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Radiofrequency ablation

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https://www.readbyqxmd.com/read/28340160/safety-of-fluoroscopy-guided-transseptal-approach-for-ablation-of-left-sided-arrhythmias
#1
Zviad Matoshvili, Hamid Bastani, Tara Bourke, Frieder Braunschweig, Nikola Drca, Kristjan Gudmundsson, Per Insulander, Anette Jemtrén, Göran Kennebäck, Ott Saluveer, Jonas Schwieler, Jari Tapanainen, Christer Wredlert, Mats Jensen-Urstad
Aims: The transseptal approach is used for left atrial access during the ablation of atrial fibrillation (AF) and other left-sided arrhythmia substrates. Transseptal puncture (TP) is commonly performed with fluoroscopic guidance, contrast injection, and pressure monitoring. In many centres, additional techniques [intracardiac echocardiography (ICE), transoesophageal echocardiography (TEE), radiofrequency needle] are used to facilitate TP but its use adds costs. In this retrospective study, we studied the safety and complication rate when TP was routinely done with fluoroscopic guidance, contrast injection, and pressure monitoring using ICE or TEE only in selected cases...
March 10, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28340121/atrioventricular-nodal-echoes-over-a-wide-echo-window-as-a-therapeutic-end-point-for-the-catheter-guided-radiofrequency-ablation-of-atrioventricular-nodal-reentrant-tachycardia-a-prospective-study
#2
Mohammad Hossein Nikoo, Armin Attar, Mohammad Pourmontaseri, Mohammad Vahid Jorat, Mohammad Kafi
Aims: In previous retrospective studies, it was shown that the presence of residual single atrioventricular node (AVN) echoes with an echo zone longer than 30 ms may increase the rate of recurrence after radiofrequency ablation (RFA) of slow pathway in patients with AVN reentrant tachycardia (AVNRT). Based on that, some centres perform additional RFA in these patients. However, this opinion has never been tested prospectively and many centres do not perform re-ablation in these patients...
March 15, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28340078/image-integration-into-3-dimensional-electro-anatomical-mapping-system-facilitates-safe-ablation-of-ventricular-arrhythmias-originating-from-the-aortic-root-and-its-vicinity
#3
Mario Jularic, Ruken Özge Akbulak, Benjamin Schäffer, Julia Moser, Jana Nuehrich, Christian Meyer, Christian Eickholt, Stephan Willems, Boris A Hoffmann
Aims: During ablation in the vicinity of the coronary arteries establishing a safe distance from the catheter tip to the relevant vessels is mandatory and usually assessed by fluoroscopy alone. The aim of the study was to investigate the feasibility of an image integration module (IIM) for continuous monitoring of the distance of the ablation catheter tip to the main coronary arteries during ablation of ventricular arrhythmias (VA) originating in the sinus of valsalva (SOV) and the left ventricular summit part of which can be reached via the great cardiac vein (GCV)...
March 7, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28340057/long-term-outcome-of-pulmonary-vein-isolation-in-patients-with-paroxysmal-atrial-fibrillation-and-brugada-syndrome
#4
Giacomo Mugnai, Burak Hünük, Erwin Ströker, Diego Ruggiero, Hugo Enrique Coutino-Moreno, Ken Takarada, Valentina De Regibus, Rajin Choudhury, Juan Pablo Abugattas de Torres, Darragh Moran, Saverio Iacopino, Pasquale Filannino, Giulio Conte, Juan Sieira, Jan Poelaert, Stefan Beckers, Pedro Brugada, Carlo de Asmundis, Gian-Battista Chierchia
Aims: The therapeutical management of atrial fibrillation (AF) in the setting of Brugada syndrome (BS) might be challenging as many antiarrhythmic drugs (AADs) with sodium channel blocking properties might lead to to the development of ventricular arrhythmias. This study sought to evaluate the clinical outcome in a consecutive series of patients with BS having undergone pulmonary vein (PV) isolation by means of radiofrequency (RF) or cryoballoon (CB) ablation and the efficacy of catheter ablation for preventing inappropriate interventions delivered by implantable cardioverter defibrillators (ICD) on a 3-year follow up...
March 9, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28340054/outcomes-of-atrial-arrhythmia-radiofrequency-catheter-ablation-in-patients-with-ebstein-s-anomaly
#5
Abdallah Hassan, Nicholas Y Tan, Htin Aung, Heidi M Connolly, David O Hodge, Emily R Vargas, Bryan C Cannon, Douglas L Packer, Samuel J Asirvatham, Christopher J McLeod
Aims: Atrial arrhythmias are common in patients with Ebstein's anomaly (EA) despite cardiac surgical repair and concomitant Maze procedures. We aimed to evaluate the outcome of radiofrequency catheter ablation in this group of patients. Methods and results: All patients with EA and atrial arrhythmias who underwent catheter ablation for atrial arrhythmias between 1/1999 and 1/2016 were included. Atrial arrhythmia recurrence was identified as the primary outcome; secondary outcomes included repeat ablation, need for antiarrhythmic medications after ablation, and death...
February 27, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339822/can-we-say-anything-about-ganglionated-plexus-modification-during-radiofrequency-pulmonary-vein-isolation-and-post-ablation-arrhythmia-recurrence-at-this-time
#6
Tolga Aksu
No abstract text is available yet for this article.
February 23, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339564/emerging-molecular-therapies-targeting-myocardial-infarction-related-arrhythmias
#7
Helen E Driessen, Toon A B van Veen, Gerard J J Boink
Cardiac disease is the leading cause of death in the developed world. Ventricular arrhythmias associated with myocardial ischaemia and/or infarction are a major contributor to cardiovascular mortality, and require improved prevention and treatment. Drugs, devices, and radiofrequency catheter ablation have made important inroads, but have significant limitations ranging from incomplete success to undesired toxicities and major side effects. These limitations derive from the nature of the intervention. Drugs are frequently ineffective, target the entire heart, and often do not deal with the specific arrhythmia trigger or substrate...
October 6, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339540/interventional-pain-management-for-sacroiliac-tumors-in-the-oncologic-population-a-case-series-and-paradigm-approach
#8
Nathan Hutson, Joseph C Hung, Vinay Puttanniah, Eric Lis, Ilya Laufer, Amitabh Gulati
Introduction.:  Tumors invading the sacrum and/or ilium often represent incurable metastatic disease, and treatment is targeted toward palliation of symptoms and control of pain. As systemic opioid therapy is frequently inadequate and limited by side effects, a variety of interventional techniques are available to better optimize analgesia. Using six patients as a paradigm for interventional approaches to pain relief, we present a therapeutic algorithm for treating sacroiliac tumor-related pain in the oncologic population...
October 7, 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28339446/pulsed-radiofrequency-ablation-of-pudendal-nerve-for-treatment-of-a-case-of-refractory-pelvic-pain
#9
Vadim Petrov-Kondratov, Avneesh Chhabra, Stephanie Jones
Pudendal neuralgia (PN) is a result of pudendal nerve entrapment or injury, also called "Alcock syndrome." Pain that develops is often chronic, and at times debilitating. If conservative measures fail, invasive treatment modalities can be considered. The goal of this case report is to add to a small body of literature that a pulsed radiofrequency (PRF) ablation can be effectively used to treat PN and to show that high resolution MR neurography imaging can be used to detect pudendal neuropathy. CASE PRESENTATION: We present a case of a 51-year-old woman with 5 years of worsening right groin and vulva pain...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28339444/a-review-of-long-term-pain-relief-after-genicular-nerve-radiofrequency-ablation-in-chronic-knee-osteoarthritis
#10
Ferdinand Iannaccone, Samuel Dixon, Andrew Kaufman
BACKGROUND: Studies of radiofrequency ablation (RFA) of genicular nerves have reportedly significantly decreased pain up to 3 months post ablation, but no longer term effects have been reported. We performed an analysis of long-term pain relief of 31 RFA procedures of the genicular nerves to analyze the degree of pain relief past 3 months, culminating at 6 months. STUDY DESIGN: Chart review and study design was approved by Newark Health Sciences Institutional Review Board (IRB)...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28339430/comparative-effectiveness-review-of-cooled-versus-pulsed-radiofrequency-ablation-for-the-treatment-of-knee-osteoarthritis-a-systematic-review
#11
Anita Gupta, Daniel P Huettner, Matthew Dukewich
BACKGROUND: Patients suffering from osteoarthritis of the knee and patients post total knee arthroplasty often develop refractory, disabling chronic knee pain. Radiofrequency ablation, including conventional, pulsed, and cooled, has recently become more accepted as an interventional technique to manage chronic knee pain in patients who have failed conservative treatment or who are not suitable candidates for surgical treatment. OBJECTIVE: This systematic review aimed to analyze published studies on radiofrequency ablation to provide an overview of the current knowledge regarding variations in procedures, nerve targets, adverse events, and temporal extent of clinical benefit...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28336939/locating-the-human-cardiac-conduction-system-using-a-3d-model-of-its-nutritious-arteries
#12
Yu Xu, Yukun Peng, Rongmei Qu, Guorong Zheng, Feiyan Feng, Yan Feng, Linying He, Shanli He, Zeyu Li, Chang Liu, Zhaoming Xiao, Jun Ouyang, Jingxing Dai
It is difficult for anatomists to dissect the human cardiac conduction system (CCS) on specimens as well as for cardiovascular clinicians to locate the CCS during cardiac operations. Here, we demonstrate a new method for locating the CCS using a 3D model of its nutritious arteries. First, we perfused the coronary arteries with contrast material and then acquired a set of data of thin computer tomography (CT) scans. Then, we generated a 3D model of the coronary artery and distinguished the arteries that supply the CCS...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28336273/soft-palate-fistula-after-radiofrequency-ablation-for-primary-snoring-a-case-report-and-literature-review
#13
Lauren K Reckley, Camilo Fernandez-Salvador, Edward T Chang, Macario Camacho
No abstract text is available yet for this article.
March 7, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28334430/radiofrequency-ablation-using-a-10-mm-target-margin-for-small-hepatocellular-carcinoma-in-patients-with-liver-cirrhosis-a-prospective-randomized-trial
#14
Mingheng Liao, Xiaofei Zhong, Jingyi Zhang, Yangyang Liu, Zexin Zhu, Hong Wu, Yong Zeng, Jiwei Huang
BACKGROUND AND OBJECTIVES: To compare 3-year clinical outcomes of radiofrequency ablation (RFA) targeting 5- or 10-mm margins for small hepatocellular carcinomas (HCCs) in cirrhotic patients. METHODS: In total, 96 cirrhotic patients with a small solitary HCC (diameter ≤3 cm) were included in this prospective trial (ChiCTRTRC-10000954). Patients were stratified by Child-Pugh class and randomly allocated into groups targeting either wide margins (≥10 mm, WM) or narrow margins (≥5 mm but <10 mm, NM)...
March 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28332904/comparison-of-the-long-term-efficacy-of-radiofrequency-ablation-and-surgical-turbinoplasty-in-inferior-turbinate-hypertrophy-a-randomized-clinical-study
#15
Satvinder Singh Bakshi, Kiruba Shankar Manoharan, Surianarayanan Gopalakrishnan
OBJECTIVE: To compare the long term effectiveness of radiofrequency thermal ablation with that of surgical turbinoplasty, a prospective, randomized, blinded clinical study was conducted. METHODS: Eighty six patients suffering from nasal obstruction due to bilateral inferior turbinate hypertrophy were enrolled. Forty four patients were operated by radiofrequency ablation, while 42 underwent surgical turbinoplasty. The outcomes of both techniques were compared in terms of symptoms using visual analogue score (VAS) and endoscopic scores...
March 23, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28332158/first-clinical-use-of-the-echotrack-guidance-approach-for-radiofrequency-ablation-of-thyroid-gland-nodules
#16
Alfred Michael Franz, Alexander Seitel, Nasrin Bopp, Christian Erbelding, Dominique Cheray, Stefan Delorme, Frank Grünwald, Hüdayi Korkusuz, Lena Maier-Hein
PURPOSE: Percutaneous radiofrequency ablation (RFA) of thyroid nodules is an alternative to surgical resection that offers the benefits of minimal scars for the patient, lower complication rates, and shorter treatment times. Ultrasound (US) is the preferred modality for guiding these procedures. The needle is usually kept within the US scanning plane to ensure needle visibility. However, this restricts flexibility in both transducer and needle movement and renders the procedure difficult, especially for inexperienced users...
March 22, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28326823/tp-e-interval-and-tp-e-qt-ratio-before-and-after-catheter-ablation-in-patients-with-premature-ventricular-complexes
#17
Çağrı Yayla, Fırat Özcan, Dursun Aras, Osman Turak, Özcan Özeke, Serkan Çay, Serkan Topaloğlu
AIM: Tp-e/QT ratio is a novel marker of ventricular repolarization. The aim of the study is to evaluate the Tp-e interval and Tp-e/QT ratio before and after radiofrequency ablation (RFA) for patients with frequent premature ventricular complexes (PVCs). PATIENTS & METHODS: The study included 151 consecutive patients who underwent RFA for treatment of symptomatic frequent PVCs. RESULTS: Tp-e interval, Tp-e/QT ratio and Tp-e/QTc ratio (all p < 0...
March 14, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28326799/glomerular-loss-after-renal-radiofrequency-ablation-are-comparable-to-30-minutes-of-warm-ischemia
#18
Leonardo A S Abreu, José A Damasceno-Ferreira, Waldemar S Costa, Marco Aurélio Pereira-Sampaio, Francisco José Sampaio, Diogo B de Souza
PURPOSE: To compare, with stereological methods, the glomerular loss in kidneys submitted to radiofrequency ablation (RFA) or warm ischemia. METHODS: Twenty-six male pigs were divided into three groups. Eight animals were allocated in the sham group, which was submitted to laparoscopic dissection of the left renal hilum, without renal ischemia. Eight animals were allocated in the ischemia group, which had the left renal hilum clamped for 30 minutes under laparoscopic access...
March 22, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28325920/serum-wisteria-floribunda-agglutinin-positive-sialylated-mucin-1-as-a-marker-of-progenitor-biliary-features-in-hepatocellular-carcinoma
#19
Nobuharu Tamaki, Atsushi Kuno, Atsushi Matsuda, Hanako Tsujikawa, Ken Yamazaki, Yutaka Yasui, Kaoru Tsuchiya, Hiroyuki Nakanishi, Jun Itakura, Masaaki Korenaga, Masashi Mizokami, Masayuki Kurosaki, Michiie Sakamoto, Hisashi Narimatsu, Namiki Izumi
Histological molecular classification of hepatocellular carcinoma (HCC) is clinically important for predicting the prognosis. However, a reliable serum marker has not been established. The aim of this study was to evaluate the diagnostic value of serum Wisteria Floribunda agglutinin-positive sialylated mucin 1 (WFA-sialylated MUC1), which is a novel biliary marker, as a marker of HCC with hepatic progenitor cell (HPC)/biliary features and of prognosis. A total of 144 consecutive patients who underwent complete radiofrequency ablation of primary HCC were enrolled...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28325634/emerging-roles-of-coblation-in-rhinology-and-skull-base-surgery
#20
REVIEW
Garret W Choby, Peter H Hwang
Coblation is a technology that incorporates bipolar radiofrequency energy to ablate tissue at relatively low temperatures. Its use for sinonasal surgery is actively being investigated, including applications for turbinate reduction, sinus surgery, skull base surgery, and adenoidectomy. Potential benefits include reduction in blood loss, improved endoscopic surgical visualization, and reduction in postoperative pain. The main drawbacks are its relatively high cost, potential adverse effects on functional epithelium, and relative paucity of long-term outcomes...
March 18, 2017: Otolaryngologic Clinics of North America
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