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Radiofrequency Surgery

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3741. Radiofrequency Ablation of Spinal Osteoid Osteoma: Clinical Outcome. (Abstract)

Radiofrequency Ablation of Spinal Osteoid Osteoma: Clinical Outcome. A prospective study on 24 patients with spinal osteoid osteoma treated with radiofrequency ablation (RFA).To determine if and when computed tomography (CT)-guided RFA is a safe and effective treatment for spinal osteoid osteomas.Surgery has been considered the standard treatment for spinal osteoid osteomas. Surgery may cause spinal instability, infection, and nervous injury. We evaluated CT-guided RFA as an alternative (...) further surgery. No complications were observed. Spinal deformity persisted in 3 of 7 patients after successful RFA.CT-guided RFA is a safe and effective treatment for spinal osteoid osteoma. Surgery should be reserved for lesions causing nerve root compression.

2009 Spine

3742. Leg ulcer treatment. Full Text available with Trip Pro

, benefit from superficial venous surgery. This does not speed ulcer healing but is effective at preventing recurrence after healing with compression. Minimally invasive methods of managing incompetence of superficial saphenous trunks, including endovenous laser ablation, radiofrequency ablation, and foam sclerotherapy are probably also effective in treating patients with venous leg ulcers. Perforating vein ligation is commonly combined with superficial venous surgery for leg ulcer patients

2009 Journal of Vascular Surgery

3743. The safety of radiofrequency ablation of the great saphenous vein in patients with previous venous thrombosis. Full Text available with Trip Pro

The safety of radiofrequency ablation of the great saphenous vein in patients with previous venous thrombosis. The safety of radiofrequency ablation (RFA) of the great saphenous vein (GSV) in patients with previous history of deep venous thrombosis (DVT) has not been determined.From April 2003 to June 2006, 274 patients (68% women; mean age, 60 years +/- 15 years) underwent 293 consecutive RFA procedures. In the first 15 months, the temperature probe was maintained at 85 degrees C (...) a history of superficial thrombophlebitis (SVT). Proximal mean GSV diameter was 0.95 +/- 0.29 cm (range, 0.4-2.3 cm). Concomitant procedures included avulsion phlebectomy in 88 limbs (30%) and perforator vein surgery in 4 (1%).AT events after RFA were detected in 38 limbs (13%), including thrombus protrusion into the sapheno-femoral junction (SFJ) in 24 (8%), common femoral vein in 7 (2.5%), and calf vein DVT in 7 (2.5%). Overall incidence of AT events in limbs with and without evidence of previous DVT

2009 Journal of Vascular Surgery

3744. Chondroblastoma: Radiofrequency Ablation--Alternative to Surgical Resection in Selected Cases. Full Text available with Trip Pro

Chondroblastoma: Radiofrequency Ablation--Alternative to Surgical Resection in Selected Cases. To demonstrate that radiofrequency (RF) ablation can be used safely and effectively to treat selected cases of chondroblastoma.Approval was obtained from institutional review boards, research was in compliance with HIPAA protocol. The need to obtain informed consent was waived for retrospective review of patient records. The records of patients with biopsy-proved chondroblastoma who were treated (...) required surgical intervention because of collapse of the articular surface in the treatment area. Residual viable tumor was found at surgery. Another patient experienced mechanical problems that were thought to be unrelated to the RF ablation and was rendered pain-free after subsequent surgical treatment.Percutaneous RF ablation is an alternative to surgery for treatment of selected chondroblastomas. Larger lesions beneath weight-bearing surfaces should be approached with caution due to an increased

2009 Radiology

3745. Endoscopic Radiofrequency Ablation in Colorectal Cancer: Initial Clinical Results of a New Bipolar Radiofrequency Ablation Device. (Abstract)

Endoscopic Radiofrequency Ablation in Colorectal Cancer: Initial Clinical Results of a New Bipolar Radiofrequency Ablation Device. There are a number of alternative approaches to palliate cancers of the rectosigmoid, which may not be well tolerated or produce effective symptom relief. Therefore, there is a continuing need to develop alternative techniques for palliation. This paper reports our initial assessment of a new bipolar radiofrequency probe (Endoblate).Twelve patients with rectosigmoid (...) tumors were treated with Endoblate during transanal endoscopic microsurgery. In ten patients, this was followed by surgical resection and two patients were treated with Endoblate alone. This study was designed to assess the technical utility of the device, immediate complications, and histologic effect.There were no technical problems. In the patients who had resection of the tumor immediately after ablation (n = 10), there were no local complications evident at surgery. Histology of the resected

2009 Diseases of the Colon & Rectum

3746. Complications of Laparoscopic Surgery for Renal Masses: Prevention, Management, and Comparison with the Open Experience. (Abstract)

transfusion. Laparoscopic-assisted ablative therapies (cryotherapy and radiofrequency) are being performed more commonly for the treatment of small exophytic renal lesions with a low complication rate and intermediate oncologic outcomes similar to LRN and LPN.Complications associated with the laparoscopic management of renal masses vary among the different procedures and with surgeon experience. The rate of complication appears to be similar to that of open surgery. (...) Complications of Laparoscopic Surgery for Renal Masses: Prevention, Management, and Comparison with the Open Experience. The initial excitement about the laparoscopic treatment of renal masses has been tempered by concerns related to increased operative time, technical complexity, and the suitability of laparoscopic approaches to oncologic surgery.To provide a comprehensive review of intraoperative and postoperative complications and their prevention and management during laparoscopic surgery

2009 European Urology

3747. A Quality Initiative to Decrease Pathology Specimen-Labeling Errors Using Radiofrequency Identification in a High-Volume Endoscopy Center. (Abstract)

A Quality Initiative to Decrease Pathology Specimen-Labeling Errors Using Radiofrequency Identification in a High-Volume Endoscopy Center. Our institution has had problems with mislabeling of tissue specimens in our gastrointestinal and colorectal surgery endoscopy units. Most labeling errors have been due to either the wrong patient label or no label being affixed to a specimen bottle. As a result, an initiative was created to reduce the number of specimen-labeling errors. This initiative (...) involved the application of radiofrequency identification (RFID) technology to specimen bottles, moving to a paperless pathology requisition system and confirmation of the correct site and correct patient by both the endoscopy nursing staff and the endoscopist for each specimen bottle.We reviewed the number of specimen-labeling errors from our endoscopy unit for the first 3 months of 2007, before the implementation of the initiative, and for the first 3 months of 2008, 6 months after the initiation

2009 American Journal of Gastroenterology

3748. Recent Trends in Cosmetic and Surgical Procedure Volumes in Dermatologic Surgery. (Abstract)

Recent Trends in Cosmetic and Surgical Procedure Volumes in Dermatologic Surgery. The number of cosmetic and noncosmetic surgical procedures performed by dermatologic surgeons has been rising rapidly, but there are few consistent data sources allowing procedure volumes to be tracked over time.American Society for Dermatologic Surgery member survey in 2001 to 2007 reporting cosmetic and noncosmetic procedural volumes (300-500 surgeons surveyed, response rate of 31-44%).In 2001, dermatologic (...) surgeons performed an estimated 3.4 million cosmetic and noncosmetic surgical procedures; in 2007, it was estimated that a total of 7.6 million procedures were performed (120.2% rate of growth between 2001 and 2007). The procedures with the greatest increase during this time period were soft tissue augmentation (405.0% increase), botulinum toxin injections (324.4% increase), and nonablative skin rejuvenation (laser, light, and radiofrequency sources) (330.7% increase). More modest increases were noted

2009 Dermatologic Surgery

3749. Long Term Results of Catheter Based Treatment of Pulmonary Atresia and Intact Ventricular Septum. (Abstract)

2007, 40 neonates underwent radiofrequency perforation. Median age at pulmonary valvotomy was 28 hours (range 1-147 hours) and median weight was 2925 g (range 1900-4400 g).Procedural success and complication rates; early-term and long-term follow-up results.The procedure was successful in 39 patients but 16 of them needed neonatal surgery. The overall mortality was 7.5%. At a median follow-up of 82 months, four patients underwent a bidirectional Glenn procedure, whereas all the other patients

2009 Heart

3750. Outcomes after surgical resection of cardiac sarcoma in the multimodality treatment era. Full Text available with Trip Pro

(median 22 months, range, 2-119 months), 12 patients were alive, with 7 tumor free. Among patients who underwent resection with curative intent and survived surgery (n = 24), median survival was 23.5 months (range 4-119 months). Patients who underwent surgical resection, radiofrequency ablation, or radiation treatment for tumor recurrence (local or metastatic, n = 7) had median survival of 47 months (range 16-119 months), whereas patients with no further intervention for recurrent disease (n = 7) had (...) palliative debulking performed. Cardiac explantation was necessary in 8 cases because of tumor location. Concomitant valve surgery (repair or replacement) or coronary artery bypass grafting was performed in 9 and 3 patients, respectively. Synchronous or staged resections of associated pulmonary metastases were performed in 6 and 2 patients, respectively. Operative mortality was 7.4% (2/27). Preoperative or postoperative chemotherapy was administered to 16 and 19 patients, respectively. At follow-up

2009 Journal of Thoracic and Cardiovascular Surgery

3751. Combined liver surgery and RFA for patients with gastroenteropancreatic endocrine tumors presenting with more than 15 metastases to the liver. Full Text available with Trip Pro

Combined liver surgery and RFA for patients with gastroenteropancreatic endocrine tumors presenting with more than 15 metastases to the liver. The aim of this study was to report the feasibility and early survival results of liver metastases (LM) resection combining cytoreductive surgery and radiofrequency ablation (RFA) during a one-step procedure, in patients presenting more than 15 bilateral LM from well-differentiated endocrine carcinoma. It is an extensive application of the current

2009 European Journal of Surgical Oncology

3752. Point: Minimally invasive bipolar radiofrequency ablation of lone atrial fibrillation: Early multicenter results. Full Text available with Trip Pro

Point: Minimally invasive bipolar radiofrequency ablation of lone atrial fibrillation: Early multicenter results. The treatment of lone atrial fibrillation can be a minimally invasive procedure using bipolar radiofrequency ablation technologies. Our objectives were to report on the safety and early efficacy of this novel therapeutic modality.At 3 North American institutions between February 2005 and August 2007, 100 patients underwent minimally invasive bilateral pulmonary vein isolation (...) , autonomic denervation, and left atrial appendage resection. The mean age was 65 +/- 11 years, and 70% were male. The median duration of atrial fibrillation was 5.0 years; atrial fibrillation was paroxysmal in 39 patients (39%), persistent in 29 patients (29%), and permanent in 32 patients (32%). Indications for surgery included failure of medical therapy or percutaneous ablation and severe symptoms. Mean follow-up was 13.6 +/- 8.2 months.The mean operative time was 253 +/- 65 minutes, and the median

2009 Journal of Thoracic and Cardiovascular Surgery

3753. Electrothermal treatment of thumb basal joint instability. (Abstract)

Electrothermal treatment of thumb basal joint instability. This study examined whether radiofrequency electrothermal treatment of thumb basal joint instability could produce clinical improvement and result in successful functional outcomes for patients.From August 2001 to April 2006, we treated 17 thumbs with symptomatic thumb basal joint instability using arthroscopic electrothermal shrinkage of the volar ligaments and joint capsule with a monopolar radiofrequency probe. The sample included 11 (...) men and 6 women with a mean age of 35.3 years (range, 20 to 60 years). All patients underwent regular clinical follow-up at a mean of 41 months (range, 24 to 80 months).Pain improved in all thumbs after surgery. Thumb pinch strength significantly improved in all thumbs after surgery (P < .01). All patients were satisfied with the results and returned to their preinjury activities.By use of the described method of arthroscopic electrothermal shrinkage of the volar ligaments and joint capsule

2009 Arthroscopy

3754. Prospective randomized comparison of left atrial and biatrial radiofrequency ablation in the treatment of atrial fibrillation. Full Text available with Trip Pro

Prospective randomized comparison of left atrial and biatrial radiofrequency ablation in the treatment of atrial fibrillation. The aim of this study was to compare, in patients with permanent atrial fibrillation (AF), the efficacy and safety of left atrial ablation with that of a biatrial procedure and to assess the risk factors for late failure of sinus rhythm restoration.Between January 2004 and January 2007, 299 consecutive patients underwent the radiofrequency ablation procedure for AF (...) associated with concomitant cardiac surgery. According to a prospective, open, and randomized trial, 149 patients underwent left atrial plus cavotricuspid isthmus ablation (left atrial group), while 150 patients underwent biatrial ablation (biatrial group). The postoperative and mid-term follow-up results were compared between the two groups. Both univariate and multivariate analyses were used to assess the risk factors for late recurrence of AF.There were seven in-hospital deaths (2.3%), including two

2009 European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery Controlled trial quality: uncertain

3755. Treatment of primary snoring using modified radiofrequency-assisted uvulopalatoplasty. (Abstract)

Treatment of primary snoring using modified radiofrequency-assisted uvulopalatoplasty. Snoring is a common complaint, especially among the elderly individuals. In the treatment of snoring, many options, surgical or nonsurgical, are available. In this randomized study, we used a modified technique including some components of radiofrequency-assisted uvulopalatoplasty (RAUP) and Uvulopalatopharyngoplasty UPPP (modified-RAUP, MRAUP) and RAUP in a control group. A total of 60 patients (58 male (...) and 2 female), 30 in each group (MRAUP and RAUP groups), with an average age of 38 +/- 9 years were included in the study. In the MRAUP group, in addition to the modified surgery, preoperative steroid injection was used as a preemptive analgesic and pre-incisional steroid injection and closure of the edges of the incision were performed to achieve better relief of pain. Snoring score, pain at rest and during swallowing, analgesic consumption and speech score were evaluated using standard 10 cm

2009 European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery Controlled trial quality: uncertain

3756. Mitral valve surgery plus concomitant atrial fibrillation ablation is superior to mitral valve surgery alone with an intensive rhythm control strategy. Full Text available with Trip Pro

Mitral valve surgery plus concomitant atrial fibrillation ablation is superior to mitral valve surgery alone with an intensive rhythm control strategy. Prospective randomised study comparing patients with atrial fibrillation (AF) of more than 6 months duration after mitral valve surgery plus biatrial modified radiofrequency Maze procedure using Medtronic Cardioblate System (Cardioblate group, n=24) vs mitral valve surgery plus intensive rhythm control strategy (control group, n=25).Patients (...) warfarin decrease was comparable (100%, 100% and 71% vs 100%, 95% and 82%; NS).Radiofrequency Maze ablation additional to mitral valve surgery resulted in a higher SR conversion rate (75%), despite control group treatment with intensive rhythm control strategy having a higher SR conversion rate (39%) compared to literature (approximately 25%). Maze ablation resulted in normalisation of atrial function in 63% of patients converted to SR.

2009 European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery Controlled trial quality: uncertain

3757. Radiofrequency surgery of the soft palate in the treatment of mild obstructive sleep apnea is not effective as a single-stage procedure: A randomized single-blinded placebo-controlled trial. Full Text available with Trip Pro

Radiofrequency surgery of the soft palate in the treatment of mild obstructive sleep apnea is not effective as a single-stage procedure: A randomized single-blinded placebo-controlled trial. Radiofrequency (RF) surgery of the soft palate (SP) is an established treatment option for the treatment of snoring. Due to its minimally invasive character, it has received attention in the management of mild obstructive sleep apnea syndrome (OSAS).The aim of this study was to assess the efficacy (...) and the occurrence of adverse events after single-stage SP RF surgery in patients with mild OSAS in a randomized single-blinded placebo-controlled trial in an outpatient department at a tertiary care center, academic teaching hospital.Thirty-two patients with mild OSAS (apnea-hypopnea index [AHI] 5-15, body mass index <35) were randomized to receive a single session of RF surgery or placebo (insertion of applicator without energy delivery) with local anesthesia. The primary outcome measures were (AHI), Epworth

2009 Laryngoscope Controlled trial quality: predicted high

3758. Randomized study comparing two tongue base surgeries for moderate to severe obstructive sleep apnea syndrome. (Abstract)

Randomized study comparing two tongue base surgeries for moderate to severe obstructive sleep apnea syndrome. To compare the effectiveness and morbidity of the tongue base radiofrequency and tongue base suspension techniques combined with uvulopalatopharyngoplasty for moderate to severe obstructive sleep apnea.Prospective and randomized surgical trial at a university hospital.In total, 57 patients received either tongue base radiofrequency reduction (n = 29) or tongue base suspension (n = 28 (...) analysis. Tongue base suspension demonstrated higher morbidity (P < 0.05).The effectiveness of tongue base suspension was similar to that of tongue base radiofrequency reduction, although with significantly higher morbidity, for moderate to severe obstructive sleep apnea. The effectiveness of both techniques was lower in obese patients.Neither technique should be used in obese patients who have moderate to severe obstructive sleep apnea.

2009 Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery Controlled trial quality: uncertain

3759. Child behavior and quality of life before and after tonsillotomy versus tonsillectomy. (Abstract)

tonsillectomy/tonsillotomy (TT) (n=35) with Radiofrequency surgical technique (ellman Int.). Before TT/TE, the parents completed a validated Quality of Life survey of pediatric obstructive sleep apnea, the OSA-18 (Obstructive Sleep Apnea-18) and a standardized assessment of their children's behavior with the Child Behavior Checklist (CBCL). Six months after surgery, the parents repeated these measurements, and assessed the health related benefits of the surgery using the Glasgow Children's Benefit Inventory (...) Child behavior and quality of life before and after tonsillotomy versus tonsillectomy. Compare two techniques for pediatric tonsil surgery with respect to postoperative pain and morbidity and changes in sleep behavior, health related quality of life (HRQL) and benefits due to surgery.67 children (4.5-5.5 years) with tonsillar hypertrophy and obstructive sleep-disordered breathing with or without recurrent tonsillitis were randomized to either regular tonsillectomy (TE) (n=32) or intracapsular

2009 International journal of pediatric otorhinolaryngology Controlled trial quality: uncertain

3760. Preoperative tumor markers as prognostic factors of colorectal liver metastases. (Abstract)

Preoperative tumor markers as prognostic factors of colorectal liver metastases. Tumor recurrence develops in 45-80% of patients after liver surgery for colorectal liver metastases. To assess the significance of preoperative tumor marker levels for disease free interval (DFI) and patient survival (PS) after liver surgery.Preoperative serum levels of carcinoembryonic antigen--CEA, CA 19-9, CA 72-4, thymidine kinase (TK), tissue polypeptide antigen (TPA) and tissue polypeptide specific antigen (...) (TPS) were evaluated in 173 patients operated on for colorectal liver metastases (CLM). Liver resection was performed on 114 patients and radiofrequency ablation on 59 patients.Preoperative serum levels of TPA (cut off level = 53 IU/L, Hazard ratio = 4.5, Wilcoxon test: p < 0.01, Log-Rank test: p < 0.03) and TPS (cut off level = 81 IU/L, Hazard ratio = 5.1, Wilcoxon test: p < 0.007, Log-Rank test: p < 0.009) were important for PS and DFI after liver resection (TPA: cut off level = 53 IU/L, Hazard

2009 Hepato-gastroenterology Controlled trial quality: uncertain

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