MRI scans were acquired on a General Electric (GE) Signa-Echospeed 1.5 Tesla HD scanner (SIGNA EXCITE, GE Healthcare, Milwaukee WI), using an eight channel head coil. Sequences included sagittal T1 (TR/TE = 300/13 ms), slice thickness = 5 mm, space 2.5 mm, matrix 256 × 128 axial gradient recalled echo (GRE) TR/TE = 450/20, flip angle = 20°, slice thickness = 3 mm no gap, matrix 256 × 192 axial fluid-attenuated-inversion-recovery (FLAIR) TR/TE = 9000/45 ms, TI (inversion time) = 2200 ms, slice thickness = 5 mm no gap, matrix 256 × 192 axial fast spin echo (FSE) proton density (PD)/T2 TR/TE 5500/30,90 ms, slice thickness = 3 mm no gap, matrix 256 × 192. All above mentioned sequences were obtained with a 22 cm field of view (FOV). The high-resolution isotropic T1 weighted, three-dimensional IR prepped radio-frequency spoiled-gradient recalled-echo (3D IRSPGR) images TI/TR/TE = 12/300/5,TI, FA = 20, slice thickness = 1 mm no gap, matrix = 256 × 256 were acquired in the axial plane utilizing a 25 cm FOV. The entire scanning session lasted approximately 55 min.
Signa echospeed 1.5 tesla hd scanner signa excite
Manufactured by GE Healthcare
The Signa-Echospeed 1.5 Tesla HD scanner (SIGNA EXCITE) is a magnetic resonance imaging (MRI) system designed and manufactured by GE Healthcare. It operates at a magnetic field strength of 1.5 Tesla. The system is capable of performing high-definition imaging procedures.
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Lab products found in correlation
2 protocols using signa echospeed 1.5 tesla hd scanner signa excite
1
Comprehensive MRI Brain Imaging Protocol
2
Longitudinal MRI Imaging of TBI
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A General Electric Signa‐Echospeed 1.5 Tesla HD scanner (SIGNA EXCITE, GE Healthcare, Milwaukee, WI) was used to acquire T1‐weighted magnetic resonance images (MRI) scans. Scans were acquired approximately 5, 18, 36, months and up to 7 years post‐injury for TBI participants. Controls underwent MRI twice, with an average of 15 months between scans, similar to the interval between the first and second scans of TBI participants. Isotropic T1 weighted, three‐dimensional IR prepped radio‐frequency spoiled‐gradient recalled‐echo images were acquired in the axial plane with the following parameters: repetition time = 12 ms; echo time = 5 ms; inversion time = 300 ms, flip angle = 20°, slice thickness = 1 mm; matrix = 256 × 256; FOV = 25 cm.
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