Mostrando 1,481 - 1,500 Resultados de 1,837 Para Buscar '"Siemens"', tiempo de consulta: 0.18s Limitar resultados
  1. 1481
    “…METHODS: We used TomTec 2D Cardiac Performance Analysis software to derive global, regional and segmental myocardial deformation parameters in 145 healthy volunteers who had steady state free precession (SSFP) cine left ventricular short (basal, mid and apical levels) and long axis views (horizontal long axis, vertical long axis and left ventricular out flow tract) obtained on a 1.5 T Siemens Sonata scanner. 20 subjects also had tagged acquisitions and we compared global and regional deformation values obtained from these with those from Feature Tracking. …”
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  2. 1482
    “…Two clinically utilized photon energies are used for a Siemens ARTISTE linear accelerator in FFF mode at 7MV(FFF) and 11MV(FFF) as well as in FF mode at 6MV(FF) and 10MV(FF). …”
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  3. 1483
    “…Methods: Eyes-closed resting fMRI scans (5:38 min; n = 306, 146 SZ) were collected from 6 Siemens 3T scanners and one GE 3T scanner. Imaging data were pre-processed using an SPM pipeline. …”
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  4. 1484
    “…BACKGROUND: The modulated arc (mARC) technique has recently been introduced by Siemens as an analogue to VMAT treatment. However, up to now only one certified treatment planning system supports mARC planning. …”
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  5. 1485
    “…METHODS: 10 merino cross sheep underwent CMR using a 1.5 Tesla system (Siemens, Sonata, Erlangen, Germany). Atrial and ventricular short axis (SA) images were acquired, using ECG -gated steady state free precession sequences. …”
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  6. 1486
    “…A spin-echo SVPS protocol without water suppression was acquired with 310 repetitions on a 7T Siemens MR scanner (TE/TR = 20/1000 ms, flip angle α = 90°, voxel size 10 × 10 × 10 mm(3)). …”
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  7. 1487
  8. 1488
    “…At 1 hour, lambs underwent structural magnetic resonance imaging (Siemens, 3 Tesla). For measures of mean/axial/radial diffusivity (MD, AD, RD) and fractional anisotropy (FA), 30 direction DTI was performed. …”
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  9. 1489
    “…METHODS: In this retrospective IRB approved study 224 patients (72 women, 152 men, mean age 67.29 ± 13.9) were included who had undergone a low-dose MR angiographic protocol at 3T (Siemens TimTrio) after injection of 0.1 mmol/kg gadobutrol including a CTM MRA, a time-resolved MRA of the calf station and a steady state 3D VIBE sequence prior to the time-resolved MRA. …”
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  10. 1490
    “…RESULTS: Fifteen studies with a total of 8,628 patients met the inclusion criteria for the primary analysis. hsTrop T (Hoffman-La Roche Ltd) and hsTrop I (Siemens) had sensitivities of 0.89 (95% confidence interval [CI]: 0.86–0.91) and 0.90 (95% CI: 0.87–0.92) and specificities of 0.79 (95% CI: 0.77–0.80) and 0.89 (95% CI: 0.87–0.90), respectively. …”
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  11. 1491
  12. 1492
    “…An ice–water phantom and nine healthy volunteers were scanned across fives centres on eight scanners (four Siemens 1.5T, four Philips 3T). The mean ADC, IVIM parameters (diffusion coefficient D and perfusion fraction f) and DTI parameters (mean diffusivity MD and fractional anisotropy FA), were measured in grey matter, white matter and specific brain sub-regions. …”
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  13. 1493
    “…Plasma levels of OPN (ELISA, Immuno-Biological Laboratories, Gunma, Japan) and AFP (IMMULITE® 2000 AFP, Siemens Healthcare Diagnostics, Tarrytown, New York) were assessed. …”
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  14. 1494
    “…Whole-body images were acquired about 1 h after injection using a PET/CT GE Discovery LS (GE-LS) or Siemens Biograph mCT (mCT). Maximum and mean SUV according to time were measured on nodal and prostatic lesions. …”
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  15. 1495
  16. 1496
    “…We investigated this association using the newly introduced platelet function analyzer (PFA)-200 (INNOVANCE PFA-200 System; Siemens Healthcare, Germany) P2Y test. METHODS: Polymorphisms of CYP2C19(*)2, (*)3, (*)17 and the degree of inhibition of platelet function were determined in 83 patients. …”
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  17. 1497
    “…METHODS: We screened 131 patients with HCM. 13 patients (9 males, 56 ±31 years) and 13 healthy age- and gender-matched subjects (9 males, 55 ±31years) underwent CMR at 7.0T and 3.0T (Siemens, Erlangen, Germany). For the assessment of cardiac function and morphology, 2D CINE imaging was performed (voxel size at 7.0T: (1.4x1.4x2.5) mm(3) and (1.4x1.4x4.0) mm(3); at 3.0T: (1.8x1.8x6.0) mm(3)). …”
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  18. 1498
    “…RESULTS: Nine Philips (vendor A) and nine Siemens (vendor B) PET/CT scanners were calibrated in a time period of 3 days before and after the reference time. …”
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  19. 1499
    “…The imaging diagnostics are performed with the use of 2D ECHO Phillips, MSCT Sensation 64 and 6 and 1.5T MRI Symphony Siemens that are situated in the Radiologic Clinic of UCCK. …”
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  20. 1500
    “…Late gadolinium enhancement, T2-STIR, and CE-SSFP images were acquired on 1.5T MR scanners (Philips, Siemens, or GE). In 65% of the patients, T2-STIR was of diagnostic quality compared with 97% for CE-SSFP. …”
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