Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
661-04-006 ISMRM Abstract

3D-CNN-Based In Situ pSAR Prediction of Implanted Pedicle Screw Systems under 1.5 T MRI Across Multiple Human Models

Primary: Physics & Engineering - Safety
Secondary: Physics & Engineering - In Silico
661-04-006 · AI-Based Analysis in MR Imaging · Thursday, 14 May, 2:35 PM–3:30 PM · Digital Posters Row B
Keywords: In Silico Machine Learning/Artificial Intelligence Mri safety Implantable Medical Device Patient-specific SAR
Accepted
Jiarui Lu1, Amy A Claeson2, Zhongrui Wang1, Jianfeng Zheng 1
1University of Houston, Houston, United States of America
2Highridge Medical, United States of America
Presenting Author: Jianfeng Zheng

Synopsis

Motivation:
Goals:
Approach:
Results:
Full abstract & presentation

The full text, figures, and any recorded presentation for this abstract are not shown here. Log in if you are a member or registered attendee with access.

Full abstracts, figures, and presentations for Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition are available to registered attendees. This content becomes freely available to the public roughly two years after the meeting.

To request or purchase access, contact the ISMRM Central Office at info@ismrm.org.

Log in

References

1. Shellock FG. Radiofrequency energy-induced heating during MR procedures: a review. J Magn Reson Imaging. 2000 Jul;12(1):30–6. doi:10.1002/1522-2586(200007)12:1<30::aid-jmri4>3.0.co;2-s. PMID: 10931562. [doi] [pmid]
2. Lin JC. A new IEEE standard for safety levels with respect to human exposure to radio-frequency radiation. IEEE Antennas Propag Mag. 2006 Feb;48(1):157–9. doi:10.1109/MAP.2006.1645601. [doi]
3. International Electrotechnical Commission. Medical electrical equipment – Part 2-33: Particular requirements for the basic safety and essential performance of magnetic resonance equipment for medical diagnosis. IEC Standard 60601-2-33, 3rd ed. Geneva, Switzerland: IEC; 2010. Amendment 2, 2015.
4. Pei B, Xu Y, Zhao Y, Wu X, Lu D, Wang H, Wu S. Biomechanical comparative analysis of conventional pedicle screws and cortical bone trajectory fixation in the lumbar spine: An in vitro and finite element study. Front Bioeng Biotechnol. 2023 Jan 19;11:1060059. doi: 10.3389/fbioe.2023.1060059. PMID: 36741751. [doi] [pmid]
5. Gaines RW Jr. The use of pedicle-screw internal fixation for the operative treatment of spinal disorders. J Bone Joint Surg Am. 2000 Oct;82(10):1458–76. doi:10.2106/00004623-200010000-00013. PMID: 11057475. [doi] [pmid]
6. Lu J, Yang L, Wang Z, Zheng J. Multi-branch CNN-based prediction of MR RF-induced heating in human models with pedicle screw implants. Proc 2025 Int Appl Comput Electromagn Soc Symp (ACES). Orlando, FL, USA; 2025:1–2. doi:10.23919/ACES66556.2025.11052578. [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/661-04-006