نتایج جستجو برای: radiofrequency ablation

تعداد نتایج: 58624  

2013
Matthew David VanderHoek Hieu T Hoang Brandon Goff

Occipital neuralgia is a condition manifested by chronic occipital headaches and is thought to be caused by irritation or trauma to the greater occipital nerve (GON). Treatment for occipital neuralgia includes medications, nerve blocks, and pulsed radiofrequency ablation (PRFA). Landmark-guided GON blocks are the mainstay in both the diagnosis and treatment of occipital neuralgia. Ultrasound is...

Journal: :Physics in medicine and biology 2007
M J Daniels T Varghese E L Madsen J A Zagzebski

Minimally invasive therapies (such as radiofrequency ablation) are becoming more commonly used in the United States for the treatment of hepatocellular carcinomas and liver metastases. Unfortunately, these procedures suffer from high recurrence rates of hepatocellular carcinoma ( approximately 34-55%) or metastases following ablation therapy. The ability to perform real-time temperature imaging...

2017
Chunli Li Libo Jia Zhenzhou Wang Ling Niu Xinjiang An

The aim of this study was to investigate the efficacy of radiofrequency ablation in the treatment of pediatric arrhythmia and to assess the changes in serum interleukin-6 (IL-6) and hs-CRP levels after treatment. Hundred and six children with tachyarrhythmia who were admitted to Xuzhou Children's Hospital from November, 2014 to December, 2015 were recruited for study. The efficacies of radiofre...

Journal: :the journal of tehran university heart center 0
pouya nezafati1 student research committee, mashhad university of medical sciences, mashhad, iran. mashhad university of medical sciences mohammadhassan emam reza academic hospital mohammad moshiri school of pharmacy, mashhad university of medical sciences, mashhad, iran.

background: about half of all patients who undergo mitral valve surgery suffer from atrial fibrillation (af). cox described the surgical cut-and-sew maze procedure, which is an effective surgical method but has some complications. this study was designed to evaluate the efficacy of a substitution method of radiofrequency ablation (rfa) for patients undergoing mitral valve surgery with af. metho...

Journal: :International journal of clinical and experimental medicine 2015
Qiming Dai Jing Lu Benwen Wang Genshan Ma

This study aimed to investigate the clinical feasibility and effects of percutaneous renal sympathetic nerve radiofrequency ablation in patients with heart failure. A total of 20 patients with heart failure were enrolled, aged from 47 to 75 years (63±10 years). They were divided into the standard therapy (n = 10), and renal nerve radiofrequency ablation groups (n = 10). There were 15 males and ...

Journal: :Academic radiology 2011
Cary Siegel

RATIONALE AND OBJECTIVES Cancer of the kidney is the third most common cancer of the urinary tract, and renal cell carcinoma is the most lethal of all genitourinary tumors. The incidental discovery of renal cell carcinoma has increased with increased use of cross-sectional imaging. Concomitantly, minimally invasive ablative technologies, including image-guided cryoablation, radiofrequency ablat...

2011
Tze Min Wah

INTRODUCTION This report highlights a rare cause of chyluria occurring after radiofrequency ablation of a renal cell carcinoma. The condition requires a high index of suspicion, as it may not be diagnosed routinely on imaging follow-up after treatment. As chyluria can vary from no symptoms to hypoproteinemia, hypolipidemia and impaired immune function, prompt diagnosis will allow timely managem...

Journal: :Journal of the American College of Cardiology 1999
P Chevalier L Bontemps M Fatemi S Velon E Bonnefoy G Kirkorian R Itti P Touboul

OBJECTIVES This study was designed to prospectively evaluate the effects of radiofrequency ablation in Wolff-Parkinson-White (WPW) syndrome by scintigraphic analysis. BACKGROUND The functional changes triggered by radiofrequency current ablation of atrioventricular accessory pathways are not fully known. METHODS Forty-four patients with WPW syndrome were consecutively investigated before an...

2016
Hyun-Jin Kim Hae-Kag Lee Jae-Hwan Cho

OBJECTIVES To analyze the comparison between the treatment area of 15Gage internally cooled electrodes and 17 Gage Cool Wet-tip(CWT) electrodes. They are manufactured to broaden treatment area of the tumor in the radiofrequency ablation of hepatocellular carcinoma(HCC). METHODS The study was designed for 62 patients with a mean age of 61, ranging from 44 to 87 years. The sample comprised of p...

Journal: :Therapeutics and clinical risk management 2016
Zhen-Xin He Pu Xiang Jian-Ping Gong Nan-Sheng Cheng Wei Zhang

AIM To compare the long-term survival outcomes of radiofrequency ablation and liver resection for single very early/early stage hepatocellular carcinoma (HCC). METHODS The Cochrane Library (Issue 3, 2015), Embase (1974 to March 15, 2015), PubMed (1950 to March 15, 2015), Web of Science (1900 to March 15, 2015), and Chinese Biomedical Literature Database (1978 to March 15, 2015) were searched ...

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