3.0 t mri

Manufactured by Siemens

Sourced in Germany

The 3.0 T MRI is a magnetic resonance imaging (MRI) system that utilizes a strong magnetic field of 3.0 Tesla to generate detailed images of the body's internal structures. This system is designed to provide high-resolution imaging for a variety of medical applications.

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Lab products found in correlation

Kxo 32r, by Toshiba (1 mentions) Ingenia scanner, by Philips (1 mentions) 256 slice ict scanner, by Philips (1 mentions)

19 protocols using 3.0 t mri

Evaluating Spinal Fusion Surgery Outcomes

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Operation indicators: Statistical analysis of the operation time, intraoperative fluoroscopy time, intraoperative blood loss, incision length, and perioperative complications of the two groups.

Functional evaluation indicator: The Oswestry Disability Index (ODI) and Visual Analog Scale (VAS) scores of the two groups before surgery and 3, 12 months postoperation.

Sacrospinalis muscle damage evaluation indicator: Three months postoperation, patients in the two groups received electrophysiological examinations of sacrospinalis muscle at the surgical segment. The MEB9400-K electromyography instrument (Nihon Kohden, Japan) performed surface electromyography of sacrospinalis muscle at the surgical segment. The electromyography indicators of the sacrospinalis muscles, including the average discharge amplitude (AMP, μV) and average discharge frequency (Hz), were measured. In addition, a 3.0 T MRI (TR = 3000, Siemens, Germany) was used to performed continuous scanning of the sacrospinalis muscle at the surgical segment. A multifidus area of 1.5 cm × 1.5 cm at the level of the midline fusion device was symmetrically selected to measure the T2 relaxation time.[14 (link)]

Evaluation of fusion using radiological imaging: The Brantigan-Steffee fusion criteria evaluated the fusion conditions of patients in the two groups.[20 (link)]

Xia X.L., Wang H.L., Lyu F.Z., Wang L.X., Ma X.S, & Jiang J.Y. (2015). Mast Quadrant-assisted Minimally Invasive Modified Transforaminal Lumbar Interbody Fusion: Single Incision Versus Double Incision. Chinese Medical Journal, 128(7), 871-876.

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Cerebral Microbleed Identification Protocol

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The diagnosis of CMBs complies with the CMBs identification criteria that were proposed by Greenberg, Vernooij, & Cordonnier (2009). Within 7 days after admission, the patient completed a 3.0 T MRI (Siemens Medical Solutions) including T1‐weighted, fluid‐attenuated inversion recovery, T2‐weighted, diffusion‐weighted MRI, and a SWI analysis. SWI scanning parameters included the following: repetition time of 28 ms, echo time of 20 ms, a field of view with dimensions of 230 × 180 mm, slice thickness of 1.2 mm, a flip angle of 15°, and a matrix of 256 × 256, a Voxel of 0.5 × 0.5 × 1.2 mm, and a scanning time of 10 min, and 43 s.

Zhang H., Deng J., Sun N., Zou L., Han J., Wei C, & He Y. (2020). Effect of coagulation function on cerebral microbleeds in intracerebral hemorrhage. Brain and Behavior, 10(6), e01634.

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MRI and MEG Data Collection Protocol

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All participants underwent a 3.0 T MRI (Siemens, Germany) scan after MEG data collection. Before MRI scanning, coils similar to those used in MEG data collection were placed at the nose root and in front of both ears to locate each subjects head position.

Li Y., Li Y., Sun J., Niu K., Wang P., Xu Y., Wang Y., Chen Q., Zhang K, & Wang X. (2022). Relationship between brain activity, cognitive function, and sleep spiking activation in new-onset self-limited epilepsy with centrotemporal spikes. Frontiers in Neurology, 13, 956838.

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Multimodal Brain Imaging Co-registration

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All subjects underwent a 3.0T MRI (Siemens, Germany) scanning after MEG recording. To accurately co-register the MRI and MEG data, three fiduciary marks were put in the same locations of the three coils used in MEG recording. All anatomical landmarks digitized in the MEG recording were made identifiable in the MRI.

Zhang T., Shi Q., Li Y., Gao Y., Sun J., Miao A., Wu C., Chen Q., Hu Z., Guo H, & Wang X. (2020). Frequency-Dependent Interictal Neuromagnetic Activities in Children With Benign Epilepsy With Centrotemporal Spikes: A Magnetoencephalography (MEG) Study. Frontiers in Human Neuroscience, 14, 264.

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Outcomes of Rotator Cuff Tear Repair

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Background variables recorded at the time of enrollment included age, sex, Body Mass Index (BMI), arm dominance, duration of symptoms, smoking, alcohol consumption, hypertension, diabetes, and ROM of the affected shoulder. The visual analogue scale (VAS), Constant‐Murley Shoulder (CMS), American Shoulder and Elbow Surgeon (ASES), and University of California, Los Angeles (UCLA) scores were used to assess clinical outcomes before and at 6, 12, and 18 months after the surgery. Two independent physiotherapists who were not involved in patients' recruitment, surgery, or rehabilitation assessed the physical examination. Routine preoperative diagnostic examinations included shoulder X‐rays and MRI. The physician responsible for inclusion examined the rotator cuff on the image of BPTRCTs according to the inclusion criteria. Routine 3.0‐T MRI (Siemens Medical Solutions, Erlangen, Germany) was performed to assess rotator cuff integrity, muscle atrophy, and fatty degeneration at 18 months after the surgery. The evaluation was conducted by three sports medicine surgeons, and the consensus was determined by the majority.

Wang T., Ren Z., Zhang Y., Zhao X., Liu X., Yu T, & Zhang Y. (2021). Comparison of Arthroscopic Debridement and Repair in the Treatment of Ellman Grade II Bursal‐side Partial‐thickness Rotator Cuff Tears: A Prospective Randomized Controlled Trial. Orthopaedic Surgery, 13(7), 2070-2080.

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Evaluating HA-FeWO4 Nanoparticles for MRI and CT Imaging

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Different concentrations of Fe dispersions (0, 1.75, 3.5, 7, 14 mM) were performed to measure the longitudinal/transverse relaxivity time (T1/T2). After line-fitting the 1/T1 or 1/T2 versus Fe concentration, their longitudinal and transverse (r₁/r₂) were obtained. The HA-FeWO₄ solutions with different concentrations of W (0, 2.5, 5, 10, 20 mM) were also prepared to evaluate the potential of nanomaterial in CT imaging. CT and MRI of HA-FeWO₄ solutions were carried out on spectral CT (IQon, Philips, Holland) and 3.0 T MRI (Siemens, German), respectively. As a control, CT scanning of iohexol in vitro was also performed. The parameters of MRI scan were echo time (TE) 68 ms, repetition time (TR) 5290 ms, slice thickness 1 mm, matrix 256 × 256, field of view 180 mm, number of excitations 2. The parameters of CT scan were tube current 100 mAs, tube voltage 120 kV, matrix 512 × 512, slice thickness 0.8 mm, and field of view (FOV) 150 mm.

Yang C., Che X., Zhang Y., Gu D., Dai G., Shu J, & Yang L. (2023). Hybrid FeWO4-Hyaluronic Acid Nanoparticles as a Targeted Nanotheranostic Agent for Multimodal Imaging-Guided Tumor Photothermal Therapy. International Journal of Nanomedicine, 18, 8023-8037.

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Multimodal Imaging Alignment Protocol

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A 3.0‐T‐MRI (Siemens, Germany) was used for the MRI scanning of all subjects. MRI markers were placed at the position of the three magnetic circles in the previous MEG records not only to avoid the deviation in MRI caused by the change of head direction, but also to ensure that the anatomical location of MRI could be identified after the visualization of the MEG data, so that the MRI and MEG data of the patient could be accurately merged.

Li Y., Chen J., Sun J., Jiang P., Xiang J., Chen Q., Hu Z, & Wang X. (2022). Changes in functional connectivity in newly diagnosed self‐limited epilepsy with centrotemporal spikes and cognitive impairment: An MEG study. Brain and Behavior, 12(12), e2830.

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CDLM Knee Imaging Protocol

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An adult female volunteer with CDLM, aged 25 years, height 162 cm, and weight 49 kg, was selected for the study. Knee diseases besides CDLM were ruled out based on history inquiry, physical examination, CT, and MRI of the knee joint. The volunteers agreed and signed an informed consent form for the study. We scanned the patient's knee joint with 256-row Siemens CT, and the scan section thickness was 0.625 mm. Additionally, Siemens 3.0 T-MRI was used to scan the patient's knee joint, and the scan section thickness was 1 mm. DICOM data were obtained from both the CT and MRI scans.

Shen X., Lu M., Liu M., Xie R., Gong S., Yang C, & Sun G. (2024). Effect of residual volume after surgery of the discoid lateral meniscus on tibiofemoral joint biomechanics: a finite element analysis. Journal of Orthopaedic Surgery and Research, 19, 43.

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MRI Examination Before Chemotherapy

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The MRI examination was performed before the chemotherapy by Siemens 3.0T MRI, and gadolinium spray glucosamine (0.2 mmol/kg, 2.5 mL/s) was administered through the forearm intravenously. Images were acquired 6 consecutive times before and after enhancement, and MRI with DWI was obtained with the apparent diffusion coefficient (Figure 2).

Zhu B., Zhou G., Wang S., Wang L, & Wang W. (2023). Association between the apparent diffusion coefficient and the preoperative chemotherapy response of patients with locally advanced gastric cancer. Journal of Gastrointestinal Oncology, 14(1), 119-127.

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Probabilistic Tractography of Corpus Callosum

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Data used in this part of the study were obtained from the Alzheimer's Disease Neuroimaging Initiative (ADNI) database (adni.loni.usc.edu). The ADNI was launched in 2003 as a public-private partnership, led by Principal Investigator Michael W. Weiner, MD. The primary goal of ADNI has been to test whether serial MRI, positron emission tomography, other biological markers, and clinical and neuropsychological assessments can be combined to measure the progression of mild cognitive impairment and early AD. We used diffusion tensor imaging data (3.0-T MRI, Siemens; 54 gradient directions, 2-mm isovoxel) collected from 11 HCs (mean age 60.8 ± 3.2 years, 8 females) for probabilistic tractography analysis with FMRIB's Diffusion Toolbox (www.fmrib.ox.ac.uk/fsl). A seed mask for the splenium of the corpus callosum was defined by the sagittal slice (Montreal Neurological Institute coordinate, x = 90) defined by the ICBM-DTI-81 white-matter labels atlas. Probabilistic fiber tracking was initiated from all voxels within the seed mask to generate 5000 streamline samples with a curvature threshold of 0.2. The generated tractography was spatially normalized and averaged over 11 subjects.

Hattori T., Ohara M., Yuasa T., Azuma R., Chen Q., Hanazawa R., Hirakawa A., Orimo S, & Yokota T. (2023). Correlation of callosal angle at the splenium with gait and cognition in normal pressure hydrocephalus. Journal of neurosurgery, 139(2).

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