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Radiofrequency ablation

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https://www.readbyqxmd.com/read/28718950/radiofrequency-ablation-for-the-management-of-thyroid-nodules-a-critical-appraisal-of-the-literature
#1
REVIEW
Roberto Cesareo, Andrea Palermo, Valerio Pasqualini, Roberto Cianni, Gianluigi Gaspa, Silvia Manfrini, Claudio Maurizio Pacella
The majority of benign thyroid nodules are asymptomatic, remain stable in size, and do not require treatment. However, a minority of patients with growing nodules may have local symptoms or cosmetic concerns, and thus demand surgical therapy. The timely use of ultrasound-guided, minimally invasive thermal therapies has changed the natural history of benign, enlarging thyroid nodules (TNs). These procedures produce persistent shrinkage of TNs and an improvement of local symptoms. Among the various procedures, percutaneous ethanol injection (PEI) represents the first-line treatment for thyroid cysts, while in solid cold nodules, laser and radiofrequency ablation (RFA) have proven to be very effective and safe techniques in producing significant volume reduction that remains stable over several years...
July 18, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28718606/-interventional-treatment-of-venous-insufficiency
#2
Barbara Ney, Rolf P Engelberger, Amin Dabiri, Jean-François Lüthi, Andreas Erdmann, Caroline Krieger, Sébastien Déglise, Thierry Merminod, Philippe Kern, Lucia Mazzolai
Interventional treatment of venous insufficiency has been revolutionized by endovascular techniques. Some of these techniques, and particularly thermal ablation (endovenous laser, radiofrequency) are now recommended as first-line therapy in the latest international guidelines. This is because of less post-operative pain, a shorter leave from employment and similar or lower recurrence rate. Endovenous techniques allow safer and more efficient treatment of certain particular conditions : small saphenous vein, ulcers, and recurrent varicose veins...
March 15, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28718039/a%C3%A2-decade-of-atrial-fibrillation-ablation-shifts-in-patient-characteristics-and-procedural-outcomes
#3
C Teunissen, N Clappers, R J Hassink, J F van der Heijden, F H Wittkampf, P Loh
BACKGROUND: Over the past decade, radiofrequency catheter ablation (RFCA) of atrial fibrillation (AF) has evolved into a frequently performed procedure. The aim of this study was to monitor changes in patient characteristics, procedural characteristics, outcomes and complications over the past 10 years. METHODS: All consecutive patients who underwent primary RFCA treatment of AF in the University Medical Center Utrecht from 2005-2015 were included. In all patients, the primary ablation strategy was pulmonary vein (PV) antrum isolation without additional substrate modification...
July 17, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28718001/a-new-device-for-fiducial-registration-of-image-guided-navigation-system-for-liver-rfa
#4
Nobutaka Doba, Hiroyuki Fukuda, Kazushi Numata, Yoshiteru Hao, Kouji Hara, Akito Nozaki, Masaaki Kondo, Makoto Chuma, Katsuaki Tanaka, Shigeo Takebayashi, Norihiro Koizumi, Akira Kobayashi, Junichi Tokuda, Shin Maeda
PURPOSE: Radiofrequency ablation for liver tumors (liver RFA) is widely performed under ultrasound guidance. However, discriminating between the tumor and the needle is often difficult because of cavitation caused by RFA-induced coagulation. An unclear ultrasound image can lead to complications and tumor residue. Therefore, image-guided navigation systems based on fiducial registration have been developed. Fiducial points are usually set on a patient's skin. But the use of internal fiducial points can improve the accuracy of navigation...
July 17, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28716699/bridge-to-success-a-better-method-of-cryoablation-for-atrioventricular-nodal-reentrant-tachycardia-in-children
#5
Charitha D Reddy, Scott R Ceresnak, Kara S Motonaga, Kishor Avasarala, Christine Feller, Anthony Trela, Debra Hanisch, Anne M Dubin
BACKGROUND: Cryoablation for AVNRT is associated with higher recurrence rates than radiofrequency ablation(RF). Junctional tachycardia marks procedural success with RF, but no such indicator exists for cryoablation. OBJECTIVE: To determine the impact of voltage mapping plus longer ablation lesions on mid-term success of cryoablation for children with AVNRT. METHODS: A single-center retrospective analysis was performed of pediatric patients with AVNRT who underwent cryoablation from 2011-2015...
July 14, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28713823/intracardiac-hemostasis-and-fibrinolysis-parameters-in-patients-with-atrial-fibrillation
#6
Noémi Klára Tóth, Zoltán Csanádi, Orsolya Hajas, Alexandra Kiss, Edina Nagy-Baló, Kitti Bernadett Kovács, Ferenc Sarkady, László Muszbek, Zsuzsanna Bereczky, László Csiba, Zsuzsa Bagoly
AIMS: To identify intracardiac hemostasis or fibrinolysis abnormalities, which are associated with atrial fibrillation (AF) and increase the risk of thromboembolism. PATIENTS AND METHODS: Patient group consisted of 24 patients with AF and control group included 14 individuals with other supraventricular tachycardia undergoing transcatheter radiofrequency ablation. Blood samples were drawn from the femoral vein (FV), left atrium (LA), and left atrial appendage (LAA) before the ablation procedure...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28713063/radiofrequency-ablation-for-the-treatment-of-weight-regain-after-roux-en-y-gastric-bypass-surgery
#7
Julian A Abrams, Sri Komanduri, Nicholas J Shaheen, Zengri Wang, Richard I Rothstein
BACKGROUND AND AIMS: Roux-en-Y gastric bypass (RYGB) surgery is an established modality for the treatment of morbid obesity. However, approximately one-quarter of patients experience weight regain after initially successful weight loss. Endoscopic therapy targeting the gastric remnant pouch represents a novel potential strategy to re-induce weight loss in this population. We performed a pilot trial of radiofrequency ablation (RFA) of the gastric remnant pouch after RYGB to determine feasibility, safety and efficacy for weight loss...
July 13, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28710238/is-fch-pet-able-to-identify-foci-of-infection-superiorly-to-fdg-pet
#8
Liesel Elisabeth Hardy, Hannah Hessamodini, Michael Wallace, Roslyn Francis
We report a case of a brain abscess identified on fluorine-18 choline (FCH) positron emission tomography (PET) scan, which was not identified on fluorodeoxyglucose (FDG) PET scan. To our knowledge, there are no previous case reports of incidental brain abscess identified by FCH PET imaging. A 51-year-old man, with liver cirrhosis complicated by hepatocellular carcinoma (HCC) was enrolled in a research trial comparing HCC detection in FCH PET versus FDG PET. During the course of the trial, he underwent radiofrequency ablation (RFA) for HCC...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28710233/venobiliary-fistula-with-haemobilia-a-rare-complication-of-percutaneous-liver-biopsy
#9
Rotimi Ayoola, Parth Jamindar, Renee Williams
We describe a case of a 36-year-old man with a history of chronic hepatitis C who presented with abdominal pain 3 days after undergoing a percutaneous ultrasound-guided liver biopsy. Initial investigations revealed a venobiliary fistula with haemobilia and obstructive jaundice with direct bilirubin peaking at 9.2 mg/dL. He underwent an endoscopic retrograde cholangiopancreatography with sphincterotomy and stent placement, bilirubin decreased to 3.7 mg/dL, and the patient was discharged. The patient returned with recurrent abdominal pain and upper gastrointestinal bleeding with haemoglobin of 8...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28708198/the-effect-of-radiofrequency-catheter-ablation-of-frequent-premature-ventricular-complexes-and-arrhythmia-burden-on-left-ventricular-function
#10
Agnieszka Wojdyła-Hordyńska, Oskar Kowalski, Grzegorz J Hordyński, Borislav Dinov, Philipp Sommer, Gerhard Hindricks, Piotr Feusette, Arash Arya
BACKGROUND: Frequent premature ventricular complexes (PVC) are related to reversible tachycardia-induced cardiomyopathy. However, the role of arrhythmia burden on the outcome of the catheter ablation has not been fully recognised. AIM: The aim of this study was to assess the effect of catheter ablation and PVC burden in patients with and without structural heart disease (SHD) on left ventricular ejection fraction (LVEF). METHODS: Transthoracic echocardiography was done before and six months after radiofrequency catheter ablation in 109 consecutive patients (61 men, age 55 ± 17 years) with frequent PVCs...
2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28707652/thermal-ablation-in-the-management-of-adrenal-metastasis-originating-from-non-small-cell-lung-cancer-a-5-year-single-center-experience
#11
Evanthia I Botsa, Ioanna L Thanou, Aspasia T Papatheodoropoulou, Loukas I Thanos
BACKGROUND: Treatment of adrenal metastasis from lung carcinoma may prolong survival in the selected patients. However, not all patients can undergo surgery; thus, minimally invasive ablation procedures such as radiofrequency ablation (RFA) and microwave ablation (MWA) have gained acceptance as alternative treatment methods. This study summarized a 5-year single-center experience regarding the evaluation of safety and efficacy of computed tomography (CT)-guided thermal ablation in the management of adrenal metastasis originating from non-small cell lung cancer (NSCLC)...
July 13, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28706840/arthroscopic-excision-of-osteoid-osteoma-of-the-talus
#12
Iftach Hetsroni, Meir Nyska, Evgeny Edelshtein, Gideon Mann, Ezequiel Palmanovich
Osteoid osteoma is a benign tumor that can cause significant pain and disability. Excision of the tumor can be accomplished with open surgery or, as advocated in recent years, with computed tomography (CT)-guided radiofrequency ablation. In this article, a unique arthroscopic approach to excise an osteoid osteoma of the talus is presented. This was possible by relying on a clear intra-articular prominent osteophyte, which was used as a landmark to indicate tumor location in accordance with preoperative CT views...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706798/arthroscopic-excision-of-osteoid-osteoma-of-the-elbow
#13
Deepak N Bhatia
Osteoid osteoma has been reported infrequently around the elbow joint, and is usually treated with radiofrequency ablation or open excision. Elbow arthroscopy is useful for excision of accessible lesions, and the accompanying elbow stiffness can be treated concurrently. This report describes an arthroscopic excision of an osteoid osteoma located in the juxta-articular distal humeral bone. An initial adhesiolysis and capsulectomy is performed to gain access to the region above the capitellar articular margin...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28705474/rf-ablation-in-periventricular-heterotopia-related-epilepsy
#14
Massimo Cossu, Laura Mirandola, Laura Tassi
Drug-resistant focal epilepsy is a common occurrence in patients with gray matter nodular heterotopia (NH), and surgical treatment is often considered in these cases. NH-related epileptogenicity is sustained by complex networks, which may involve the nodules and extralesional cortex in various combinations. Therefore, invasive EEG is usually required to identify the structures involved in seizure generation. It has been reported that surgery may be effective in cases with unilateral lesions, whereas bilateral cases are not optimal candidates for surgical success...
July 3, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28705385/pneumothorax-due-to-radiofrequency-ablation-for-post-herpetic-neuralgia
#15
Eva Cabrera César, Mª Carmen Fernández Aguirre, Mª Carmen Vera Sánchez, Jose Luis Velasco Garrido
No abstract text is available yet for this article.
July 11, 2017: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/28705106/characteristic-features-of-patients-with-multiple-accessory-pathways
#16
Michal Orczykowski, Pawel Derejko, Piotr Urbanek, Robert Bodalski, Joanna Zakrzewska-Koperska, Maria Bilińska, Lukasz Szumowski
Objective Only limited clinical and electrophysiological data concerning patients (pts) with multiple accessory pathways (MAP) in comparison to large control groups are available. The aim of our study was to analyse these data from the largest cohort of patients with multiple accessory pathways and a large control group. Method and results We analysed data from pts with MAP (group 1) and pts with a single accessory pathway (AP) (group 2) referred for radiofrequency catheter ablation (RFCA) at our tertiary centre...
July 14, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28704245/inciting-events-associated-with-lumbar-facet-joint-pain
#17
Charles A Odonkor, Yian Chen, Peju Adekoya, Bryan J Marascalchi, Hira Chaudhry-Richter, Teresa Tang, Christopher Abruzzese, Berklee K Cohen, Steven P Cohen
BACKGROUND: Low back pain is the leading cause of years lost to disability with approximately 15%-25% of the chronic back pain population suffering from lumbar facet arthropathy. No large-scale study has sought to systematically identify inciting events for lumbar facet arthropathy. The aim of this study is to quantify the proportion of individuals with lumbar facetogenic pain who report a specific precipitating event(s) and to determine if there is a correlation between these events and treatment outcome...
July 10, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28702394/osteoid-osteoma-radiofrequency-ablation-treatment-guided-by-computed-tomography-a-case-series
#18
Rosana Raquel Endo, Natalia Fabris Gama, Suely Akiko Nakagawa, Chiang Jeng Tyng, Wu Tu Chung, Fábio Fernando Eloi Pinto
The osteoid osteoma is a benign primary bone tumor that affects mainly males in the second and third decades of life. Radiographic findings show a radiolucent nidus surrounded by reactive sclerotic bone, particularly in the long bones of the lower extremity. Clinically, it presents persistent pain, which is worse at night and improves with salicylates. It can be a self-limiting injury, with an average duration of three years, but because of pain intensity and intolerance to prolonged use of nonsteroidal anti-inflammatories, surgical treatment is an option...
May 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28701858/early-experience-in-starting-a-laparoscopic-liver-resection-program-in-greece
#19
Georgios C Sotiropoulos, Nikolaos Machairas, Ioannis D Kostakis, Paraskevas Stamopoulos, Petros Charalampoudis, Stylianos Kykalos, Gregory Kouraklis, Dimitrios Mantas
BACKGROUND AND OBJECTIVES: Laparoscopic liver resections (LLRs) have gained wider acceptance during the decade as safe and efficient procedures in the management of several benign and malignant diseases when performed by experienced surgeons. We report our initial institutional experience with LLRs performed by 1 certified hepatobiliary surgeon. METHODS: Patients undergoing LLRs by 1 senior hepatobiliary surgeon in our Institution during the period from January 2012 through January 2017 were prospectively sampled and retrospectively analyzed for the purposes of this study...
January 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/28700983/intratumoral-coagulation-by-radiofrequency-ablation-facilitated-the-laparoscopic-resection-of-giant-hepatic-hemangioma-a-surgical-technique-report-of-two-cases
#20
Shaohong Wang, Jun Gao, Mengmeng Yang, Shan Ke, Xuemei Ding, Jian Kong, Li Xu, Wenbing Sun
BACKGROUND: Traditionally, open hepatic resection is the first choice of treatment for symptomatic enlarging hepatic hemangiomas, which requires a large abdominal incision and is associated with substantial recovery time and morbidity. Minimally invasive laparoscopic resection has been used recently in liver surgery for treating selected hepatic hemangiomas. However, laparoscopic liver surgery poses the significant technical challenges and high rate of conversion. Radiofrequency (RF) ablation has been proved feasible in the treatment of hepatic hemangiomas with a size range of 5...
July 5, 2017: Oncotarget
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