Unique ID issued by UMIN | UMIN000032605 |
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Receipt number | R000037179 |
Scientific Title | The Impact of the Sampling Rate of Dynamic Myocardial Computed Tomography Perfusion on the Quantitative Assessment of Myocardial Blood Flow |
Date of disclosure of the study information | 2018/05/16 |
Last modified on | 2019/05/25 10:10:35 |
The Impact of the Sampling Rate of Dynamic Myocardial Computed Tomography Perfusion on the Quantitative Assessment of Myocardial Blood Flow
Impact of Sampling Rate on CT-MBF
The Impact of the Sampling Rate of Dynamic Myocardial Computed Tomography Perfusion on the Quantitative Assessment of Myocardial Blood Flow
Impact of Sampling Rate on CT-MBF
Japan |
coronary artery disease
Cardiology |
Others
NO
The purpose of this study is to investigate the influence of reducing the shot-to-shot sampling rate of dynamic myocardial computed tomography perfusion (CTP) scans on the computation of CTP-derived myocardial blood flow (CT-MBF) and diagnostic performance for detecting myocardial perfusion abnormalities.
Others
influence
diagnostic performance
The global CTMBFs with 2RR, 3RR, and 4RR sampling are compared with that with 1RR sampling as a reference, using the equivalence test with Bonferroni correction.
The Pearson rank correlation test is used to assess the relationship between the global CTMBF with 1RR sampling and that with 2RR, 3RR, or 4RR sampling. The equivalence test with Bonferroni correction is used to compare segmental CT-MBFs with 2RR, 3RR, and 4RR sampling to that with 1RR sampling for normal and abnormal myocardial segments that were assessed with cardiac MR. The areas under the receiver operating characteristic curve of segmental CT-MBF with 2RR, 3RR, and 4RR sampling are compared with that with 1RR sampling.
Observational
20 | years-old | <= |
Not applicable |
Male and Female
Patients who underwent stress dynamic CTP for the assessment of CAD between July 2013 and November 2017.
(1) acute myocardial infarction (<30 days from the onset), (2) cardiomyopathy, (3) left ventricular ejection fraction <20%, (4) atrial fibrillation, (5) an atrioventricular block greater than the first degree, (6) complete left bundle branch block, (7) history of percutaneous coronary intervention or coronary artery bypass grafting, (8) poor cardiac MR image quality, and (9) an inappropriate CTP dataset such as that with insufficient image quality, misaligned scan coverage, and delayed data acquisition of dynamic CTP causing a shorter baseline (before upslope) of the TAC in the ascending aorta.
180
1st name | Takahrio |
Middle name | |
Last name | Yokoi |
Ehime University Graduate School of Medicine
Radiology
7910295
Shitsukawa, Toon, Ehime, Japan
+81-89-960-5371
mr.taka451@gmail.com
1st name | Takahiro |
Middle name | |
Last name | Yokoi |
Ehime University Graduate School of Medicine
Radiology
7910295
Shitsukawa, Toon, Ehime, Japan
+81-89-960-5371
mr.taka451@gmail.com
Ehime University Graduate School of Medicine
Ehime University Graduate School of Medicine
Other
Ehime University Graduate School of Medicine
Shitsukawa, Toon , Ehime
0899605371
mr.taka451@gmail.com
NO
2018 | Year | 05 | Month | 16 | Day |
Published
120
Completed
2016 | Year | 05 | Month | 10 | Day |
2016 | Year | 03 | Month | 31 | Day |
2016 | Year | 05 | Month | 10 | Day |
2018 | Year | 12 | Month | 01 | Day |
retrospective
2018 | Year | 05 | Month | 16 | Day |
2019 | Year | 05 | Month | 25 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000037179
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