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Percutaneous radiofrequency

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https://www.readbyqxmd.com/read/30094136/thermal-effect-of-percutaneous-radiofrequency-ablation-with-a-clustered-electrode-for-vertebral-tumors-in-vitro-and-vivo-experiments-and-clinical-application
#1
Wei Zhao, Zhao-Hong Peng, Jin-Zhou Chen, Ji-Hong Hu, Jian-Qiang Huang, Yong-Neng Jiang, Gang Luo, Gen-Fa Yi, Hui Wang, Shen Jin, Bu-Lang Gao
Purpose: To investigate effects and heat distribution of radiofrequency ablation (RFA) on vertebral tumors in vitro and in vivo swine experiments and its clinical application. Materials and methods: RFA was performed on the swine spine in vitro and in vivo for 20 min at 90 °C at the electrode tip, and the temperature at the electrode tip and surrounding tissues were recorded. Clinical application of ablation combined with vertebroplasty was subsequently performed in 4 patients with spinal tumors...
September 2018: Journal of Bone Oncology
https://www.readbyqxmd.com/read/30093485/simultaneous-bipedicular-radiofrequency-ablation-combined-with-vertebral-augmentation-for-local-tumor-control-of-spinal-metastases
#2
A Tomasian, T J Hillen, R O Chang, J W Jennings
BACKGROUND AND PURPOSE: Percutaneous radiofrequency ablation combined with vertebral augmentation has emerged as a minimally invasive treatment for patients with vertebral metastases who do not respond to or have contraindications to radiation therapy. The prevalence of posterior vertebral body metastases presents access and treatment challenges in the unique anatomy of the spine. The purpose of this study was to evaluate the safety and efficacy of simultaneous bipedicular radiofrequency ablation using articulating bipolar electrodes combined with vertebral augmentation for local tumor control of spinal metastases...
August 9, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/30085840/spinal-osteoid-osteoma-percutaneous-radiofrequency-ablation-using-a-navigational-bipolar-electrode-system
#3
Anderanik Tomasian, Jack W Jennings
OBJECTIVE: The purpose of this article is to describe the use of a navigational bipolar radiofrequency ablation system for the treatment of spinal osteoid osteomas. CONCLUSION: Safe and effective imaging-guided percutaneous radiofrequency ablation of spinal osteomas can be performed using a multidirectional bipolar electrode system.
August 7, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/30066034/radiofrequency-denervation-for-treatment-of-sacroiliac-joint-pain-comparison-of-two-different-ablation-techniques
#4
Simon Heinrich Bayerl, Tobias Finger, Petra Heiden, Nazli Esfahani-Bayerl, Christopher Topar, Vincent Prinz, Johannes Woitzik, Julius Dengler, Peter Vajkoczy
The radiofrequency treatment (RFD) for sacroiliac joint pain (SIP) is well-established, but there is still scarce evidence on its clinical outcome. The classical monopolar RFD is limited by a high recurrence rate. This might be caused by an incomplete denervation of the dorsal rami. The Simplicity III probe was invented to optimise pain fibre recruitment by its multi-electrode design. However, the clinical superiority of this procedure was never proven. The aim of this study was to illustrate the effectiveness of RFD and to compare both denervation techniques...
July 31, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/30062444/infectious-outcomes-from-renal-tumor-ablation-prophylactic-antibiotics-or-not
#5
Daniel Crawford, Eric vanSonnenberg, Paul Kang
INTRODUCTION: Variability exists among institutions and physicians regarding the use of prophylactic antibiotics for ablation of renal tumors. The literature was reviewed for infectious complications vis-à-vis the reported use of prophylactic antibiotics for tumor ablation of renal neoplasms. MATERIALS AND METHODS: PubMed was searched for articles reporting radiofrequency ablation, cryoablation, and microwave ablation of renal masses, both by percutaneous and laparoscopic approaches...
July 30, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/30059395/management-of-sacroiliac-joint-pain
#6
Gary L Schmidt, Amit K Bhandutia, Daniel T Altman
Sacroiliac joint (SIJ)-based pain can be difficult to diagnose definitively through physical examination and conventional radiography. A fluoroscopically guided injection into the SIJ can be both diagnostic and therapeutic. The initial phase of treatment involves nonsurgical modalities such as activity modification, use of a sacroiliac (SI) belt, NSAIDs, and physical therapy. Prolotherapy and radiofrequency ablation may offer a potential benefit as therapeutic modalities, although limited data support their use as a primary treatment modality...
July 27, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/30053519/percutaneous-radiofrequency-ablation-versus-open-surgical-resection-for-spinal-osteoid-osteoma
#7
Xiang Yu, Ben Wang, ShaoMin Yang, SongBo Han, Liang Jiang, XiaoGuang Liu, Feng Wei, FengLiang Wu, Lei Dang, ZhongJun Liu
BACKGROUND CONTEXT: Both open surgical resection (OSR) and radiofrequency ablation (RFA) have been reported for spinal osteoid osteoma (OO). PURPOSE: To verify the clinical safety and efficiency of RFA with OSR in treating spinal OO. STUDY DESIGN: Retrospective cohort study. PATIENT SAMPLE: Twenty-eight consecutive patients with spinal OO who underwent either RFA or open surgical resection (ORS) in our institute between September 2006 and December 2016...
July 24, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/30039918/expert-consensus-on-image-guided-radiofrequency-ablation-of-pulmonary-tumors-2018-edition
#8
Bao-Dong Liu, Xin Ye, Wei-Jun Fan, Xiao-Guang Li, Wei-Jian Feng, Qiang Lu, Yu Mao, Zheng-Yu Lin, Lu Li, Yi-Ping Zhuang, Xu-Dong Ni, Jia-Lin Shen, Yi-Li Fu, Jian-Jun Han, Chen-Rui Li, Chen Liu, Wu-Wei Yang, Zhi-Yong Su, Zhi-Yuan Wu, Lei Liu
Lung cancer ranks first in incidence and mortality in China. Surgery is the primary method to cure cancer, but only 20-30% of patients are eligible for curative resection. In recent years, in addition to surgery, other local therapies have been developed for patients with numerous localized primary and metastatic pulmonary tumors, including stereotactic body radiation therapy and thermal ablative therapies through percutaneously inserted applicators. Percutaneous thermal ablation of pulmonary tumors is minimally invasive, conformal, repeatable, feasible, cheap, has a shorter recovery time, and offers reduced morbidity and mortality...
July 24, 2018: Thoracic Cancer
https://www.readbyqxmd.com/read/30033492/current-concepts-and-future-directions-of-minimally-invasive-treatment-for-knee-pain
#9
REVIEW
Daryl T Goldman, Rachel Piechowiak, Daniel Nissman, Sandeep Bagla, Ari Isaacson
PURPOSE OF REVIEW: The purpose of this paper is to review the percutaneous interventions available for the treatment of osteoarthrosis of the knee that address pain and prolong the time to arthroplasty. RECENT FINDINGS: Corticosteroid injection and viscosupplementation have been the most studied, but there is still no consensus about their value. Thermal nerve ablation, including both radiofrequency ablation and cryoneurolysis, is a promising new modality of therapy that may increase in clinical use given current data showing favorable outcomes...
July 23, 2018: Current Rheumatology Reports
https://www.readbyqxmd.com/read/30032841/ct-guided-percutaneous-radiofrequency-ablation-for-lung-neoplasms-adjacent-to-the-pericardium
#10
Luwen Mu, Tao Pan, Ning Lyu, Lin Sun, Shaolong Li, Qiankun Xie, Haijing Deng, Peihong Wu, Hui Liu, Ming Zhao
OBJECTIVE: To assess the safety and effectiveness of computed-tomography-guided (CT-guided) percutaneous radiofrequency ablation (RFA) for lung neoplasms adjacent to the pericardium. MATERIALS AND METHODS: This retrospective study was approved by the institutional ethics committee, and all patients provided written informed consent. Between January 1, 2012 and March 31, 2016, 49 consecutive patients (32 men and 17 women; mean age 47.9 years; range 16-67 years) with 51 tumors (mean diameter 17...
August 2018: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/30030546/-image-guided-minimally-invasive-surgery-and-other-local-therapeutic-procedures-for-primary-liver-tumors
#11
REVIEW
D L Stippel, R Wahba, C J Bruns, A Bunck, C Baues, T Persigehl
BACKGROUND: The incidence of primary liver tumors is rising. Modern minimally invasive, image-guided procedures offer a potentially curative therapy option. OBJECTIVE: The aim of this study was to evaluate the multitude of image-guided minimally invasive procedures concerning their evidence-based effect on local tumor control and overall survival. MATERIAL AND METHODS: A systematic search of MEDLINE focused on hepatocellular cancer, minimally invasive treatment, local ablative therapy, therapeutic stratification and comparative studies was performed...
July 20, 2018: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/30025486/comparative-efficacy-and-safety-between-ablative-therapies-or-surgery-for-small-hepatocellular-carcinoma-a-network-meta-analysis
#12
Gui-Qi Zhu, Min Sun, Wei-Ting Liao, Wei-Hua Yu, Shao-Lai Zhou, Zheng-Jun Zhou, Ying-Hong Shi, Jia Fan, Jian Zhou, Li-Xin Qiu, Zhi Dai
BACKGROUND: Major treatments for small hepatocellular carcinoma (SHCC) include percutaneous ethanol injection (PEI), percutaneous acetic acid injection (PAI), radiofrequency ablation (RFA), or surgical resection (SR). We aimed to compare these therapies concerning with effectiveness and safety. METHODS: Cochrane Library, PubMed, and Embase were searched for randomized controlled studies (RCTs) from inception to 30 April 2017. Odds ratios (OR) for proportion dead (PD), local recurrence (LR) and adverse events (AEs)...
July 25, 2018: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/30017305/ablation-treatment-of-primary-and-secondary-liver-tumors-under-contrast-enhanced-ultrasound-guidance-in-field-practice-of-interventional-ultrasound-centers-a-multicenter-study
#13
Giampiero Francica, Maria Franca Meloni, Laura Riccardi, Ilario de Sio, Fulvia Terracciano, Eugenio Caturelli, Maddalena Diana Iadevaia, Annabianca Amoruso, Paola Roselli, Jason Chiang, Mariano Scaglione, Maurizio Pompili
The present retrospective study was aimed at characterizing the clinical impact of contrast-enhanced ultrasound (CEUS) as a guidance technique for ablation of primary and secondary liver tumors at six interventional ultrasound centers. 148 patients (103M/45F, median age 74 yrs.) with 151 liver target lesions (median size 15 mm, 86.7% Hepatocellular Carcinomas) in whom CEUS guidance was used for Percutaneous Ethanol Injection (35.2%), Radiofrequency (46.3%) and Microwave (18.5%) were selected during the period 2008-2016...
August 2018: European Journal of Radiology
https://www.readbyqxmd.com/read/30014252/intra-caval-percutaneous-radiofrequency-ablation-for-a-neuroendocrine-tumor-net-metastasis-in-transplanted-liver
#14
Anna Maria Ierardi, Pierpaolo Biondetti, Barbara Padovano, Alberto Magenta Biasina, Marco Bongini, Gianpaolo Carrafiello
Less than 1% of patients with liver metastases from neuroendocrine tumors (NETs) are susceptible to liver transplantation. We report a case of a patient transplanted 13 years ago for NET metastases, with a lesion histologically proved for NET metastasis located at the cava vein anastomosis. He was treated with percutaneous radiofrequency ablation (RFA) after a first failed attempt of endovascular approach. The vascular heat sink, which RFA is susceptible to, was considered an advantage in this case, since it restricted the propagation of heat only to the tissue located in the very proximity of the RFA antenna, protecting the inferior vena cava vessel walls...
July 16, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/30013957/percutaneous-radiofrequency-ablation-of-small-1-2-cm-hepatocellular-carcinomas-inconspicuous-on-b-mode-ultrasonographic-imaging-usefulness-of-combined-fusion-imaging-with-mri-and-contrast-enhanced-ultrasonography
#15
Min Woo Lee, Hyo Keun Lim, Hyunchul Rhim, Dong Ik Cha, Tae Wook Kang, Kyoung Doo Song, Ji Hye Min, Geum-Youn Gwak, Seonwoo Kim, David S K Lu
Purpose: To assess usefulness of adding contrast-enhanced ultrasonography (CEUS) to fusion imaging (FI) for percutaneous radiofrequency ablation (RFA) of hepatocellular carcinomas (HCCs) inconspicuous on FI alone. Therapeutic outcomes of RFA under CEUS-added FI guidance for HCCs inconspicuous on FI alone were also evaluated. Methods: This prospective study was approved by the institutional review board and informed consent was obtained from all patients. Planning US was performed with FI for 126 patients with a single HCC (1-2 cm) to evaluate the feasibility of RFA by grading lesion conspicuity score using a four-point scale...
2018: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/30011044/somatotopy-and-organization-of-spinothalamic-tracts-in-the-human-cervical-spinal-cord
#16
Aditya Vedantam, Eduardo Bruera, Kenneth R Hess, Patrick M Dougherty, Ashwin Viswanathan
BACKGROUND: Understanding spinothalamic tract anatomy may improve lesioning and outcomes in patients undergoing percutaneous cordotomy. OBJECTIVE: To investigate somatotopy and anatomical organization of spinothalamic tracts in the human cervical spinal cord. METHODS: Patients with intractable cancer pain undergoing cordotomy underwent preoperative and postoperative quantitative sensory testing for sharp pain and heat pain on day 1 and 7 after cordotomy...
July 13, 2018: Neurosurgery
https://www.readbyqxmd.com/read/30008763/left-atrial-compliance-an-overlooked-predictor-of-clinical-outcome-in-patients-with-mitral-stenosis-or-atrial-fibrillation-undergoing-invasive-management
#17
REVIEW
Joanna B Hrabia, Elahn P L Pogue, Alexander G Zayachkowski, Dorota Długosz, Olga Kruszelnicka, Andrzej Surdacki, Bernadeta Chyrchel
In the assessment of cardiovascular disease, the clinical significance of left atrial (LA) pressure-volume relations has largely been overlooked in contrast to left ventricular (LV) compliance. However, LA compliance has recently gained more attention. Net atrioventricular compliance ( Cn ), a joint measure of LA and LV compliance, can be calculated non-invasively by a previously validated method using parameters from standard echocardiography. Compliance measurement may be of relevance in selected clinical settings...
2018: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/30006204/outcome-of-percutaneous-radiofrequency-thoracic-sympathectomy-for-palmar-hyperhidrosis
#18
Flávio Ramalho Romero, Daniele Cristina Cataneo, Antonio José Maria Cataneo
OBJECTIVES: To evaluate the impact of upper thoracic percutaneous sympathectomy with radiofrequency on quality of life of patients with palmar hyperhidrosis METHODS: Thirty-six patients with palmar hyperhidrosis were selected for a prospective observational study. Treatment consisted of percutaneous radiofrequency thoracic sympathectomy of T3 and T4 ganglions in all cases. Quality of life questionnaires were applied preoperatively, on the 1st postoperative day, and on the 30th, 90th, 180th and 360th postoperative days...
July 10, 2018: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/30002753/radiofrequency-ablation-of-small-renal-masses-in-comorbid-patients
#19
Jerzy Siekiera, Milosz Jasinski, Witold Mikołajczak
Introduction: Over the recent years, the progress in imaging techniques has led to increased detection of small renal masses (SRMs), including in elderly and high-risk patients. Partial nephrectomy (nephron-sparing surgery - NSS), the current standard of care in T1a kidney tumours, has some limitations in patients who are poor candidates for surgery, as it is associated with potential perioperative complications and possible renal function loss. Radiofrequency ablation (RFA), a minimally invasive method that can be performed percutaneously, is an option in such cases...
June 2018: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/29999436/percutaneous-ablation-of-the-tumor-feeding-artery-for-hypervascular-hepatocellular-carcinoma-before-tumor-ablation
#20
Zhong-Yi Zhang, Jung-Chieh Lee, Wei Yang, Kun Yan, Wei Wu, Yan-Jie Wang, Min-Hua Chen
OBJECTIVE: To evaluate the efficiency and safety of percutaneous ablation of the tumor feeding artery (PAA) before radiofrequency ablation (RFA) for hypervascular hepatocellular carcinoma (HCC) under ultrasound guidance. PATIENTS AND METHODS: In total, 94 patients with hypervascular HCC and tumor feeding artery visible by contrast-enhanced ultrasound were prospectively randomized to receive either PAA combined with RFA (RFA + PAA) or RFA alone. This study was registered at the clinical trials registry website (No...
July 12, 2018: International Journal of Hyperthermia
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