ArticleScientific reports2021
Measurement and evaluation of specific absorption rate and temperature elevation caused by an artificial hip joint during MRI scanning.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- RF Power, BSensors (Basel, Switzerland) · 2026Article
- Evaluating the accuracy of the variable flip angle technique for temperature measurement near metallic implants.Quantitative imaging in medicine and surgery · 2025Article
- Article
- Monolayer, open-mesh, pristine PEDOT:PSS-based conformal brain implants for fully MRI-compatible neural interfaces.Biosensors & bioelectronics · 2024Article
- Prediction of body weight from chest radiographs using deep learning with a convolutional neural network.Radiological physics and technology · 2023Article
- Proposed Safety Guidelines for Patient Assistants in an Open MRI Environment.International journal of environmental research and public health · 2022Article
- Safety for Human MR Scanners at 7T.Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine · 2022Article
- Classification Scheme of Heating Risk during MRI Scans on Patients with Orthopaedic Prostheses.Diagnostics (Basel, Switzerland) · 2022Article
- Modelling and Evaluating Electromagnetic Field Exposure in the Multiple-Source Scenario of Using IoT HF RFID Readers.International journal of environmental research and public health · 2022Article
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2 authors.
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Abstract
A primary safety concern in a magnetic resonance imaging environment is heating of metallic implants by absorbing radiofrequency (RF) energy during MRI scanning. Experimental measurement in conjunction with computational modeling was used to evaluate the risk of biological tissue injury from the RF heating of artificial hip joints by obtaining both specific absorption rate (SAR) and temperature elevation at 1.5 T and 3 T MRI systems. Simulation result showed that high SAR and high temperature appeared near both head and tail sections of the artificial hip joints. For five different 1.5 T and 3 T MRI systems, measured temperature location showed that high temperature rises occurred near both head and tail regions of the metallic hip joints. Measured SAR value of 24.6 W/kg and the high temperature rise (= 4.22 °C) occurred in the tail region of the hip joint at 1.5 T, which was higher than the limits for temperature required by the international electrotechnical commission 60601-2-33. We have demonstrated the feasibility of evaluating RF heating of metallic hip joints during MRI scans.
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