Magnetom avanto system

Manufactured by Siemens

Sourced in Germany

The Magnetom Avanto system is a magnetic resonance imaging (MRI) scanner developed by Siemens. Its core function is to generate high-quality images of the human body using strong magnetic fields and radio waves. The system is designed to provide detailed visualizations of anatomical structures and support medical diagnosis and treatment planning.

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Lab products found in correlation

Magnetom skyra system, by Siemens (1 mentions) Signa system, by GE Healthcare (1 mentions) Eyelink 1000 eye tracker, by SR Research (1 mentions) Magnetom vision system, by Siemens (1 mentions) Magnetom aera, by Siemens (1 mentions) Magneton vision system, by Siemens (1 mentions)

Close spelling variants of this product

MAGNETOM Avanto TIM system Magnetom Avanto MRI system MAGNETOM Avanto MR system Magnetom Avanto 1.5T MRI system Magnetom Avanto 1.5 T system Magnetom Avanto Avanto system

17 protocols using magnetom avanto system

Optimizing MRCP Imaging for IPMN Diagnosis

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For the IPMN group, MRI examinations were performed using a 1.5 T scanner (Magnetom Avanto Systems, Siemens Healthineers). T2-weighted MRCP three-dimensional (3D) images were acquired through sampling perfection with application-optimized contrast using different flip angle evolution (SPACE). Imaging relied on a repetition time (TR) of 2500 ms and an echo time (TE) of 700 ms, as well as a slice thickness (ST) of 1 mm with a trigged breathing technique.
For the control group, MRI examinations were performed using a 1.5 T scanner (Magnetom Avanto Systems) or a 3 T scanner (Magnetom Skyra Systems, Siemens Healthineers). For the 1.5 T scanner, T2-weighted MRCP 3D images were acquired through SPACE (TR/TE = 4000–4700/705 ms, ST 1.3 mm) with a trigged breathing technique. On the 3 T scanner, T2-weighted MRCP 3D images were acquired through SPACE (TR/TE = 3000–4600/700 ms, ST 1.3 mm) with a trigged breathing technique.

Johansson K., Mustonen H., Seppänen H, & Lehtimäki T.E. (2022). Anatomical pancreatic variants in intraductal papillary mucinous neoplasm patients: a cross-sectional study. BMC Gastroenterology, 22, 394.

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High-resolution MRI Acquisition Protocol

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The following MRI acquisition parameters were previously reported (Mormino et al., 2012 (link)). All subjects underwent MRI scanning at LBNL on a 1.5T Magnetom Avanto System (Siemens Medical Systems) with a 12-channel head coil run in triple mode. A high-resolution structural T1-weighted volumetric magnetization prepared rapid gradient echo scan (MP-RAGE, axially acquired, time repetition [TR]/time echo [TE]/time to inversion [TI] = 2110/3.58/1100 ms, flip angle = 15°, 1.00 × 1.00 mm² in plane resolution, 1.00 mm thickness with 50% gap) and a low-resolution structural T1-weighted in plane to the fMRI scans were collected (axially acquired, TR/TE = 591/10/10 ms, flip angle = 150°, 0.90 × 0.90 mm² in plane resolution, 3.40 mm thickness with 15% gap). For fMRI scanning, 4 T₂^*-weighted gradient-echo echo planar images (EPI) were collected (28 axially acquired slices, TR/TE = 2200/50 ms, flip angle = 90°, 3.40 × 3.40 mm² in plane resolution, 3.40 mm thickness with 15% gap).

Leal S.L., Landau S.M., Bell R.K, & Jagust W.J. (2017). Hippocampal activation is associated with longitudinal amyloid accumulation and cognitive decline. eLife, 6, e22978.

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Neuroanatomical Correlates of Impulsivity

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Data from 88 healthy male participants was included in this replication study (Table 1). Specifically, structural T1-weighted images and self-report measures of trait impulsivity data were pooled from various PET studies [35 (link)–38 (link)]. All studies, and their design, were approved by the Regional Ethics Committee in Stockholm and the Karolinska University Hospital Radiation Safety Committee. All subjects gave written informed consent prior to participating according to the Helsinki declaration.
Structural data for 76 subjects was acquired on a 1.5 T GE Signa system (Milwaukee, WI) (hereafter termed Scanner 1) and for 12 subjects on a 1.5T Siemens Magnetom Avanto system (Erlangen, Germany) (hereafter termed Scanner 2). Exclusion criteria for all subjects included historical or present episode of psychiatric illness, alcohol or drug abuse, major somatic illness, or habitual use of nicotine as determined by a physical and psychiatric examination by a physician.

Caravaggio F., Plavén-Sigray P., Matheson G.J., Plitman E., Chakravarty M.M., Borg J., Graff-Guerrero A, & Cervenka S. (2018). Trait impulsivity is not related to post-commissural putamen volumes: A replication study in healthy men. PLoS ONE, 13(12), e0209584.

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Multimodal Brain Imaging Protocol

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Neural activity was monitored by a whole-head 275-sensor axial-gradiometer system (Omega 2000, VSM MedTech Ltd., Port Coquitlam, BC, Canada). The data was sampled at 1.2 KHz after a 400 Hz low pass filter was applied. Anatomical magnetic resonance imaging (MRI) images were acquired using a 1.5 T Siemens Magnetom Avanto system (Erlangen, Germany) following the MEG session.

Popov T., Gips B., Kastner S, & Jensen O. (2019). Spatial specificity of alpha oscillations in the human visual system. Human Brain Mapping, 40(15), 4432-4440.

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Assessment of Hepatic Fat Percentage and Metabolic Dysregulation

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Hepatic fat percentage was assessed by MRI using a Magnetom Avanto system (Siemens Healthcare, Erlangen, Germany).²⁵ The presence of MAFLD was determined as a hepatic fat percent ≥5.5%²⁶ in addition to one of the three following criteria: overweight or obesity, presence of prediabetes or T2D, or as evidence of metabolic dysregulation defined as the presence of at least two cardiometabolic risks according to sex and age percentiles.⁷ The homeostasis model assessment of insulin resistance [HOMA‐IR = insulin (mU/L) × glucose (mmol/L)/22.5] was calculated by fasting serum concentrations of glucose and insulin.²⁷ HOMA‐IR ≥2.5 determined the presence of IR.

Oses M., Medrano M., Margareto Sanchez J., Portillo M.P., Aguilera C.M., Altmäe S, & Labayen I. (2022). Peripheral blood mononuclear cells‐expressed miRNA profiles derived from children with metabolic‐associated fatty liver disease and insulin resistance. Pediatric Obesity, 17(12), e12966.

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Multimodal Neuroimaging Protocol for Cognitive Studies

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MEG was recorded by using a 275‐channel axial gradiometer CTF MEG system. An online low‐pass filter with a cutoff at 300 Hz was applied, and the data were digitized at 1.2 kHz and stored for offline analyses. Additionally, we recorded participants' eye gaze by using an SR Research Eyelink 1000 eye tracker, to monitor fixation during the task. Participants' electrocardiogram (ECG) and horizontal and vertical electrooculogram (EOG) were recorded for artifact rejection purposes. To measure and monitor the participants' head position with respect to the gradiometers, we placed three coils at the nasion and left/right ear canal. We monitored head position in real time (Stolk, Todorovic, Schoffelen, & Oostenveld, 2013). After the experimental session, we recorded structural magnetic resonance images (MRI) from 22 out of 32 subjects using a 1.5 T Siemens Magnetom Avanto system with markers attached in the same position as the head coils, to align the MRIs with the MEG coordinate system in our analyses.

Drijvers L., Özyürek A, & Jensen O. (2018). Hearing and seeing meaning in noise: Alpha, beta, and gamma oscillations predict gestural enhancement of degraded speech comprehension. Human Brain Mapping, 39(5), 2075-2087.

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MRI Scans of Alzheimer's Patients

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T₁-weighted scans were collected at UCSF or Lawrence Berkeley National Laboratory (LBNL) on different MRI units, including two 1.5 T units (Magnetom Avanto System, Siemens Medical Systems, Erlangen, Germany; Magnetom VISION system, Siemens Inc., Iselin, NJ), a 3 T unit (Siemens Tim Trio scanner), and a 4 T unit (BrukerMedSpec). The proportions of subjects studied on each scanner were balanced across the three AD groups. In patients with multiple MRIs, the MRI closest to the date of the PET scan was used for data preprocessing.

Laforce R J.r., Tosun D., Ghosh P., Lehmann M., Madison C.M., Weiner M.W., Miller B.L., Jagust W.J, & Rabinovici G.D. (2014). Parallel ICA of FDG-PET and PiB-PET in three conditions with underlying Alzheimer's pathology. NeuroImage : Clinical, 4, 508-516.

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High-Resolution Structural Brain Imaging

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Structural MRI scans were acquired at the Lawrence Berkeley National Laboratory (LBNL) on a 1.5T Magnetom Avanto system (Siemens Medical Systems, Iselin, NJ) using a 12 channel head-coil run in triple mode. High-resolution T1-weighted magnetization-prepared rapid gradient echo (MPRAGE) scans were collected axially with the following measurement parameters: TR = 2110 ms, TE = 3.58 ms, flip angle = 15°, field of view = 256 × 256 mm, number of slices = 160 with a 50% gap, voxel size = 1 × 1 × 1 mm³.

Wirth M., Haase C.M., Villeneuve S., Vogel J, & Jagust W.J. (2014). Neuroprotective Pathways: Lifestyle activity, brain pathology and cognition in cognitively normal older adults. Neurobiology of aging, 35(8), 1873-1882.

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Cardiac MRI Imaging Protocol for LV Assessment

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Cardiac MRI examinations were performed using a 1.5T Siemens Magnetom Avanto system (Erlangen, Germany). See Supplemental Appendix for cine imaging parameters. LV end-diastolic mass, LV end-diastolic volume (EDV) and LV end-systolic volume (ESV) were measured, and LVEF was calculated. Images were analyzed using MASS V2010-EXP (LUMC, Leiden, The Netherlands). We have previously published the intra- and interobserver measurement variabilities for LV-myoFat and ECV [7 (link)].

Dong X., Strudwick M., Wang W.Y., Borlaug B.A., van der Geest R.J., Ng A.C., Delgado V., Bax J.J, & Ng A.C. (2022). Impact of body mass index and diabetes on myocardial fat content, interstitial fibrosis and function. The International Journal of Cardiovascular Imaging, 39(2), 379-390.

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Comparison of Cartesian and BLADE MRI Sequences

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All scans were performed at 1.5 T MR systems. The Cartesian group was performed
on an Magnetom Avanto system (Siemens Healthcare; Erlangen, Germany) and the
BLADE group was performed on an Magnetom Aera system (Siemens Healthcare;
Erlangen, Germany). For the Cartesian group, the standard inversion-recovery
sequence used Cartesian acquisition with 50% phase over-sampling, 1 mm in-plane
resolution, and 3 mm slice thickness. For the BLADE group, the BLADE sequence
used a spoke-wheel acquisition with no additional over
sampling^{(18 (link))}, 0.8 × 0.8 mm in-plane resolution, and 4
mm slice thickness. Both sequences used TR > 4500 ms for full longitudinal
recovery and both used an inversion time of 170 ms for fat suppression, but the
Cartesian sequence had a slightly longer TE (73 ms vs. 65 ms). The acquisition
time for both sequences was approximately 5.5 minutes (321 s for Cartesian; 327
s for BLADE).
The parameters of the different sequences were optimized to yield the best
diagnostic performance for the type of sequence. The parameters are shown in
Table 1.

Santucci D., Lee S.S., Hartman H., Walgampaya S., AlObaidy M., Ramalho M., Dale B.M, & Semelka R.C. (2017). Comparison of Cartesian and radial acquisition on short-tau inversion recovery (STIR) sequences in breast MRI. Radiologia Brasileira, 50(4), 216-223.

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