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laser interstitial thermal therapy

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https://www.readbyqxmd.com/read/28922876/visual-deficit-from-laser-interstitial-thermal-therapy-for-temporal-lobe-epilepsy-anatomical-considerations
#1
Walter J Jermakowicz, Michael E Ivan, Iahn Cajigas, Ramses Ribot, Ignacio Jusue-Torres, Mehul B Desai, Armando Ruiz, Pierre-Francois D'Haese, Andres M Kanner, Jonathan R Jagid
BACKGROUND: Laser interstitial thermal therapy (LITT) is quickly emerging as an effective surgical therapy for temporal lobe epilepsy (TLE). One of the most frequent complications of the procedure is postoperative visual field cuts, but the physiopathology of these deficits is unknown. OBJECTIVE: To evaluate potential causes of visual deficits after LITT for TLE in an attempt to minimize this complication. METHODS: This retrospective chart review compares the case of a 24-year-old male who developed homonymous hemianopsia following LITT for TLE to 17 prior patients who underwent the procedure and suffered no visual deficit...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28917283/mri-guided-laser-interstitial-thermal-therapy-for-epilepsy
#2
REVIEW
Robert Y North, Jeffrey S Raskin, Daniel J Curry
MRI-guided laser interstitial thermal therapy for epilepsy (LITT-E) has become an established, minimally invasive alternative to traditional epilepsy surgery. LITT-E is particularly valuable in cases in which open surgery poses unacceptably high morbidity or patient preference precludes craniotomy. Here we present a focused review of technical details and application of LITT to both focal and generalized epilepsy.
October 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28917281/magnetic-resonance-thermometry-and-laser-interstitial-thermal-therapy-for-brain-tumors
#3
REVIEW
Danilo Silva, Mayur Sharma, Rupa Juthani, Antonio Meola, Gene H Barnett
Recent technological advancements in intraoperative imaging are shaping the way for a new era in brain tumor surgery. Magnetic resonance thermometry has provided intraoperative real-time imaging feedback for safe and effective application of laser interstitial thermal therapy (LITT) in neuro-oncology. Thermal ablation has also established itself as a surgical option in epilepsy surgery and is currently used in spine oncology with promising results. This article reviews the principles and rationale as well as the clinical application of LITT for brain tumors...
October 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28917280/a-novel-use-of-the-intraoperative-mri-for-metastatic-spine-tumors-laser-interstitial-thermal-therapy-for-percutaneous-treatment-of-epidural-metastatic-spine-disease
#4
REVIEW
Jonathan G Thomas, Wajd N Al-Holou, Dhiego Chaves de Almeida Bastos, Amol J Ghia, Jing Li, Andrew J Bishop, Behrang Amini, Laurence D Rhines, Claudio E Tatsui
Spinal laser interstitial thermal therapy (LITT) appears to be a promising novel modality for treatment of epidural metastatic spine disease in patients who are poor candidates for larger-scale oncologic spinal surgery and can act synergetically with spinal stereotactic radiosurgery to maximize local control and palliate pain. This technique is ideally suited for the intraoperative MRI suite to monitor the extent of the ablation in the epidural space. As percutaneous navigation, imaging, and LITT technology improve, broader applicability of this minimally invasive technique in spinal oncology is foreseen...
October 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28894956/the-effect-of-laser-power-blood-perfusion-thermal-and-optical-properties-of-human-liver-tissue-on-thermal-damage-in-litt
#5
Khalid Salem Shibib, Mohammed A Munshid, Hind Ali Lateef
In this work, the finite-element method (FEM) was used to predict the temperature distribution, and the thermal damage volume in human liver tissue subjected to laser in laser-induced interstitial thermotherapy (LITT). The effect of laser power, blood perfusion, and thermal and optical properties on maximum temperature and thermal damage volume were predicted using the finite-element method. A computer program was written in visual basic language, which was verified by comparing its result with data published elsewhere...
September 11, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28699085/laser-interstitial-thermal-therapy-for-epilepsy
#6
REVIEW
Eric Prince, Shahin Hakimian, Andrew L Ko, Jeffrey G Ojemann, Michelle S Kim, John W Miller
MRI-guided laser interstitial thermal therapy (MgLiTT) uses a narrow diameter cannula to stereotactically target and heat deeper cerebral structures. This technique produces a precise lesion in the brain with great reliability because the localized tissue temperature change is monitored in real time. Because MgLiTT minimizes injury to surrounding brain, it appears to have a lower risk of affecting normal neurological function, and because it is done through a burr hole, there is less operative risk, less discomfort, and shorter hospitalizations...
September 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28665249/improved-operative-efficiency-using-a-real-time-mri-guided-stereotactic-platform-for-laser-amygdalohippocampotomy
#7
Allen L Ho, Eric S Sussman, Arjun V Pendharkar, Scheherazade Le, Alessandra Mantovani, Alaine C Keebaugh, David R Drover, Gerald A Grant, Max Wintermark, Casey H Halpern
OBJECTIVE MR-guided laser interstitial thermal therapy (MRgLITT) is a minimally invasive method for thermal destruction of benign or malignant tissue that has been used for selective amygdalohippocampal ablation for the treatment of temporal lobe epilepsy. The authors report their initial experience adopting a real-time MRI-guided stereotactic platform that allows for completion of the entire procedure in the MRI suite. METHODS Between October 2014 and May 2016, 17 patients with mesial temporal sclerosis were selected by a multidisciplinary epilepsy board to undergo a selective amygdalohippocampal ablation for temporal lobe epilepsy using MRgLITT...
June 30, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28591480/laser-interstitial-thermal-therapy-a-first-line-treatment-for-seizures-due-to-hypothalamic-hamartoma
#8
REVIEW
Victor X Du, Shashank V Gandhi, Harold L Rekate, Ashesh D Mehta
Successful treatment of hypothalamic hamartoma (HH) can result in the resolution of its sequelae including epilepsy and rage attacks. Risks and morbidity of open surgical management of this lesion have motivated the development of laser interstitial thermal therapy (LITT) as a less invasive treatment approach to the disease. Although overall morbidity and risk would appear to be lower, complications related to LITT therapy have been reported, and the longer-term follow-up that is now possible after initial experience helps address the question of whether LITT provides equivalent efficacy compared to other treatment options...
June 2017: Epilepsia
https://www.readbyqxmd.com/read/28502693/prolonged-blood-brain-barrier-disruption-following-laser-interstitial-ablation-in-epilepsy-a-case-series-with-a-case-report-of-postablation-optic-neuritis
#9
Saint-Aaron Morris, Matthew Rollo, Patrick Rollo, Jessica Johnson, Gerald A Grant, Elliott Friedman, Giridhar Kalamangalam, Nitin Tandon
OBJECTIVE: Laser interstitial thermal therapy has become increasingly popular for targeting epileptic foci in a minimally invasive fashion. Despite its use in >1000 patients, the long-term effects of photothermal injury on brain physiology remain poorly understood. METHODS: We prospectively followed clinical and radiographic courses of 13 patients undergoing laser ablation for focal epilepsy by the senior author (N.T.). Only patients with nonenhancing lesions and patients who had a delayed postoperative magnetic resonance imaging (MRI) scan with gadolinium administration approximately 6 months after ablation were considered...
August 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28484885/the-comparative-accuracy-of-the-rosa-stereotactic-robot-across-a-wide-range-of-clinical-applications-and-registration-techniques
#10
Nicholas J Brandmeir, Sandip Savaliya, Pratik Rohatgi, Michael Sather
Robot-assisted stereotactic neurosurgery is an emerging technology with a growing range of applications. The ROSA system is a robotic stereotactic system that has been shown to be accurate in laboratory studies and large case series. The goal of this study was to examine the accuracy of the ROSA across different registration methods as well as different clinical applications. Sixteen patients with one hundred and seventeen stereotactic trajectories were examined. Accuracy was compared by measuring the distance between the trajectory target and the actual termination of the device as determined by imaging...
May 8, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28370739/imaging-of-laser-therapy-in-epilepsy
#11
Lidia M Nagae, Justin M Honce, Eric Nyberg, Steven Ojemann, Aviva Abosch, Cornelia N Drees
BACKGROUND AND PURPOSE: MR-guided laser interstitial thermal therapy (MRgLITT) is an increasingly popular neuroablative method for the surgical treatment of epilepsy patients. This article intends to demonstrate the utility and pitfalls of imaging in the context of patient care with MRgLITT. MATERIAL AND METHODS: A retrospective review of the medical records and imaging database with six illustrative cases selected to demonstrate the use of imaging throughout patient management with MRgLITT in diverse clinical situations and pathologies...
May 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/28362211/laser-interstitial-thermal-therapy-for-palliative-ablation-of-a-chordoma-metastasis-to-the-spine-case-report
#12
Brian J Williams, Patrick J Karas, Ganesh Rao, Laurence D Rhines, Claudio E Tatsui
The authors present the first report of laser interstitial thermal therapy (LITT) ablation of a recurrent chordoma metastasis to the cervical spine. This patient was a 75-year-old woman who was diagnosed and treated for a sacral chordoma, and then developed metastases to the lung and upper thoracic spine. Unfortunately she experienced symptomatic recurrence at the C-7 spinous process. She underwent an uncomplicated LITT to the lesion. The patient convalesced without incident and was discharged on postoperative Day 1...
June 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28353121/temperature-monitored-optical-treatment-for-radial-tissue-expansion
#13
Jinoh Bak, Hyun Wook Kang
Esophageal stricture occurs in 7-23% of patients with gastroesophageal reflux disease. However, the current treatments including stent therapy, balloon dilation, and bougienage involve limitations such as stent migration, formation of the new strictures, and snowplow effect. The purpose of the current study was to investigate the feasibility of structural expansion in tubular tissue ex vivo during temperature-monitored photothermal treatment with a diffusing applicator for esophageal stricture. Porcine liver was used as an ex vivo tissue sample for the current study...
March 29, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28324881/optic-radiation-tractography-and-visual-field-deficits-in-laser-interstitial-thermal-therapy-for-amygdalohippocampectomy-in-patients-with-mesial-temporal-lobe-epilepsy
#14
Dali Yin, John A Thompson, Cornelia Drees, Steven G Ojemann, Lidia Nagae, Victoria S Pelak, Aviva Abosch
BACKGROUND/AIMS: Laser interstitial thermal therapy (LITT) has become an alternative to open-resective surgery for refractory mesial temporal lobe epilepsy (MTLE). Occurrence of visual field defects (VFDs) following open surgery for MTLE is reported at 52-100%. We examined the rate of VFDs following LITT for amygdalohippocampectomy (AHE) and correlated the occurrence of VFDs with damage to the optic radiations, assessed by diffusion tensor tractography (DTI). METHODS: We performed a retrospective analysis of 5 patients who underwent LITT-AHE for medically refractory MTLE...
2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28317125/referenceless-magnetic-resonance-temperature-imaging-using-gaussian-process-modeling
#15
Joshua P Yung, David Fuentes, Christopher J MacLellan, Florian Maier, Yannis Liapis, John D Hazle, R Jason Stafford
PURPOSE: During magnetic resonance (MR)-guided thermal therapies, water proton resonance frequency shift (PRFS)-based MR temperature imaging can quantitatively monitor tissue temperature changes. It is widely known that the PRFS technique is easily perturbed by tissue motion, tissue susceptibility changes, magnetic field drift, and modality-dependent applicator-induced artifacts. Here, a referenceless Gaussian process modeling (GPM)-based estimation of the PRFS is investigated as a methodology to mitigate unwanted background field changes...
March 20, 2017: Medical Physics
https://www.readbyqxmd.com/read/28281498/from-resection-to-ablation-a-review-of-resective-surgical-options-for-temporal-lobe-epilepsy-and-rationale-for-an-ablation-based-approach
#16
REVIEW
Anne Coyle, Jonathan Riley, Chengyuan Wu, Ashwini Sharan
Surgical intervention is of proven benefit in an appropriately selected subset of patients with medically refractory temporal lobe epilepsy. In these patients, a surgical cure both provides the quality of life improvement that comes from seizure freedom as well as a survival benefit. However, patients who undergo open surgical intervention may have a worsening in neurobehavioral outcomes. Laser interstitial thermal therapy (LITT) represents a minimally invasive surgical intervention that has shown promise in improving post-operative neurobehavioral outcomes...
2017: Neurology India
https://www.readbyqxmd.com/read/28244590/laser-thermal-ablation-for-mesiotemporal-epilepsy-analysis-of-ablation-volumes-and-trajectories
#17
Walter J Jermakowicz, Andres M Kanner, Samir Sur, Christina Bermudez, Pierre-Francois D'Haese, John Paul G Kolcun, Iahn Cajigas, Rui Li, Carlos Millan, Ramses Ribot, Enrique A Serrano, Naymee Velez, Merredith R Lowe, Gustavo J Rey, Jonathan R Jagid
OBJECTIVE: To identify features of ablations and trajectories that correlate with optimal seizure control and minimize the risk of neurocognitive deficits in patients undergoing laser interstitial thermal therapy (LiTT) for mesiotemporal epilepsy (mTLE). METHODS: Clinical and radiographic data were reviewed from a prospectively maintained database of all patients undergoing LiTT for the treatment of mTLE at the University of Miami Hospital. Standard preoperative and postoperative evaluations, including contrast-enhanced magnetic resonance imaging (MRI) and neuropsychological testing, were performed in all patients...
May 2017: Epilepsia
https://www.readbyqxmd.com/read/28199998/delayed-intraparenchymal-and-intraventricular-hemorrhage-requiring-surgical-evacuation-after-mri-guided-laser-interstitial-thermal-therapy-for-lesional-epilepsy
#18
Sean M Barber, Luke Tomycz, Timothy George, Dave F Clarke, Mark Lee
BACKGROUND: Symptomatic intracranial hemorrhage is a rare complication of laser interstitial thermal therapy (LITT). OBJECTIVES: To present a unique case of delayed symptomatic intracranial hemorrhage occurring after a LITT procedure for epilepsy in a high-volume center (68 LITT procedures for pediatric epilepsy have been performed). METHODS: An 18-year-old male with epilepsy underwent LITT to an area of heterotopia near the right lateral ventricle...
2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28186470/image-guidance-based-on-mri-for-spinal-interstitial-laser-thermotherapy-technical-aspects-and-accuracy
#19
Claudio E Tatsui, Clarissa N G Nascimento, Dima Suki, Behrang Amini, Jing Li, Amol J Ghia, Jonathan G Thomas, R Jason Stafford, Laurence D Rhines, Juan P Cata, Ashok J Kumar, Ganesh Rao
OBJECTIVE Image guidance for spinal procedures is based on 3D-fluoroscopy or CT, which provide poor visualization of soft tissues, including the spinal cord. To overcome this limitation, the authors developed a method to register intraoperative MRI (iMRI) of the spine into a neuronavigation system, allowing excellent visualization of the spinal cord. This novel technique improved the accuracy in the deployment of laser interstitial thermal therapy probes for the treatment of metastatic spinal cord compression...
May 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28024732/mri-guided-laser-interstitial-thermal-therapy-for-treatment-of-medically-refractory-non-lesional-mesial-temporal-lobe-epilepsy-outcomes-complications-and-current-limitations-a-review
#20
REVIEW
Hena Waseem, Andrew C Vivas, Fernando L Vale
There is a new focus on minimally invasive treatments for medically refractory mesial temporal lobe epilepsy (MTLE). MRI-guided laser interstitial thermal therapy (MRgLITT) is one such minimally invasive procedure, which utilizes MRI guidance and real-time feedback to ablate an epileptogenic focus. A total of 38 patients presenting exclusively with MTLE and no other lesions (including neoplasia), who underwent MRgLITT were reviewed. We evaluated a number of outcome measures, including seizure freedom, neuropsychological performance, complications, and other considerations...
April 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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