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Vein ablation

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https://www.readbyqxmd.com/read/28441232/atriobronchial-fistula-complicated-by-septic-cerebral-air-emboli-after-pulmonary-vein-ablation
#1
David Velghe, Thomas Apers, Stefanie Devriendt, Ivo Deblier, Bart Hendriks, Rogier Nieuwendijk, Peter Rogiers
OBJECTIVE: To describe a case of an infected atriobronchial fistula as a late complication after pulmonary vein ablation, leading to septic air emboli and requiring urgent cardiac surgery. DATA SOURCES: Clinical observation. STUDY SELECTION: Case report. DATA EXTRACTION: Relevant clinical information. PubMed was searched for relevant literature. DATA SYNTHESIS: Given its high success and low complication rate, pulmonary vein isolation is expected to be increasingly performed worldwide...
April 22, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28440727/foam-sclerotherapy-of-the-great-saphenous-vein-in-association-with-pre-terminal-saphenous-junction-ligation-division-as-an-office-based-procedure-12-month-results
#2
Moro Leo, Ricci Stefano, Antonelli Incalzi Raffaele
Objective Ultrasound-guided foam sclerotherapy (UGFS) - one of the most frequently recommended methods for treating great saphenous vein incompetence - is easy and inexpensive. However, it achieves a lower occlusion rate compared to endovenous thermal ablation. The application of UGFS to pre-terminal great saphenous vein interruption, eliminating the saphenous stem wash out effect, enhances the short-term occlusion rate. This study explores the results of this technique at 12 months. Method Thirty great saphenous veins (28 patients) with junction incompetence, with calibres >6 mm and >30 cm reflux stem length were submitted to echo-guided pre-terminal great saphenous vein interruption and foam great saphenous vein occlusion...
January 1, 2017: Phlebology
https://www.readbyqxmd.com/read/28439660/catheter-ablation-of-persistent-atrial-fibrillation-long-term-results-of-circumferential-pulmonary-vein-ablation-in-combination-with-a-linear-lesion-at-the-roof-of-the-left-atrium
#3
Klaus Kettering, Dag-Hau Yim, Caroline Albert, Felix Gramley
BACKGROUND: Catheter ablation has become the first line of therapy in patients with symptomatic, recurrent, drug-refractory atrial fibrillation. However, catheter ablation of persistent atrial fibrillation is still a challenge. Various relatively complex ablation strategies exist and their results are not very favorable. Therefore, the aim of our study was to evaluate a well-defined reasonable approach to catheter ablation of persistent atrial fibrillation. The strategy consisted of a circumferential pulmonary vein ablation in combination with a linear lesion at the roof of the left atrium...
April 24, 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/28439618/-radiofrequency-current-or-cryoballoon-for-ablation-of-atrial-fibrillation-hot-or-cold
#4
B Reissmann, K-H Kuck, A Metzner
Atrial fibrillation (AF) is the most common form of cardiac arrhythmia. The aim of therapy in symptomatic patients is the establishment of a stable sinus rhythm (SR). Catheter ablation with isolation of the pulmonary veins is the essential component of all forms of ablation therapy and provides the most effective treatment option. The most frequently used technologies for pulmonary vein isolation (PVI) are radiofrequency current (RFC)-based and cryoballoon (CB)-guided ablation. Irrespective of the simplification of PVI, CB ablation is characterized by a short learning curve and short procedural times and demonstrated non-inferiority with respect to safety and efficacy when directly compared to RFC ablation for the treatment of patients with paroxysmal AF; however, the clinical outcome in patients with persistent AF is often insufficient when performing pulmonary vein isolation (PVI) alone for stabilization of SR...
April 24, 2017: Herz
https://www.readbyqxmd.com/read/28438723/long-term-outcomes-of-minimally-invasive-surgical-ablation-for-atrial-fibrillation-a-single-center-experience
#5
Aditya Saini, Yuhning L Hu, Vigneshwar Kasirajan, Frederick T Han, Muhammad Z Khan, Luke Wolfe, Sampath Gunda, Jayanthi N Koneru, Kenneth A Ellenbogen
BACKGROUND: Minimally invasive surgical AF ablation delivers RF energy via a thoracoscopic approach to perform pulmonary vein isolation and LA ganglionic plexi ablation. Data on long term outcomes of MISAA is lacking. OBJECTIVE: We report 5 year follow-up data from a prospective cohort of patients who underwent MISAA at a single center. METHODS: One hundred nine consecutive patients (60 paroxysmal, 49 persistent, mean age 62.7±9.3 years) underwent MISAA with left atrial appendage exclusion by a single surgeon between 2006 and 2012...
April 21, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28438722/propagation-of-meandering-rotors-surrounded-by-high-dominant-frequency-areas-in-persistent-atrial-fibrillation
#6
João Salinet, Fernando S Schlindwein, Peter Stafford, Tiago P Almeida, Xin Li, Frederique J Vanheusden, María S Guillem, G André Ng
BACKGROUND: identification of arrhythmogenic regions remains a challenge in persistent atrial fibrillation (persAF). Frequency and phase analysis allows identification of potential ablation targets. OBJECTIVE: This study aims to investigate the spatiotemporal association between dominant frequency (DF) and re-entrant phase activation areas. METHODS: Eight persAF patients undergoing first-time catheter ablation procedure were enrolled. A non-contact array catheter was deployed into the left atrium (LA) and 2048 AF electrograms (AEG) were acquired for 15 seconds following ventricular far-field cancellation...
April 21, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28434448/gastric-hypomotility-after-second-generation-cryoballoon-ablation-unrecognized-silent-nerve-injury-after-cryoballoon-ablation
#7
Shinsuke Miyazaki, Hiroaki Nakamura, Hiroshi Taniguchi, Hitoshi Hachiya, Takamitsu Takagi, Miyako Igarashi, Takatsugu Kajiyama, Tomonori Watanabe, Takashi Niida, Kenzo Hirao, Yoshito Iesaka
BACKGROUND: Few data are available on gastric hypomotility (GH) after cryoballoon pulmonary vein isolation. Also, the use of esophageal temperature monitoring for the prevention of endoscopically detected esophageal lesions (EDELs) is not well established. OBJECTIVE: The purpose of this study was to investigate GH and the impact of an esophageal probe on EDELs during second-generation cryoballoon ablation. METHODS: One hundred four patients with paroxysmal atrial fibrillation undergoing second-generation cryoballoon ablation under conscious sedation followed by esophagogastroscopy were prospectively included...
May 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28434447/could-less-be-more-in-catheter-ablation-for-persistent-atrial-fibrillation-pulmonary-vein-isolation-reconsidered
#8
EDITORIAL
Eric Buch, Kalyanam Shivkumar
No abstract text is available yet for this article.
May 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28434446/revisiting-pulmonary-vein-isolation-alone-for-persistent-atrial-fibrillation-a-systematic-review-and-meta-analysis
#9
Aleksandr Voskoboinik, Jeremy T Moskovitch, Nadav Harel, Prashanthan Sanders, Peter M Kistler, Jonathan M Kalman
BACKGROUND: Early studies demonstrated relatively low success rates for pulmonary vein isolation (PVI) alone in patients with persistent atrial fibrillation (PeAF). However, the advent of new technologies and the observation that additional substrate ablation does not improve outcomes have created a new focus on PVI alone for treatment of PeAF. OBJECTIVE: The purpose of this study was to systematically review the recent medical literature to determine current medium-term outcomes when a PVI-only approach is used for PeAF...
May 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28432503/high-voltage-zones-within-the-pulmonary-vein-antra-major-determinants-of-acute-pulmonary-vein-reconnections-after-atrial-fibrillation-ablation
#10
Koichi Nagashima, Ichiro Watanabe, Yasuo Okumura, Kazuki Iso, Keiko Takahashi, Ryuta Watanabe, Masaru Arai, Sayaka Kurokawa, Toshiko Nakai, Kimie Ohkubo, Shunichi Yoda, Atsushi Hirayama
PURPOSE: Recurrence of atrial fibrillation (AF) after pulmonary vein isolation (PVI) is mainly due to PV reconnections. Patient-specific tissue characteristics that may contribute remain unidentified. This study aimed to assess the relationship between the bipolar electrogram voltage amplitudes recorded from the PV-left atrial (LA) junction and acute PV reconnection sites. METHODS: Three-dimensional LA voltage maps created before an extensive encircling PVI in 47 AF patients (31 men; mean age 62 ± 11 years) were examined for an association between the EGM voltage amplitude recorded from the PV-LA junction and acute post-PVI PV reconnections (spontaneous PV reconnections and/or ATP-provoked dormant PV conduction)...
April 21, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28431588/chiva-a-prospective-study-of-a-vein-sparing-technique-for-the-management-of-varicose-vein-disease
#11
Marta Zmudzinski, Pierre Malo, Christine Hall, Allen Hayashi
BACKGROUND: Varicose vein disease (VVD) affects approximately one third of adults. Cure Conservatrice et Hémodynamique de l'Insuffisance Veineuse en Ambulatoire (CHIVA) is a minimally invasive, vein sparing technique that is emerging as an alternative to ablative techniques for treating VVD. METHODS: This prospective study assessed the rate of recurrence of venous reflux with CHIVA. We evaluated 150 primary procedures with clinical and duplex ultrasound examinations pre and post operatively...
April 4, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28431073/dormant-pulmonary-vein-conduction-before-ablation-revealed-by-adenosine-evidence-for-intermittent-venoatrial-conduction
#12
Patrizio Pascale, Laurent Roten, Etienne Pruvot
No abstract text is available yet for this article.
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28431066/limited-left-atrial-surgical-ablation-effectively-treats-atrial-fibrillation-but-decreases-left-atrial-function
#13
Marieke G Compier, Laurens F Tops, Jerry Braun, Katja Zeppenfeld, Robert J Klautz, Martin J Schalij, Serge A Trines
Aims: Limited left atrial (LA) surgical ablation with bipolar radiofrequency is considered to be an effective procedure for treatment of atrial fibrillation (AF). We studied whether limited LA surgical ablation concomitant to cardiac surgery is able to maintain LA function. Methods and Results: Thirty-six consecutive patients (age 66 ± 12 years, 53% male, 78% persistent AF) scheduled for valve surgery and/or coronary revascularization and concomitant LA surgical ablation were included...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28431050/role-of-adenosine-guided-pulmonary-vein-isolation-in-patients-undergoing-catheter-ablation-for-atrial-fibrillation-a-meta-analysis
#14
Yi-He Chen, Hui Lin, Cheng-Long Xie, Jian-Wen Hou, Yi-Gang Li
Aims: Adenosine had been reported to unmask dormant conduction and thus identify pulmonary vein at risk of reconnection. However, the role of adjunctive adenosine infusion after pulmonary vein isolation (PVI) on long-term arrhythmia-free survival was still contentious. The purpose of the present meta-analysis was to assess the association of adenosine testing with long-term ablation success in patients with atrial fibrillation (AF) (i.e. freedom from AF recurrence). Methods and Results: We systematically searched the electronic databases and finally included 10 studies, with 1771 patients undergoing adenosine-guided PVI and 1787 patients undergoing conventional PVI...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28429499/atrial-fibrillation-patients-with-isolated-pulmonary-veins-is-sinus-rhythm-achievable
#15
Judit Szilágyi, Gregory M Marcus, Nitish Badhwar, Byron K Lee, Randall J Lee, Vasanth Vedantham, Zian H Tseng, Tomos Walters, Melvin Scheinman, Jeffrey Olgin, Edward P Gerstenfeld
BACKGROUND: The cornerstone of atrial fibrillation (AF) ablation is isolation of the pulmonary veins (PVs). Patients with recurrent AF undergoing repeat ablation usually have PV reconnection (PVr). The ablation strategy and outcome of patients undergoing repeat ablation who have persistent isolation of all PVs (PVi) at the time of repeat ablation is unknown. METHODS AND RESULTS: We studied consecutive patients with recurrent AF undergoing repeat ablation and compared patients with PVi to those with PVr...
April 21, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28427852/circumferential-pulmonary-vein-isolation-with-second-generation-multipolar-catheter-in-patients-with-paroxysmal-or-persistent-atrial-fibrillation-procedural-and-one-year-follow-up-results
#16
Stefan G Spitzer, Patrick Leitz, Anke Langbein, Laszlo Karolyi, Frank Scharfe, Thomas Weinmann, Carola Rämmler, Christian Pott, Gerold Mönnig, Lars Eckardt
BACKGROUND: There is a lack of procedural and follow-up data on pulmonary vein isolation (PVI) with the second-generation pulmonary vein ablation catheter® (PVAC Gold) in patients with atrial fibrillation (AF). This study provides data on PVI procedures and 1-year follow-up results with PVAC Gold in patients with AF treated in clinical practice. METHODS AND RESULTS: Three hundred and eighty four patients with documented symptomatic paroxysmal (n=198) or persistent (n=186) AF were included in a non-randomized prospectively designed database...
April 12, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28424659/online-measurement-of-microembolic-signal-burden-by-transcranial-doppler-during-catheter-ablation-for-atrial-fibrillation-results-of-a-multicenter-trial
#17
Christian von Bary, Thomas Deneke, Thomas Arentz, Anja Schade, Heiko Lehrmann, Sabine Fredersdorf, Dobri Baldaranov, Lars Maier, Felix Schlachetzki
INTRODUCTION: Left atrial pulmonary vein isolation (PVI) is an accepted treatment option for patients with symptomatic atrial fibrillation (AF). This procedure can be complicated by stroke or silent cerebral embolism. Online measurement of microembolic signals (MESs) by transcranial Doppler (TCD) may be useful for characterizing thromboembolic burden during PVI. In this prospective multicenter trial, we investigated the burden, characteristics, and composition of MES during left atrial catheter ablation using a variety of catheter technologies...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28422368/safety-and-efficacy-of-pulmonary-vein-isolation-using-a-surround-flow-catheter-with-contact-force-measurement-capabilities-a-multicenter-registry
#18
Giuseppe Stabile, Paolo Di Donna, Vincenzo Schillaci, Antonio Di Monaco, Assunta Iuliano, Domenico Caponi, Francesco Urraro, Francesco Solimene, Massimo Grimaldi, Marco Scaglione
INTRODUCTION: Pulmonary vein (PV) isolation is the cornerstone of catheter ablation in patients with atrial fibrillation (AF). Surround flow and contact force (CF) measurement capabilities might enhance procedure efficacy and safety. We report on the safety and mid-term efficacy of a novel ablation catheter for PV isolation in patients with AF. METHODS AND RESULTS: Two hundred thirty-three consecutive patients (57±11 years, 76% males, 51% with structural heart disease) referred for paroxysmal (157) or persistent (76) AF, underwent PV isolation by a surround flow catheter with CF measurement capability in 4 centers...
April 19, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28421621/presence-of-ganglia-and-telocytes-in-proximity-to-myocardial-sleeve-tissue-in-the-porcine-pulmonary-veins-wall
#19
T Vandecasteele, P Cornillie, K Vandevelde, A Logothetidou, L Couck, G van Loon, W Van den Broeck
Ganglia and telocytes were identified inside the porcine pulmonary veins wall near myocardial sleeve tissue at the atriopulmonary junction. These structures are reported to play a role in the initiation of pulses from outside the heart, which potentially can cause cardiac conduction disorders such as atrial fibrillation. In-depth knowledge on the fine structure of the pulmonary vein wall is a pre-requisite to better understand the underlying pathophysiology of atrial fibrillation and the origin and conduction of ectopic pulses...
April 19, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28421588/takotsubo-syndrome-after-pericardial-tamponade-following-cryoballoon-ablation-of-pulmonary-veins-for-paroxysmal-atrial-fibrillation-and-complicated-by-right-coronary-artery-thrombosis
#20
Jarosław Hiczkiewicz, Edward Koźluk, Katarzyna Łojewska, Jan Budzianowski, Rafał Zimoląg, Łukasz Grydz, Robert Sabiniewicz
No abstract text is available yet for this article.
2017: Cardiology Journal
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