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Radiofrequency Surgery

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121. Safety and Effectiveness Evaluation of the Multi-Electrode Radiofrequency Balloon Catheter for the Treatment of Symptomatic Paroxysmal Atrial Fibrillation

Safety and Effectiveness Evaluation of the Multi-Electrode Radiofrequency Balloon Catheter for the Treatment of Symptomatic Paroxysmal Atrial Fibrillation Safety and Effectiveness Evaluation of the Multi-Electrode Radiofrequency Balloon Catheter for the Treatment of Symptomatic Paroxysmal Atrial Fibrillation - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail (...) Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more. Safety and Effectiveness Evaluation of the Multi-Electrode Radiofrequency Balloon Catheter for the Treatment of Symptomatic Paroxysmal Atrial Fibrillation (STELLAR) The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal

2018 Clinical Trials

122. Carbon Dioxide Laser Microsurgery versus Low-Temperature Plasma Radiofrequency Ablation for T1a Glottic Cancer: A Single-Blind Randomized Clinical Trial. (PubMed)

Carbon Dioxide Laser Microsurgery versus Low-Temperature Plasma Radiofrequency Ablation for T1a Glottic Cancer: A Single-Blind Randomized Clinical Trial. Very few studies have been conducted to compare carbon dioxide laser microsurgery (CO2-LS) with low-temperature plasma radiofrequency ablation (LTP-RFA) in treating T1a glottic cancer. Therefore, we conducted this study to compare the efficacy of CO2-LS and LTP-RFA to define a superior therapeutic modality for T1a glottic cancer.Patients (n (...) =131) with T1a glottic cancer were recruited between January 2010 and September 2014. The included patients were randomly assigned to either receive CO2-LS (n=65) or LTP-RFA (n=66). We conducted the following multidimensional vocal assessments: (i) videostroboscopic evaluation; (ii) auditory-perceptual evaluation; (iii) aerodynamics/ efficiency; (iv) acoustics; and (v) self-assessment questionnaires. Meanwhile, the surgery time and three-year overall survival rates in two groups were recorded

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2018 BioMed research international

123. Radiofrequency ablation with systemic chemotherapy in the treatment of colorectal cancer liver metastasis: a 10-year single-center study (PubMed)

Radiofrequency ablation with systemic chemotherapy in the treatment of colorectal cancer liver metastasis: a 10-year single-center study To retrospectively evaluate the long-term efficacy and safety of radiofrequency ablation (RFA) with systemic chemotherapy (CT) in treatment of solitary liver metastasis after surgery for colorectal cancer (CRC).This single-center study was conducted at the Hunan Provincial Cancer Hospital from June 2006 to December 2015 with median follow-up time of 26 months (...) . Percutaneous ultrasound-guided RFA was carried out on eligible patients with solitary liver metastasis after surgery for CRC. After a week, ablation status was confirmed by MRI. Post MRI, all patients received systemic CT with or without molecular-targeted therapy. Survival rate was evaluated and survival curve was constructed with Kaplan-Meier analysis. Log-rank test and Cox regression model were used for univariate and multivariate analysis, respectively, to determine the independent prognostic factors

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2018 Cancer management and research

124. Pretreatment Inflammation-Based Markers Predict Survival Outcomes in Patients with Early Stage Hepatocellular Carcinoma After Radiofrequency Ablation (PubMed)

Pretreatment Inflammation-Based Markers Predict Survival Outcomes in Patients with Early Stage Hepatocellular Carcinoma After Radiofrequency Ablation The prognostic significance of various systemic inflammation-based markers has been explored in different cancers after surgery. This study aimed to investigate whether these markers could predict outcomes in patients with early-stage hepatocellular carcinoma (HCC) undergoing radiofrequency ablation (RFA). One hundred eighteen patients with newly

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2018 Scientific reports

125. Prolonged-duration pulsed radiofrequency is associated with increased neuronal damage without further antiallodynic effects in neuropathic pain model rats (PubMed)

Prolonged-duration pulsed radiofrequency is associated with increased neuronal damage without further antiallodynic effects in neuropathic pain model rats Pulsed radiofrequency (PRF) is a safe and effective approach for treating neuropathic pain. However, the optimal treatment conditions and analgesic mechanisms of PRF remain unclear. The aim of our study was to assess the beneficial and adverse effects of prolonged-duration PRF and the analgesic mechanisms of PRF treatment with neuropathic (...) pain rats.Male Sprague Dawley rats received L5 spinal nerve ligation (SNL) for developing neuropathic pain. Fourteen days after L5 SNL surgery, they were divided into three groups according to duration of PRF current for 6 minutes, 12 minutes, and none. PRF current was delivered via direct visualization adjacent to the L5 dorsal root ganglion (DRG). Pain behavior was evaluated every week after L5 SNL surgery, until day 28. Seven days after PRF treatment, L5 DRG tissue was harvested to detect levels

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2018 Journal of pain research

126. Clinical effect and safety of pulsed radiofrequency treatment for pudendal neuralgia: a prospective, randomized controlled clinical trial (PubMed)

Clinical effect and safety of pulsed radiofrequency treatment for pudendal neuralgia: a prospective, randomized controlled clinical trial Pudendal neuralgia is an intractable pain related to the pudendal nerve. The clinical effect and safety evaluation of pudendal neuralgia were investigated by pulse radiofrequency (PRF) treatment of pudendal nerve.Eighty patients who were diagnosed with pudendal neuralgia were randomly divided into PRF group (PRF and pudendal nerve block [NB]) and NB group (...) . After surgery, the patients were followed up to evaluate the visual analog scale (VAS) score and the Patient Health Questionnaire score on the postoperative day and at 2 weeks, 1 and 3 months. Meanwhile, the patients' efficacy assessment and the usage of pain medication were also recorded for 3 months during follow-up. All the surgical complications were recorded.A total of 77 patients were followed up, 38 in the PRF group and 39 in the NB group. On the postoperative day, the VAS scores

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2018 Journal of pain research

127. Perforation of the esophagus due to thermal injury after laparoscopic radiofrequency ablation for hepatocellular carcinoma: a case for caution (PubMed)

Perforation of the esophagus due to thermal injury after laparoscopic radiofrequency ablation for hepatocellular carcinoma: a case for caution Several reported complications associated with radiofrequency ablation for liver tumors are due to thermal damage of neighboring organs. We herein report a first case of esophageal perforation due to thermal injury of laparoscopic radiofrequency ablation (RFA).A 75-year-old woman was treated repeatedly with RFA (percutaneous and laparoscopic (...) ) and transcatheter arterial chemoembolization for hepatocellular carcinoma. One week after laparoscopic RFA for recurrent HCC located in segment 2 of the liver, dysphagia and thoracic pain occurred. Upper gastrointestinal endoscopy revealed a perforated esophageal ulcer at the esophago-gastric junction. Inflammation was localized because of severe intra-abdominal adhesion due to repeat surgery, so we decided to treat the patient conservatively. The perforation of the esophagus gradually scarred, and exacerbation

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2018 Surgical Case Reports

128. Radiofrequency Ablation Followed by Surgical Excision versus Lumpectomy for Early Stage Breast Cancer: A Randomized Phase II Clinical Trial. (PubMed)

] vs 5% [one of 20 participants], respectively; P = .01). Local infection occurred in three participants who underwent RFA (two of whom had undergone partial irradiation of the breast). None of the participants in the control group developed local infection. No participants had recurrence or the need for a second surgery during the study period. Conclusion This preliminary study showed that radiofrequency ablation was effective for local tumor control and that tumor-free margins were obtained more (...) Radiofrequency Ablation Followed by Surgical Excision versus Lumpectomy for Early Stage Breast Cancer: A Randomized Phase II Clinical Trial. Purpose To compare the safety and efficacy of US-guided percutaneous radiofrequency ablation (RFA) as a local treatment for breast cancer with that of lumpectomy. Materials and Methods A prospective, randomized open-label phase II clinical trial (clinicaltrials.gov identification number NCT02281812) was conducted in a single institution from 2013 to 2017

2018 Radiology

129. Percutaneous radiofrequency ablation versus open surgical resection for spinal osteoid osteoma. (PubMed)

Percutaneous radiofrequency ablation versus open surgical resection for spinal osteoid osteoma. Both open surgical resection (OSR) and radiofrequency ablation (RFA) have been reported for spinal osteoid osteoma (OO).To verify the clinical safety and efficiency of RFA with OSR in treating spinal OO.Retrospective cohort study.Twenty-eight consecutive patients with spinal OO who underwent either RFA or OSR in our institute between September 2006 and December 2016.The age, gender, lesion (...) distribution, surgical time, estimated blood loss, complications, local recurrence, visual analogue scale (VAS), and the modified Frankel grade were documented.We retrospectively reviewed 28 patients with spinal OO who had been treated in our hospital from September 2006 to December 2016. Patients were followed at 3, 6, 12, and 24 months after the index surgery. The minimum follow-up period was 12 months. This study was funded by Peking University Third Hospital (Y71508-01) (¥ 400,000).Twelve and 16

2018 The Spine Journal

130. Efficacy of limited hippocampal radiofrequency thermocoagulation for mesial temporal lobe epilepsy. (PubMed)

Efficacy of limited hippocampal radiofrequency thermocoagulation for mesial temporal lobe epilepsy. OBJECTIVERadiofrequency thermocoagulation (RFTC), which has been developed for drug-resistant epilepsy patients, involves less brain tissue loss due to surgery, fewer surgical adverse effects, and generally good seizure control. This study demonstrates the effectiveness of RFTC performed at limited hippocampal locations.METHODSDaily seizure diaries were prospectively maintained for at least 6 (...) postoperatively and at the 3-month follow-up. Monthly outpatient clinic visits were arranged over 6 months to document seizure frequency and severity to clarify the changes noted in imaging studies and EEG patterns.RESULTSTwo patients were excluded from our analysis because one had undergone multiple seizure surgeries and the other had a poor recording of seizure frequency, before the RFTC surgery. Five and two patients underwent left-sided and right-sided RFTC, respectively. None of the patients had

2018 Journal of Neurosurgery

131. Direct Posterior Bipolar Cervical Facet Radiofrequency Rhizotomy: A Simpler and Safer Approach to Denervate the Facet Capsule (PubMed)

Direct Posterior Bipolar Cervical Facet Radiofrequency Rhizotomy: A Simpler and Safer Approach to Denervate the Facet Capsule Radiofrequency cervical rhizotomy has been shown to be effective for the relief of chronic neck pain, whether it be due to soft tissue injury, cervical spondylosis, or post-cervical spine surgery. The target and technique have traditionally been taught using an oblique approach to the anterior lateral capsule of the cervical facet joint. The goal is to position (...) or vertebral artery. The direct posterior approach presented allows electrode positioning over a broader expanse of the facet joint without risk to the nerve root or vertebral artery. Over a four-year period, direct posterior radiofrequency ablation was performed under fluoroscopic guidance at multiple levels without neuro-stimulation testing with zero procedural neurologic events even as high as the C2 spinal segment. The direct posterior approach allows either unipolar or bipolar lesioning at multiple

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2018 Cureus

132. Radiofrequency ablation of small renal masses in comorbid patients (PubMed)

Radiofrequency ablation of small renal masses in comorbid patients 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.To present our experience in treatment of SRMs using RFA in comorbid patients.In the years 2006-2012, 103 percutaneous, ultrasound-guided RFA procedures were performed in the Oncology Centre in Bydgoszcz in patients with an ASA score ≥ 3. Abdominal computed tomography and tumour biopsy were performed before the procedure. The average follow-up time was 46 months.The 1, 3

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2018 Videosurgery and other Miniinvasive Techniques

133. Medial Branch Radiofrequency Ablation and Lumbar Multifidi

Medial Branch Radiofrequency Ablation and Lumbar Multifidi Medial Branch Radiofrequency Ablation and Lumbar Multifidi - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more. Medial Branch Radiofrequency Ablation (...) provided by (Responsible Party): Clark Smith, Columbia University Study Details Study Description Go to Brief Summary: The purpose of this study is to evaluate the effects of lumbar medial branch radiofrequency ablation (RFA) on lumbar multifidi muscle size and clinical spinal stability. Specifically, this study is designed to highlight the comparison of multifidi muscle architecture using ultrasound imaging (USI) and MRI before and after lumbar medial branch RFA. This study will also include

2018 Clinical Trials

134. Radiofrequency ablation in a patient with radiation enteritis: A case report. (PubMed)

patient received surgery and chemotherapy for rectal cancer and radiofrequency ablation (RFA) for a single metastatic carcinoma of the liver. Three years later, he was diagnosed with recurrent lesion in the rectal anastomotic stoma and was treated with radiotherapy with a total dose of 70 Gy. Following this, he had persistent abdominal pain and diarrhea for 1 year.Colonoscopy confirmed a diagnosis of RE.Since intestinal probiotics, intestinal mucosal protectants, antidiarrheal drugs, and other (...) Radiofrequency ablation in a patient with radiation enteritis: A case report. Radiation enteritis (RE) is one of the serious complications caused by the radiotherapy and it can occur in any segment of the intestine, including small intestine, colon, and rectum. It can cause a number of serious problems of the intestine, such as chronic ulcers, bleeding, intestinal stenosis, intestinal fistula, and perforation. At present, there is no standard treatment guideline for the RE.A 54-year-old male

2018 Medicine

135. Radiofrequency Ablation for Amiodarone-induced Thyrotoxicosis

Radiofrequency Ablation for Amiodarone-induced Thyrotoxicosis Radiofrequency Ablation for Amiodarone-induced Thyrotoxicosis - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more. Radiofrequency Ablation (...) to respond to medical therapy or have developed side effects from medical therapy or are considered high risk for such therapy. These patients will be offered the option to undergo radiofrequency ablation (RFA) of a portion of the thyroid gland in order to decrease thyroid hormone production and/or to inactive the existing thyroid hormone store before their leakage into the circulation. Investigators will follow these patients to assess their clinical response as well as their thyroid values. The safety

2018 Clinical Trials

136. Unconventional Facial Entry Points Confirmed Using a 3D CT Reconstruction-Guided Stereotactic Approach to Radiofrequency Thermocoagulation for the Treatment of Trigeminal Neuralgia: A Series of Case Reports. (PubMed)

of the facial entry point is suboptimal.Three-dimensional computed tomography reconstruction imaging performed before surgery revealed anatomical variations in each of the four adult patient cases that made it more difficult to successfully access the foramen ovale (FO) for percutaneous radiofrequency thermocoagulation. Using measurements collected from preoperative imaging that showed each specific anatomical variation in the FO, researchers marked alternate facial entry points that would allow successful (...) Unconventional Facial Entry Points Confirmed Using a 3D CT Reconstruction-Guided Stereotactic Approach to Radiofrequency Thermocoagulation for the Treatment of Trigeminal Neuralgia: A Series of Case Reports. Patients with trigeminal neuralgia who are refractory to medical therapy may choose to undergo Gasserian ganglion percutaneous radiofrequency thermocoagulation. However, in cases where the foramen ovale is difficult to access due to various anatomical anomalies, the typical estimation

2018 Pain Medicine

137. Cardiac tamponade after radiofrequency ablation for hepatocellular carcinoma: Case report and literature review. (PubMed)

Cardiac tamponade after radiofrequency ablation for hepatocellular carcinoma: Case report and literature review. Radiofrequency ablation (RFA) is a safe and effective local treatment modality with a low complication rate and is commonly used to treat hepatocellular carcinoma (HCC). The clinical outcome of RFA may be closely related to the location, size, and shape of index tumors, and major complications, including hemorrhage, liver abscess, infarction, visceral organ perforation, hemothorax (...) in segment IVa of left hepatic lobe. As the patient was at high risk for surgery because of poor lung function, RFA was selected as the treatment of choice. The index tumor was located in the vicinity of the diaphragm and colon. During RFA procedure, thermal injury to the adjacent diaphragm and colon was minimized by introducing artificial ascites. Bleeding or tumoral seeding was prevented by ablating the electrode track during electrode retraction.Two hours after RFA, the patient presented with dyspnea

2018 Medicine

138. A Comparison of Radiofrequency-Based Microtenotomy and Arthroscopic Release of the Extensor Carpi Radialis Brevis Tendon in Recalcitrant Lateral Epicondylitis: A Prospective Randomized Controlled Study. (PubMed)

A Comparison of Radiofrequency-Based Microtenotomy and Arthroscopic Release of the Extensor Carpi Radialis Brevis Tendon in Recalcitrant Lateral Epicondylitis: A Prospective Randomized Controlled Study. To compare the clinical effects of radiofrequency (RF)-based microtenotomy and arthroscopic release of the extensor carpi radialis brevis (ECRB) tendon in patients with recalcitrant lateral epicondylitis through a prospective randomized controlled study.A total of 46 patients were randomly (...) with their preoperative grip strength and DASH, VAS, and MEPS scores at 2 years after surgery (P < .05). There were no differences in postoperative pain relief or functional restoration between the 2 groups during the recovery phases, however the mean operation time for group B (41.4 ± 5.2 minutes) was significantly shorter than that for group A (15.6 ± 3.6 minutes, P < .001). In group B, 1 patient underwent revision surgery due to postoperative ECRB rupture, and 1 patient in group A underwent open release

2018 Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association

139. A Comparison of Radiofrequency-Based Microtenotomy and Arthroscopic Release of the Extensor Carpi Radialis Brevis Tendon in Recalcitrant Lateral Epicondylitis: A Prospective Randomized Controlled Study. (PubMed)

A Comparison of Radiofrequency-Based Microtenotomy and Arthroscopic Release of the Extensor Carpi Radialis Brevis Tendon in Recalcitrant Lateral Epicondylitis: A Prospective Randomized Controlled Study. To compare the clinical effects of radiofrequency (RF)-based microtenotomy and arthroscopic release of the extensor carpi radialis brevis (ECRB) tendon in patients with recalcitrant lateral epicondylitis through a prospective randomized controlled study.A total of 46 patients were randomly (...) with their preoperative grip strength and DASH, VAS, and MEPS scores at 2 years after surgery (P < .05). There were no differences in postoperative pain relief or functional restoration between the 2 groups during the recovery phases, however the mean operation time for group B (41.4 ± 5.2 minutes) was significantly shorter than that for group A (15.6 ± 3.6 minutes, P < .001). In group B, 1 patient underwent revision surgery due to postoperative ECRB rupture, and 1 patient in group A underwent open release

2018 Arthroscopy

140. Comparison of the effects of radiofrequency ablation and microdebrider reduction on nasal physiology in lower turbinate surgery. (PubMed)

Comparison of the effects of radiofrequency ablation and microdebrider reduction on nasal physiology in lower turbinate surgery. This study aims to compare the effects of radiofrequency ablation and microdebrider reduction in lower turbinate surgery on nasal physiology.Between January 2009 and March 2010, 40 patients with the complaint of nasal obstruction, who were diagnosed with lower turbinate hypertrophy, were randomly assigned into two groups to undergo either radiofrequency (group 1, n=20 (...) ) measurements without decongestant application showed significant increase in postoperative MCA2 (Minimum Cross-sectional Area/cm2 2) and Vol 2 (Volume/cm3 2) (p<0.01), while there was no significant change in MCA1 (Minimum Cross-sectional Area/cm2 1) and Vol 1 (Volume/cm3 1). There was no statistically significant difference between the two groups with respect to ARM and anterior rhinoscopy (AnR) parameters (p>0.05).Based on these results, both radiofrequency ablation and microdebrider reduction may

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2016 Kulak burun bogaz ihtisas dergisi : KBB = Journal of ear, nose, and throat

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