures for adult patients with AF. (J Am Coll Cardiol EP 2020;6:45–52) © 2020 by the American College of Cardiology Foundation.
Journal Articles: Original research article published in Heart Rhythm 02, outlining a study from the University of Utah that measured the components of direct and indirect costs for routine AF ablation procedures, the variability of those costs, and the main factors driving ablation cost variability.
Improving Electrophysiology Lab Efficiency: Collaboration With Anesthesiology is Well Worth the Time
Journal Articles: Many of the efforts to improve laboratory efficiency require close collaboration with our colleagues in anesthesia. Osorio et al1 outlined a standardized anesthetic protocol that was designed with the intention of improving effectiveness of lesion formation during AF ablation while also improving efficiency and ensuring patient safety.
Journal Articles: Article from Heart Rhythm that explains the process and methods for mapping and ablating the ligament of Marshall. Includes graphics, implications, and when to ablate.
Journal Articles: Aim of study is to report the feasibility and safety of AF ablation in an ambulatory setting (Alaska Heart and Vascular Institute). Metrics include procedural complications, postoperative utilization of hospital services, and emergency room utilization.
Journal Articles: Catheter ablation of atrial fibrillation has evolved enormously thanks to rapid improvement of modern mapping technologies, progress in catheter development and current possibilities for reduction of radiation exposure. Pulmonary vein isolation is thereby the cornerstone in this interventional treatment. Increased precision of catheter localization by modern three-dimensional mapping systems, faster and better processing of local electrograms and their immediate color-based visualization make it possible to treat even challenging arrhythmias very effectively. The commonly used three-dimensional mapping systems CARTO 3 (Biosense Webster, Irvine, Ca.) and Ensite Precision (St. Jude Medical, St. Paul, Min) differ in construction and principles of the underlying mapping technology. In this review article, we aim to emphasize the most important aspects of possibilities that make both systems so valuable for interventional treatment of atrial fibrillation. We present a modern workflow, that unites three-dimensional LA mapping with collecting relevant local information, image integration for refining the map and beneficial use of contact force based ablation approach.