A Novel FBG-Based Triggering System for Cardiac MR Imaging at 3 Tesla: A Pilot Pre-Clinical Study
This first-ever study demonstrates the applicability of a fiber Bragg grating (FBG) system for MR cardiac triggering of cardiovascular magnetic resonance at 3 Tesla. The unique patented system senses body movements caused by cardiac activity using a non-invasive ballistocardiography (BCG) sensor. Th...
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| Veröffentlicht in: | IEEE access 2020, Vol.8, p.181205-181223 |
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| creator | Nedoma, Jan Martinek, Radek Fajkus, Marcel Brablik, Jindrich Kahankova, Radana Fridrich, Michael Kostelansky, Michal Hanzlikova, Pavla Vojtisek, Lubomir Behbehani, Khosrow |
| description | This first-ever study demonstrates the applicability of a fiber Bragg grating (FBG) system for MR cardiac triggering of cardiovascular magnetic resonance at 3 Tesla. The unique patented system senses body movements caused by cardiac activity using a non-invasive ballistocardiography (BCG) sensor. The pilot research compares a novel FBG-based system with clinically used triggering systems based on electrocardiography (ECG) and pulse oximetry (POX). The pilot pre-clinical study was conducted on 8 subjects at a Siemens Prisma 3T MR Scanner. The study compares images from two basic cardiac sequences, TRUE FISP (Free Induction Decay Steady-State Precession) and PSIR (Phase Sensitive Inversion Recovery), using objective methods and subjective evaluation by clinical experts. The study presents original results that confirm the applicability of optical sensors in the field of cardiac triggering having a number of advantages in comparison to conventional solutions, such as no eddy current interference, ease of placement of the sensor on the patient's body, and senor reusability. The proposed FBG-based system achieves comparable results with the most frequently used and most accurate ECG-based and POX-based clinical systems. In terms of subjective evaluation by experts, the FBG system outperformed the POX-based system used in clinical practice. |
| doi_str_mv | 10.1109/ACCESS.2020.3028224 |
| format | Article |
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The unique patented system senses body movements caused by cardiac activity using a non-invasive ballistocardiography (BCG) sensor. The pilot research compares a novel FBG-based system with clinically used triggering systems based on electrocardiography (ECG) and pulse oximetry (POX). The pilot pre-clinical study was conducted on 8 subjects at a Siemens Prisma 3T MR Scanner. The study compares images from two basic cardiac sequences, TRUE FISP (Free Induction Decay Steady-State Precession) and PSIR (Phase Sensitive Inversion Recovery), using objective methods and subjective evaluation by clinical experts. The study presents original results that confirm the applicability of optical sensors in the field of cardiac triggering having a number of advantages in comparison to conventional solutions, such as no eddy current interference, ease of placement of the sensor on the patient's body, and senor reusability. The proposed FBG-based system achieves comparable results with the most frequently used and most accurate ECG-based and POX-based clinical systems. In terms of subjective evaluation by experts, the FBG system outperformed the POX-based system used in clinical practice.</description><identifier>ISSN: 2169-3536</identifier><identifier>EISSN: 2169-3536</identifier><identifier>DOI: 10.1109/ACCESS.2020.3028224</identifier><identifier>CODEN: IAECCG</identifier><language>eng</language><publisher>Piscataway: IEEE</publisher><subject>Ballistocardiography ; Bragg gratings ; cardiac triggering ; Eddy currents ; Electrocardiography ; electrocardiography (ECG) ; Fiber Bragg grating (FBG) ; Fiber gratings ; Heart ; Magnetic resonance imaging ; magnetic resonance imaging (MRI) ; Monitoring ; optic system ; Optical measuring instruments ; Oximetry ; pulse oximetry (POX)</subject><ispartof>IEEE access, 2020, Vol.8, p.181205-181223</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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The proposed FBG-based system achieves comparable results with the most frequently used and most accurate ECG-based and POX-based clinical systems. In terms of subjective evaluation by experts, the FBG system outperformed the POX-based system used in clinical practice.</description><subject>Ballistocardiography</subject><subject>Bragg gratings</subject><subject>cardiac triggering</subject><subject>Eddy currents</subject><subject>Electrocardiography</subject><subject>electrocardiography (ECG)</subject><subject>Fiber Bragg grating (FBG)</subject><subject>Fiber gratings</subject><subject>Heart</subject><subject>Magnetic resonance imaging</subject><subject>magnetic resonance imaging (MRI)</subject><subject>Monitoring</subject><subject>optic system</subject><subject>Optical measuring instruments</subject><subject>Oximetry</subject><subject>pulse oximetry (POX)</subject><issn>2169-3536</issn><issn>2169-3536</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ESBDL</sourceid><sourceid>RIE</sourceid><sourceid>DOA</sourceid><recordid>eNpNUcFu2zAMNYYNWNH1C3oRsLMzSZRkabfUaLsAbVcs2VlgZMlQ4ESd5BTI38-Zi2K8kHjkeyT4quqa0QVj1Hxbtu3ter3glNMFUK45Fx-qC86UqUGC-vhf_bm6KmVHp9ATJJuLCpfkKb36gdzd3Nc3WHxHNjn2vc_x0JP1qYx-T0LKpMXcRXTk8RdZ7bE_d3EkQDa-DPidLMlzHNJInrOv2yEeosOBrMdjd_pSfQo4FH_1li-r33e3m_ZH_fDzftUuH2onqB5rhy4ooxsDWtAAAAIa4YOTW03ldqtCJxUC94oBcEQNkjrWQMd0UME5D5fVatbtEu7sS457zCebMNp_QMq9xTxGN3i7FcA1Ct2BcQJlh9R5w4zmMP3FmLPW11nrJac_R19Gu0vHfJjOt1xIoRrTSD1NwTzlciol-_C-lVF7tsbO1tizNfbNmol1PbOi9_6dYTijiin4C0IQhpk</recordid><startdate>2020</startdate><enddate>2020</enddate><creator>Nedoma, Jan</creator><creator>Martinek, Radek</creator><creator>Fajkus, Marcel</creator><creator>Brablik, Jindrich</creator><creator>Kahankova, Radana</creator><creator>Fridrich, Michael</creator><creator>Kostelansky, Michal</creator><creator>Hanzlikova, Pavla</creator><creator>Vojtisek, Lubomir</creator><creator>Behbehani, Khosrow</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The unique patented system senses body movements caused by cardiac activity using a non-invasive ballistocardiography (BCG) sensor. The pilot research compares a novel FBG-based system with clinically used triggering systems based on electrocardiography (ECG) and pulse oximetry (POX). The pilot pre-clinical study was conducted on 8 subjects at a Siemens Prisma 3T MR Scanner. The study compares images from two basic cardiac sequences, TRUE FISP (Free Induction Decay Steady-State Precession) and PSIR (Phase Sensitive Inversion Recovery), using objective methods and subjective evaluation by clinical experts. The study presents original results that confirm the applicability of optical sensors in the field of cardiac triggering having a number of advantages in comparison to conventional solutions, such as no eddy current interference, ease of placement of the sensor on the patient's body, and senor reusability. 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| source | DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals; IEEE Xplore Open Access Journals |
| subjects | Ballistocardiography Bragg gratings cardiac triggering Eddy currents Electrocardiography electrocardiography (ECG) Fiber Bragg grating (FBG) Fiber gratings Heart Magnetic resonance imaging magnetic resonance imaging (MRI) Monitoring optic system Optical measuring instruments Oximetry pulse oximetry (POX) |
| title | A Novel FBG-Based Triggering System for Cardiac MR Imaging at 3 Tesla: A Pilot Pre-Clinical Study |
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