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• W2534153811 abstract "Magnetic Resonance Imaging (MRI) is a radiological imaging technique widely used in clinical practice. MRI has been proposed to guide the catheters for interventional procedures, such as cardiac ablation. However, there are risks associated with this procedure, such as RF-induced heating of tissue near the catheters. The aim of this study is to develop a quantitative RF-safety method for patients with partially implanted leads at 64 MHz. RF-induced heating is related to the electric field incident along the catheter, which in turns depends on several variables, including the position of the RF feeding sources and the orientation of the polarization, which are however often unknown. This study evaluates the electric field profile along the lead trajectory using simulations with an anatomical human model landmarked at the heart. The energy absorbed in the volume near the tip of ageneric partially implanted lead was computed for all source positions and field orientation. The results showed that varying source positions and field orientation may result in changes of up to 18% for the E-field magnitude and up to 60% for the 10g-averaged specific absorption rate (SAR) in the volume surrounding the tip of the lead." @default.
• W2534153811 created "2016-10-28" @default.
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• W2534153811 date "2016-08-01" @default.
• W2534153811 modified "2023-09-25" @default.
• W2534153811 title "RF induced energy for partially implanted catheters: A computational study" @default.
• W2534153811 cites W1967011127 @default.
• W2534153811 cites W2016668493 @default.
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• W2534153811 doi "https://doi.org/10.1109/embc.2016.7590934" @default.
• W2534153811 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5809151" @default.
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• W2534153811 hasPublicationYear "2016" @default.
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