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A Framework for Evaluating Myocardial Stiffness Using 3D-Printed Hearts [article]

Fikunwa Kolawole, Mathias Peirlinck, Tyler E. Cork, Vicky Y. Wang, Seraina A. Dual, Marc E. Levenston, Ellen Kuhl, Daniel B. Ennis
2021 bioRxiv   pre-print
We have developed 3D-printed heart phantoms of known myocardium-mimicking stiffness and MRI relaxation properties and incorporated the heart phantoms within a highly controlled MRI-compatible setup to  ...  The setup enables the acquisition of experimental data needed to evaluate myocardial stiffness using computational constitutive modeling: phantom geometry, loading pressures, boundary conditions, and filling  ...  In conclusion, we have developed an experimental setup for validating MRI and FEM-based myocardial passive stiffness in 3D-printed heart phantoms.  ... 
doi:10.1101/2021.02.21.432169 fatcat:zzk2ubhhxrcohp6gji5vtbcq2e

Front Matter: Volume 9417

2015 Medical Imaging 2015: Biomedical Applications in Molecular, Structural, and Functional Imaging  
SPIE uses a six-digit CID article numbering system in which: The first four digits correspond to the SPIE volume number.  ...  The last two digits indicate publication order within the volume using a Base 36 numbering system employing both numerals and letters.  ...  The judges selected Treatment planning for image-guided neuro-vascular interventions using patient-specific 3D printed phantoms by Megan K.  ... 
doi:10.1117/12.2193783 dblp:conf/mibam/X15 fatcat:wxqfpa4ywnd3leqok5xkxipose

Review of Journal of Cardiovascular Magnetic Resonance 2013

Dudley John Pennell, Arun John Baksi, Philip John Kilner, Raad Hashem Mohiaddin, Sanjay Kumar Prasad, Francisco Alpendurada, Sonya Vidya Babu-Narayan, Stefan Neubauer, David Nigel Firmin
2014 Journal of Cardiovascular Magnetic Resonance  
The editors are delighted to report that the 2012 JCMR Impact Factor (which is published in June 2013) has risen to 5.11, up from 4.44 for 2011 (as published in June 2012), a 15% increase and taking us  ...  For this reason, the Editors have felt that it is useful once per calendar year to summarize the papers for the readership into broad areas of interest or theme, so that areas of interest can be reviewed  ...  Rapid prototyping compliant arterial phantoms for in-vitro studies and device testing This work describes a method of 3D printing to create compliant vascular phantoms for use in CMR experimental studies  ... 
doi:10.1186/s12968-014-0100-2 pmid:25475898 pmcid:PMC4256918 fatcat:ezoujlhuo5abxlna2rvdvh4lme

Track O. Image Computing

P. Suhail Parvaze, S. Ramakrishnan
2016 Biomedical Engineering  
The MR images used for segmentation were preprocessed using skull-stripping and bilateral filtering.  ...  Images of the phantom were reconstructed with the two different system functions using a Tikhonov regularization scheme with a fixed parameter and a modified Kaczmarz algorithm.  ...  Acknowledgement "SFB F3209-18", "HTI:Tech for Med" (ABT08-22-T-7/2013-13), BioTechMed-Graz Acknowledgements This work was funded by the Austrian Science Fund "SFB F3209-18" and by the funds of the Oesterreichische  ... 
doi:10.1515/bmt-2016-5013 pmid:27682695 fatcat:chpj7omugjbi5pisvul6xjhz7m

3D printing of hydrogels: Rational design strategies and emerging biomedical applications

Jinhua Li, Chengtie Wu, Paul K. Chu, Michael Gelinsky
2020 Materials science & engineering. R, Reports  
biomaterial inks and bioinks for 3D printing.  ...  A B S T R A C T 3D printing alias additive manufacturing can transform 3D virtual models created by computer-aided design (CAD) into physical 3D objects in a layer-by-layer manner dispensing with conventional  ...  (C) 3D printing of human kidney phantom. Reproduced with permission [1729]. Copyright 2016, The Authors.  ... 
doi:10.1016/j.mser.2020.100543 fatcat:fjdu5hpqcnfibny5dej7sigjdu

Advances in medical applications of additive manufacturing

Chunxu Li, Dario Pisignano, Yu Zhao, Jiajia Xue
2020 Engineering  
In addition, medical devices used for diagnostics and treatment of various pathological conditions have been developed.  ...  In the past few decades, additive manufacturing (AM) has been developed and applied as a cost-effective and versatile technique for the fabrication of geometrically complex objects in the medical industry  ...  In this framework, the implementation of 3D models can enable a rapid comprehension of anatomical heart defects, including complicated aspects such as crisscross atrioventricular connections [79] .  ... 
doi:10.1016/j.eng.2020.02.018 fatcat:pfkk5ukxl5ebna2kye2ovy2r3q

CARS 2016—Computer Assisted Radiology and Surgery Proceedings of the 30th International Congress and Exhibition Heidelberg, Germany, June 21–25, 2016

2016 International Journal of Computer Assisted Radiology and Surgery  
We would like to thank the Spanish company BQ for the donation of the 3D printing hardware for clinical use.  ...  '', and Amazon Inc., for providing valuable computing resources through an ''AWS in Education Research'' grant.  ...  software and manufactured using 3D printing technology (Fig. 1 ).  ... 
doi:10.1007/s11548-016-1412-5 pmid:27206418 fatcat:uk5r46n2xvhedkfjzmeiweyneq

51st Annual Meeting of the Association for European Paediatric and Congenital Cardiology (AEPC)

2017 Cardiology in the Young  
We aimed to screen newborns for CHD using echocardiography at high altitude.  ...  Screening newborns for complex congenital heart disease (CHD) relies widely on pulse oximetry and clinical examination.  ...  Conclusions: This is a previously unreported cardiac malformation. We were successfully closed by trans-catheter embolisation using an Amplatzer vascular plug IV.  ... 
doi:10.1017/s1047951117000373 fatcat:bpfpiilk2vaozdke5def32ziae

Full Issue PDF

2020 JACC Cardiovascular Imaging  
Patients were re-evaluated 6 weeks after discharge and prospectively followed up for the composite endpoint of heart failure readmission and all-cause mortality.  ...  METHODS A total of 31 patients with HFrEF and immediate heart failure (age 64 AE 15 years, 74% male, left ventricular ejection fraction 20 AE 12%) underwent serial echocardiography during decongestive  ...  The authors are solely responsible for the design and conduct of this study; all study analyses; and the drafting and editing of the paper and its final contents.  ... 
doi:10.1016/s1936-878x(20)30301-6 fatcat:w765zpyw4neohdsuytjzyy4gtm

5th International Symposium on Focused Ultrasound

Menashe Zaaroor, Alon Sinai, Dorit Goldsher, Ayelet Eran, Maria Nassar, Ilana Schlesinger, Jonathon Parker, Vinod Ravikumar, Pejman Ghanouni, Sherman Stein, Casey Halpern, Vibhor Krishna (+1008 others)
2016 Journal of Therapeutic Ultrasound  
Efficacy was assessed using an ELISA for GDNF, tyrosine hydroxylase (TH) and VMAT2 immunolabeling for neural degeneration, HPLC for dopamine, and behavioral analysis (i.e. apomorphine-induced rotational  ...  Utility (defined as percent change in functional disability) was calculated, and Medicare reimbursements were collected as a proxy for societal costcosts of MRgFUS for ET were derived from a combination  ...  SWE showed a stiffening of the LV myocardial wall after ablation (two-fold increase of the myocardial stiffness).  ... 
doi:10.1186/s40349-016-0076-5 fatcat:4vm7i5mt6vheni3hflxd3pwl2i

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  
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  ...  The traditional platforms of CARS Congresses for the scholarly publication and communication process for the presentation of R&D ideas were congress centers or hotels, typically hosting 600-800 participants  ...  We thank NVIDIA for the Titan X hardware grant that allowed us to process the images in a faster way. ].  ... 
doi:10.1007/s11548-020-02171-6 pmid:32514840 fatcat:lyhdb2zfpjcqbf4mmbunddwroq

Table of Contents

2020 2020 IEEE International Ultrasonics Symposium (IUS)  
07:30 AM 2358: Highly Doped AlScN XBAW Resonators with 15.7% k2 eff for 5G RF Filter Applications  ...  Tube Phantom Using Water-Soluble 3D Printed Model for 3D Ultrasound Flow Velocimetry Bowen Jing{2}, Martin Tomov{1}, Amanda Wijntjes{2}, Sai Bhamidipati{3}, Reza Avazmohammadi{3}, Holly Bauser- Heaton  ...  McAleavey University of Rochester, United States 11:50 AM 1599: A 12:20 PM 2430: Elastically Anisotropic Phantoms Constructed from 3D-Printed PLA Fibers Kristyna Herman{2}, Gabriela Torres{1}, Keita  ... 
doi:10.1109/ius46767.2020.9251713 fatcat:nzjz2g5cgrbs7ikrkqajtvb24a

2021 AIUM Award Winners

2021 Journal of ultrasound in medicine  
A S82 Moreno M S102 Morgan T S68, S107 Morris R S65 Muhtadi S S5 Munjal H S97, S104 Murrett J S74, S77 Mutambuze J S44, S45, S47 N Nagarajan E S34, S35 Nagdev A S145 Naief A S16 Narayanamoorthy S S65  ...  S133 McWhirter A S123 Mehta-Lee S S55, S64 Melniker L S71 Mendez A S105 Mendez K S74 Mengsteab P S132 Messina M S33 Meteer S S138 Meyer M S54, S63 Michael S S139 Michel B S167 Miller D S11 Miller H S125  ...  Clips containing MeB + Sonazoid exhibited 100% rupture success rate for the hand-made film, and 66% success rate for the 3D-printed cap.  ... 
doi:10.1002/jum.15752 fatcat:v4nx5fvjwndrzfppaiaylgon64

International Society for Therapeutic Ultrasound Conference 2016

Brian Fowlkes, Pejman Ghanouni, Narendra Sanghvi, Constantin Coussios, Paul C. Lyon, Michael Gray, Christophoros Mannaris, Marie de Saint Victor, Eleanor Stride, Robin Cleveland, Robert Carlisle, Feng Wu (+723 others)
2017 Journal of Therapeutic Ultrasound  
This may pose a challenge when treating an organ which comprises of several tissue types. Another challenge stems from the need for a high rate of image acquisition.  ...  Conclusions X-ray CT HU are sensitive to thermal changes, indicating their potential to serve as a tool for thermal monitoring.  ...  A custom-designed 3D printed jig was used to hold the transducer and phantom in known positions.  ... 
doi:10.1186/s40349-016-0079-2 fatcat:wjrvxyhd5bappjipymenn5swwq

A design methodology for 2D sparse NDE arrays using an efficient implementation of refracted-ray TFM

Jerzy Dziewierz, Timothy Lardner, Anthony Gachagan
2013 2013 IEEE International Ultrasonics Symposium (IUS)  
A second technology uses ultrasound to noninvasively control the microstructure of collagen within engineered tissues.  ...  These changes in collagen microstructure were produced using both ultrasound standing wave fields and traveling wave fields.  ...  The authors acknowledge the ANR and DGA for their support under the project Metactif, grant ANR-11-ASTR-015.  ... 
doi:10.1109/ultsym.2013.0035 fatcat:th5znfh7y5bklfdbmhb4u6iq2i
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