Achieva 3t scanner

Manufactured by Philips

Sourced in Netherlands, Germany, France, United States

The Philips Achieva 3T scanner is a magnetic resonance imaging (MRI) system that operates at a field strength of 3 Tesla. It is designed to acquire high-quality images of the human body for diagnostic and research purposes.

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Lab products found in correlation

32 channel head coil, by Philips (16 mentions) 8 channel head coil, by Philips (9 mentions) 8 channel sense head coil, by Philips (8 mentions) 8 channel phased array head coil, by Philips (4 mentions) Eight channel head coil, by Philips (4 mentions) Matlab, by MathWorks (3 mentions) Eight channel sense head coil, by Philips (3 mentions) Pulse oximeter, by Philips (3 mentions) Bellows system, by Philips (3 mentions) Crania, by Elekta (3 mentions) 3d presto, by Philips (2 mentions) Sense head 8, by Philips (2 mentions) 8 channel sense coil, by Philips (2 mentions) Dual nova gradients, by Philips (2 mentions) Magnetom trio 3t scanner, by Siemens (2 mentions) Discovery rx vct 64 pet ct scanner, by GE Healthcare (2 mentions) 32 channel surface coil, by Philips (2 mentions) 32 channel rf head coil, by Philips (2 mentions) Hdxt 1.5t scanner, by GE Healthcare (2 mentions) 1.5t gyroscan scanner, by Philips (2 mentions)

Close spelling variants of this product

Achieva (844 citations) Achieva scanner (536 citations) 3T scanner (120 citations) Achieva 3T (119 citations) Achieva 3T MRI scanner (106 citations) Achieva 3T MR scanner (38 citations) Achieva 3T whole-body scanner (25 citations) Achieva 3T X-series scanner (19 citations) 3T Achieva X-series MRI scanner (13 citations) 3T Achieva TX scanner (11 citations)

196 protocols using achieva 3t scanner

Arterial Spin Labeling for Cerebral Blood Flow

Cited 1 time

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Neuroimaging data was collected using a whole-body Philips Achieva 3T scanner and a 32-channel head coil (Koninklijke Philips N.V., Amsterdam, Netherlands). Scanning sessions included a T1-weighted structural MRI scan and 6 scans utilizing pseudo-continuous arterial spin labeling protocols (pCASL) (Dai, Garcia, deBazelaire, & Alsop, 2008 (link); Wu, Fernández-Seara, Detre, Wehrli, & Wang, 2007 (link)).
Whole brain structural images were acquired using a three-dimensional (3D) T1-weighted magnetization-prepared rapid gradient-echo (MP-RAGE) sequence with a field-of-view (FOV) of 240 mm, in-plane resolution of 1 mm × 1 mm, 176 contiguous sagittal slices of 1 mm thickness, and TR/TE/flip angle = 7.2 ms/3.2 ms/8°. ASL data were acquired using a two-dimensional (2D) pCASL technique with a field-of-view (FOV) of 230 mm, in-plane resolution of 3.2 mm × 3.2 mm, 20 axial slices of 6 mm thickness, 1-mm interslice gap, and TR/TE/flip angle = 4 s/11 ms/90°. Arterial spin labeling was applied at a plane 30.5 mm inferior to the lowest imaging slice with a labeling time of 1500 ms and a post-labeling delay time of 1800 ms. Structural MRI required 4 min, 34 s. Each of the 6 ASL scans (2 per task condition) required 3 min, 4 s. resulting in 23 pairs of control and tagged images per run (46 per condition).

Boissoneault J., Sevel L., Robinson M.E, & Staud R. (2017). Functional brain connectivity of remembered fatigue or happiness in healthy adults: Use of arterial spin labeling. Journal of clinical and experimental neuropsychology, 40(3), 224-233.

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3T Neuroimaging Acquisition Protocol

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Structural and functional images were acquired at Diagnoscan, Clinical Center, University of Debrecen, using a Philips Achieva 3 T scanner. The structural 3D T1-weighted turbo field echo (TFE) images were scanned with 3.7 ms echo time (TE), 8 ms repetition time (TR), 8-degree flip angle and 0.5 × 0.5 × 1 mm³ voxel size. The resting-state functional images covered the whole brain, and the field-echo echo-planar imaging (FE_EPI) sequence protocol used 35 ms TE, 2300 ms TR, and a 90-degree flip angle. The in-plane resolution was 1.25 mm × 1.25 mm, and 29 interleaved axial slices were acquired with 4 mm slice thickness, leaving no gaps between slices.

Aranyi S.C., Képes Z., Nagy M., Opposits G., Garai I., Káplár M, & Emri M. (2022). Topological dissimilarities of hierarchical resting networks in type 2 diabetes mellitus and obesity. Journal of Computational Neuroscience, 51(1), 71-86.

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Structural Brain Imaging via 3T MRI

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For each patient, a high-resolution T1-weighted anatomical image was acquired on an Achieva 3T scanner (Philips, Eindhoven, The Netherlands) using a three-dimensional fast field echo sequence (sagittal; repetition time = 20 ms, echo time = 4.6 ms, flip angle = 20°, 180 slices with no gap, slice thickness = 1 mm, field of view = 256 × 256 mm², in-plane resolution = 1 × 1 mm²). The MRI examination was carried out within 24 h of the clinical testing.
The MRI data were segmented, spatially normalized to Montreal Neurological Institute (MNI) space (voxel size = 1 mm³), modulated to correct for nonlinear warping effects, and smoothed with a 10-mm full width at half maximum Gaussian kernel using the VBM5 toolbox implemented in SPM5 software (www.fil.ion.ucl.ac.uk). Images were masked to exclude non-gray matter (GM) voxels from the analyses.

Benbrika S., Doidy F., Carluer L., Mondou A., Buhour M.S., Eustache F., Viader F, & Desgranges B. (2018). Alexithymia in Amyotrophic Lateral Sclerosis and Its Neural Correlates. Frontiers in Neurology, 9, 566.

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Diffusion Tensor Imaging Protocol for 3T MRI

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Magnetic resonance imaging was performed in a Philips Achieva 3-T scanner with a standard head coil. All participants were asked to remain quiet during scanning. Ear plugs and foam pads were used to minimize noise and head motion. DTI data were acquired using a single-shot spin-echo-planar imaging sequence parallel to the line of the anterior-posterior commissure. The acquisition parameters were as follows: repetition time, 6590 ms; echo time, 70 ms; acquisition matrix, 128 × 128; field of view, 240 mm; slice thickness, 2.5 mm; no gap; and 60 contiguous axial slices. Diffusion-sensitive gradients were applied along 32 noncollinear directions (b = 700 s/mm²), and one additional image was collected without a diffusion gradient (b0 = 0 s/mm²). To enhance the signal-to-noise ratio, image acquisition was repeated two times.

Zhang J., Gao J., Shi H., Huang B., Wang X., Situ W., Cai W., Yi J., Zhu X, & Yao S. (2014). Sex Differences of Uncinate Fasciculus Structural Connectivity in Individuals with Conduct Disorder. BioMed Research International, 2014, 673165.

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3T MRI Brain Lesion Quantification Protocol

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Participants underwent 3T brain MRI on a Philips Achieva 3T scanner with an 8-channel SENSE head coil. The scan protocol included 3D T1-weighted gradient echo, 3D T2-weighted turbo spin echo, 3D T2*-weighted gradient echo, and 3D fluid-attenuated inversion recovery (FLAIR) scan (sequence details eTable 1, links.lww.com/WNL/D397). Lacunes (on T1-weighted, T2-weighted, and FLAIR scan) were manually counted, and microbleed counting (on T2*-weighted scans) was supported by semiautomated rating software.^{16 (link)} Ratings were performed by 2 trained raters (HvdB and NAW who had a good interrater reliability of 0.8 or more and resolved discrepancies in a consensus meeting) according to the STRIVE-1 criteria^{17 (link)} (note: the criteria for these particular lesions are the same in the updated STRIVE-2).^{18 (link)} Segmentations of WMH, lacunes, intracranial volume, and total brain volume were acquired as previously published.^{13 (link)}

Van Den Brink H., Pham S., Siero J.C., Arts T., Onkenhout L., Kuijf H., Hendrikse J., Wardlaw J.M., Dichgans M., Zwanenburg J.J, & Biessels G.J. (2024). Assessment of Small Vessel Function Using 7T MRI in Patients With Sporadic Cerebral Small Vessel Disease: The ZOOM@SVDs Study. Neurology, 102(5), e209136.

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Optimized MRI Protocol for Epilepsy

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Images were acquired on a Philips Achieva 3T scanner, using a standard 8‐channel head coil with an optimized protocol for epilepsy investigation.²⁰ The protocol included coronal T2‐weighted multi‐echo, T1‐weighted inversion recovery and fluid attenuated inversion recovery (FLAIR) coronal images perpendicular to the long axis of the hippocampus, FLAIR axial images parallel to the long axis of the hippocampus, 3D T1‐weighted gradient‐echo image (1 mm isotropic voxels, no gap, flip angle = 8°, TE = 2.3 ms, TR = 7 ms, matrix 240 × 240, field of view (FOV) = 240 × 240 mm², 6 min scan time) and a DTI sequence (spin‐echo, single‐shot echo planar imaging technique, SENSE R = 2 halfscan phase encoding = 0.68, voxel size = 2 × 2 × 2 mm³ interpolated to 1 × 1 × 2 mm³, reconstructed matrix = 256 × 256; 70 slices of 2 mm thick; TE/TR = 61/8500 ms, one non‐diffusion, 32 gradient directions, b = 1000 s/mm², no averages, 6 min scan time).⁵

Yasuda C.L., Pimentel‐Silva L.R., Beltramini G.C., Liu M., Machado de Campos B., Coan A.C., Beaulieu C., Cendes F, & Gross D.W. (2023). Brain volumes and white matter diffusion across the adult lifespan in temporal lobe epilepsy. Annals of Clinical and Translational Neurology, 10(7), 1106-1118.

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Multimodal Brain Imaging Protocol for DTI

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Participants underwent brain magnetic resonance imaging (MRI) on a Phillips Achieva 3-T scanner for structural T1-weighted imaging (3-dimensional MPRAGE) with 1 × 1 × 1-mm resolution and DTI. Diffusion tensor imaging parameters included single-shot echoplanar imaging; b-value of 700 seconds/mm²; 32 diffusion-weighting orientations with 5 b0 images; 70 gapless whole-brain axial sections of 2.2-mm thickness; matrix of 96 × 96, field of view of 212 × 212 mm, and zero-filled to 256 × 256 mm. DtiStudio was used for data processing.^{19 (link)} Motion and eddy current were monitored and corrected with an in-house affine transformation with a cost function based on tensor fitting.^{20 (link)} Gradient tables were compensated for rotational motion. Tensor fitting was performed by a RESTORE-type in-house outlier rejection method.^{21 (link)}

Coughlin J.M., Wang Y., Minn I., Bienko N., Ambinder E.B., Xu X., Peters M.E., Dougherty J.W., Vranesic M., Koo S.M., Ahn H.H., Lee M., Cottrell C., Sair H.I., Sawa A., Munro C.A., Nowinski C.J., Dannals R.F., Lyketsos C.G., Kassiou M., Smith G., Caffo B., Mori S., Guilarte T.R, & Pomper M.G. (2017). Imaging of Glial Cell Activation and White Matter Integrity in Brains of Active and Recently Retired National Football League Players. JAMA neurology, 74(1), 67-74.

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High-Resolution T1-Weighted Brain Imaging

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High-resolution T1-weighted anatomic images were acquired on a Philips Achieva 3T scanner (Philips, Eindhoven, the Netherlands) using a 3-dimensional fast-field echo sequence (sagittal; repetition time = 20 milliseconds, echo time = 4.6 milliseconds, flip angle 5 208, number of slices = 170, slice thickness = 1 mm, field of view = 256 × 256 mm², matrix = 256 × 256).

Tomadesso C., de Lizarrondo S.M., Ali C., Landeau B., Mézenge F., Perrotin A., de La Sayette V., Vivien D, & Chételat G. (2022). Plasma Levels of Tissue-Type Plasminogen Activator (tPA) in Normal Aging and Alzheimer's Disease: Links With Cognition, Brain Structure, Brain Function and Amyloid Burden. Frontiers in Aging Neuroscience, 14, 871214.

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HERMES Spectroscopy Phantom Experiments

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HERMES experiments were performed using two separate 100 mL spherical phantoms, one containing NAA (10 mM, pH 7.2) and one containing NAAG (10 mM, pH 7.2), on a Philips Achieva 3T scanner (Philips Healthcare, Best, The Netherlands) using an eight-channel phased-array knee coil for receive. The body coil (B₁ = 13.5 μT) was used for transmitting radiofrequency pulses.
Scan parameters were the same as the simulations above, with repetition time (TR) of 2.2 s, TE of 150 ms, chemical shift selective (CHESS) water suppression with a 2.4 × 2.4 × 2.4 cm³ voxel, and 16 averages. Spectra were line-broadened using a 6.5-Hz exponential filter and reconstructed to generate NAA- and NAAG-edited spectra for each phantom (Eq. [1]), including crosstalk reconstructions (the NAAG-edited spectrum for the NAA phantom) and vice versa, were also calculated to estimate the amount of coediting of the unwanted signals. Percentage crosstalk values for both NAA and NAAG were calculated as in the simulations.

Chan K.L., Puts N.A., Schär M., Barker P.B, & Edden R.A. (2016). HERMES: Hadamard Encoding and Reconstruction of MEGA-Edited Spectroscopy. Magnetic resonance in medicine, 76(1), 11-19.

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High-Resolution 3T fMRI Acquisition

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fMRI data were acquired on a Philips Achieva 3 T scanner using 3D PRESTO (Neggers et al., 2008 (link); van Gelderen et al., 2012 (link)) and a 8-channel head coil. 40 slices were acquired with a field of view (FOV) of 224 × 256 × 160 mm³ and with a voxel size of 4 mm isotropic. Volume-to-volume repetition time (TR) was 0.608 s, with a flip angle of 10°, echo time (TE) of 33.2 ms, and TR between subsequent RF pulses of 22.5 ms. In addition, whole-brain T1-weighted 3D TFE structural images were acquired at a resolution of 1 mm isotropic, with FOV: 288 × 288 × 175 mm³; flip angle: 8°; TR: 8.4 ms; TE: 3.8 ms.

Horn D.M., Zubarev R.A, & McLafferty F.W. (2000). Automated de novo sequencing of proteins by tandem high-resolution mass spectrometry. Proceedings of the National Academy of Sciences of the United States of America, 97(19), 10313-10317.

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