Imaging data were acquired using a 3-T Siemens Magnetom veriosyngo MR B17 scanner. fMRI data were obtained using a gradient echo planar imaging (EPI) sequence (TR = 2,000 ms; TE = 30 ms; flip angle = 90°; FOV = 220 mm × 220 mm; matrix = 64 × 64; slice thickness = 4 mm; 30 slices; voxel size = 3.4 × 3.4 × 3.4 mm; 180 volumes). The patients underwent scanning twice at baseline and after the 4-week treatment, while the control subjects were scanned only at baseline. Each patient's initial fMRI scan was obtained within 24 h prior to the first ECT session, and the final fMRI scan was collected 24–48 h after the last ECT session. The participants were instructed to remain awake with eyes closed and to not focus their thoughts on anything in particular.
Magnetom veriosyngo mr b17 scanner
Manufactured by Siemens
Sourced in Germany
The Magnetom veriosyngo MR B17 scanner is a magnetic resonance imaging (MRI) system developed by Siemens. It is designed to acquire high-quality medical images for diagnostic purposes. The core function of the scanner is to generate detailed images of the body's internal structures using magnetic fields and radio waves, allowing medical professionals to assess and diagnose various health conditions.
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4 protocols using magnetom veriosyngo mr b17 scanner
1
fMRI Study of ECT Treatment Effects
2
Neuroimaging Effects of Electroconvulsive Therapy
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Whole-brain imaging data were acquired using a 3-T Siemens Magnetom veriosyngo MR B17 scanner. Functional MRI data were obtained by a gradient echo planar imaging (EPI) sequence (TR 2000 ms; TE, 30 ms; flip angle, 90°; FOV, 220 mm × 220 mm; matrix, 64 × 64; slice thickness, 4 mm; 30 slices; voxel size, 3.4 × 3.4 × 3.4 mm; 180 vol). In addition, high-resolution T1-weighted structural images were collected using a magnetization-prepared rapid acquisition gradient echo (MPRAGE) sequence (TR, 2530 ms, TE, 2.56 ms, flip angle, 7°, inversion time, 1100 ms, FOV, 256 mm × 256 mm, matrix, 256 × 256, 224 slices, slice thickness, 1 mm; voxel size, 1.0 × 1.0 × 1.0 mm). The patients were scanned twice before (baseline) and after 4-week therapy. The HC underwent scanning only at baseline. The first MRI scan of patients was obtained within 24 h before the first ECT, and the final MRI scan was collected 24–48 h after the last session of ECT. Participants were instructed to keep their eyes closed, relax, but not to fall sleep.
3
Diffusion-Weighted Imaging and Structural MRI
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Neuroimaging data were collected for all participants via a 3 T Siemens Magnetom Verio syngo MR B17 scanner (Erlangen, Germany), located within the Temple University Hospital, using a conventional 12-channel phased-array head coil. DWI data were collected using a diffusion-weighted echo-planar imaging sequence covering the whole brain. Imaging parameters were as follows: axial slices, 55; slice thickness, 2.5 mm; repetition time (TR), 9900 ms; echo time (TE), 95 ms; field of view (FOV), 240 mm2; b-values of 0 and 1000 s/mm2, in 64 non-collinear diffusion directions. In addition to diffusion-weighted images, high-resolution anatomical images (T1-weighted 3D MPRAGE) were also acquired using the following parameters: axial slices, 160; slice thickness, 1 mm; TR, 1900 ms; TE, 2.93 ms; inversion time, 900 ms; flip angle, 9°; FOV, 256 mm2.
4
3T MRI Acquisition Protocol for Structural and Diffusion Imaging
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All MRI studies were performed on a 3 T Magnetom Verio Syngo MR B17 scanner (Siemens Healthcare, Erlangen, Germany). An anatomical scan was performed using the following 3D T1-weighted, sagittal, magnetization prepared rapid gradient echo (MPRAGE) sequence: 176 sagittal slabs, voxel size 1 × 1 × 1 mm3, repetition time 1900 ms, echo time 2.26 ms, inversion time 900 ms, field of view 256 × 256 mm2, number of excitations 1, GRAPPA acceleration factor 2. Diffusion weighted images were acquired with an EPI sequence (30 directions, b-value 1000 s/mm2) with repetition time 11000 ms, echo time 99 ms, field of view 256 × 256 mm2, 60 slices and voxel size: 2 × 2 × 2 mm3.
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