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Cervical rfa

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https://www.readbyqxmd.com/read/27725217/neural-network-remodeling-underlying-motor-map-reorganization-induced-by-rehabilitative-training-after-ischemic-stroke
#1
Naohiko Okabe, Takashi Shiromoto, Naoyuki Himi, Feng Lu, Emi Maruyama-Nakamura, Kazuhiko Narita, Nobuhisa Iwachidou, Yoshiki Yagita, Osamu Miyamoto
Motor map reorganization is believed to be one mechanism underlying rehabilitation-induced functional recovery. Although the ipsilesional secondary motor area has been known to reorganize motor maps and contribute to rehabilitation-induced functional recovery, it is unknown how the secondary motor area is reorganized by rehabilitative training. In the present study, using skilled forelimb reaching tasks, we investigated neural network remodeling in the rat rostral forelimb area (RFA) of the secondary motor area during 4weeks of rehabilitative training...
December 17, 2016: Neuroscience
https://www.readbyqxmd.com/read/27373671/radiofrequency-ablation-of-symptomatic-cervical-inlet-patch-using-a-through-the-scope-device-a-pilot-study
#2
Jason Mark Dunn, Guiping Sui, Angela Anggiansah, Terence Wong
BACKGROUND AND AIMS: The cervical inlet patch (CIP) is an area of heterotopic gastric mucosa at the proximal esophagus, which can secrete both acid and mucus. Attributable symptoms include chronic globus sensation and sore throat. Previous studies have demonstrated improvement in symptoms after ablation using argon plasma coagulation. Our aim was to assess a through-the-scope radiofrequency ablation (RFA) catheter for ablation of symptomatic CIP. METHODS: Ten patients with endoscopically and histologically proven CIP and symptoms of globus or sore throat were included in the study...
December 2016: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27008309/bipolar-radiofrequency-neurotomy-to-treat-neck-and-back-pain-in-patients-with-automatic-implantable-cardioverter-defibrillator
#3
Alexander Bautista, Alisher Dadabayev, Ellen Rosenquist, Jianguo Cheng
We report 2 cases of successful treatment of neck and back pain with bipolar radiofrequency ablation (RFA) of the cervical and lumbar facet joints in patients with an automatic implantable cardioverter defibrillator (AICD).Two patients with complex cardiac histories and AICD devices were treated with bipolar RFA of the facet joints. One presented with axial neck pain and the other with axial back pain. The histories and physical examinations were consistent with facetogenic pain. Diagnostic medial branch block resulted in more than 70% pain relief lasting for several days, allowing patients to perform routine daily activities without significant pain...
March 2016: Pain Physician
https://www.readbyqxmd.com/read/26011836/the-configuration-of-biomolecular-markers-in-cancer-of-the-uterine-cervix-personalized-therapy-monitoring-and-prognosis
#4
V M Prunoiu, M A Marincaş, C Cirimbei, S Ionescu, S Zurac, M Radu, R Nicolaescu, E Brătucu, N D Straja
INTRODUCTION: The paper deals with the diagnosis of some aggressive forms of uterine cervix cancers, resistant to radio chemotherapy, using biomolecular markers.For this study, the destruction of tumours in stages II-IIIBis carried out by hyperthermia induced by different sources of energy. The aimed targets are toembed a quick and simple technique of haemostas isused in bleeding uterine cervix tumours associated with acute an aemiain the treatment protocols and to identify biomolecular criteria revealing tumour aggressiveness and treatment response...
March 2015: Chirurgia
https://www.readbyqxmd.com/read/25819585/helical-coil-electrode-radiofrequency-ablation-designed-for-application-in-osteolytic-vertebral-tumors-initial-evaluation-in-a-porcine-model
#5
Padina S Pezeshki, Sean R Davidson, Margarete K Akens, Kieran Murphy, Claire McCann, Michael Sherar, Cari M Whyne, Albert J M Yee
BACKGROUND CONTEXT: Radiofrequency ablation (RFA) is emerging as a complementary treatment for vertebral metastases. Traditional RFA induces frictional heating leading to local tissue necrosis but often yields small, incomplete, and inhomogeneous zones of ablation in bone. We have developed a new bone-specific RFA electrode that uses a nontraditional frequency (27.12 MHz) and geometry (helical), exploiting a magnetic field and an electric field to generate larger and more comprehensive treatment zones...
August 1, 2015: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/25450273/ultrasonography-guided-percutaneous-radiofrequency-ablation-for-cervical-lymph-node-metastasis-from-thyroid-carcinoma
#6
Liping Wang, Minghua Ge, Dong Xu, Liyu Chen, Chaowen Qian, Kaiyuan Shi, Junping Liu, Yong Chen
PURPOSE: The aim was to explore the efficacy and safety of ultrasonography-guided percutaneous radiofrequency ablation (RFA) for cervical lymph node metastases from thyroid carcinoma. MATERIALS AND METHODS: Eight patients with previous total thyroidectomy and radioiodine therapy were enrolled in this study. A total of 20 cervical lymph node metastases were confirmed by percutaneous biopsy. Participants underwent ultrasonography-guided RFA treatment for all confirmed metastatic lymph nodes...
November 2014: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/24796394/third-degree-burn-from-cooled-radiofrequency-ablation-of-medial-branch-nerves-for-treatment-of-thoracic-facet-syndrome
#7
David Walega, Christiana Roussis
Radiofrequency ablation of medial branch nerves is considered a safe and effective treatment for chronic facet joint pain in the cervical, thoracic, and lumbosacral spine. Cooled radiofrequency ablation (C-RFA) is gaining popularity over conventional thermal radiofrequency ablation (RFA) in pain management. However, complications of C-RFA have not been reported in the literature. We present a first report of third-degree skin burn resulting from C-RFA electrode use for the treatment of facet syndrome. A 61-year-old woman (BMI of 21...
July 2014: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/24772344/a-case-of-esophageal-squamous-cell-intraepithelial-neoplasia-with-positivity-for-type-16-human-papillomavirus-successfully-treated-with-radiofrequency-ablation
#8
Alessandro Repici, Chiara Genco, Andrea Anderloni, Paola Spaggiari, Rossana Mineri, Rosanna Minieri, Alessandra Carlino, Manol Jovani, Vincenzo Villanacci, Prateek Sharma, Alberto Malesci
Esophageal cancer is the eight most common cancer worldwide and the sixth cause of cancer related death with squamous cell carcinoma (SCC) accounting for almost half of all esophageal cancers. Persistent human papilloma virus (HPV) infection has been suspected to play an active role in esophageal carcinogenesis but a clear association has not still been proven and no specific indications or guidelines for possible endoscopic and surgical therapeutic approaches to this clinical scenario are available. We report a case of a 62-year-old woman with histological diagnosis of high-grade intraepithelial squamous neoplasia of distal esophagus associated with cytological modifications resembling cervical HPV infection and with a positive INNO-LiPA assay for genotype 16 HPV...
April 2014: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/24742405/the-place-of-radiofrequency-ablation-in-the-multimodal-treatment-of-cervical-cancer-our-experience
#9
M A Marincaş, V M Prunoiu, S Ionescu, E Brătucu
INTRODUCTION: Genital cancers benefit from standardized treatment plans which include: surgery and radio chemotherapy.Lately, treatments involving thermal ablations have entered the clinical use, as they destroy the tumors by the use of different energy sources. Our study aims at establishing a precise role of RFA in current treatment protocols of cancer of the uterine cervix. MATERIAL AND METHOD: We performed a 5-year (2008-2013)prospective study in which we analyzed the use of RFA inpatients treated for cancer of the uterine cervix at our clinic...
March 2014: Chirurgia
https://www.readbyqxmd.com/read/23412321/radiofrequency-ablation-for-treatment-for-osteoid-osteoma-of-the-scapula-using-a-new-three-dimensional-fluoroscopic-navigation-system
#10
Kiyoshi Okada, Akira Myoui, Nobuyuki Hashimoto, Satoshi Takenaka, Hisao Moritomo, Tsuyoshi Murase, Hideki Yoshikawa
Osteoid osteoma is a relatively common benign skeletal tumor. The traditional standard treatment has been surgical resection of the nidus. Recently, computed tomography (CT)-guided radiofrequency ablation (RFA) has gained favor as a more precise alternative due to potentially less bone destruction. However, CT-guided RFA is limited in treatment for osteoid osteoma involving complex anatomic structures such as cervical spine, pelvis, or scapula because of difficulty in approach and proximity to neurovascular structures...
February 2014: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/22748537/radiofrequency-ablation-offers-a-reliable-surgical-modality-for-the-treatment-of-barrett-s-esophagus-with-a-minimal-learning-curve
#11
Alla Y Zemlyak, Thomas Pacicco, Ebrahem M Mahmud, Victor B Tsirline, Igor Belyansky, Amanda Walters, B Todd Heniford
Radiofrequency ablation (RFA) has gained popularity as treatment for Barrett's esophagus. Inclusive series of patients from initiation of our Barrett's Therapy Program were studied. Review of patients undergoing RFA for Barrett's was performed from September 2008 to May 2011. Patients' outcomes were recorded and analyzed using standard statistical methods. Seventy patients were treated. Average age was 61 (28-70); 80 per cent were male. Seventy-four per cent had dysplasia; 44 low-grade and eight high-grade...
July 2012: American Surgeon
https://www.readbyqxmd.com/read/22576719/dropped-head-syndrome-after-multilevel-cervical-radiofrequency-ablation-a-case-report
#12
Geoffrey E Stoker, Jacob M Buchowski, Michael P Kelly
STUDY DESIGN: Case report. OBJECTIVE: To describe a serious complication of multilevel radiofrequency ablation (RFA) of the cervical spine. SUMMARY OF BACKGROUND DATA: Percutaneous RFA is an accepted nonoperative modality for the treatment of neck pain. When the procedure is performed according to established guidelines, serious adverse events are rare. METHODS: The authors performed a clinical and radiographic case review...
December 2013: Journal of Spinal Disorders & Techniques
https://www.readbyqxmd.com/read/22165056/extending-indication-for-radiofrequency-ablation-rfa-in-cancer-surgery
#13
V Prunoiu, C Cirimbei, M Marincaş, S Cirimbei, E Brătucu
Radiofrequency ablation (RFA) represents one of the successful methods for the thermal ablation of unresectable tumors. The tumoricidal effect of this method consists in the tissular conversion of electromagnetic energy into thermal energy. The term refers to the electric current, whose frequencies reach high values, 480 KHz on average. The method involves the insertion of bipolar needles in parenchymal tumors. The thermal tissue damage depends on both the temperature reached and the duration. The most frequent use is for unresectable hepatic tumors (metastases, hepatoma) or for those with a contraindication for surgery, visible on ultrasound...
September 2011: Chirurgia
https://www.readbyqxmd.com/read/22034976/differential-contributions-of-rostral-and-caudal-frontal-forelimb-areas-to-compensatory-process-after-neonatal-hemidecortication-in-rats
#14
Tatsuya Umeda, Tadashi Isa
Following brain damage, especially in juvenile animals, large-scale reorganization is known to occur in the remaining brain structures to compensate for functional deficits. In rats with neonatal hemidecortication, corticospinal fibers originating from the undamaged side of the sensorimotor cortex issue collateral sprouts to the ipsilateral spinal gray matter that mediate cortical excitation to ipsilateral forelimb motoneurons and compensate for the deficit in forelimb movements. The present study was designed to investigate the origins of the ipsilateral corticospinal projection in neonatally hemidecorticated rats...
November 2011: European Journal of Neuroscience
https://www.readbyqxmd.com/read/21263424/diaphragm-perforation-after-radio-frequency-ablation-for-metastatic-lung-cancer
#15
Takeshi Mori, Koichi Kawanaka, Yasuomi Ohba, Kenji Shiraishi, Kazunori Iwatani, Kentaro Yoshimoto, Yusuyuki Yamashita
A case of diaphragm perforation after radio-frequency ablation (RFA) for lung metastasis from uterine cervical cancer is reported. The patient developed pelvic recurrence and solitary lung metastasis after a radical hysterectomy for uterine cervical cancer. Pelvic radiation and RFA for lung metastasis were performed. Metastasis was located in the laterobasal segment of the lower lobe of the right lung. RFA was repeatedly performed in September 2005 and August 2006. In May 2008, ¹⁸F-fluoro-deoxy-glucose (FDG) positron emission tomography-computed tomography showed evidence of local recurrence of the lung metastasis...
December 2010: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/20235370/-ultrasonography-guided-therapeutic-procedures-in-the-neck-region
#16
Hrvojka Tomić Brzac
BACKGROUND: Minimally invasive therapeutic procedures in medicine have become very popular because of the reduced risk compared to classic surgical treatment, speed of recovery, little or no side effects, and frequently lower cost. One of these methods is ultrasonography-guided percutaneous injection of 95% ethanol (PEIT, percutaneous ethanol injection therapy), which is especially suitable for the neck region. Other methods like laser photocoagulation (ILP) or radiofrequency ablation (RFA) are more aggressive and expensive...
December 2009: Acta Medica Croatica: C̆asopis Hravatske Akademije Medicinskih Znanosti
https://www.readbyqxmd.com/read/20037457/-the-transition-of-therapy-for-recurrent-esophageal-cancer-by-pet-ct
#17
Yasuhiro Shirakawa, Shunsuke Tanabe, Yasuhiro Fujiwara, Kazuhiro Noma, Kazufumi Sakurama, Munenori Takaoka, Tomoki Yamatsuji, Minoru Haisa, Yoshio Naomoto
In our institute, we introduced PET-CT examination as the preoperative and postoperative screening for esophageal cancer patients in April 2006. During two years before the introduction of PET-CT examination, we performed an intensive local control therapy (operation, RFA, definitive chemoradiotherapy) to 13 cases with single region recurrence (including 5 cases of cervical lymph nodes recurrence, 5 of local recurrence, 3 of distant metastatic recurrence). On the other hand, we performed an intensive local control therapy to 21 cases (including 4 cases of cervical lymph nodes recurrence, 10 of local recurrence, and 7 of distant metastatic recurrence) during two years after the introduction of PET-CT examination...
November 2009: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/17538136/treatment-of-vertebral-tumor-with-posterior-wall-defect-using-image-guided-radiofrequency-ablation-combined-with-vertebroplasty-preliminary-results-in-12-patients
#18
Edwin van der Linden, Lucia J M Kroft, P D Sander Dijkstra
PURPOSE: To evaluate the safety and clinical benefit of vertebral tumor treatment by combined radiofrequency ablation (RFA) and vertebroplasty, for pain reduction in patients who are unable to benefit from noninvasive treatment methods. MATERIALS AND METHODS: Twelve patients with painful vertebral tumors with posterior wall defect, in whom medical treatment together with radiation therapy and/or chemotherapy had failed, were treated with RFA combined with vertebroplasty...
June 2007: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/12521345/partial-vagal-denervation-increases-vulnerability-to-vagally-induced-atrial-fibrillation
#19
Masamichi Hirose, Zeng Leatmanoratn, Kenneth R Laurita, Mark D Carlson
INTRODUCTION: Cervical vagal stimulation shortens the atrial effective refractory period (ERP) primarily in the high right atrium (HRA) and facilitates induction of atrial fibrillation (AF) by single premature HRA extrastimuli. We hypothesized that vagal denervation of the HRA prevents both ERP shortening in the HRA and AF induction during vagal stimulation. METHODS AND RESULTS: Vagal denervation of the HRA was achieved using radiofrequency catheter ablation (RFA) of the fat pad at the right pulmonary vein-atrial junction (RPV fat pad)...
December 2002: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/6738457/measurement-of-dose-distribution-around-fletcher-suit-delcos-colpostats-using-a-therados-radiation-field-analyzer-rfa-3
#20
C C Ling, I J Spiro, D O Kubiatowicz, J Gergen, R K Peksens, J D Bennett, W F Gagnon
Using a small silicon diode and the Therados RFA-3 automated dosimetry system, the relative dose distribution around Fletcher-Suit-Delcos colpostats was measured. Thermoluminescent dosimeters (LiF) were used for absorbed dose measurements. These data provide the basis for computerized dose calculations which will account for the attenuation effects of the rectal and bladder shieldings. The stainless-steel housing attenuated the radiation of a Cs-137 source by 6%. The tungsten shields caused a further dose reduction of 15%-25%...
May 1984: Medical Physics
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