ライフサイエンスコーパス: cine CT

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1 For the patient studies, we acquired 2 cine CT studies for each PET acquisition in a rest-stres

2 In addition, new methods including MRI and cine CT have also provided better understanding of left

3 at end-expiratory breath-hold, and averaged cine CT data during breathing.

4 and a 16-slice PET/CT scanner using averaged cine CT attenuation data during breathing at rest and st

5 Cardiac PET/CT is optimized by cine CT with dedicated shift software for manual correct

6 The conventional helical CT, cine CT, and PET data of an axially translating phantom

7 m the average and from the intensity-maximum cine CT images reduced the defect by 20% and 60%, respec

8 e average and the intensity-maximum image of cine CT for cardiac PET attenuation correction.

9 ectify this problem, we evaluated the use of cine CT, which acquires multiple low-dose CT images duri

10 results in 40% of patients that normalize on cine CT PET using averaged CT attenuation data during no

11 tative accuracy of using a single poststress cine CT attenuation scan for reconstructing rest perfusi

12 fusion images reconstructed using poststress cine CT attenuation data are quantitatively comparable t

13 resting images reconstructed with poststress cine CT attenuation data with no clinically significant

14 emission data reconstructed with poststress cine CT attenuation data.

15 ng perfusion images reconstructed using rest cine CT attenuation data were quantitatively comparable

16 ng perfusion images reconstructed using rest cine CT attenuation data with the same resting emission

17 to resting images reconstructed with resting cine CT attenuation data.

18 rrect coregistration using a repeat CT scan, cine CT averaged attenuation during normal breathing, or

19 enuation during normal breathing, or shifted cine CT data that coregistered with PET data.

20 quantitatively normalized on cine or shifted cine CT PET (P = 0.0000).

21 ng during PET emission scanning and shifting cine CT images to coregister visually with PET.

22 0%) of 250 cases required shifting of stress cine CT attenuation data to achieve optimal attenuation-

23 radiation dose by 50% below rest-plus-stress cine CT protocols.

24 Patient studies reveal that cine CT provides acceptable alignment in most cases and

25 the average and the intensity maximum of the cine CT images can reduce potential respiration-induced

26 s, 77% of the cases using the average of the cine CT images had acceptable alignment and 88% of the c

27 the cases using the intensity maximum of the cine CT images had acceptable alignment.

28 rway cross-sectional areas, as measured with cine CT, showed significant inspiratory collapse.

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