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Toward optical coherence tomography angiography-based biomarkers to assess the safety of peripheral nerve electrostimulation

Srikanth Vasudevan, Jesse Vo, Benjamin Shafer, Ahhyun S Nam, Benjamin J Vakoc, Daniel X Hammer
2019 Journal of Neural Engineering  
The present study aims to develop an optical imaging-based approach for real-time assessment of peripheral nerve injury associated with electrical stimulation.  ...  To support rapid advancement in the field, novel approaches to predict and prevent nerve injury resulting from electrical stimulation must be developed to overcome the limitations of traditional histological  ...  This research was carried out in the Division of Biomedical Physics, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, U.S.  ... 
doi:10.1088/1741-2552/ab1405 pmid:30917357 pmcid:PMC6583899 fatcat:7gsxvtwndrdcvjzdpvielx5r34

Automatic and efficient contrast-based 2-D/3-D fusion for trans-catheter aortic valve implantation (TAVI)

Rui Liao, Shun Miao, Yefeng Zheng
2013 Computerized Medical Imaging and Graphics  
A hybrid method is then applied for contrast-based 2-D/3-D registration between the 3-D model and the detected angiographic frame.  ...  In this paper, a fully automatic and efficient system for contrast-based 2-D/3-D fusion for TAVI is presented.  ...  Alois Nöttling from Siemens AX Germany for providing the data in this study.  ... 
doi:10.1016/j.compmedimag.2013.01.008 pmid:23428830 fatcat:aiukwbbdjrbffnwjy3hbabgfdi

Reconstruction techniques for cardiac cine MRI

Rosa-María Menchón-Lara, Federico Simmross-Wattenberg, Pablo Casaseca-de-la-Higuera, Marcos Martín-Fernández, Carlos Alberola-López
2019 Insights into Imaging  
Thus, this paper aims to provide a general vision about cine MRI as the standard procedure in functional evaluation of the heart, focusing on technical methodologies.  ...  Additionally, clinical relevance, main challenges, and future trends of this image modality are outlined.  ...  transform; LGE: Late gadolinium enhancement; LLR: Locally low rank; MC: Motion compensation; MC-CS: Motion compensated CS; ME: Motion estimation; ME-MC: Motion estimation and compensation; MOCCO: Model  ... 
doi:10.1186/s13244-019-0754-2 pmid:31549235 pmcid:PMC6757088 fatcat:s5574wj5pjadhbq5rah7k3h6lu

Compressed sensing for body MRI

Li Feng, Thomas Benkert, Kai Tobias Block, Daniel K. Sodickson, Ricardo Otazo, Hersh Chandarana
2016 Journal of Magnetic Resonance Imaging  
coverage, and sensitivity to respiratory motion.  ...  This paper presents a brief overview of the application of compressed sensing techniques in body MRI, where imaging speed is crucial due to the presence of respiratory motion along with stringent constraints  ...  Comparison of GRASP without motion compensation to XD-GRASP with reconstruction of an extra respiratory motion for three image slices.  ... 
doi:10.1002/jmri.25547 pmid:27981664 pmcid:PMC5352490 fatcat:ulfop3kccrg4tdpqsybotylccy

SU-FF-I-79: Java-Based Plugin for Tomographic Reconstruction for SPECT Data

M Andrade, M Costa, A Marques da Silva
2006 Medical Physics (Lancaster)  
True alignment of planning and on-board image data was achieved according to a 3D point-based registration of the 6 reference BBs in the CT and CBCT images.  ...  Single-axis rotations up to +/-10 o and 3-axis translations up to +/-10 mm were simulated in the planning CT, prior to the generation of reference DTS images.  ...  Further investigations will focus on determining the optimal compensation scheme for patient and task specific CBCT imaging.  ... 
doi:10.1118/1.2240759 fatcat:5we2nvgwx5hrxcv2ngufce6obq

Cardiac and Thoracic-Abdominal Surgery

2006 International Journal of Computer Assisted Radiology and Surgery  
The AESOP 3000DS Endoscope Positioner is used for the experiments and the dynamic model of the robot is found using a series-parallel model for system identification.  ...  Abstract A control algorithm is developed to synchronize a robotic surgical system with a moving heart to facilitate beating heart surgery The algorithm is based on model reference control, where feedforward  ...  In the case of respiratory motion, where the subject moves cyclically, t can be replaced by respiratory phase parameter /.  ... 
doi:10.1007/s11548-006-0021-0 fatcat:7girlkxijner7ay3zih4jrzugq

TU-B-I-617-01: High Field MRI - Technology, Applications, Safety, and Limitations

RJ Stafford
2005 Medical Physics (Lancaster)  
SU-FF-J-50 SU-FF-J-51 Auto-Regressive-Moving-Average Modeling of Respiratory Motion in Radiation Therapy M Luo*, W Zheng, R Jeraj, S Fain, Univ of Wisconsin-Madison, Madison, WI Purpose: To construct  ...  Conclusion: A prospective modeling and prediction method has been demonstrated for respiratory motion compensation in radiation therapy without prolonged treatment time.  ...  and to measure respiratory motion.  ... 
doi:10.1118/1.1999700 fatcat:yub56igoe5cl3cthdpzwrdvjp4

SU-EE-A3-06: An Efficient Algorithm for Image-Based Dose Deformation and Accumulation

M Kaus, V Pekar, T McNutt, K Bzdusek
2005 Medical Physics (Lancaster)  
SU-FF-J-50 SU-FF-J-51 Auto-Regressive-Moving-Average Modeling of Respiratory Motion in Radiation Therapy M Luo*, W Zheng, R Jeraj, S Fain, Univ of Wisconsin-Madison, Madison, WI Purpose: To construct  ...  Conclusion: A prospective modeling and prediction method has been demonstrated for respiratory motion compensation in radiation therapy without prolonged treatment time.  ...  and to measure respiratory motion.  ... 
doi:10.1118/1.1997464 fatcat:zue2hfmc5ze6ziwu332w3u2lue

TU-EE-A3-05: Scatter Radiation in Digital Tomosynthesis

B Liu, S Glick, X Gong
2005 Medical Physics (Lancaster)  
SU-FF-J-50 SU-FF-J-51 Auto-Regressive-Moving-Average Modeling of Respiratory Motion in Radiation Therapy M Luo*, W Zheng, R Jeraj, S Fain, Univ of Wisconsin-Madison, Madison, WI Purpose: To construct  ...  Conclusion: A prospective modeling and prediction method has been demonstrated for respiratory motion compensation in radiation therapy without prolonged treatment time.  ...  and to measure respiratory motion.  ... 
doi:10.1118/1.1998434 fatcat:jnqebvqstnhixdmecqmh35gfbi

A review of 3D first-pass, whole-heart, myocardial perfusion cardiovascular magnetic resonance

Merlin J. Fair, Peter D. Gatehouse, Edward V. R. DiBella, David N. Firmin
2015 Journal of Cardiovascular Magnetic Resonance  
A comprehensive review is undertaken of the methods available for 3D whole-heart first-pass perfusion (FPP) and their application to date, with particular focus on possible acceleration techniques.  ...  Following a summary of the parameters typically desired of 3D FPP methods, the review explains the mechanisms of key acceleration techniques and their potential use in FPP for attaining 3D acquisitions  ...  data whilst prospectively compensating for the respiratory motion.  ... 
doi:10.1186/s12968-015-0162-9 pmid:26231784 pmcid:PMC4522116 fatcat:46jfox2n4bgvvgzcwenlsn5iou

A combined local and global motion estimation and compensation method for cardiac CT

Qiulin Tang, Beshan Chiang, Akinola Akinyemi, Alexander Zamyatin, Bibo Shi, Satoru Nakanishi, Bruce R. Whiting, Christoph Hoeschen
2014 Medical Imaging 2014: Physics of Medical Imaging  
The proposed SMEIR algorithm consists of two alternating steps: 1) model-based image reconstruction to obtain motion-compensated primary CBCT (m-pCBCT) and 2) motion model estimation through an unconstraint  ...  Respiratory induced cardiac motion was simulated by imaging a cardiac phantom whilst moving it using a respiratory motion motor.  ...  2 cm) in tens of minutes yielding images containing millions of spectra. Spectra are then automatically classified as one of seven cell-types in prostate tissue in a matter of seconds.  ... 
doi:10.1117/12.2043492 fatcat:fyzpc5m6jbh7fjohqpdmtzkhte

Single Photon Emission Computed Tomography (SPECT) Myocardial Perfusion Imaging Guidelines: Instrumentation, Acquisition, Processing, and Interpretation

Sharmila Dorbala, Karthik Ananthasubramaniam, Ian S. Armstrong, Panithaya Chareonthaitawee, E. Gordon DePuey, Andrew J. Einstein, Robert J. Gropler, Thomas A. Holly, John J. Mahmarian, Mi-Ae Park, Donna M. Polk, Raymond Russell (+3 others)
2018 Journal of Nuclear Cardiology  
As such, when considering optimization of the CT exposure, it is more appropriate to focus on a measure that is obtained directly from the CT acquisition system.  ...  respiratory-motion averaging, depending on the CT subsystem.  ... 
doi:10.1007/s12350-018-1283-y pmid:29802599 fatcat:tn6gmv6j3vdzhl2dhs22mxqhc4

Sci-Fri PM: Planning-07: A low diffusion radiochromic gel dosimeter for three-dimensional radiation dosimetry

S Babic, J Battista, K Jordan
2008 Medical Physics (Lancaster)  
We have shown that in the ideal case of identical motion in each cycle we can accurately measure the 4D trajectory.  ...  A physically-based parameter fluence model was developed by matching multi-leaf collimator defined predicted images to measured image profiles.  ...  We have developed algorithms capable of auto-contouring and tracking the motion of tumours in pseudo real-time from 4D MR image sets acquired 4 times per second.  ... 
doi:10.1118/1.2965979 pmid:28512904 fatcat:sjyi6dusdfcnpkcouokve7itdq

CARS 2020—Computer Assisted Radiology and Surgery Proceedings of the 34th International Congress and Exhibition, Munich, Germany, June 23–27, 2020

2020 International Journal of Computer Assisted Radiology and Surgery  
in no order of preference): Int J CARS (2020) 15 (Suppl 1):S1-S214  ...  Aiming to stimulate complimentary thoughts and actions on what is being presented at CARS, implies a number of enabling variables for optimal analogue scholarly communication, such as (examples given are  ...  Measurement of the catheter contact force is also neccessary as well as the guidewire contact force.  ... 
doi:10.1007/s11548-020-02171-6 pmid:32514840 fatcat:lyhdb2zfpjcqbf4mmbunddwroq

Track I

2014 Biomedical Engineering  
The assessment of the cellularity in bone marrow is an essential step in diagnostic processes in pathology.  ...  We show that a properly designed and trained ESN is able to discriminate early and late granulopoietic cells in histopathological images of the human bone marrow with overall mean accuracy (±SD) of 0.846  ...  of Northrhine-Westfalia, Germany for the funding of this work in the Med in.NRW program (grant no. 005-GW01-78A).  ... 
doi:10.1515/bmt-2014-5008 pmid:25385893 fatcat:4o7vqkhdmfgk5fjzqpeh74x5te
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