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Real-Time 3-Dimensional Transesophageal Echocardiography During Left Atrial Radiofrequency Catheter Ablation for Atrial Fibrillation

2008; Lippincott Williams & Wilkins; Volume: 1; Issue: 1 Linguagem: Inglês

10.1161/circimaging.107.763128

1942-0080

G. Burkhard Mackensen, Donald D. Hegland, Danny Rivera, David B. Adams, Tristram D. Bahnson,

Cardiac pacing and defibrillation studies

HomeCirculation: Cardiovascular ImagingVol. 1, No. 1Real-Time 3-Dimensional Transesophageal Echocardiography During Left Atrial Radiofrequency Catheter Ablation for Atrial Fibrillation Free AccessResearch ArticlePDF/EPUBAboutView PDFView EPUBSections ToolsAdd to favoritesDownload citationsTrack citationsPermissionsDownload Articles + Supplements ShareShare onFacebookTwitterLinked InMendeleyReddit Jump toSupplementary MaterialsFree AccessResearch ArticlePDF/EPUBReal-Time 3-Dimensional Transesophageal Echocardiography During Left Atrial Radiofrequency Catheter Ablation for Atrial Fibrillation G. Burkhard Mackensen, MD, PhD, Donald Hegland, MD, Danny Rivera, RCS, David B. Adams, RCS, RDCS and Tristram D. Bahnson, MD G. Burkhard MackensenG. Burkhard Mackensen From the Division of Cardiothoracic Anesthesia and Critical Care Medicine, Department of Anesthesiology (G.B.M.), and the Division of Cardiology, Department of Medicine (D.H., D.R., D.B.A., T.D.B.), Duke University Medical Center, Durham, NC. , Donald HeglandDonald Hegland From the Division of Cardiothoracic Anesthesia and Critical Care Medicine, Department of Anesthesiology (G.B.M.), and the Division of Cardiology, Department of Medicine (D.H., D.R., D.B.A., T.D.B.), Duke University Medical Center, Durham, NC. , Danny RiveraDanny Rivera From the Division of Cardiothoracic Anesthesia and Critical Care Medicine, Department of Anesthesiology (G.B.M.), and the Division of Cardiology, Department of Medicine (D.H., D.R., D.B.A., T.D.B.), Duke University Medical Center, Durham, NC. , David B. AdamsDavid B. Adams From the Division of Cardiothoracic Anesthesia and Critical Care Medicine, Department of Anesthesiology (G.B.M.), and the Division of Cardiology, Department of Medicine (D.H., D.R., D.B.A., T.D.B.), Duke University Medical Center, Durham, NC. and Tristram D. BahnsonTristram D. Bahnson From the Division of Cardiothoracic Anesthesia and Critical Care Medicine, Department of Anesthesiology (G.B.M.), and the Division of Cardiology, Department of Medicine (D.H., D.R., D.B.A., T.D.B.), Duke University Medical Center, Durham, NC. Originally published1 Jul 2008https://doi.org/10.1161/CIRCIMAGING.107.763128Circulation: Cardiovascular Imaging. 2008;1:85–86Left atrial radiofrequency catheter ablation has been recognized as an important treatment option for drug-refractory symptomatic atrial fibrillation.1 Recent consensus on technique favors catheter ablation directed to the left atrium near the pulmonary vein (PV) ostium to achieve PV isolation.2 However, ablation in the region of the ligament of Marshall (LOM) to achieve electrical isolation of the left PVs can be difficult because of variable catheter stability. The superior extent of the LOM protrudes into the body of the left atrium between the anterior region of the left PV antrum and the left atrial appendage (Figure 1A). Inadvertent misdirection of ablative lesions anterior to the LOM in the region of the left atrial appendage increases the risk of cardiac perforation and does not contribute to successful PV isolation, and misdirection of ablative lesions posteriorly into the left PV or posterior left PV antrum can result in PV stenosis or fatal esophageal injury,2 respectively. Thus, circumferential isolation of the left PVs via precise delivery of ablative lesions outside the PV ostium, including the region of the LOM ridge, would be expected to enhance procedural safety and efficacy.3 More specifically, enhanced imaging technologies like 3-dimensional (3D) echocardiography, if able to image the ablation catheter and endocardium in real time, would be expected to minimize procedural complications such as PV stenosis, esophageal injury, and cardiac perforation. Although these complications are rare, occurring at rates <1% when contemporary techniques are used,1 they can be serious or fatal. Download figureDownload PowerPointFigure 1. A, Two-dimensional TEE. This midesophageal mitral commissural view of the left atrium, LOM, left superior PV, left atrial appendage, and mitral valve demonstrates the ablation catheter tip in the left atrium. B, Intracardiac echocardiography. This 2-dimensional view demonstrates the transseptal sheath and the ablation catheter within the left atrium near the ostium of the left inferior PV. CATH indicates ablation catheter; LSPV, left superior PV; LAA, left atrial appendage; MV, mitral valve; LA, left atrium; RA, right atrium; and LIPV, left inferior PV.Intracardiac echocardiography and advanced mapping systems have been used to guide ablation lesion delivery in this and other regions.1 Electroanatomic mapping systems in particular can display a non–real-time 3D rendering of the left atrial endocardial surface1; however, accurate representation of the region of the LOM can be difficult to achieve. We report here on the use of real-time 3D transesophageal echocardiography (RT 3D TEE) to image catheter tip placement and tissue contact to guide left atrial catheter ablation at the LOM.Left atrial catheter ablation was performed in a 53-year-old man with paroxysmal, drug-refractory, symptomatic atrial fibrillation. The patient was under general anesthesia during the procedure. During ablation in the region of the LOM, 3D echocardiographic images were acquired with the recently released RT 3D TEE Matrix transducer (IE33 system; Philips Medical Systems, Andover, Mass) to confirm registration of a segmented magnetic resonance rendering of the left atrium imported into the CARTO electroanatomic mapping system (Biosense Webster, Diamond Bar, Calif) and to guide ablative lesion delivery. The RT 3D TEE system represents a novel cardiovascular imaging modality that allows for live 3D imaging as it circumvents most of the disadvantages of reconstructive 3D methods.4 In this instance, conventional 2-dimensional TEE (Figure 1A; Data Supplement Movie IA) and intracardiac ultrasound images (intracardiac echocardiography; Figure 1B; Data Supplement Movie IB) allow for limited visualization of catheter placement in the region of the LOM because of the movement of the 2-dimensional imaging plane during the cardiac cycle. In distinction, RT 3D TEE provides clear definition of the topographical relationships among the LOM, the anterior region of the left PV antrum, the left atrial appendage, and the ablation catheter throughout the cardiac cycle (Figure 2A; Data Supplement Movie IIA). Furthermore, RT 3D TEE allows for real-time imaging of the full span of the LOM so that catheter position and tissue contact can be continuously assessed during ablation at the LOM from the region adjacent to the left inferior PV to the region adjacent to the left superior PV without the need for excessive manipulation of the imaging plane as is required with 2-dimensional imaging systems (Figure 2A through 2C; Data Supplement Movie IIA through IIC). The procedure was completed without complication, and at 2 months' follow-up, the patient remains arrhythmia free. Download figureDownload PowerPointFigure 2. A, RT 3D TEE. This still frame illustrates the topographical relationships among the LOM, the anterior region of the left PV antrum, and the left atrial appendage. The ablation catheter is contacting the lower part of the LOM near the left inferior PV antrum. Note that the left inferior PV ostium is visible at the upper left margin. B and C, RT 3D TEE. Ablation catheter is shown at 2 distinct positions along the LOM while ablation energy is being applied. B shows the ablation catheter tip at the middle portion of the LOM. C shows the catheter tip at the superior and anterior region of the LOM. Note that the "carina" separating the left superior from the left inferior PV ostium in this patient with a common left PV trunk is most clearly evident in Figure 2C. Abbreviations as in Figure 1.In summary, we report the successful application of RT 3D TEE to confirm stable catheter position along the entire length of the LOM during left atrial catheter ablation for atrial fibrillation. This technology could potentially enhance lesion delivery during left atrial catheter ablation for atrial fibrillation to improve efficacy and safety.The online-only Data Supplement is available at http://circimaging.ahajournals.org/cgi/content/full/1/1/85/DC1.DisclosuresDavid B. Adams holds stock in Volumetrics, Inc. Dr Bahnson reports limited advisory services to Biosense Webster, Inc, and to Philips Medical Systems. Dr Mackensen has served as an invited speaker for Philips Medical Systems. The other authors report no conflicts.FootnotesCorrespondence to Tristram D. Bahnson, MD, Division of Cardiovascular Medicine, Duke University Medical Center, Box 2959, Durham, NC 27710. E-mail [email protected]References1 European Heart Rhythm Association (European Cardiac Arrhythmia Society (ECAS), American College of Cardiology (ACC), American Heart Association (AHA), Society of Thoracic Surgeons (STS), Calkins H, Brugada J, Packer DL, Cappato R, Chen SA, Crijns HJ, Damiano RJ Jr, Davies DW, Haines DE, Haissaguerre M, Iesaka Y, Jackman W, Jais P, Kottkamp H, Kuck KH, Lindsay BD, Marchlinski FE, McCarthy PM, Mont JL, Morady F, Nademanee K, Natale A, Pappone C, Prystowsky E, Raviele A, Ruskin JN, Shemin RJ. HRS/EHRA/ECAS expert consensus statement on catheter and surgical ablation of atrial fibrillation: recommendations for personnel, policy, procedures and follow-up: a report of the Heart Rhythm Society (HRS) Task Force on Catheter and Surgical ablation of Atrial fibrillation. Heart Rhythm. 2007; 4: 816–861.CrossrefMedlineGoogle Scholar2 O'Neill MD, Jais P, Hocini M, Sacher F, Klein GJ, Clementy J, Haissaguerre M. Catheter ablation for atrial fibrillation. Circulation. 2007; 116: 1515–1523.LinkGoogle Scholar3 Arentz T, Weber R, Burkle G, Herrera C, Blum T, Stockinger J, Minners J, Neumann FJ, Kalusche D. Small or large isolation areas around the pulmonary veins for the treatment of atrial fibrillation? Results from a prospective randomized study. Circulation. 2007; 115: 3057–3063.LinkGoogle Scholar4 Hung J, Lang R, Flachskampf F, Shernan SK, McCulloch ML, Adams DB, Thomas J, Vannan M, Ryan T, for the American Society of Echocardiography. 3D echocardiography: a review of the current status and future directions. J Am Soc Echocardiogr. 2007; 20: 213–233.CrossrefMedlineGoogle Scholar Previous Back to top Next FiguresReferencesRelatedDetailsCited By Verma A and Shenasa M (2019) Advances in Atrial Fibrillation Ablation Cardiac Mapping, 10.1002/9781119152637.ch20, (252-288) Packer D and Padmanabhan D (2019) Future of Cardiac Mapping Cardiac Mapping, 10.1002/9781119152637.ch96, (1193-1211) Romero J, Avendano R, Grushko M, Diaz J, Du X, Gianni C, Natale A and Biase L (2018) Oesophageal Injury During AF Ablation: Techniques for Prevention, Arrhythmia & Electrophysiology Review, 10.15420/aer.2017.46.2, 7:1, (24), . 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July 2008Vol 1, Issue 1 Advertisement Article InformationMetrics https://doi.org/10.1161/CIRCIMAGING.107.763128PMID: 19808518 Originally publishedJuly 1, 2008 PDF download Advertisement SubjectsCatheter Ablation and Implantable Cardioverter-DefibrillatorEchocardiography