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Motion compensation for MRI-compatible patient-mounted needle guide device: estimation of targeting accuracy in MRI-guided kidney cryoablations
2018
Physics in Medicine and Biology
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We performed: a) a phantom study using a clinical MR scanner to evaluate the performance of registration, b) simulations using intraoperative time-series MR data acquired in 20 clinical cases of MRI-guided ...
renal cryoablations to assess its impact on motion compensation, and c) pilot clinical study in three patients to test its feasibility during the clinical procedure. ...
Jae Hee Park for organizing the MRI data. ...
doi:10.1088/1361-6560/aab736
pmid:29546845
pmcid:PMC5899055
fatcat:cgi4citevrcslc47h75mbcjfxe
Body-mounted robotic instrument guide for image-guided cryotherapy of renal cancer
2016
Medical Physics (Lancaster)
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The authors also performed a mock MRI-guided cryotherapy procedure with a phantom to compare the advantage of robotically assisted probe replacements over a free-hand approach, by introducing organ motions ...
The objective of this paper was to propose a robotic instrument guide for orienting cryotherapy probes in image-guided cryotherapy of renal cancers. ...
The instrument guide is detachable from the rotating units to accommodate multiple probe placements during image-guided cryoablation therapy. ...
doi:10.1118/1.4939875
pmid:26843245
pmcid:PMC4723400
fatcat:mtopoo7qpvhzfl5dln5tousnjq
Perfusion-CT monitoring of cryo-ablated renal cells tumors
2009
Journal of Experimental & Clinical Cancer Research
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In one patient, assessment of perfusion parameters was not feasible for breathing artifacts. ...
No single and thoroughly validated imaging method in monitoring of cryoablated renal cell carcinoma (RCC) is available. ...
Cryoablation of renal tumors can be performed at open, laparoscopic, retroperitoneoscopic surgery and with imaging guided (Computed Tomography, CT; Magnetic Resonance Imaging, MRI) percutaneous approaches ...
doi:10.1186/1756-9966-28-138
pmid:19818144
pmcid:PMC2763857
fatcat:qocltenmu5gkjcexlhg7zagnxe
Advanced Techniques in the Percutaneous Ablation of Liver Tumours
2021
Diagnostics
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MRI has superior soft tissue contrast and hence is more prone to artifacts, while CT is less prone to artifacts and can screen for lung lesions in the same setting. ...
Both CT and MRI are good at detecting local tumour progression, new liver lesions and extrahepatic disease. ...
doi:10.3390/diagnostics11040585
pmid:33805107
fatcat:gy6k7ldtuvcfxcpi2tnmatzeru
Cerebrovascular Complications Related to Atrial Fibrillation Ablation and Strategies for Periprocedural Stroke Prevention
2014
Cardiac Electrophysiology Clinics
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Silent cerebral ischemia can be detected by diffusion-weighted magnetic resonance imaging (MRI) in as many as 50% of patients postablation. ...
Manifest, clinical stroke related to ablation of atrial fibrillation occurs in about 1% of patients. ...
MES are characterized by short-term, high-intensity ultrasonic signals with characteristic audible chirps. 41, 42 With older devices, the differentiation between true embolic signals and artifacts (probe ...
doi:10.1016/j.ccep.2013.10.003
pmid:27063826
fatcat:77mtegickzasvc3kqknyxupnsq
Imaging before and after catheter ablation of atrial fibrillation
2015
Diagnostic and Interventional Imaging
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Imaging plays an important role in guiding the procedure as well as in planning and follow-up. ...
Besides peri-procedural guidance, imaging also plays a essential role in planning and follow-up [2] . ...
of the PV and detecting patients at risk, as well for guiding the procedure by fusion with the mapping system. ...
doi:10.1016/j.diii.2014.12.011
pmid:26025160
fatcat:roakaboqa5c6pesad3kzqieine
Image Fusion During Vascular and Nonvascular Image-Guided Procedures
2013
Techniques in Vascular and Interventional Radiology
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(computed tomography [CT]). 1,2 Detailed spatial or biological information provided by more advanced modalities such as magnetic resonance imaging (MRI) or PET may improve accuracy for therapeutic interventions ...
, as seen in radiation oncology and interventional radiology (IR). 3 In the absence of real-time fusion capabilities, information from preprocedural imaging modalities was integrated mentally by the operator ...
Indeed tracked introducers or microwave and cryoablation probes are not available with all systems. ...
doi:10.1053/j.tvir.2013.02.012
pmid:23993079
pmcid:PMC3874295
fatcat:xrhqhskfjbc47jfsft4e2r7zii
State of the Art and Future Opportunities in MRI-Guided Robot-Assisted Surgery and Interventions
2022
Proceedings of the IEEE
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The use of robotic assistants within the MRI bore, alongside the patient during imaging, enables intraoperative MR imaging (iMRI) to guide a surgical intervention in a closed-loop fashion that can include ...
guiding interventional procedures. ...
An automatic fiducial frame detection and registration method for device-to-image registration in MRI-guided prostate interventions was presented in [176] . ...
doi:10.1109/jproc.2022.3169146
fatcat:acpw6dahirch7jwxkypbw42qq4
2019 Index IEEE Transactions on Biomedical Engineering Vol. 66
2019
IEEE Transactions on Biomedical Engineering
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Rossi, M., Design and In Vivo Verification of a CMOS Bone-Guided Cochlear Implant Microsystem. ...
., +, TBME Jan. 2019 4-13
Design and In Vivo Verification of a CMOS Bone-Guided Cochlear Implant
Microsystem. ...
doi:10.1109/tbme.2020.2964087
fatcat:mdfzsmdahnao5ccnuj232hycsm
Autonomous Real-Time Interventional Scan Plane Control With a 3-D Shape-Sensing Needle
2014
IEEE Transactions on Medical Imaging
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This positional variance is less than the image artifact caused by the needle in high resolution SPGR (spoiled gradient recalled) images. ...
Optical fiber strain sensors can estimate a needle's profile in real-time and be used for MRI scan plane control to potentially enable faster and more accurate physician response. ...
Moslehi (IFOS) for sharing their expertise in optical sensing technologies; and Dr. P. Renaud for technical assistance in the writing of this paper. ...
doi:10.1109/tmi.2014.2332354
pmid:24968093
pmcid:PMC5026644
fatcat:joddgcuqkjbrjdrjmb2i5v4tpy
Continuing Medical Education
1970
Archives of Otolaryngology - Head and Neck Surgery
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The "Fantastic Voyage" of robotics in urology will include presentations on remote robotic surgery, image robotic guided prostate needle interventions, and intra-cavitary magnetic robots and instruments ...
The EUS holds its 25 th annual meeting on Saturday, May 29 th , 2010 in San Francisco, CA. ...
Under image-guidance, when a prostate target point is selected in the MRI image, the guide is automatically oriented to point to the anatomical correspondent of the selected point. ...
doi:10.1001/archotol.1970.04310020001001
fatcat:uuub5tzb7jdqvkcvlmetrs63zm
Meeting report: 2017 Winter School on Therapeutic Ultrasound
2018
Journal of Therapeutic Ultrasound
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In anticipation of the next edition of the Winter School expected in 2019, we are nearly reaching the half way point between offerings of this unique and specialized meeting. ...
The Winter School on Therapeutic Ultrasound held its biennial meeting at the Ecole de Physique des Houches in Les Houches, France from March 26-31, 2017. ...
MRI techniques are varied in design and permit compensation for motion artifacts, monitoring of temperature elevation and/or tissue displacement, perfusion imaging, and in emerging applications, automatic ...
doi:10.1186/s40349-018-0112-8
fatcat:vpkwhadddnbqvm3a7oltfxyzxm
Therapeutic Ultrasound and Prostate Cancer
2017
Seminars in interventional radiology
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FDA approval was recently granted for two ultrasound-guided HIFU devices. Clinical trials for devices using MRI guidance are ongoing. ...
are usually easier to do as compared with MRI-guided procedures. ...
MRI is more sensitive to artifacts from motion and small air bubbles, and requires longer time to re-plan the treatment in case organ or patient motion necessitates it. ...
doi:10.1055/s-0037-1602710
pmid:28579687
pmcid:PMC5453783
fatcat:c3aql55hpvdonbx26nausv5s2i
Navigated ultrasound in laparoscopic surgery
2009
MITAT. Minimally invasive therapy & allied technologies
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The LUS image could be displayed in the same scene, with an indication of the probe position in yellow. ...
Additionally, the tracked position of the LUS probe can be used to display the corresponding slice from a preoperative CT volume, providing improved overview of the position of the LUS image as shown in ...
guidance or guidance of radio frequency and cryoablation. ...
doi:10.1080/13645700802383975
pmid:18855204
fatcat:s3pfrbco35g2dpjfwxbz3tlzru
Navigated Ultrasound in Laparoscopic Surgery
[chapter]
2012
Advances in Laparoscopic Surgery
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The LUS image could be displayed in the same scene, with an indication of the probe position in yellow. ...
Additionally, the tracked position of the LUS probe can be used to display the corresponding slice from a preoperative CT volume, providing improved overview of the position of the LUS image as shown in ...
guidance or guidance of radio frequency and cryoablation. ...
doi:10.5772/29554
fatcat:jlczeocyjnh2dgpupelsqgyshe
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