Comparison of 180° and 360° data acquisition for determination of left ventricular function from gated myocardial perfusion tomography and gated blood pool tomography
Comparison of 180° and 360° data acquisition for determination of left ventricular function from gated myocardial perfusion tomography and gated blood pool tomography
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门控心肌灌注断层扫描和门控血池断层扫描测定左心室功能的 180° 和 360° 数据采集的比较
DOI：
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发表时间：
2003
影响因子：
9.1
通讯作者：
A. Bossuyt
中科院分区：
文献类型：
--
作者：
C. Vanhove;P. Franken;M. Defrise;A. Bossuyt
本研究的目的是解决使用门控心肌灌注断层扫描 (gMPT) 和门控血池断层扫描 (gBPT) 测量左心室射血分数 (LVEF) 和左心室容积的 180° 与 360° 数据收集问题。 30 名已知患有冠状动脉疾病的患者被随机注射了 925 MBq 的锝-99m 替曲膦，并在 2 天内注射了 740 MBq 的 99mTc 标记的人血清白蛋白。 gMPT 和 gBPT 使用 360° 数据收集来获取，并使用所有获取的投影图像通过滤波反投影进行重建，并分别使用从 45° LPO 到 45° RAO 获取的投影图像。为了具有相同的全局计数密度，在重建之前使用二项式偏差重新分配 360° 数据集中的计数。沿左心室长轴重新定向后，使用全自动算法计算 LVEF 和左心室容积。 28 名患者还在 gBPT 的同一天接受了平面放射性核素血管造影 (PRNA)。对于 gMPT 研究，180° 数据收集和 360° 数据收集之间的相关性非常好 (r>0.98)。 Bland-Altman 分析显示 180° 和 360° 之间存在较小的系统和随机差异 (<6%)。对于gBPT研究，180°数据收集和360°数据收集之间的相关性非常好（r>0.93）。然而，Bland-Altman 分析显示系统差异为 26%，随机差异为 17%。当使用PRNA作为参考时，使用180°数据获取的gMPT获得最好的结果，而使用180°数据获取的gBPT获得最差的结果。总之，当通过 gMPT 评估 LVEF 和左心室容积时，可以使用 180° 或 360° 轨道。然而，在根据 gBPT 评估 LVEF 和左心室容积时，建议采集 360° 数据。
The purpose of this study was to address the issue of 180° versus 360° data collection for left ventricular ejection fraction (LVEF) and left ventricular volume measurements using gated myocardial perfusion tomography (gMPT) and gated blood pool tomography (gBPT). Thirty patients with known coronary artery disease were injected in a random sequence with 925 MBq of technetium-99m tetrofosmin and, within 2 days, with 740 MBq of 99mTc-labelled human serum albumin. gMPT and gBPT were acquired using 360° data collection and reconstructed by filtered backprojection using all the acquired projection images and separately using only projection images acquired from 45° LPO to 45° RAO. In order to have the same global count densities, the counts in the 360° data set were redistributed using binomial deviates just before reconstruction. After reorientation along the left ventricular long axis, LVEF and left ventricular volumes were calculated using fully automatic algorithms. Twenty-eight patients also underwent planar radionuclide angiocardiography (PRNA) on the same day as the gBPT. For the gMPT studies, the correlation between 180° data collection and 360° data collection was excellent (r>0.98). Bland-Altman analysis revealed small systematic and random differences (<6%) between 180° and 360°. For the gBPT studies, the correlation between 180° data collection and 360° data collection was very good (r>0.93). However, Bland-Altman analysis revealed systematic differences of 26% and random differences of 17%. When PRNA was used as a reference, the best results were obtained with gMPT acquired using 180° data, while the worst results were obtained with gBPT acquired using 180° data. In conclusion, when evaluating LVEF and left ventricular volumes from gMPT, either 180° or 360° orbits can be used. However, 360° data acquisition is recommended when evaluating LVEF and left ventricular volumes from gBPT.
DOI：
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发表时间：
1995-11
期刊：
Journal of nuclear medicine : official publication, Society of Nuclear Medicine
影响因子：
--
作者：
G. Germano;H. Kiat;P. Kavanagh;M. Moriel;M. Mazzanti;H. Su;K. V. Train;D. Berman
通讯作者：
G. Germano;H. Kiat;P. Kavanagh;M. Moriel;M. Mazzanti;H. Su;K. V. Train;D. Berman
SPECT 中 180 度和 360 度角度采样几何变形原因的调查。
DOI：
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发表时间：
1989
期刊：
Journal of nuclear medicine : official publication, Society of Nuclear Medicine
影响因子：
--
作者：
Knesaurek,K;King,MA;Glick,SJ;Penney,BC
通讯作者：
Penney,BC
180 度采样与 SPECT 中的 360 度采样相比。
DOI：
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发表时间：
1982
期刊：
Journal of nuclear medicine : official publication, Society of Nuclear Medicine
影响因子：
--
作者：
Hoffman,EJ
通讯作者：
Hoffman,EJ