Achieva 1.5 t scanner

Manufactured by Philips

Sourced in United States, Germany, Netherlands, United Kingdom

The Philips Achieva 1.5-T scanner is a magnetic resonance imaging (MRI) system that operates at a field strength of 1.5 Tesla. It is designed to acquire high-quality images of the human body for diagnostic purposes.

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Lab products found in correlation

Aera 1.5t scanner, by Siemens (2 mentions) 32 channel cardiac coil, by Philips (2 mentions) Aera 1.5t, by Siemens (1 mentions) Achieva 1.5t, by Philips (1 mentions) Eight channel head coil, by Philips (1 mentions) Avanto scanner, by Siemens (1 mentions) Ingenia 3t scanner, by Philips (1 mentions) 8 channel head coil, by Philips (1 mentions) 32 channel head coil, by Philips (1 mentions) Signa hdx, by GE Healthcare (1 mentions) 8 channel phased array head coil, by Philips (1 mentions) Achieva mri scanner, by Philips (1 mentions) Osirix, by Pixmeo (1 mentions)

Close spelling variants of this product

Achieva 1.5 T MRI scanners 1.5 Achieva Achieva scanner Achieva

31 protocols using achieva 1.5 t scanner

cMRI Imaging Protocol for Repaired Tetralogy of Fallot

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A 1.5 T scanner (at Bambino Gesù Children’s Hospital, we used an Achieva 1.5 T scanner, Philips Medical, Best, The Netherlands, up to 2014, and an AERA 1.5 T scanner, Siemens, Erlangen, Germany afterward; an Achieva 1.5 T scanner, Philips Medical, Best, The Netherlands was used in Naples and a Signa Hdx, General Electric Healthcare, Milwaukee, Wisconsin in Ancona) was used to perform the cMRI examinations, following a study protocol for patients with rToF, as suggested by the literature [23 (link),24 (link)]. The scanner includes cine steady-state free precession sequences to assess volume and function, multiple sequences to assess anatomy, and phase-contrast imaging to measure flow at the pulmonary, aortic valve and both pulmonary arteries.

Calcagni G., Calvieri C., Baban A., Bianco F., Barracano R., Caputo M., Madrigali A., Silva Kikina S., Perrone M.A., Digilio M.C., Pozzi M., Secinaro A., Sarubbi B., Galletti L., Gagliardi M.G., de Zorzi A., Drago F, & Leonardi B. (2022). Syndromic and Non-Syndromic Patients with Repaired Tetralogy of Fallot: Does It Affect the Long-Term Outcome?. Journal of Clinical Medicine, 11(3), 850.

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BOLD Neuroimaging Protocol for Brain Activation

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The fMRI-images were obtained with the use of a gradient-echo planar imaging sequence, which is sensitive to the blood oxygen level dependent (BOLD) response. Repetition time (TR) = 3 s, time to echo (TE) = 40 ms, flip angle (FA) = 90°, voxel size = 3.0 × 3.0 × 3.0 mm³, slice gap = 0.5 mm, 35 slices, field of view (FOV) = 228 × 204 × 122 mm³. The slices were aligned between the floor of the sella turcica and the posterior angle of the fourth ventricle. The structural MRI-images were obtained with a Philips Achieva 1.5 T scanner, and an anatomical 3D T1-weighted image of each participant’s whole brain was acquired for normalizing the functional images (TR = 25 ms, TE = 4.6 ms, FA = 30°, voxel size = 1 × 1 × 1 mm³, 175 slices, FOV = 240 × 240 × 175 mm³).
The fMRI paradigm was presented with the use of high-resolution video goggles (Resonance Technology Inc., CA, USA). Task responses (button presses) were recorded with the use of a response box (LUMItouch, Photon Control Inc., Burnaby, BC, Canada). Superlab Pro 4 (Cedrus Corp., San Pedro, CA, USA) software was used for task presentation.

Van Ettinger-Veenstra H., McAllister A., Lundberg P., Karlsson T, & Engström M. (2016). Higher Language Ability is Related to Angular Gyrus Activation Increase During Semantic Processing, Independent of Sentence Incongruency. Frontiers in Human Neuroscience, 10, 110.

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Fetal MRI Acquisition and Resting-State fMRI

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Fetal MR scanning was performed on a Philips Achieva 1.5 T scanner, using a 16 channel body coil. Mothers were asked not to eat within 2.5 h preceding the MR scanning. All the exams were acquired by a pediatric neuroradiologist and a technician. Structural scans consisted of a T2 Single Shot Turbo Spin Echo scan on the axial, sagittal and coronal planes of the fetus, TR = 8000 ms, TE = 125 ms, voxel size 1.17 × 2.76 × 3 mm, #slices = 25, for a total scanning duration time of 17 s. Functional scans (rs-fMRI) consisted of GE EPI scans TR = 2000 ms, TE = 30 ms, acquisition voxel size 2.81 × 2.86 × 3 mm, # slices = 25, slice gap = 0. Each rs-fMRI scan consisted of 60 volumes lasting 2 s each, for a total scanning time of 2 min per scan. Four to six consecutive rs-fMRI sessions (i.e. 240–360 scans, covering from 8 to 12 min of continuous brain activity at rest) (Van Dijk et al. 2009 (link)) were acquired for each subject depending on the patient condition and quality of the scans. Subject-specific details on scans acquisition and inclusion into analysis are provided in Supplementary Table S2 of the Supplementary online material.

Canini M., Cavoretto P., Scifo P., Pozzoni M., Petrini A., Iadanza A., Pontesilli S., Scotti R., Candiani M., Falini A., Baldoli C, & Della Rosa P.A. (2020). Subcortico-Cortical Functional Connectivity in the Fetal Brain: A Cognitive Development Blueprint. Cerebral Cortex Communications, 1(1), tgaa008.

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Cardiac MRI for Ventricular Assessment

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All patients were examined on Achieva 1.5-T scanner (Philips Medical System, Best, the Netherlands) using a dedicated eight-channel phased-array cardiac synergy coil for signal reception during end-expiratory breath holds. CMR cine assessment with steady-state free-precession sequences (SSFP) provided both morphological and functional data, including left and right ventricular volumes and ejection fraction.

Mantini C., Khanji M.Y., D'Ugo E., Olivieri M., Caputi C.G., Bufano G., Mastrodicasa D., Calvo Garcia D., Rotondo D., Candeloro M., Tana C., Cademartiri F., Ionescu A., Caulo M., Gallina S, & Ricci F. (2021). Aliased Flow Signal Planimetry by Cardiovascular Magnetic Resonance Imaging for Grading Aortic Stenosis Severity: A Prospective Pilot Study. Frontiers in Cardiovascular Medicine, 8, 752340.

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Cardiac MRI Imaging Protocol for Infarct Estimation

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Short- and long-axis cine images were acquired at baseline and 2 h after reperfusion. Two different scanners were used for this group. A Philips Achieva 1.5T was used for 7 of 14 animals with the following image parameters: steady-state free precession (SSFP) sequence: repetition time (TR) 3 ms, echo time (TE) 1.5 ms, flip angle 60°, and slice thickness 8 mm with no slice gap. A Siemens Aera 1.5T was used for the other seven animals with the following image parameters; SSFP sequence: TR 2.7 ms, TE 1.2 ms, flip angle 60°, and slice thickness 8 mm with no slice gap. LGEs at the same image planes were acquired for estimation of infarct size. The inversion time was chosen to null remote myocardium. LGE parameters for the Philips Achieva 1.5T scanner were TR 4.1 ms, TE 1.3 ms, flip angle 15°, field of view 122 × 122 mm, pixel size 1.52 × 1.52 mm, no slice gap. LGE parameters for the Siemens Aera 1.5T scanner were TR 2.8 ms, TE 1.2 ms, flip angle 50°, field of view 159 × 154 mm, pixel size 1.41 × 1.41 mm, no slice gap.

Berg J., Jablonowski R., Nordlund D., Kopic S., Bidhult S., Xanthis C.G., Saeed M., Solem K., Arheden H, & Carlsson M. (2019). Decreased atrioventricular plane displacement after acute myocardial infarction yields a concomitant decrease in stroke volume. Journal of Applied Physiology, 128(2), 252-263.

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Resting-state fMRI and Anxiety Levels

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Data were collected at the Neuroscience Department AOU San Giovanni Battista, Turin, Italy on a Philips Achieva 1.5 T scanner (Erlangen, Holland) equipped with dual gradient system (Quasar, Philips) of 40 mT/m and a Sense high-field, high-resolution eight-channel head coil optimized for functional imaging. The resting-state scan comprised 200 continuous functional volumes (repetition time = 1966 ms, echo time = 50 ms, flip angle = 90°, 24 axial slices, matrix = 128 × 128, slice thickness = 5 mm, acquisition voxel size = 1.8 mm × 1.8 mm × 6 mm, field of view = 25 cm). The total acquisition time was 6 min and 33 s; the patients were scanned with their eyes closed. Subjects were instructed to report anxiety feelings during the scanning on a scale ranging from no anxiety, to minimal tolerable anxiety, mildly disturbing, disturbing, severe anxiety, panic attack. All subjects reported an experience of anxiety feelings ranging from minimal tolerable anxiety (n = 2 patients, three controls) to no anxiety at all (the rest of the sample), so anxiety was not accounted for the elaboration of the data. All participants reported keeping their eyes closed and being awake during the scanning.

Lavagnino L., Amianto F., D’Agata F., Huang Z., Mortara P., Abbate-Daga G., Marzola E., Spalatro A., Fassino S, & Northoff G. (2014). Reduced Resting-State Functional Connectivity of the Somatosensory Cortex Predicts Psychopathological Symptoms in Women with Bulimia Nervosa. Frontiers in Behavioral Neuroscience, 8, 270.

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Functional MRI Acquisition and Processing

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Image acquisition and processing steps are reported following guidelines from the Organization for Human Brain Mapping (OHBM)^{76 (link),77 (link)}. Functional images were acquired using a Philips Achieva 1.5 T scanner with a standard eight-channel head coil while participants performed the moral judgment task (see “Experimental task” section), and during 7 min rest before the experimental task. Resting-state data from one NT subject was discarded due to technical problems. A structural T1 image was also acquired for localization purposes. Acquisition parameters of each sequence are reported in Supplementary Material 3.

Fittipaldi S., Armony J.L., García A.M., Migeot J., Cadaveira M., Ibáñez A, & Baez S. (2023). Emotional descriptions increase accidental harm punishment and its cortico-limbic signatures during moral judgment in autism. Scientific Reports, 13, 1745.

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Multimodal MRI Protocol for Diagnosis

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All MRI procedures were performed using an Achieva 1.5T scanner (Philips Medical Systems, Amsterdam, The Netherlands) or 1.5T Avanto scanner (SIEMENS, Erlingen, Germany), and a Discovery 3T MR750W scanner (GE Medical Systems, Chicago, IL, USA). Each patient underwent a standard protocol incorporating T2-weighted, chemical shift in-phase and out-phase, diffusion-weighted imaging, and post-contrast T1-weighted imaging axial sequences. The MRI parameters are presented in Table 1.

Toffoli T., Saut O., Etchegaray C., Jambon E., Le Bras Y., Grenier N, & Marcelin C. (2023). Differentiation of Small Clear Renal Cell Carcinoma and Oncocytoma through Magnetic Resonance Imaging-Based Radiomics Analysis: Toward the End of Percutaneous Biopsy. Journal of Personalized Medicine, 13(10), 1444.

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Optimized fMRI Acquisition for BOLD Contrast

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An echo planar imaging (EPI) gradient echo sequence optimized for BOLD contrast was used to acquire fMRI data on a Philips Achieva 1.5 T scanner (Philips Healthcare, Best, The Netherlands). The following image parameters were used: Data matrix = 80x80, Field of View (FOV) = 230 mm, Echo Time (TE) = 40 ms, Repetition Time (TR) = 2700 ms, Flip angle = 90°, Number of slices = 31, Slice thickness = 3 mm, Number of volumes = 193. Axial slices aligned between the floor of sella turcica and the corner of the fourth ventricle were acquired in interleaved order.

Walter S.A., Forsgren M., Lundengård K., Simon R., Torkildsen Nilsson M., Söderfeldt B., Lundberg P, & Engström M. (2016). Positive Allosteric Modulator of GABA Lowers BOLD Responses in the Cingulate Cortex. PLoS ONE, 11(3), e0148737.

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Cardiac MRI for Myocardial Infarction

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Animals in the chronic-phase study underwent a cardiac MRI with late-gadolinium enhancement (LGE) 28 days after the initial infarct using a Philips Achieva 1.5-T scanner (Philips Healthcare, Best, the Netherlands). Steady-state free precession breath-hold cine images were obtained in 3 long-axis planes and sequential short-axis slices from the atrioventricular ring to the apex. LV and right ventricular volume, mass, and ejection fraction were measured by using standard volumetric techniques and analyzed with commercially available software (QMASS version 7.4, Medis Medical Imaging Systems, Leiden, the Netherlands) by a blinded observer experienced in cardiac magnetic resonance (CMR) analysis. LGE images were acquired 10 to 15 min after intravenous administration of 0.2 mmol/kg gadolinium–diethylenetriamine penta-acetic acid with breath-hold 2-dimensional, phase-sensitive inversion recovery sequences in identical places as in cine images. LGE regions were defined by using full width at one-half maximum (>50% of maximum myocardial signal intensity) with manual adjustment when needed. Areas with LGE were summed to generate a total volume of LGE and are expressed as a proportion of total LV myocardium (%LGE).

Esposito M.L., Zhang Y., Qiao X., Reyelt L., Paruchuri V., Schnitzler G.R., Morine K.J., Annamalai S.K., Bogins C., Natov P.S., Pedicini R., Breton C., Mullin A., Mackey E.E., Patel A., Rowin E., Jaffe I.Z., Karas R.H, & Kapur N.K. (2018). Left Ventricular Unloading Before Reperfusion Promotes Functional Recovery After Acute Myocardial Infarction. Journal of the American College of Cardiology, 72(5), 501-514.

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