RF-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results
Purpose Radiofrequency (RF) ablation with mono- or bipolar electrodes is a common procedure for hepatocellular carcinoma (HCC) with a low rate of recurrence for small size tumors. For larger lesions and/or non-round/ellipsoid shapes RF ablation has some limitations and generally does not achieve com...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ziegle, Jens [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2018 |
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| Schlagwörter: |
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| Anmerkung: |
© CARS 2018 |
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| Übergeordnetes Werk: |
Enthalten in: International journal of computer assisted radiology and surgery - Berlin : Springer, 2006, 13(2018), 6 vom: 20. Apr., Seite 905-916 |
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| Übergeordnetes Werk: |
volume:13 ; year:2018 ; number:6 ; day:20 ; month:04 ; pages:905-916 |
| Links: |
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| DOI / URN: |
10.1007/s11548-018-1769-8 |
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| Katalog-ID: |
SPR02071307X |
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| 100 | 1 | |a Ziegle, Jens |e verfasserin |0 (orcid)0000-0002-2267-3017 |4 aut | |
| 245 | 1 | 0 | |a RF-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results |
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| 520 | |a Purpose Radiofrequency (RF) ablation with mono- or bipolar electrodes is a common procedure for hepatocellular carcinoma (HCC) with a low rate of recurrence for small size tumors. For larger lesions and/or non-round/ellipsoid shapes RF ablation has some limitations and generally does not achieve comparable success rates to microwave ablation or high-intensity focused ultrasound therapies. Materials and methods To shape RF ablations for matching a tumor size and geometry, we have developed an electronic channel switch box for two bipolar needles that generates multiple selectable ablation patterns. The setup can be used with commercially available mono- or bipolar RF generators. The switch box provides ten selectable ablation procedures to generate different ablation patterns without a relocation of a needle. Five patterns were exemplary generated in ex vivo tissue of porcine liver and chicken breast and visually characterized. Results Different ablation patterns, e.g., in a L- or U-shape, were achieved. In chicken breast a maximum ablation with a diameter of %$4.3\, \hbox {cm}%$ was obtained and in porcine liver %$2.8\, \hbox {cm}%$ with electrodes of %$0.9\, \hbox {cm}%$ length. Conclusion The resulting ablations with the electronic switch box and two bipolar needles show the potential ability to manage RF therapies of complex and large tumor geometries. Next steps would be to validate the actual tissue ablation volumes in further ex vivo and preclinical studies and against simulation results. | ||
| 650 | 4 | |a Ablation pattern |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Bipolar RF needle |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Radiofrequency ablation |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a RFA |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Thermal therapy |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Tumor ablation |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Audigier, Chloé |4 aut | |
| 700 | 1 | |a Krug, Johannes |4 aut | |
| 700 | 1 | |a Ali, Ghazanfar |4 aut | |
| 700 | 1 | |a Kim, Younsu |4 aut | |
| 700 | 1 | |a Boctor, Emad M. |4 aut | |
| 700 | 1 | |a Friebe, Michael |4 aut | |
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10.1007/s11548-018-1769-8 doi (DE-627)SPR02071307X (SPR)s11548-018-1769-8-e DE-627 ger DE-627 rakwb eng Ziegle, Jens verfasserin (orcid)0000-0002-2267-3017 aut RF-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © CARS 2018 Purpose Radiofrequency (RF) ablation with mono- or bipolar electrodes is a common procedure for hepatocellular carcinoma (HCC) with a low rate of recurrence for small size tumors. For larger lesions and/or non-round/ellipsoid shapes RF ablation has some limitations and generally does not achieve comparable success rates to microwave ablation or high-intensity focused ultrasound therapies. Materials and methods To shape RF ablations for matching a tumor size and geometry, we have developed an electronic channel switch box for two bipolar needles that generates multiple selectable ablation patterns. The setup can be used with commercially available mono- or bipolar RF generators. The switch box provides ten selectable ablation procedures to generate different ablation patterns without a relocation of a needle. Five patterns were exemplary generated in ex vivo tissue of porcine liver and chicken breast and visually characterized. Results Different ablation patterns, e.g., in a L- or U-shape, were achieved. In chicken breast a maximum ablation with a diameter of %$4.3\, \hbox {cm}%$ was obtained and in porcine liver %$2.8\, \hbox {cm}%$ with electrodes of %$0.9\, \hbox {cm}%$ length. Conclusion The resulting ablations with the electronic switch box and two bipolar needles show the potential ability to manage RF therapies of complex and large tumor geometries. Next steps would be to validate the actual tissue ablation volumes in further ex vivo and preclinical studies and against simulation results. Ablation pattern (dpeaa)DE-He213 Bipolar RF needle (dpeaa)DE-He213 Radiofrequency ablation (dpeaa)DE-He213 RFA (dpeaa)DE-He213 Thermal therapy (dpeaa)DE-He213 Tumor ablation (dpeaa)DE-He213 Audigier, Chloé aut Krug, Johannes aut Ali, Ghazanfar aut Kim, Younsu aut Boctor, Emad M. aut Friebe, Michael aut Enthalten in International journal of computer assisted radiology and surgery Berlin : Springer, 2006 13(2018), 6 vom: 20. Apr., Seite 905-916 (DE-627)512299250 (DE-600)2235881-X 1861-6429 nnns volume:13 year:2018 number:6 day:20 month:04 pages:905-916 https://dx.doi.org/10.1007/s11548-018-1769-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 13 2018 6 20 04 905-916 |
| spelling |
10.1007/s11548-018-1769-8 doi (DE-627)SPR02071307X (SPR)s11548-018-1769-8-e DE-627 ger DE-627 rakwb eng Ziegle, Jens verfasserin (orcid)0000-0002-2267-3017 aut RF-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © CARS 2018 Purpose Radiofrequency (RF) ablation with mono- or bipolar electrodes is a common procedure for hepatocellular carcinoma (HCC) with a low rate of recurrence for small size tumors. For larger lesions and/or non-round/ellipsoid shapes RF ablation has some limitations and generally does not achieve comparable success rates to microwave ablation or high-intensity focused ultrasound therapies. Materials and methods To shape RF ablations for matching a tumor size and geometry, we have developed an electronic channel switch box for two bipolar needles that generates multiple selectable ablation patterns. The setup can be used with commercially available mono- or bipolar RF generators. The switch box provides ten selectable ablation procedures to generate different ablation patterns without a relocation of a needle. Five patterns were exemplary generated in ex vivo tissue of porcine liver and chicken breast and visually characterized. Results Different ablation patterns, e.g., in a L- or U-shape, were achieved. In chicken breast a maximum ablation with a diameter of %$4.3\, \hbox {cm}%$ was obtained and in porcine liver %$2.8\, \hbox {cm}%$ with electrodes of %$0.9\, \hbox {cm}%$ length. Conclusion The resulting ablations with the electronic switch box and two bipolar needles show the potential ability to manage RF therapies of complex and large tumor geometries. Next steps would be to validate the actual tissue ablation volumes in further ex vivo and preclinical studies and against simulation results. Ablation pattern (dpeaa)DE-He213 Bipolar RF needle (dpeaa)DE-He213 Radiofrequency ablation (dpeaa)DE-He213 RFA (dpeaa)DE-He213 Thermal therapy (dpeaa)DE-He213 Tumor ablation (dpeaa)DE-He213 Audigier, Chloé aut Krug, Johannes aut Ali, Ghazanfar aut Kim, Younsu aut Boctor, Emad M. aut Friebe, Michael aut Enthalten in International journal of computer assisted radiology and surgery Berlin : Springer, 2006 13(2018), 6 vom: 20. Apr., Seite 905-916 (DE-627)512299250 (DE-600)2235881-X 1861-6429 nnns volume:13 year:2018 number:6 day:20 month:04 pages:905-916 https://dx.doi.org/10.1007/s11548-018-1769-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 13 2018 6 20 04 905-916 |
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10.1007/s11548-018-1769-8 doi (DE-627)SPR02071307X (SPR)s11548-018-1769-8-e DE-627 ger DE-627 rakwb eng Ziegle, Jens verfasserin (orcid)0000-0002-2267-3017 aut RF-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © CARS 2018 Purpose Radiofrequency (RF) ablation with mono- or bipolar electrodes is a common procedure for hepatocellular carcinoma (HCC) with a low rate of recurrence for small size tumors. For larger lesions and/or non-round/ellipsoid shapes RF ablation has some limitations and generally does not achieve comparable success rates to microwave ablation or high-intensity focused ultrasound therapies. Materials and methods To shape RF ablations for matching a tumor size and geometry, we have developed an electronic channel switch box for two bipolar needles that generates multiple selectable ablation patterns. The setup can be used with commercially available mono- or bipolar RF generators. The switch box provides ten selectable ablation procedures to generate different ablation patterns without a relocation of a needle. Five patterns were exemplary generated in ex vivo tissue of porcine liver and chicken breast and visually characterized. Results Different ablation patterns, e.g., in a L- or U-shape, were achieved. In chicken breast a maximum ablation with a diameter of %$4.3\, \hbox {cm}%$ was obtained and in porcine liver %$2.8\, \hbox {cm}%$ with electrodes of %$0.9\, \hbox {cm}%$ length. Conclusion The resulting ablations with the electronic switch box and two bipolar needles show the potential ability to manage RF therapies of complex and large tumor geometries. Next steps would be to validate the actual tissue ablation volumes in further ex vivo and preclinical studies and against simulation results. Ablation pattern (dpeaa)DE-He213 Bipolar RF needle (dpeaa)DE-He213 Radiofrequency ablation (dpeaa)DE-He213 RFA (dpeaa)DE-He213 Thermal therapy (dpeaa)DE-He213 Tumor ablation (dpeaa)DE-He213 Audigier, Chloé aut Krug, Johannes aut Ali, Ghazanfar aut Kim, Younsu aut Boctor, Emad M. aut Friebe, Michael aut Enthalten in International journal of computer assisted radiology and surgery Berlin : Springer, 2006 13(2018), 6 vom: 20. Apr., Seite 905-916 (DE-627)512299250 (DE-600)2235881-X 1861-6429 nnns volume:13 year:2018 number:6 day:20 month:04 pages:905-916 https://dx.doi.org/10.1007/s11548-018-1769-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 13 2018 6 20 04 905-916 |
| allfieldsGer |
10.1007/s11548-018-1769-8 doi (DE-627)SPR02071307X (SPR)s11548-018-1769-8-e DE-627 ger DE-627 rakwb eng Ziegle, Jens verfasserin (orcid)0000-0002-2267-3017 aut RF-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © CARS 2018 Purpose Radiofrequency (RF) ablation with mono- or bipolar electrodes is a common procedure for hepatocellular carcinoma (HCC) with a low rate of recurrence for small size tumors. For larger lesions and/or non-round/ellipsoid shapes RF ablation has some limitations and generally does not achieve comparable success rates to microwave ablation or high-intensity focused ultrasound therapies. Materials and methods To shape RF ablations for matching a tumor size and geometry, we have developed an electronic channel switch box for two bipolar needles that generates multiple selectable ablation patterns. The setup can be used with commercially available mono- or bipolar RF generators. The switch box provides ten selectable ablation procedures to generate different ablation patterns without a relocation of a needle. Five patterns were exemplary generated in ex vivo tissue of porcine liver and chicken breast and visually characterized. Results Different ablation patterns, e.g., in a L- or U-shape, were achieved. In chicken breast a maximum ablation with a diameter of %$4.3\, \hbox {cm}%$ was obtained and in porcine liver %$2.8\, \hbox {cm}%$ with electrodes of %$0.9\, \hbox {cm}%$ length. Conclusion The resulting ablations with the electronic switch box and two bipolar needles show the potential ability to manage RF therapies of complex and large tumor geometries. Next steps would be to validate the actual tissue ablation volumes in further ex vivo and preclinical studies and against simulation results. Ablation pattern (dpeaa)DE-He213 Bipolar RF needle (dpeaa)DE-He213 Radiofrequency ablation (dpeaa)DE-He213 RFA (dpeaa)DE-He213 Thermal therapy (dpeaa)DE-He213 Tumor ablation (dpeaa)DE-He213 Audigier, Chloé aut Krug, Johannes aut Ali, Ghazanfar aut Kim, Younsu aut Boctor, Emad M. aut Friebe, Michael aut Enthalten in International journal of computer assisted radiology and surgery Berlin : Springer, 2006 13(2018), 6 vom: 20. Apr., Seite 905-916 (DE-627)512299250 (DE-600)2235881-X 1861-6429 nnns volume:13 year:2018 number:6 day:20 month:04 pages:905-916 https://dx.doi.org/10.1007/s11548-018-1769-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 13 2018 6 20 04 905-916 |
| allfieldsSound |
10.1007/s11548-018-1769-8 doi (DE-627)SPR02071307X (SPR)s11548-018-1769-8-e DE-627 ger DE-627 rakwb eng Ziegle, Jens verfasserin (orcid)0000-0002-2267-3017 aut RF-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © CARS 2018 Purpose Radiofrequency (RF) ablation with mono- or bipolar electrodes is a common procedure for hepatocellular carcinoma (HCC) with a low rate of recurrence for small size tumors. For larger lesions and/or non-round/ellipsoid shapes RF ablation has some limitations and generally does not achieve comparable success rates to microwave ablation or high-intensity focused ultrasound therapies. Materials and methods To shape RF ablations for matching a tumor size and geometry, we have developed an electronic channel switch box for two bipolar needles that generates multiple selectable ablation patterns. The setup can be used with commercially available mono- or bipolar RF generators. The switch box provides ten selectable ablation procedures to generate different ablation patterns without a relocation of a needle. Five patterns were exemplary generated in ex vivo tissue of porcine liver and chicken breast and visually characterized. Results Different ablation patterns, e.g., in a L- or U-shape, were achieved. In chicken breast a maximum ablation with a diameter of %$4.3\, \hbox {cm}%$ was obtained and in porcine liver %$2.8\, \hbox {cm}%$ with electrodes of %$0.9\, \hbox {cm}%$ length. Conclusion The resulting ablations with the electronic switch box and two bipolar needles show the potential ability to manage RF therapies of complex and large tumor geometries. Next steps would be to validate the actual tissue ablation volumes in further ex vivo and preclinical studies and against simulation results. Ablation pattern (dpeaa)DE-He213 Bipolar RF needle (dpeaa)DE-He213 Radiofrequency ablation (dpeaa)DE-He213 RFA (dpeaa)DE-He213 Thermal therapy (dpeaa)DE-He213 Tumor ablation (dpeaa)DE-He213 Audigier, Chloé aut Krug, Johannes aut Ali, Ghazanfar aut Kim, Younsu aut Boctor, Emad M. aut Friebe, Michael aut Enthalten in International journal of computer assisted radiology and surgery Berlin : Springer, 2006 13(2018), 6 vom: 20. Apr., Seite 905-916 (DE-627)512299250 (DE-600)2235881-X 1861-6429 nnns volume:13 year:2018 number:6 day:20 month:04 pages:905-916 https://dx.doi.org/10.1007/s11548-018-1769-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 13 2018 6 20 04 905-916 |
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English |
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Enthalten in International journal of computer assisted radiology and surgery 13(2018), 6 vom: 20. Apr., Seite 905-916 volume:13 year:2018 number:6 day:20 month:04 pages:905-916 |
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Enthalten in International journal of computer assisted radiology and surgery 13(2018), 6 vom: 20. Apr., Seite 905-916 volume:13 year:2018 number:6 day:20 month:04 pages:905-916 |
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Ablation pattern Bipolar RF needle Radiofrequency ablation RFA Thermal therapy Tumor ablation |
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International journal of computer assisted radiology and surgery |
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Ziegle, Jens @@aut@@ Audigier, Chloé @@aut@@ Krug, Johannes @@aut@@ Ali, Ghazanfar @@aut@@ Kim, Younsu @@aut@@ Boctor, Emad M. @@aut@@ Friebe, Michael @@aut@@ |
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2018-04-20T00:00:00Z |
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For larger lesions and/or non-round/ellipsoid shapes RF ablation has some limitations and generally does not achieve comparable success rates to microwave ablation or high-intensity focused ultrasound therapies. Materials and methods To shape RF ablations for matching a tumor size and geometry, we have developed an electronic channel switch box for two bipolar needles that generates multiple selectable ablation patterns. The setup can be used with commercially available mono- or bipolar RF generators. The switch box provides ten selectable ablation procedures to generate different ablation patterns without a relocation of a needle. Five patterns were exemplary generated in ex vivo tissue of porcine liver and chicken breast and visually characterized. Results Different ablation patterns, e.g., in a L- or U-shape, were achieved. In chicken breast a maximum ablation with a diameter of %$4.3\, \hbox {cm}%$ was obtained and in porcine liver %$2.8\, \hbox {cm}%$ with electrodes of %$0.9\, \hbox {cm}%$ length. Conclusion The resulting ablations with the electronic switch box and two bipolar needles show the potential ability to manage RF therapies of complex and large tumor geometries. 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Ziegle, Jens |
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Ziegle, Jens misc Ablation pattern misc Bipolar RF needle misc Radiofrequency ablation misc RFA misc Thermal therapy misc Tumor ablation RF-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results |
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RF-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results Ablation pattern (dpeaa)DE-He213 Bipolar RF needle (dpeaa)DE-He213 Radiofrequency ablation (dpeaa)DE-He213 RFA (dpeaa)DE-He213 Thermal therapy (dpeaa)DE-He213 Tumor ablation (dpeaa)DE-He213 |
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misc Ablation pattern misc Bipolar RF needle misc Radiofrequency ablation misc RFA misc Thermal therapy misc Tumor ablation |
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RF-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results |
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RF-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results |
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Ziegle, Jens |
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International journal of computer assisted radiology and surgery |
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rf-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results |
| title_auth |
RF-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results |
| abstract |
Purpose Radiofrequency (RF) ablation with mono- or bipolar electrodes is a common procedure for hepatocellular carcinoma (HCC) with a low rate of recurrence for small size tumors. For larger lesions and/or non-round/ellipsoid shapes RF ablation has some limitations and generally does not achieve comparable success rates to microwave ablation or high-intensity focused ultrasound therapies. Materials and methods To shape RF ablations for matching a tumor size and geometry, we have developed an electronic channel switch box for two bipolar needles that generates multiple selectable ablation patterns. The setup can be used with commercially available mono- or bipolar RF generators. The switch box provides ten selectable ablation procedures to generate different ablation patterns without a relocation of a needle. Five patterns were exemplary generated in ex vivo tissue of porcine liver and chicken breast and visually characterized. Results Different ablation patterns, e.g., in a L- or U-shape, were achieved. In chicken breast a maximum ablation with a diameter of %$4.3\, \hbox {cm}%$ was obtained and in porcine liver %$2.8\, \hbox {cm}%$ with electrodes of %$0.9\, \hbox {cm}%$ length. Conclusion The resulting ablations with the electronic switch box and two bipolar needles show the potential ability to manage RF therapies of complex and large tumor geometries. Next steps would be to validate the actual tissue ablation volumes in further ex vivo and preclinical studies and against simulation results. © CARS 2018 |
| abstractGer |
Purpose Radiofrequency (RF) ablation with mono- or bipolar electrodes is a common procedure for hepatocellular carcinoma (HCC) with a low rate of recurrence for small size tumors. For larger lesions and/or non-round/ellipsoid shapes RF ablation has some limitations and generally does not achieve comparable success rates to microwave ablation or high-intensity focused ultrasound therapies. Materials and methods To shape RF ablations for matching a tumor size and geometry, we have developed an electronic channel switch box for two bipolar needles that generates multiple selectable ablation patterns. The setup can be used with commercially available mono- or bipolar RF generators. The switch box provides ten selectable ablation procedures to generate different ablation patterns without a relocation of a needle. Five patterns were exemplary generated in ex vivo tissue of porcine liver and chicken breast and visually characterized. Results Different ablation patterns, e.g., in a L- or U-shape, were achieved. In chicken breast a maximum ablation with a diameter of %$4.3\, \hbox {cm}%$ was obtained and in porcine liver %$2.8\, \hbox {cm}%$ with electrodes of %$0.9\, \hbox {cm}%$ length. Conclusion The resulting ablations with the electronic switch box and two bipolar needles show the potential ability to manage RF therapies of complex and large tumor geometries. Next steps would be to validate the actual tissue ablation volumes in further ex vivo and preclinical studies and against simulation results. © CARS 2018 |
| abstract_unstemmed |
Purpose Radiofrequency (RF) ablation with mono- or bipolar electrodes is a common procedure for hepatocellular carcinoma (HCC) with a low rate of recurrence for small size tumors. For larger lesions and/or non-round/ellipsoid shapes RF ablation has some limitations and generally does not achieve comparable success rates to microwave ablation or high-intensity focused ultrasound therapies. Materials and methods To shape RF ablations for matching a tumor size and geometry, we have developed an electronic channel switch box for two bipolar needles that generates multiple selectable ablation patterns. The setup can be used with commercially available mono- or bipolar RF generators. The switch box provides ten selectable ablation procedures to generate different ablation patterns without a relocation of a needle. Five patterns were exemplary generated in ex vivo tissue of porcine liver and chicken breast and visually characterized. Results Different ablation patterns, e.g., in a L- or U-shape, were achieved. In chicken breast a maximum ablation with a diameter of %$4.3\, \hbox {cm}%$ was obtained and in porcine liver %$2.8\, \hbox {cm}%$ with electrodes of %$0.9\, \hbox {cm}%$ length. Conclusion The resulting ablations with the electronic switch box and two bipolar needles show the potential ability to manage RF therapies of complex and large tumor geometries. Next steps would be to validate the actual tissue ablation volumes in further ex vivo and preclinical studies and against simulation results. © CARS 2018 |
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RF-ablation pattern shaping employing switching channels of dual bipolar needle electrodes: ex vivo results |
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https://dx.doi.org/10.1007/s11548-018-1769-8 |
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Audigier, Chloé Krug, Johannes Ali, Ghazanfar Kim, Younsu Boctor, Emad M. Friebe, Michael |
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Audigier, Chloé Krug, Johannes Ali, Ghazanfar Kim, Younsu Boctor, Emad M. Friebe, Michael |
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10.1007/s11548-018-1769-8 |
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2024-07-03T17:47:11.350Z |
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| score |
7.4009514 |