Verio mri system

Manufactured by Siemens

Sourced in Germany

The Verio MRI system is a magnetic resonance imaging (MRI) device manufactured by Siemens. It is designed to capture high-quality images of the human body for diagnostic purposes. The Verio MRI system utilizes a powerful magnetic field and radio waves to generate detailed images of internal structures, allowing healthcare professionals to assess and diagnose various medical conditions.

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Lab products found in correlation

Allegra mri system, by Siemens (1 mentions) 12 channel head coil, by Siemens (1 mentions) E prime 2, by Psychology Software Tools (1 mentions) 32 channel head coil, by Siemens (1 mentions)

Close spelling variants of this product

Verio 3T MRI system Magnetom Verio 3 T MRI System 3T Verio MRI scanner system Verio 3 Tesla MRI system Magnetom Verio MRI System Magnetom Verio 3.0T MRI system 3.0 T Magnetom Verio MRI system MAGNETOM Verio whole-body MRI system Verio whole‐body MRI system Verio 3.0T MRI system

23 protocols using verio mri system

Longitudinal Brain MRI Changes After Surgery

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All patients and healthy controls underwent MRI in a 3-T Siemens Verio MRI system (Siemens Medical System, Erlangen, Germany) using a 32-channel head coil. The MRI protocol was performed within one week before the surgery treatment (1st) and at the 2nd week after surgery. 3D MP-RAGE anatomical images were obtained using a gradient echo sequence (TR = 1900 ms; TE = 2.98 ms; FOV = 230 mm; matrix = 220 × 256; slice number = 160; spatial resolution = 0.9 × 0.9 × 0.9 mm). Functional images were obtained using a gradient EPI sequence that is sensitive to blood-oxygen-level-dependent contrast (TR = 2500 ms, TE = 27 ms, FOV = 220 mm, matrix = 64 × 64 × 36, slice thickness = 4 mm. Each scan consisted of 240 image volumes). All subjects were instructed to stay awake and relaxed, with their eyes closed during the scan.

Tsai Y.H., Liang X., Yang J.T, & Hsu L.M. (2019). Modular organization of brain resting state networks in patients with classical trigeminal neuralgia. NeuroImage : Clinical, 24, 102027.

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fMRI Acquisition Protocols for Brain Imaging

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For Study 1, the functional magnetic resonance images were obtained using a 3 T Siemens Allegra MRI system. Functional scans were acquired by a T₂*-weighted gradient-echo, echo-planar pulse sequence in ascending interleaved order (3.5 mm slice thickness, 3.5 × 3.5 mm in-plane resolution, 64 × 64 voxels per slice, flip angle = 90°, FOV = 224). Echo time (TE) was 30 ms and repetition time (TR) was 2000 ms. A T₁-weighted image was acquired for anatomical reference (1.0 × 1.0 × 1.0 mm resolution, 192 sagittal slices, flip angle = 9°, TE = 2.6 ms, TR = 2250 ms). For Study 2, the functional magnetic resonance images were collected using a 3 T Siemens Verio MRI system. Functional scans were acquired by a T₂*-weighted gradient-echo, echo-planar pulse sequence in descending interleaved order (3.0 mm slice thickness, 3.0 × 3.0 mm in-plane resolution, 64 × 64 voxels per slice, flip angle = 75°). TE was 30 ns and TR was 2030 ms. A T₁-weighted image was acquired for anatomical reference (1.0 × 0.5 × 0.5 mm resolution, 192 sagittal slices, flip angle = 9°, TE = 2.26 ms, TR = 1900 ms).

Speer S.P, & Boksem M.A. (2020). Decoding fairness motivations from multivariate brain activity patterns. Social Cognitive and Affective Neuroscience, 14(11), 1197-1207.

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Functional and Structural MRI Acquisition and Processing

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Functional images were acquired using a 3 T Verio MRI system (Siemens, Erlangen, Germany) with a T2*-weighted multi-band accelerated EPI sequence (TR/TE = 1200/29 ms, 42 transversal slices, voxel size 2 × 2 × 2 mm, 69° flip angle, multi-band acceleration factor: 3). Anatomical images were acquired with a T1-weighted MP-RAGE sequence (TR/TE = 2300/4.18 ms, voxel size 1 × 1 × 1 mm, 9° flip angle). The first six volumes of each block were discarded to allow T1 equilibration. We used SPM8 (Wellcome Trust Centre for Neuroimaging, London, UK) for realignment of functional images to the mean image, slice timing, coregistration with the participant’s anatomical image, normalization to the MNI-152 space, and spatial smoothing (Gaussian kernel: 8 mm FWHM).

Pajani A., Kouider S., Roux P, & de Gardelle V. (2017). Unsuppressible Repetition Suppression and exemplar-specific Expectation Suppression in the Fusiform Face Area. Scientific Reports, 7, 160.

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MRI-Guided Catheter Tracking with Improved SNR

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All MR tracking and imaging were performed in a 3T Siemens (Erlangen, Germany) Verio MRI system.
A two-dimensional T2-weighted axial data set, covering the entire anatomical region from the bladder down to the vagina, was acquired using a TSE sequence (TR/TE/α=3000ms/104ms/120°, 5 mm slice-width; 205×320 matrix, 224×280 mm FOV, ETL=27, 1.5 min/set) as previously described [11 ]. The acquired images were used in both the passively-tracked initial phase of the procedure, and thereafter as the background (‘roadmap’) on which the location of the actively-tracked catheters was displayed.
A modified MRTR sequence was used [17 ]. An asymmetric refocusing echo was selected to reduce the short-T2^* arising from the metallic-stylet’s susceptibility. Phase-field dithering (PFD) [17 , 18 ] was employed to reduce the effects of B₁ in-homogeneities and inductive RF coupling from multiple neighboring stylets. Although PFD reduced the tracking speed from the fastest possible rate, ~40 frames-per-sec, it provided enhanced tracking Signal-to-Noise-Ratios (SNR), thus generating improved positional information [19 ]. The clinical MRTR sequence used achieved positional tracking of 0.6×0.6×0.6 mm³ spatial resolution. Tracking parameters were; TR/TE/α=3ms/1.89ms/10°, FOV=300 mm, matrix=512, bandwidth=150 kHz, and PFD=2–3, averages=2–3, resulting in frame rates ranging from 16 to 6 Hz.

de Arcos J., Schmidt E., Wang W., Tokuda J., Vij K., Seethamraju R., Damato A., Dumoulin C., Cormack R, & Viswanathan A. (2017). Prospective clinical implementation of a novel MR-tracking device for real-time HDR brachytherapy catheter positioning. International journal of radiation oncology, biology, physics, 99(3), 618-626.

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Multimodal Neuroimaging Acquisition Protocol

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Structural MRI and rs-fMRI data were acquired on a 3.0T Siemens Verio MRI system (Siemens Medical System, Erlangen, Germany) with an 8-channel head coil. During scanning, participants were instructed to stay awake and relaxed but to keep their eyes closed, with earplugs and foam padding used to attenuate noise and reduce head motion. High-resolution three-dimensional structural images were acquired using sagittal Magnetization Prepared Rapid Gradient echo sequence ( eld of view: 256×256 mm; matrix: 256 × 256; time of repetition = 1900 ms; time of echo = 2.93 ms; resolution = 1 × 1 mm; ip angle = 9 ). The rs-fMRI images were acquired via an echo-planar imaging (EPI) sequence (180 volumes; 64 contiguous slices/volume; FOV: 192 × 192 mm; matrix: 64 × 64; spatial resolution = 3 × 3 × 3 mm; TR = 2000 ms; TE = 30 ms; ip angle = m90 ). An experienced radiologist inspected the previous MR images of these participants to make sure that each patient was free with abnormalities as described in above exclusion criteria (5) .

Zhang P., Jiang Y., Liu G., Jiao H., Wang J., Ma L., Hu W., & Zhang J. (2021). Altered Brain Functional Network Dynamics in Classic Trigeminal Neuralgia: A Resting-state Functional Magnetic Resonance Imaging Study.

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Comprehensive MRI Protocol for Stroke Evaluation

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All data were collected using a 3 Tesla Siemens Verio MRI system (Siemens Medical System, Erlangen, Germany) using a 16 channel head coil. The protocol for first MRI scan included axial T1- and T2-weighted images, axial DWI, MR angiography, and dynamic susceptibility contrast perfusion imaging; the protocol for follow-up MRI scan included axial T1- and T2-weighted images, axial DWI, MR angiography and fluid-attenuated inversion recovery (FLAIR) imaging. The imaging above were acquired as described previously [15 (link)].
Perfusion Mismatch Analyzer (Ver.3.4.0.6, ASIST, Japan; http://asist.umin.jp/index-e.htm) was used to generate a T_max (time to maximum of the residue function) map and calculate the PWI volume for each patient using standard singular value decomposition. Automatic arterial input function was used automatically but was added or deleted if its quality was not satisfactory. The volume of perfusion defect measured by T_max ≥ 4, 5 and 6 seconds was estimated. The volume of infarct core was measured by apparent diffusion coefficient imaging in the first MRI, and the final infarct size was measured by FLAIR imaging in the follow-up MRI. All the imaging data were evaluated by an experienced stroke neurologist (Y.C.H.) and a neuroradiologist (Y.H.T.), both blinded to the clinical information.

Hsu C.Y., Cheng C.Y., Tsai Y.H., Lee J.D., Yang J.T., Weng H.H., Lin L.C., Huang Y.C., Lee M., Lee M.H., Wu C.Y., Lin Y.H., Hsu H.L., Yang H.T., Pan Y.T, & Huang Y.C. (2015). Perfusion-diffusion Mismatch Predicts Early Neurological Deterioration in Anterior Circulation Infarction without Thrombolysis. Current Neurovascular Research, 12(3), 277-282.

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Multimodal MRI Acquisition Protocol

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Details about the MRI data acquisition and data pre-processing have been previously reported [14] (link). In brief, MRI data were acquired on a 3T Verio MRI system (Siemens AG, Erlangen, Germany) at baseline and a follow-up scan (around two months after the baseline scan).
Data acquisition included:

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1 mm volumetric T1-weighted MPRAGE

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T2-weighted FLAIR

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T2*-weighted gradient echo

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Axial single shot T2-weighted EPI sequence with diffusion-weighting (b = 1000 s·mm⁻²) acquired in 63 non-collinear directions on the whole sphere. Eight non-diffusion weighted images (b = 0 s/mm⁻²) were acquired. TE/TR: 106/11,700 ms, GRAPPA: 2, acquisition matrix 128 × 128, FOV: 256 × 256 mm, 63 contiguous 2 mm slices. Acquisition time 14.5 min. Additionally imaged were acquired to allow field mapping. An eleven-minute axial multi-echo EPI resting state sequence during which participants were instructed to attend to a fixation cross was also acquired, TR: 2430 ms, TE1/2/3: 13/31/48 ms, Flip angle: 90°, GRAPPA: 2, acquisition matrix: 64 × 64, FOV: 240 × 240 mm, 34 slices of 3.8 mm thickness, 10% slice gap. Reconstructed voxel dimensions: 3.75 × 3.75 × 4.18 mm. 269 volumes were acquired.

Tozer D.J., Pflanz C.P, & Markus H.S. (2023). Reproducibility of regional structural and functional MRI networks in cerebral small vessel disease compared to age matched and stroke-free controls. Cerebral Circulation - Cognition and Behavior, 4, 100167.

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Functional MRI Protocol for Brain Imaging

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Data was acquired using a 3T Siemens Verio MRI System (Siemens Medical, Erlangen, Germany) equipped for echo planar imaging with a 12-channel head coil. fMRI images were acquired using an EPI sequence (30 axial slices, in-plane resolution is 3 mm × 3 mm, slice thickness = 4 mm, flip angle = 90°, gap = 1 mm, repetition time = 2000 ms, echo time = 30 ms). A structural image was also acquired for each participant, using a T1-weighted MPRAGE sequence (repetition time = 1200 ms, echo time = 5.65 ms, and flip angle = 19°, with elliptical sampling of k space, giving a voxel size of 1 mm × 1 mm × 1 mm). The subjects’ heads were immobilized by cushioned supports and they wore earplugs to attenuate MRI gradient noise throughout the experiment.

Long X., Huang W., Napadow V., Liang F., Pleger B., Villringer A., Witt C.M., Nierhaus T, & Pach D. (2016). Sustained Effects of Acupuncture Stimulation Investigated with Centrality Mapping Analysis. Frontiers in Human Neuroscience, 10, 510.

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Resting-State Brain Imaging with Arterial Spin Labeling

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Volunteers were studied on 3-T Siemens Verio MRI system (Siemens, Erlangen, Germany) using a 12-channel head RF coil. Subject’s motion was restricted with foam padding between the head and the coil. For each subject, a T1-weighted structural image (3D T1 MPRAGE, TR = 2,250 ms, TE = 2.26 ms, voxel size of 1 mm × 1 mm × 1 mm) and PASL (Q2TIPS technique; PICORE labeling scheme; 2D echo planar-GE-EPI-readout, TR = 2,500 ms, TE = 11 ms, TI1 = 700 ms, TIs = 1,600 ms, TI2 = 1,800 ms, with nine contiguous axial 8 mm thickness slices with a voxel resolution of 4 mm × 4 mm × 10 mm were acquired in an ascending order headache-free images) were obtained during rest.

Gil-Gouveia R., Pinto J., Figueiredo P., Vilela P.F, & Martins I.P. (2017). An Arterial Spin Labeling MRI Perfusion Study of Migraine without Aura Attacks. Frontiers in Neurology, 8, 280.

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Resting-state fMRI acquisition protocol

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MRI scanning was performed on a 3 T Siemens Verio MRI system. Resting-state functional data were acquired by a T2*-weighted gradient-echo, echo-planar pulse sequence in descending interleaved order (repetition time (TR) = 2030 ms, echo time (TE) = 30 ms, flip angle = 75°, slice thickness = 3.0 mm, in-plane resolution = 3.0 × 3.0 mm, 64 × 64 voxels per slice). In addition to functional imaging, a T1-weighted image was acquired at the resolution of 1.0 × 0.5 × 0.5 mm for anatomical reference (192 sagittal slices, TR = 1900 ms, TE = 2.26 ms, flip angle = 9°).

Zhang C., Beste C., Prochazkova L., Wang K., Speer S.P., Smidts A., Boksem M.A, & Hommel B. (2022). Resting-state BOLD signal variability is associated with individual differences in metacontrol. Scientific Reports, 12, 18425.

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