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Mostrando 861 - 880 Resultados de 1,837 Para Buscar '"Siemens"', tiempo de consulta: 0.18s Limitar resultados
  1. 861
    “…OBJECTIVE: To compare multi-detector CT (MDCT) using 128-slice coronary CT angiography (Definition AS+, Siemens Medical Solution, Forchheim, Germany) with ECG-based maximum tube current modulation with echocardiography for the determination of left ventricular ejection fraction (LVEF), end-diastolic volume (EDV), end-systolic volume (ESV), as well as assessing coronary artery image quality and patient radiation dose. …”
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    Assessment of Left Ventricular Function and Volume in Patients Undergoing 128-Slice Coronary CT Angiography with ECG-Based Maximum Tube Current Modulation: a Comparison with Echocardiography
  2. 862
    “…METHODOLOGY: We scanned, with a 3T Siemens TRIO, 16 patients who had lived through a “standard experience of breast cancer” (breast cancer and a standard treatment in remission since 18 month) in the absence of any associated stress-related psychiatric or neurological disorder and 21 matched controls. …”
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    Breast Cancer Affects Both the Hippocampus Volume and the Episodic Autobiographical Memory Retrieval
  3. 863
    “…METHODS: the hybrid system Siemens Symbia-T2 was used for the acquisition of images of a patient given 1.7 GBq of (90)Y-DOTATATE. …”
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    SPECT/CT 90Y-Bremsstrahlung images for dosimetry during therapy
  4. 864
    “…RESULTS: The 195 study participants (51% men, mean age 52 years) included 75 diabetic patients (use of antidiabetic drugs 81%) and 120 non-diabetic subjects. EC (micro Siemens, μSi) was significantly (P < 0.001) lower in diabetic patients at the hands (44 vs. 61) and feet (51 vs. 69) locations, but not at the forehead (15 vs. 17, P = 0.39). …”
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    Accuracy of a Novel Non-Invasive technology based EZSCAN system for the diagnosis of diabetes mellitus in Chinese
  5. 865
    “…METHODS: All studies were performed with 1.5-T MR system (Symphony; Siemens Medical System, Erlangen, Germany) by using a phased-array coil. …”
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    Preoperative rectal cancer staging with phased-array MR
  6. 866
    “…Exposure was performed on a second-generation dual-source scanner (SOMATOM Definition Flash, Siemens Medical Solutions, Germany). The following scan parameters were used: 320 mAs per rotation, 100 and 120 kV, pitch 3.4 for prospectively ECG-triggered high-pitch CTCA, scan range of 13.5 cm, collimation 64 × 2 × 0.6 mm with z-flying focal spot, gantry rotation time 280 ms, and simulated heart rate of 60 beats per minute. …”
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    High-Pitch Computed Tomography Coronary Angiography—A New Dose-Saving Algorithm: Estimation of Radiation Exposure
  7. 867
    “…MATERIALS AND METHODS: A retrospective review of all studies, performed with an open 0.2 Tesla MAGNETOM Concerto (Siemens Medical) MRI scanner over a 5-year period (2006 - 2010) was conducted. …”
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    Magnetic resonance imaging: Clinical experience with an open low-field-strength scanner in a resource challenged African state
  8. 868
    “…MRI data acquisition was performed on a SIEMENS verio 3-Tesla scanner. The fMRI study used a single block experimental design. …”
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    Effect of Acupuncture in Mild Cognitive Impairment and Alzheimer Disease: A Functional MRI Study
  9. 869
    “…Axial CT scans were performed on a third-generation CT scanner (Siemens, ARTX, Germany). Section thickness above posterior fossa was 10 mm (130 kV, 150 mAs). …”
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    Inter-rater reliability of modified Alberta Stroke program early computerized tomography score in patients with brain infarction
  10. 870
    “…RESULTS: In all of the enrolled patients, plasma TnI or TnT was detectable at a median concentration of 14 pg/ml (interquartile range: 7–29) using the Siemens TnI ultra assay and 49 pg/ml (31–74) using the Roche Elecsys high sensitive TnT assay. …”
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    Sensitive Troponins – Which Suits Better for Hemodialysis Patients? Associated Factors and Prediction of Mortality
  11. 871
    “…In all three patients, a planar scintigraphy of the neck was performed 10 min after injection (p.i.) followed by SPECT/CT (Symbia T2, Siemens Healthcare) and a correlative ultrasound 2 h p.i. (99m)Tc-MIBI scan was performed the day before surgery in two patients and at the same day in one patient. fSPECT images were acquired intraoperatively using declipse SPECT (SurgicEye(TM)). …”
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    Intraoperative 3-D mapping of parathyroid adenoma using freehand SPECT
  12. 872
    “…CT examination was performed using Helical CT Scanner (Somatom, Siemens, Germany). Sixty seconds after injection, images were obtained and enhancement of port, liver and aorta were determined. …”
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    Comparison of Allergic Adverse Effects and Contrast Enhancement Between Iodixanol and Iopromide
  13. 873
    “…PET examinations were performed with a Siemens high resolution research tomograph. Data were analysed with the simplified reference tissue model, applying manually drawn regions of interest for every subject. …”
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    Effects of amphetamine on the human brain opioid system – a positron emission tomography study
  14. 874
    “…METHODS: The dorsal Lisfranc ligaments of fifty asymptomatic subjects (n = 100 feet) were imaged using a Siemens SONOLINE Antares Ultrasound Imaging System(©) under low, medium, and high stress loads at 0° and 15° abducted foot positions. …”
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    Reliability of ultrasound imaging in the assessment of the dorsal Lisfranc ligament
  15. 875
    “…METHODS: Dyna-CT of the cervical spine of an ex-vivo lamb model was performed with the Artis Zee® Ceiling (Siemens Medical Solutions, Erlangen, Germany) to acquire multiplanar reconstruction images. 15 cervical nerve root punctures were planned and conducted with the syngo iGuide® laser-guidance system. …”
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    Laser-Guided Cervical Selective Nerve Root Block with the Dyna-CT: Initial Experience of Three-Dimensional Puncture Planning with an Ex-Vivo Model
  16. 876
    “…NT-proBNP (pg/ml) was determined using the immulite 1 000 chemiluminescence immunoassay system (Siemens Medical Solution Diagnostics, Deerfiled, USA). …”
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    Serum high-sensitivity C-reactive protein, amyloid-associated protein and N-terminal proBNP levels do not predict reversible myocardial ischaemia
  17. 877
    “…GGN segmentation was performed by using 2 volumetry software programs (LungCARE, Siemens Healthcare; LungVCAR, GE Healthcare). Successful nodule segmentation was assessed visually and morphologic features of GGNs were evaluated to determine factors affecting segmentation by both types of software. …”
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    A Comparison of Two Commercial Volumetry Software Programs in the Analysis of Pulmonary Ground-Glass Nodules: Segmentation Capability and Measurement Accuracy
  18. 878
    “…TRUS-guided biopsy of prostate was done with a Siemens Sonoline Adana Scanner. The scanning was performed by mechanical probe 5-7.5 MHz. …”
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    Endorectal coil MRI and MR-spectroscopic imaging in patients with elevated serum prostate specific antigen with negative trus transrectal ultrasound guided biopsy
  19. 879
    “…CT images were attained on a six-slice Siemens-Somaton-Emotion. RESULTS: MR images of HO differ according to the degree of bone maturity. …”
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    Pelvic heterotopic ossification: when CT comes to the aid of MR imaging
  20. 880
    “…Here, we evaluated the imaging performance of MV-CBCT on a weekly basis for ∼ 1 year using a Siemens ONCOR machine with a 6-MV X-ray and an image-quality phantom. …”
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    Evaluation of imaging performance of megavoltage cone-beam CT over an extended period
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