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Thermocoagulation

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https://www.readbyqxmd.com/read/29690711/-the-application-of-stereo-electroencephalography-guided-radiofrequency-thermocoagulation-in-refractory-temporal-epilepsy
#1
C W Xu, W J Zhou, J J Bai, B Q Zhang, H X Wang, J Ruan, J Li, J L Lin, Y Q Zhang
Objective: To investigate the clinical value of stereo-electroencephalography guided radiofrequency thermos-coagulation (RFTC) in drug resistant temporal epilepsy. Methods: The clinical data of 12 patients with refractory temporal epilepsy who underwent implantation of SEEG electrodes and radiofrequency thermos-coagulation from July 2016 to November 2017 were analysed retrospectively. Results: The mean follow-up time was 6.4±4.6 months after thermos-coagulation, and 10.2±3.5 months after resection. Engel Ⅰa was observed in 9 cases, with Ⅱa, Ⅲa and Ⅳa 1 cases respectively...
April 3, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29676681/frameless-robot-assisted-stereoelectroencephalography-in-children-technical-aspects-and-comparison-with-talairach-frame-technique
#2
Taylor J Abel, René Varela Osorio, Ricardo Amorim-Leite, Francois Mathieu, Philippe Kahane, Lorella Minotti, Dominique Hoffmann, Stephan Chabardes
OBJECTIVE Robot-assisted stereoelectroencephalography (SEEG) is gaining popularity as a technique for localization of the epileptogenic zone (EZ) in children with pharmacoresistant epilepsy. Here, the authors describe their frameless robot-assisted SEEG technique and report preliminary outcomes and relative complications in children as compared to results with the Talairach frame-based SEEG technique. METHODS The authors retrospectively analyzed the results of 19 robot-assisted SEEG electrode implantations in 17 consecutive children (age < 17 years) with pharmacoresistant epilepsy, and compared these results to 19 preceding SEEG electrode implantations in 18 children who underwent the traditional Talairach frame-based SEEG electrode implantation...
April 20, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29617062/radiofrequency-thermocoagulation-of-the-ganglion-impar-for-coccydynia-management-long-term-effects
#3
Atilla Kırcelli, Emre Demirçay, Ömer Özel, Ilker Çöven, Semra Işık, Erdinç Civelek, Serdar Kabataş
OBJECTIVE: To investigate the short- and long-term effects of ganglion impar radiofrequency thermocoagulation (RFT) treatment in patients with chronic coccydynia. METHODS: We retrospectively analyzed the medical records of patients who underwent RFT of the ganglion impar between 2009 and 2011. Pain intensity visual numeric scale (VNS) scores and Euroqol 5D (EQ-5D) index scores were recorded pre-intervention and post-intervention at the first, sixth, and twelfth months...
April 4, 2018: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/29605700/stereoelectroencephalography-guided-radiofrequency-thermocoagulation-for-hypothalamic-hamartomas-preliminary-evidence
#4
Peng-Hu Wei, Yang An, Xiao-Tong Fan, Yi-He Wang, Yan-Feng Yang, Lian-Kun Ren, Yong-Zhi Shan, Guo-Guang Zhao
BACKGROUND: The use of magnetic resonance imaging (MRI)-guided ablation methods, such as laser interstitial thermal therapy and MRI-guided radiofrequency thermocoagulation (RF-TC), poses a risk of mistreatment in patients with nonepileptic hypothalamic hamartoma (HH). Using stereoelectroencephalography (SEEG)-guided RF-TC could solve this problem; however, there are no reports on the efficacy of this technique. Thus, we examined the safety and efficacy of this method. METHODS: This retrospective study was conducted in 9 consecutive patients with HH treated between August 2015 and July 2017...
March 30, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29599948/modelling-and-experiment-based-on-a-navigation-system-for-a-cranio-maxillofacial-surgical-robot
#5
Xingguang Duan, Liang Gao, Yonggui Wang, Jianxi Li, Haoyuan Li, Yanjun Guo
In view of the characteristics of high risk and high accuracy in cranio-maxillofacial surgery, we present a novel surgical robot system that can be used in a variety of surgeries. The surgical robot system can assist surgeons in completing biopsy of skull base lesions, radiofrequency thermocoagulation of the trigeminal ganglion, and radioactive particle implantation of skull base malignant tumors. This paper focuses on modelling and experimental analyses of the robot system based on navigation technology. Firstly, the transformation relationship between the subsystems is realized based on the quaternion and the iterative closest point registration algorithm...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29561918/prospective-evaluation-of-nasopharyngeal-intubation-during-radiofrequency-thermocoagulation-of-the-trigeminal-ganglion
#6
Cheng-Fu Wan, Dao-Song Dong, Qi Xi, Yan Liu, Wen-Yao Cui, Qiu-Shi Wang, Tao Song
AIMS: To investigate whether nasopharyngeal airway (NPA) intubation could reduce the risk of complications caused by radiofrequency thermocoagulation (RFT) of the trigeminal ganglion. METHODS: From November 1, 2014 to May 1, 2015, 200 patients treated with sedation (combination of sufentanil and propofol) were randomly divided into two groups, one in which NPA intubation was used (intervention group) and one in which it was not used (control group). The primary outcome was the frequency of hypoxemia, and secondary outcomes were the frequency of hypotension, nasal mucosa damage, corneal numbness, masticatory weakness, palsies of other cranial nerves, and intracranial hemorrhage...
March 21, 2018: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/29556306/application-of-icg-enhanced-thermocoagulation-method-and-photodynamic-therapy-in-circumscribed-choroidal-hemangioma
#7
Chuan Tian, Xi Chen, Jin Cao, Lu Yang
The present study was designed to compare the effect of indocyanine green (ICG)-enhanced laser (810 nm) thermocoagulation method and photodynamic therapy (PDT) on circumscribed choroidal hemangioma (CCH). A total of 36 patients (36 pair of eyes) diagnosed with CCH in the Ocular Fundus Disease Center of The Affiliated Hospital of Medical College of Ningbo University from June 2010 to January 2016 were selected and randomly divided into two groups. ICG-enhanced thermocoagulation was used to treat 18 patients (18 pair of eyes), and PDT was used to treat the remaining 18 patients (18 pair of eyes)...
April 2018: Oncology Letters
https://www.readbyqxmd.com/read/29554343/stereoelectroencephalography-guided-laser-ablations-in-patients-with-neocortical-pharmacoresistant-focal-epilepsy-concept-and-operative-technique
#8
Louis Ross, Ahsan M Naduvil, Juan C Bulacio, Imad M Najm, Jorge A Gonzalez-Martinez
BACKGROUND: Laser ablation surgery has had encouraging results in the treatment of multiple intracranial diseases including primary and metastatic brain tumors, radiation necrosis, and epilepsy. The use of the stereoelectroencephalography (SEEG) method in combination with laser thermocoagulation therapy with the goal of modulating epileptic networks in patients with neocortical nonlesional phamacoresistant epilepsy has not been previously described. OBJECTIVE: To describe the novel methodological and conceptual aspects related to SEEG-guided laser ablations in patients with magnetic resonance imaging (MRI)-negative pharmacoresistant neocortical focal epilepsy...
March 14, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29550061/lesion-focused-radiofrequency-thermocoagulation-of-bottom-of-sulcus-focal-cortical-dysplasia-type-iib-conceptional-considerations-with-regard-to-the-epileptogenic-zone
#9
Jörg Wellmer
Small bottom-of-sulcus focal cortical dysplasias (BOS-FCD) type IIb are intrinsically epileptogenic lesions often responsible for pharmacoresistant epilepsy. They are increasingly well demarcated in vivo from surrounding cortex and white matter by 3 T magnetic resonance imaging (MRI). These facts and frequent seizure freedom after just narrow resections allow questioning the classical concept of epilepsy surgery in which the epileptogenic lesion is generally considered only one part of the epileptogenic zone and the resection volume categorically has to exceed lesion limits...
May 2018: Epilepsy Research
https://www.readbyqxmd.com/read/29473775/stereotactic-radiosurgery-for-tremor-systematic-review
#10
Nuria E Martínez-Moreno, Arjun Sahgal, Antonio De Salles, Motohiro Hayashi, Marc Levivier, Lijun Ma, Ian Paddick, Jean Régis, Sam Ryu, Ben J Slotman, Roberto Martínez-Álvarez
OBJECTIVE The aim of this systematic review is to offer an objective summary of the published literature relating to stereotactic radiosurgery (SRS) for tremor and consensus guideline recommendations. METHODS This systematic review was performed up to December 2016. Article selection was performed by searching the MEDLINE (PubMed) and EMBASE electronic bibliographic databases. The following key words were used: "radiosurgery" and "tremor" or "Parkinson's disease" or "multiple sclerosis" or "essential tremor" or "thalamotomy" or "pallidotomy...
February 23, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29462411/radiofrequency-energy-and-electrode-proximity-influences-stereoelectroencephalography-guided-radiofrequency-thermocoagulation-lesion-size-an-in-vitro-study-with-clinical-correlation
#11
Michael D Staudt, Sarita Maturu, Jonathan P Miller
BACKGROUND: Radiofrequency thermocoagulation of epileptogenic foci via stereoelectroencephalography (SEEG) electrodes has been suggested as a treatment for medically intractable epilepsy, but reported outcomes have been suboptimal, possibly because lesions generated using conventional high-energy radiofrequency parameters are relatively small. OBJECTIVE: To describe a technique of delivering low energy across separate SEEG electrodes in order to create large confluent radiofrequency lesions...
February 16, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29433116/-mr-guided-focused-ultrasound
#12
Hideki Mochizuki, Noriaki Hattori
Since the middle of the 20th century and in order to treat neurological diseases, clinicians have proposed the use of ultrasound, instead of skin incision or trepanation, when performing intracranial thermocoagulation. However, focusing ultrasound intracranially with high precision was technically difficult until recent technological developments. Specifically, advancements in ultrasound phased-array transducers have eliminated the need for a craniotomy, and progress in magnetic resonance (MR) imaging has allowed the real-time measurement of intracranial temperature...
February 2018: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29429255/-a-study-of-the-relations-of-foramen-rotundum-structure-direction-and-the-approach-of-percutaneous-puncturing-of-radiofrequency-thermocoagulation-for-treating-v2-of-primary-trigeminal-neuralgia
#13
Z W Chen, J B Ma, K Y Xie, B Huang, M Yao, Y Fei, L Zhang
Objective: To investigate the relations of foramen rotundum structure direction and surrounding structure systematically in order to choose the best approach of percutaneous puncturing of radiofrequency thermocoagulation for treating V2 of primary trigeminal neuralgia. Methods: A total of 122 patients with V2 of primary trigeminal neuralgia for radiofrequency thermocoagulation were enrolled from August 2012 to May 2017 at the First Hospital of Jiaxing. CT scan images were observed retrospectively, to find the inside and outside of the foramen rotundum...
February 6, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29408592/stereotactic-radiofrequency-thermocoagulation-of-hypothalamic-hamartoma-using-robotic-guidance-rosa-coregistered-with-o-arm-guidance-preliminary-technical-note
#14
Vivek Tandon, Poodipedi Sarat Chandra, Ramesh Sharanappa Doddamani, Heri Subianto, Jitin Bajaj, Ajay Garg, Manjari Tripathi
INTRODUCTION: Treatment options for hypothalamic hamartoma (HH) include microvascular surgery, stereotactic radiofrequency thermocoagulation (SRT), laser interstitial thermal therapy, or Gamma Knife surgery. During SRT, thermographic monitoring cannot be performed and therefore highly accurate placement of electrode and confirmation of its position are required. We have used robotic guidance (ROSA) and coregistered it with O-arm for performing ablation of hamartoma. METHODS: Five patients with HH and gelastic seizures underwent SRT...
April 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29381927/comparison-of-coblation-annuloplasty-and-radiofrequency-thermocoagulation-for-treatment-of-lumbar-discogenic-pain
#15
Dongguang Sun, Quancheng Li, Yuanzhang Tang, Weiyi Gong, Liangliang He, Zhi Dou, Jiaxiang Ni
This study aimed to compare the effectiveness and safety of coblation annuloplasty and radiofrequency thermocoagulation for lumbar discogenic pain.Patients who suffered from lumbar discogenic pain and underwent coblation annuloplasty and radiofrequency thermocoagulation surgery were included. A questionnaire, including the visual analo scale (VAS), MacNab criteria, pain relief rate, and any complications due to surgery, was completed by the patients with the help of a trained volunteer who was blinded to the study...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29336937/the-combination-of-stereo-eeg-and-radiofrequency-ablation
#16
Hélène Catenoix, Pierre Bourdillon, Marc Guénot, Jean Isnard
SEEG-guided radiofrequency thermocoagulation (SEEG-guided RFTC), a combination of Stereo-electroencephalography (SEEG) and radiofrequency thermocoagulation (RFTC), has been performed since 2001 in drug resistant epilepsy. The interest of this procedure is to aim at total or partial destruction of the epileptogenic zone, as tailored in each individual patient by the SEEG exploration. These multiple SEEG-guided RFTC lesions of epileptic foci are produced by using a radiofrequency generator connected to the electrode contacts...
January 9, 2018: Epilepsy Research
https://www.readbyqxmd.com/read/29329442/conventional-radiofrequency-thermocoagulation-vs-pulsed-radiofrequency-neuromodulation-of-ganglion-impar-in-chronic-perineal-pain-of-nononcological-origin
#17
Hammad Usmani, G P Dureja, Roshan Andleeb, Nazia Tauheed, Naiyer Asif
Background: Chronic nononcological perineal pain has been effectively managed by ganglion Impar block. Chemical neurolysis, cryoablation, and radiofrequency ablation have been the accepted methods of blockade. Recently, pulsed radiofrequency, a novel variant of conventional radiofrequency, has been used for this purpose. Study Design: This was a prospective, randomized, double-blind study. Setting: Two different interventional pain management centers in India...
January 10, 2018: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/29277357/french-guidelines-on-stereoelectroencephalography-seeg
#18
REVIEW
Jean Isnard, Delphine Taussig, Fabrice Bartolomei, Pierre Bourdillon, Hélène Catenoix, Francine Chassoux, Mathilde Chipaux, Stéphane Clémenceau, Sophie Colnat-Coulbois, Marie Denuelle, Stéphane Derrey, Bertrand Devaux, Georg Dorfmüller, Vianney Gilard, Marc Guenot, Anne-Sophie Job-Chapron, Elisabeth Landré, Axel Lebas, Louis Maillard, Aileen McGonigal, Lorella Minotti, Alexandra Montavont, Vincent Navarro, Anca Nica, Nicolas Reyns, Julia Scholly, Jean-Christophe Sol, William Szurhaj, Agnès Trebuchon, Louise Tyvaert, Maria Paola Valenti-Hirsch, Luc Valton, Jean-Pierre Vignal, Paul Sauleau
Stereoelectroencephalography (SEEG) was designed and developed in the 1960s in France by J. Talairach and J. Bancaud. It is an invasive method of exploration for drug-resistant focal epilepsies, offering the advantage of a tridimensional and temporally precise study of the epileptic discharge. It allows anatomo-electrical correlations and tailored surgeries. Whereas this method has been used for decades by experts in a limited number of European centers, the last ten years have seen increasing worldwide spread of its use...
February 2018: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/29273383/seeg-guided-radiofrequency-thermocoagulation
#19
REVIEW
Pierre Bourdillon, Bertrand Devaux, Anne-Sophie Job-Chapron, Jean Isnard
We propose expert recommendations on the use of SEEG-guided radiofrequency thermocoagulation (RF-TC) based on an exhaustive literature review. This technique consists in performing a RF-TC lesion using a SEEG depth electrode at the end of the recording. It is indicated when conventional surgical resection of the ictal onset zone is not possible. SEEG guided RF-TC can also be considered as a diagnostic tool since an improvement, even limited, has a high positive predictive value concerning the good outcome after surgery...
February 2018: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/29128162/three-dimensionally-printed-personalized-guide-plate-for-percutaneous-radiofrequency-thermal-coagulation-in-idiopathic-trigeminal-neuralgia
#20
M Deng, H Cai, W Fang, X Long
Radiofrequency thermocoagulation (RFT) is used widely for the treatment of idiopathic trigeminal neuralgia (TN). Precise puncture and placement of the electrode needle tip are crucial for successful RFT. This technical note introduces a novel method for performing RFT using a customized, three-dimensionally (3D)-printed guide plate. Eleven patients with idiopathic TN were treated using this method between February and July 2016. Three had V2 branch TN and eight had V3 branch TN. Punctures in eight patients were successful at the first attempt; slight adjustments were required subsequently in the other three patients...
March 2018: International Journal of Oral and Maxillofacial Surgery
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