Magnetic resonance imaging was performed with a Siemens Trio 3.0 Tesla magnetic resonance imaging system (Trio, Siemens Medical Systems) running version VA 24 software. Diffusion tensor imaging was performed using a single-shot echo-planar imaging pulse sequence. Imaging parameters were echo time=90 ms, repetition time=7200 ms, bandwidth of 1346 Hz/pixel, acquisition matrix of 128×64, field of view of 220 mm, and contiguous 3-mm slice thickness. All axial slices were acquired parallel to the anterior commissure-posterior commissure line. Images were acquired with diffusion weighting in each of 6 different directions, all with a b-value (diffusion weighting factor) of 1000. An image with no diffusion weighting (b-value of 0) was acquired as reference. The set of seven diffusion weighted images was acquired a total of 4 times for retrospective averaging to improve image quality, and then averaged together after the magnitude-image reconstruction.
Trio 3.0 tesla
Manufactured by Siemens
The Trio 3.0 Tesla is a high-performance magnetic resonance imaging (MRI) scanner developed by Siemens. It operates at a magnetic field strength of 3.0 Tesla, providing enhanced image quality and diagnostic capabilities compared to lower field strength systems. The Trio 3.0 Tesla is designed for use in clinical and research settings to capture detailed images of the human body.
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Lab products found in correlation
2 protocols using trio 3.0 tesla
1
Diffusion Tensor Imaging with 3T MRI
2
Resting-State fMRI Study of Acupuncture
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The rs-fMRI data will be obtained with a Siemens TRio 3.0 Tesla MRI scanner in Beijing Hospital of Traditional Chinese Medicine. All rs-fMRI images will be taken from a contiguous echo planar imaging template under the following conditions: 33 axial slices, repetition time = 2000 ms, echo time = 30 ms, thickness/gap = 3.5/0.6 mm, field of view = 220 × 220 mm2, flip angle = 90°, and matrix size 64 mm × 64 mm with 240 volumes. All participants will receive the following instructions: stay awake, do not move, close your eyes, and do not try to think about anything. For an anatomic reference, T1 images will be obtained before resting state scans.
The real acupuncture and sham acupuncture groups will be examined three times (before treatment, after treatment, and in the follow-up period.) and the healthy controls will be examined only once.
The real acupuncture and sham acupuncture groups will be examined three times (before treatment, after treatment, and in the follow-up period.) and the healthy controls will be examined only once.
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