All participants were scanned using the same MRI and PET cameras at the Cyceron centre (Caen, France): a Philips Achieva 3.0 T scanner and a discovery RX VCT 64 PET-CT device (General Electric Healthcare), respectively.
Discovery rx vct 64 pet ct device
Manufactured by GE Healthcare
Sourced in France
The Discovery RX VCT 64 PET-CT device is a medical imaging system that combines positron emission tomography (PET) and computed tomography (CT) technologies. It is designed to acquire high-quality images of the human body for diagnostic and clinical applications.
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Lab products found in correlation
5 protocols using discovery rx vct 64 pet ct device
1
Multi-Modal Brain Imaging Protocol
2
Multimodal Imaging of Brain Metabolism and Amyloid
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All participants had a FDG-PET scan within 2 months of the 3D-T1 MRI. Sixty-one of the elderly control group and 4 of the expert meditators also had a Florbetapir-PET scan to measure Aβ deposition. Both FDG- and Florbetapir-PET scans were acquired on a Discovery RX-VCT-64 PET-CT device (GE Healthcare) with a resolution of 3.76 × 3.76 × 4.9 mm (field of view = 157 mm). Forty-seven planes were obtained with a voxel size of 2.7 × 2.7 × 3.27 mm. A transmission scan was performed for attenuation correction before the PET acquisition. For FDG–PET scans, participants fasted for at least 6 hours before scanning and were at rest in a quiet and dark room during the 30 minutes preceding tracer injection. Intravenous injection of approximately 180 MBq of FDG was carried out 50 minutes before a 10-minute acquisition. Regarding the Florbetapir-PET scan, intravenous injection of approximately 4 MBq/kg of Florbetapir was carried out 50 minutes before a 20-minute acquisition.
3
Multimodal Neuroimaging of Brain Function
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For each participant, a high-resolution T1-weighted anatomical image was acquired on a Philips Achieva 3T scanner using a three-dimensional fast-field echo sequence (sagittal; repetition time = 20 ms; echo time = 4.6 ms; flip angle = 20°; 170 slices; slice thickness = 1 mm; field of view = 256 × 256 mm2; matrix = 256 × 256).
18FDG-PET images were acquired using the Discovery RX VCT 64 PET-CT device (GE Healthcare) with a resolution of 3.76 × 3.76 × 4.9 mm3 (field of view = 157 mm). Forty-seven planes were obtained with a voxel size of 1.95 × 1.95 × 3.2 mm3. A transmission scan was performed for attenuation correction before the PET acquisition. Participants were fasted for at least 6 h before scanning. After a 30 min resting period in a quiet and dark environment, 180 MBq of FDG was intravenously injected as a bolus. A 10 min PET acquisition scan began 50 min after injection.
18FDG-PET images were acquired using the Discovery RX VCT 64 PET-CT device (GE Healthcare) with a resolution of 3.76 × 3.76 × 4.9 mm3 (field of view = 157 mm). Forty-seven planes were obtained with a voxel size of 1.95 × 1.95 × 3.2 mm3. A transmission scan was performed for attenuation correction before the PET acquisition. Participants were fasted for at least 6 h before scanning. After a 30 min resting period in a quiet and dark environment, 180 MBq of FDG was intravenously injected as a bolus. A 10 min PET acquisition scan began 50 min after injection.
4
Multi-Modal Brain Imaging Protocol
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All participants were scanned using the same MRI and PET cameras at the Cyceron centre (Caen, France): a Philipps Achieva 3.0T scanner and a discovery RX VCT 64 PET–CT device (General Electric Healthcare), respectively. For each participant, a high-resolution T1-weighted anatomical image was acquired using a three-dimensional fast field echo sequence (sagittal; repetition time = 20 ms, echo time = 4.6 ms, flip angle = 10°, 180 slices, slice thickness = 1 mm, field of view = 256 × 256 mm2, matrix = 256 × 256). Each participant underwent a PET examination the day after the MRI examination. FDG-PET scans were acquired with a resolution of 3.76 × 3.76 × 4.9 mm3 (field of view = 157 mm). Forty-seven planes were obtained with a voxel size of 2.7 × 2.7 × 3.27 mm3. Participants were fasted for at least 6 h before scanning. After a 30 min resting period in a quiet and dark environment, ≈180 MBq of FDG were intravenously injected as a bolus. A transmission scan was performed for attenuation correction and a 10 min PET acquisition scan began 50 min post-injection.
5
Multimodal Brain Imaging Protocol
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All participants were scanned on the same MRI (Philips Achieva 3.0 T scanner) and PET (Discovery RX VCT 64 PET-CT device, General Electric Healthcare) cameras at the CYCERON Centre (Caen, France). The interval time between the two acquisitions was on average of 17 ± 30 days. Further details on the acquisition procedures are provided in the Supplemental Material.
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