Safety and image quality at 7T MRI for deep brain stimulation systems: Ex vivo study with lead-only and full-systems
Ultra-high field MRI at 7 T can produce much better visualization of sub-cortical structures
compared to lower field, which can greatly help target verification as well as overall …
compared to lower field, which can greatly help target verification as well as overall …
A comparative study of RF heating of deep brain stimulation devices in vertical vs. horizontal MRI systems
The majority of studies that assess magnetic resonance imaging (MRI) induced
radiofrequency (RF) heating of the tissue when active electronic implants are present have …
radiofrequency (RF) heating of the tissue when active electronic implants are present have …
Vertical open‐bore MRI scanners generate significantly less radiofrequency heating around implanted leads: A study of deep brain stimulation implants in 1.2 T OASIS …
Purpose Patients with active implants such as deep brain stimulation (DBS) devices are
often denied access to MRI due to safety concerns associated with the radiofrequency (RF) …
often denied access to MRI due to safety concerns associated with the radiofrequency (RF) …
Effect of field strength on RF power deposition near conductive leads: A simulation study of SAR in DBS lead models during MRI at 1.5 T—10.5 T
Background Since the advent of magnetic resonance imaging (MRI) nearly four decades
ago, there has been a quest for ever-higher magnetic field strengths. Strong incentives exist …
ago, there has been a quest for ever-higher magnetic field strengths. Strong incentives exist …
Machine learning-based prediction of MRI-induced power absorption in the tissue in patients with simplified deep brain stimulation lead models
Interaction of an active electronic implant such as a deep brain stimulation (DBS) system
and magnetic resonance imaging (MRI) radiofrequency (RF) fields can induce excessive …
and magnetic resonance imaging (MRI) radiofrequency (RF) fields can induce excessive …
Safety of MRI in patients with retained cardiac leads
Purpose To evaluate the safety of MRI in patients with fragmented retained leads (FRLs)
through numerical simulation and phantom experiments. Methods Electromagnetic and …
through numerical simulation and phantom experiments. Methods Electromagnetic and …
Patient's body composition can significantly affect RF power deposition in the tissue around DBS implants: ramifications for lead management strategies and MRI field …
Patients with active implants such as deep brain stimulation (DBS) devices have limited
access to magnetic resonance imaging (MRI) due to risks associated with RF heating of …
access to magnetic resonance imaging (MRI) due to risks associated with RF heating of …
On the accuracy of Tier 4 simulations to predict RF heating of wire implants during magnetic resonance imaging at 1.5 T
Magnetic Resonance Imaging (MRI) access remains conditional to patients with conductive
medical implants, as RF heating generated around the implant during scanning may cause …
medical implants, as RF heating generated around the implant during scanning may cause …
Application of Machine learning to predict RF heating of cardiac leads during magnetic resonance imaging at 1.5 T and 3 T: A simulation study
X Chen, C Zheng, L Golestanirad - Journal of Magnetic Resonance, 2023 - Elsevier
Predicting magnetic resonance imaging (MRI)-induced heating of elongated conductive
implants, such as leads in cardiovascular implantable electronic devices, is essential to …
implants, such as leads in cardiovascular implantable electronic devices, is essential to …
Investigation of alternative RF power limit control methods for 0.5 T, 1.5 T, and 3T parallel transmission cardiac imaging: A simulation study
J Petzold, S Schmitter, B Silemek… - Magnetic …, 2024 - Wiley Online Library
Purpose To investigate safety and performance aspects of parallel‐transmit (pTx) RF control‐
modes for a body coil at B 0≤ 3 TB _0 ≤ 3 T. Methods Electromagnetic simulations of 11 …
modes for a body coil at B 0≤ 3 TB _0 ≤ 3 T. Methods Electromagnetic simulations of 11 …