Reproducibility of aortic annulus measurements by computed tomography
Objectives To evaluate a systematic approach for measurement of aortic annulus dimensions by cardiac computed tomography. Methods CT data sets of 64 patients were evaluated. An oblique cross-section aligned with the aortic root was created by systematically identifying the caudal insertion points of...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Schuhbaeck, Annika [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014 |
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| Schlagwörter: |
Heart valve prosthesis implantation |
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| Anmerkung: |
© European Society of Radiology 2014 |
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| Übergeordnetes Werk: |
Enthalten in: European radiology - Berlin : Springer, 1991, 24(2014), 8 vom: 22. Mai, Seite 1878-1888 |
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| Übergeordnetes Werk: |
volume:24 ; year:2014 ; number:8 ; day:22 ; month:05 ; pages:1878-1888 |
| Links: |
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| DOI / URN: |
10.1007/s00330-014-3199-5 |
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| Katalog-ID: |
SPR004015444 |
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| 100 | 1 | |a Schuhbaeck, Annika |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Reproducibility of aortic annulus measurements by computed tomography |
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| 520 | |a Objectives To evaluate a systematic approach for measurement of aortic annulus dimensions by cardiac computed tomography. Methods CT data sets of 64 patients were evaluated. An oblique cross-section aligned with the aortic root was created by systematically identifying the caudal insertion points of the three aortic cusps and sequentially aligning them in a double oblique plane. Aortic annulus dimensions, distances of coronary ostia and a suitable fluoroscopic projection angle were independently determined by two observers. Results Interobserver intraclass correlation coefficients (ICC) for aortic annulus diameters were excellent (ICC 0.89–0.93). Agreement for prosthesis size selection was excellent (ĸ = 0.86 for mean, ĸ = 0.84 for area-derived and ĸ = 0.91 for circumference-derived diameter). Mean distances of the left/right coronary ostium were 13.4 ± 2.4/14.4 ± 2.8 mm for observer 1 and 13.2 ± 2.7/13.5 ± 3.2 mm for observer 2 (p = 0.30 and p = 0.0001, respectively; ICC 0.76/0.77 for left/right coronary artery). A difference of less than 10° for fluoroscopic projection angle was achieved in 84.3 % of patients. Conclusions A systematic approach to generate a double oblique imaging plane exactly aligned with the aortic annulus demonstrates high interobserver and intraobserver agreements for derived measurements which are not influenced by aortic root calcification. Key Points • Systematic approach to generate a double oblique imaging plane for TAVI evaluation. • This method is straightforward and software independent. • An approach with high reproducibility, not influenced by aortic root calcification. | ||
| 650 | 4 | |a Aortic valve stenosis |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Heart valve prosthesis implantation |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Multidetector computed tomography |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Cardiac imaging techniques |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Imaging |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Three-dimensional |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Achenbach, Stephan |4 aut | |
| 700 | 1 | |a Pflederer, Tobias |4 aut | |
| 700 | 1 | |a Marwan, Mohamed |4 aut | |
| 700 | 1 | |a Schmid, Jasmin |4 aut | |
| 700 | 1 | |a Nef, Holger |4 aut | |
| 700 | 1 | |a Rixe, Johannes |4 aut | |
| 700 | 1 | |a Hecker, Franziska |4 aut | |
| 700 | 1 | |a Schneider, Christian |4 aut | |
| 700 | 1 | |a Lell, Michael |4 aut | |
| 700 | 1 | |a Uder, Michael |4 aut | |
| 700 | 1 | |a Arnold, Martin |4 aut | |
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10.1007/s00330-014-3199-5 doi (DE-627)SPR004015444 (SPR)s00330-014-3199-5-e DE-627 ger DE-627 rakwb eng Schuhbaeck, Annika verfasserin aut Reproducibility of aortic annulus measurements by computed tomography 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Society of Radiology 2014 Objectives To evaluate a systematic approach for measurement of aortic annulus dimensions by cardiac computed tomography. Methods CT data sets of 64 patients were evaluated. An oblique cross-section aligned with the aortic root was created by systematically identifying the caudal insertion points of the three aortic cusps and sequentially aligning them in a double oblique plane. Aortic annulus dimensions, distances of coronary ostia and a suitable fluoroscopic projection angle were independently determined by two observers. Results Interobserver intraclass correlation coefficients (ICC) for aortic annulus diameters were excellent (ICC 0.89–0.93). Agreement for prosthesis size selection was excellent (ĸ = 0.86 for mean, ĸ = 0.84 for area-derived and ĸ = 0.91 for circumference-derived diameter). Mean distances of the left/right coronary ostium were 13.4 ± 2.4/14.4 ± 2.8 mm for observer 1 and 13.2 ± 2.7/13.5 ± 3.2 mm for observer 2 (p = 0.30 and p = 0.0001, respectively; ICC 0.76/0.77 for left/right coronary artery). A difference of less than 10° for fluoroscopic projection angle was achieved in 84.3 % of patients. Conclusions A systematic approach to generate a double oblique imaging plane exactly aligned with the aortic annulus demonstrates high interobserver and intraobserver agreements for derived measurements which are not influenced by aortic root calcification. Key Points • Systematic approach to generate a double oblique imaging plane for TAVI evaluation. • This method is straightforward and software independent. • An approach with high reproducibility, not influenced by aortic root calcification. Aortic valve stenosis (dpeaa)DE-He213 Heart valve prosthesis implantation (dpeaa)DE-He213 Multidetector computed tomography (dpeaa)DE-He213 Cardiac imaging techniques (dpeaa)DE-He213 Imaging (dpeaa)DE-He213 Three-dimensional (dpeaa)DE-He213 Achenbach, Stephan aut Pflederer, Tobias aut Marwan, Mohamed aut Schmid, Jasmin aut Nef, Holger aut Rixe, Johannes aut Hecker, Franziska aut Schneider, Christian aut Lell, Michael aut Uder, Michael aut Arnold, Martin aut Enthalten in European radiology Berlin : Springer, 1991 24(2014), 8 vom: 22. Mai, Seite 1878-1888 (DE-627)268757526 (DE-600)1472718-3 1432-1084 nnns volume:24 year:2014 number:8 day:22 month:05 pages:1878-1888 https://dx.doi.org/10.1007/s00330-014-3199-5 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_152 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 24 2014 8 22 05 1878-1888 |
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10.1007/s00330-014-3199-5 doi (DE-627)SPR004015444 (SPR)s00330-014-3199-5-e DE-627 ger DE-627 rakwb eng Schuhbaeck, Annika verfasserin aut Reproducibility of aortic annulus measurements by computed tomography 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Society of Radiology 2014 Objectives To evaluate a systematic approach for measurement of aortic annulus dimensions by cardiac computed tomography. Methods CT data sets of 64 patients were evaluated. An oblique cross-section aligned with the aortic root was created by systematically identifying the caudal insertion points of the three aortic cusps and sequentially aligning them in a double oblique plane. Aortic annulus dimensions, distances of coronary ostia and a suitable fluoroscopic projection angle were independently determined by two observers. Results Interobserver intraclass correlation coefficients (ICC) for aortic annulus diameters were excellent (ICC 0.89–0.93). Agreement for prosthesis size selection was excellent (ĸ = 0.86 for mean, ĸ = 0.84 for area-derived and ĸ = 0.91 for circumference-derived diameter). Mean distances of the left/right coronary ostium were 13.4 ± 2.4/14.4 ± 2.8 mm for observer 1 and 13.2 ± 2.7/13.5 ± 3.2 mm for observer 2 (p = 0.30 and p = 0.0001, respectively; ICC 0.76/0.77 for left/right coronary artery). A difference of less than 10° for fluoroscopic projection angle was achieved in 84.3 % of patients. Conclusions A systematic approach to generate a double oblique imaging plane exactly aligned with the aortic annulus demonstrates high interobserver and intraobserver agreements for derived measurements which are not influenced by aortic root calcification. Key Points • Systematic approach to generate a double oblique imaging plane for TAVI evaluation. • This method is straightforward and software independent. • An approach with high reproducibility, not influenced by aortic root calcification. Aortic valve stenosis (dpeaa)DE-He213 Heart valve prosthesis implantation (dpeaa)DE-He213 Multidetector computed tomography (dpeaa)DE-He213 Cardiac imaging techniques (dpeaa)DE-He213 Imaging (dpeaa)DE-He213 Three-dimensional (dpeaa)DE-He213 Achenbach, Stephan aut Pflederer, Tobias aut Marwan, Mohamed aut Schmid, Jasmin aut Nef, Holger aut Rixe, Johannes aut Hecker, Franziska aut Schneider, Christian aut Lell, Michael aut Uder, Michael aut Arnold, Martin aut Enthalten in European radiology Berlin : Springer, 1991 24(2014), 8 vom: 22. Mai, Seite 1878-1888 (DE-627)268757526 (DE-600)1472718-3 1432-1084 nnns volume:24 year:2014 number:8 day:22 month:05 pages:1878-1888 https://dx.doi.org/10.1007/s00330-014-3199-5 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_152 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 24 2014 8 22 05 1878-1888 |
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10.1007/s00330-014-3199-5 doi (DE-627)SPR004015444 (SPR)s00330-014-3199-5-e DE-627 ger DE-627 rakwb eng Schuhbaeck, Annika verfasserin aut Reproducibility of aortic annulus measurements by computed tomography 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Society of Radiology 2014 Objectives To evaluate a systematic approach for measurement of aortic annulus dimensions by cardiac computed tomography. Methods CT data sets of 64 patients were evaluated. An oblique cross-section aligned with the aortic root was created by systematically identifying the caudal insertion points of the three aortic cusps and sequentially aligning them in a double oblique plane. Aortic annulus dimensions, distances of coronary ostia and a suitable fluoroscopic projection angle were independently determined by two observers. Results Interobserver intraclass correlation coefficients (ICC) for aortic annulus diameters were excellent (ICC 0.89–0.93). Agreement for prosthesis size selection was excellent (ĸ = 0.86 for mean, ĸ = 0.84 for area-derived and ĸ = 0.91 for circumference-derived diameter). Mean distances of the left/right coronary ostium were 13.4 ± 2.4/14.4 ± 2.8 mm for observer 1 and 13.2 ± 2.7/13.5 ± 3.2 mm for observer 2 (p = 0.30 and p = 0.0001, respectively; ICC 0.76/0.77 for left/right coronary artery). A difference of less than 10° for fluoroscopic projection angle was achieved in 84.3 % of patients. Conclusions A systematic approach to generate a double oblique imaging plane exactly aligned with the aortic annulus demonstrates high interobserver and intraobserver agreements for derived measurements which are not influenced by aortic root calcification. Key Points • Systematic approach to generate a double oblique imaging plane for TAVI evaluation. • This method is straightforward and software independent. • An approach with high reproducibility, not influenced by aortic root calcification. Aortic valve stenosis (dpeaa)DE-He213 Heart valve prosthesis implantation (dpeaa)DE-He213 Multidetector computed tomography (dpeaa)DE-He213 Cardiac imaging techniques (dpeaa)DE-He213 Imaging (dpeaa)DE-He213 Three-dimensional (dpeaa)DE-He213 Achenbach, Stephan aut Pflederer, Tobias aut Marwan, Mohamed aut Schmid, Jasmin aut Nef, Holger aut Rixe, Johannes aut Hecker, Franziska aut Schneider, Christian aut Lell, Michael aut Uder, Michael aut Arnold, Martin aut Enthalten in European radiology Berlin : Springer, 1991 24(2014), 8 vom: 22. Mai, Seite 1878-1888 (DE-627)268757526 (DE-600)1472718-3 1432-1084 nnns volume:24 year:2014 number:8 day:22 month:05 pages:1878-1888 https://dx.doi.org/10.1007/s00330-014-3199-5 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_152 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 24 2014 8 22 05 1878-1888 |
| allfieldsGer |
10.1007/s00330-014-3199-5 doi (DE-627)SPR004015444 (SPR)s00330-014-3199-5-e DE-627 ger DE-627 rakwb eng Schuhbaeck, Annika verfasserin aut Reproducibility of aortic annulus measurements by computed tomography 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Society of Radiology 2014 Objectives To evaluate a systematic approach for measurement of aortic annulus dimensions by cardiac computed tomography. Methods CT data sets of 64 patients were evaluated. An oblique cross-section aligned with the aortic root was created by systematically identifying the caudal insertion points of the three aortic cusps and sequentially aligning them in a double oblique plane. Aortic annulus dimensions, distances of coronary ostia and a suitable fluoroscopic projection angle were independently determined by two observers. Results Interobserver intraclass correlation coefficients (ICC) for aortic annulus diameters were excellent (ICC 0.89–0.93). Agreement for prosthesis size selection was excellent (ĸ = 0.86 for mean, ĸ = 0.84 for area-derived and ĸ = 0.91 for circumference-derived diameter). Mean distances of the left/right coronary ostium were 13.4 ± 2.4/14.4 ± 2.8 mm for observer 1 and 13.2 ± 2.7/13.5 ± 3.2 mm for observer 2 (p = 0.30 and p = 0.0001, respectively; ICC 0.76/0.77 for left/right coronary artery). A difference of less than 10° for fluoroscopic projection angle was achieved in 84.3 % of patients. Conclusions A systematic approach to generate a double oblique imaging plane exactly aligned with the aortic annulus demonstrates high interobserver and intraobserver agreements for derived measurements which are not influenced by aortic root calcification. Key Points • Systematic approach to generate a double oblique imaging plane for TAVI evaluation. • This method is straightforward and software independent. • An approach with high reproducibility, not influenced by aortic root calcification. Aortic valve stenosis (dpeaa)DE-He213 Heart valve prosthesis implantation (dpeaa)DE-He213 Multidetector computed tomography (dpeaa)DE-He213 Cardiac imaging techniques (dpeaa)DE-He213 Imaging (dpeaa)DE-He213 Three-dimensional (dpeaa)DE-He213 Achenbach, Stephan aut Pflederer, Tobias aut Marwan, Mohamed aut Schmid, Jasmin aut Nef, Holger aut Rixe, Johannes aut Hecker, Franziska aut Schneider, Christian aut Lell, Michael aut Uder, Michael aut Arnold, Martin aut Enthalten in European radiology Berlin : Springer, 1991 24(2014), 8 vom: 22. Mai, Seite 1878-1888 (DE-627)268757526 (DE-600)1472718-3 1432-1084 nnns volume:24 year:2014 number:8 day:22 month:05 pages:1878-1888 https://dx.doi.org/10.1007/s00330-014-3199-5 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_152 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 24 2014 8 22 05 1878-1888 |
| allfieldsSound |
10.1007/s00330-014-3199-5 doi (DE-627)SPR004015444 (SPR)s00330-014-3199-5-e DE-627 ger DE-627 rakwb eng Schuhbaeck, Annika verfasserin aut Reproducibility of aortic annulus measurements by computed tomography 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Society of Radiology 2014 Objectives To evaluate a systematic approach for measurement of aortic annulus dimensions by cardiac computed tomography. Methods CT data sets of 64 patients were evaluated. An oblique cross-section aligned with the aortic root was created by systematically identifying the caudal insertion points of the three aortic cusps and sequentially aligning them in a double oblique plane. Aortic annulus dimensions, distances of coronary ostia and a suitable fluoroscopic projection angle were independently determined by two observers. Results Interobserver intraclass correlation coefficients (ICC) for aortic annulus diameters were excellent (ICC 0.89–0.93). Agreement for prosthesis size selection was excellent (ĸ = 0.86 for mean, ĸ = 0.84 for area-derived and ĸ = 0.91 for circumference-derived diameter). Mean distances of the left/right coronary ostium were 13.4 ± 2.4/14.4 ± 2.8 mm for observer 1 and 13.2 ± 2.7/13.5 ± 3.2 mm for observer 2 (p = 0.30 and p = 0.0001, respectively; ICC 0.76/0.77 for left/right coronary artery). A difference of less than 10° for fluoroscopic projection angle was achieved in 84.3 % of patients. Conclusions A systematic approach to generate a double oblique imaging plane exactly aligned with the aortic annulus demonstrates high interobserver and intraobserver agreements for derived measurements which are not influenced by aortic root calcification. Key Points • Systematic approach to generate a double oblique imaging plane for TAVI evaluation. • This method is straightforward and software independent. • An approach with high reproducibility, not influenced by aortic root calcification. Aortic valve stenosis (dpeaa)DE-He213 Heart valve prosthesis implantation (dpeaa)DE-He213 Multidetector computed tomography (dpeaa)DE-He213 Cardiac imaging techniques (dpeaa)DE-He213 Imaging (dpeaa)DE-He213 Three-dimensional (dpeaa)DE-He213 Achenbach, Stephan aut Pflederer, Tobias aut Marwan, Mohamed aut Schmid, Jasmin aut Nef, Holger aut Rixe, Johannes aut Hecker, Franziska aut Schneider, Christian aut Lell, Michael aut Uder, Michael aut Arnold, Martin aut Enthalten in European radiology Berlin : Springer, 1991 24(2014), 8 vom: 22. Mai, Seite 1878-1888 (DE-627)268757526 (DE-600)1472718-3 1432-1084 nnns volume:24 year:2014 number:8 day:22 month:05 pages:1878-1888 https://dx.doi.org/10.1007/s00330-014-3199-5 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_152 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 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_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 24 2014 8 22 05 1878-1888 |
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English |
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Enthalten in European radiology 24(2014), 8 vom: 22. Mai, Seite 1878-1888 volume:24 year:2014 number:8 day:22 month:05 pages:1878-1888 |
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Enthalten in European radiology 24(2014), 8 vom: 22. Mai, Seite 1878-1888 volume:24 year:2014 number:8 day:22 month:05 pages:1878-1888 |
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Article |
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findex.gbv.de |
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Aortic valve stenosis Heart valve prosthesis implantation Multidetector computed tomography Cardiac imaging techniques Imaging Three-dimensional |
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false |
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European radiology |
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Schuhbaeck, Annika @@aut@@ Achenbach, Stephan @@aut@@ Pflederer, Tobias @@aut@@ Marwan, Mohamed @@aut@@ Schmid, Jasmin @@aut@@ Nef, Holger @@aut@@ Rixe, Johannes @@aut@@ Hecker, Franziska @@aut@@ Schneider, Christian @@aut@@ Lell, Michael @@aut@@ Uder, Michael @@aut@@ Arnold, Martin @@aut@@ |
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2014-05-22T00:00:00Z |
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268757526 |
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SPR004015444 |
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Methods CT data sets of 64 patients were evaluated. An oblique cross-section aligned with the aortic root was created by systematically identifying the caudal insertion points of the three aortic cusps and sequentially aligning them in a double oblique plane. Aortic annulus dimensions, distances of coronary ostia and a suitable fluoroscopic projection angle were independently determined by two observers. Results Interobserver intraclass correlation coefficients (ICC) for aortic annulus diameters were excellent (ICC 0.89–0.93). Agreement for prosthesis size selection was excellent (ĸ = 0.86 for mean, ĸ = 0.84 for area-derived and ĸ = 0.91 for circumference-derived diameter). Mean distances of the left/right coronary ostium were 13.4 ± 2.4/14.4 ± 2.8 mm for observer 1 and 13.2 ± 2.7/13.5 ± 3.2 mm for observer 2 (p = 0.30 and p = 0.0001, respectively; ICC 0.76/0.77 for left/right coronary artery). A difference of less than 10° for fluoroscopic projection angle was achieved in 84.3 % of patients. Conclusions A systematic approach to generate a double oblique imaging plane exactly aligned with the aortic annulus demonstrates high interobserver and intraobserver agreements for derived measurements which are not influenced by aortic root calcification. 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Schuhbaeck, Annika |
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Schuhbaeck, Annika misc Aortic valve stenosis misc Heart valve prosthesis implantation misc Multidetector computed tomography misc Cardiac imaging techniques misc Imaging misc Three-dimensional Reproducibility of aortic annulus measurements by computed tomography |
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Reproducibility of aortic annulus measurements by computed tomography Aortic valve stenosis (dpeaa)DE-He213 Heart valve prosthesis implantation (dpeaa)DE-He213 Multidetector computed tomography (dpeaa)DE-He213 Cardiac imaging techniques (dpeaa)DE-He213 Imaging (dpeaa)DE-He213 Three-dimensional (dpeaa)DE-He213 |
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Schuhbaeck, Annika Achenbach, Stephan Pflederer, Tobias Marwan, Mohamed Schmid, Jasmin Nef, Holger Rixe, Johannes Hecker, Franziska Schneider, Christian Lell, Michael Uder, Michael Arnold, Martin |
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Elektronische Aufsätze |
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Schuhbaeck, Annika |
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10.1007/s00330-014-3199-5 |
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reproducibility of aortic annulus measurements by computed tomography |
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Reproducibility of aortic annulus measurements by computed tomography |
| abstract |
Objectives To evaluate a systematic approach for measurement of aortic annulus dimensions by cardiac computed tomography. Methods CT data sets of 64 patients were evaluated. An oblique cross-section aligned with the aortic root was created by systematically identifying the caudal insertion points of the three aortic cusps and sequentially aligning them in a double oblique plane. Aortic annulus dimensions, distances of coronary ostia and a suitable fluoroscopic projection angle were independently determined by two observers. Results Interobserver intraclass correlation coefficients (ICC) for aortic annulus diameters were excellent (ICC 0.89–0.93). Agreement for prosthesis size selection was excellent (ĸ = 0.86 for mean, ĸ = 0.84 for area-derived and ĸ = 0.91 for circumference-derived diameter). Mean distances of the left/right coronary ostium were 13.4 ± 2.4/14.4 ± 2.8 mm for observer 1 and 13.2 ± 2.7/13.5 ± 3.2 mm for observer 2 (p = 0.30 and p = 0.0001, respectively; ICC 0.76/0.77 for left/right coronary artery). A difference of less than 10° for fluoroscopic projection angle was achieved in 84.3 % of patients. Conclusions A systematic approach to generate a double oblique imaging plane exactly aligned with the aortic annulus demonstrates high interobserver and intraobserver agreements for derived measurements which are not influenced by aortic root calcification. Key Points • Systematic approach to generate a double oblique imaging plane for TAVI evaluation. • This method is straightforward and software independent. • An approach with high reproducibility, not influenced by aortic root calcification. © European Society of Radiology 2014 |
| abstractGer |
Objectives To evaluate a systematic approach for measurement of aortic annulus dimensions by cardiac computed tomography. Methods CT data sets of 64 patients were evaluated. An oblique cross-section aligned with the aortic root was created by systematically identifying the caudal insertion points of the three aortic cusps and sequentially aligning them in a double oblique plane. Aortic annulus dimensions, distances of coronary ostia and a suitable fluoroscopic projection angle were independently determined by two observers. Results Interobserver intraclass correlation coefficients (ICC) for aortic annulus diameters were excellent (ICC 0.89–0.93). Agreement for prosthesis size selection was excellent (ĸ = 0.86 for mean, ĸ = 0.84 for area-derived and ĸ = 0.91 for circumference-derived diameter). Mean distances of the left/right coronary ostium were 13.4 ± 2.4/14.4 ± 2.8 mm for observer 1 and 13.2 ± 2.7/13.5 ± 3.2 mm for observer 2 (p = 0.30 and p = 0.0001, respectively; ICC 0.76/0.77 for left/right coronary artery). A difference of less than 10° for fluoroscopic projection angle was achieved in 84.3 % of patients. Conclusions A systematic approach to generate a double oblique imaging plane exactly aligned with the aortic annulus demonstrates high interobserver and intraobserver agreements for derived measurements which are not influenced by aortic root calcification. Key Points • Systematic approach to generate a double oblique imaging plane for TAVI evaluation. • This method is straightforward and software independent. • An approach with high reproducibility, not influenced by aortic root calcification. © European Society of Radiology 2014 |
| abstract_unstemmed |
Objectives To evaluate a systematic approach for measurement of aortic annulus dimensions by cardiac computed tomography. Methods CT data sets of 64 patients were evaluated. An oblique cross-section aligned with the aortic root was created by systematically identifying the caudal insertion points of the three aortic cusps and sequentially aligning them in a double oblique plane. Aortic annulus dimensions, distances of coronary ostia and a suitable fluoroscopic projection angle were independently determined by two observers. Results Interobserver intraclass correlation coefficients (ICC) for aortic annulus diameters were excellent (ICC 0.89–0.93). Agreement for prosthesis size selection was excellent (ĸ = 0.86 for mean, ĸ = 0.84 for area-derived and ĸ = 0.91 for circumference-derived diameter). Mean distances of the left/right coronary ostium were 13.4 ± 2.4/14.4 ± 2.8 mm for observer 1 and 13.2 ± 2.7/13.5 ± 3.2 mm for observer 2 (p = 0.30 and p = 0.0001, respectively; ICC 0.76/0.77 for left/right coronary artery). A difference of less than 10° for fluoroscopic projection angle was achieved in 84.3 % of patients. Conclusions A systematic approach to generate a double oblique imaging plane exactly aligned with the aortic annulus demonstrates high interobserver and intraobserver agreements for derived measurements which are not influenced by aortic root calcification. Key Points • Systematic approach to generate a double oblique imaging plane for TAVI evaluation. • This method is straightforward and software independent. • An approach with high reproducibility, not influenced by aortic root calcification. © European Society of Radiology 2014 |
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Reproducibility of aortic annulus measurements by computed tomography |
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| score |
7.399761 |