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1501Fetal Central Nervous System Anomalies Detected by Magnetic Resonance Imaging: A Two-Year Experiencepor Sefidbakht, Sepideh, Dehghani, Sakineh, Safari, Maryam, Vafaei, Homeira, Kasraeian, Maryam“…MATERIALS AND METHODS: One hundred and seven (107) pregnant women with suspicious fetal anomalies in prenatal ultrasound entered a cross-sectional retrospective study from 2011 to 2013. A 1.5 T Siemens Avanto scanner was employed for sequences, including T2 HASTE and Trufisp images in axial, coronal, and sagittal planes to mother’s body, T2 HASTE and Trufisp relative to the specific fetal body part being evaluated, and T1 flash images in at least one plane based on clinical indication. …”
Publicado 2016
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1502por Pérez-Parra, Santiago, Chueca, Natalia, Álvarez, Marta, Pasquau, Juan, Omar, Mohamed, Collado, Antonio, Vinuesa, David, Lozano, Ana B., Yebra, Gonzalo, García, Federico“…For the analysis, we used the reverse transcriptase and protease sequences from baseline resistance, and the Trugene® HIV Genotyping kit (Siemens, Barcelona, Spain). Subtyping was done with REGA v3.0. …”
Publicado 2016
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1503por Uribe, Carlos F., Esquinas, Pedro L., Tanguay, Jesse, Gonzalez, Marjorie, Gaudin, Emilie, Beauregard, Jean-Mathieu, Celler, Anna“…Eight phantoms containing inserts of different sizes and shapes placed in air, water, and radioactive background were scanned using a Siemens SymbiaT SPECT/CT camera. Planar and tomographic scans with (177)Lu sources were used to measure CNF. …”
Publicado 2017
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1504por Zhu, Jie, Zhang, Jie, Gao, Jia-Yin, Li, Jin-Ning, Yang, Da-Wei, Chen, Min, Zhou, Cheng, Yang, Zheng-Han“…Thirty enrolled healthy volunteers received DWI with GE 1.5T, Siemens 1.5T, and Philips 3.0T magnetic resonance (MR) systems on liver and spleen (session 1) and were imaged again after 10 to 14 days using only GE 1.5T MR and Philips 3.0T MR systems (session 2). …”
Publicado 2017
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1505por Faizy, Tobias Djamsched, Thaler, Christian, Ceyrowski, Tim, Broocks, Gabriel, Treffler, Natascha, Sedlacik, Jan, Stürner, Klarissa, Stellmann, Jan-Patrick, Heesen, Christoph, Fiehler, Jens, Siemonsen, Susanne“…METHODS: 26 MS patients received a 3T-MRI (Siemens, Skyra) with DIR at 12 time-points (TP) within a 16 months period. …”
Publicado 2017
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1506por Bourier, Felix, Reents, Tilko, Ammar-Busch, Sonia, Buiatti, Alessandra, Kottmaier, Marc, Semmler, Verena, Telishevska, Marta, Brkic, Amir, Grebmer, Christian, Lennerz, Carsten, Kolb, Christof, Hessling, Gabriele, Deisenhofer, Isabel“…AIMS: This study presents and evaluates the impact of a new lowest-dose fluoroscopy protocol (Siemens AG), especially designed for electrophysiology (EP) procedures, on X-ray dose levels. …”
Publicado 2016
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1507por Labus, Jennifer S., Hollister, Emily B., Jacobs, Jonathan, Kirbach, Kyleigh, Oezguen, Numan, Gupta, Arpana, Acosta, Jonathan, Luna, Ruth Ann, Aagaard, Kjersti, Versalovic, James, Savidge, Tor, Hsiao, Elaine, Tillisch, Kirsten, Mayer, Emeran A.“…T1-weighted brain images were acquired on a Siemens Allegra 3T scanner, and morphological measures were computed for 165 brain regions. …”
Publicado 2017
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1508por Anwar, Shafkat, Negishi, Kazuaki, Borowszki, Allen, Gladding, Patrick, Popović, Zoran B, Erenberg, Francine, Thomas, James D“…Left ventricular longitudinal strain was derived with EchoPAC (General Electric, v10.8.1), a vendor-specific software, and Velocity Vector Imaging (Siemens, v3.5), which is vendor-independent. Three independent readers analyzed all the echocardiograms yielding 330 datasets. …”
Publicado 2017
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1509por Raval, Shailesh B., Britton, Cynthia A., Zhao, Tiejun, Krishnamurthy, Narayanan, Santini, Tales, Gorantla, Vijay S., Ibrahim, Tamer S.“…MATERIALS AND METHOD: A wide range of sequences including T1 weighted [T1] volumetric interpolate breath-hold exam [VIBE], T2 weighted [T2] double-echo steady state [DESS], susceptibility weighted imaging [SWI], time-of-flight [TOF], diffusion tensor imaging [DTI], and diffusion spectrum imaging [DSI] were optimized and incorporated with a radiofrequency [RF] coil system composed of a transverse electromagnetic [TEM] transmit coil combined with an 8-channel receive-only array for 7T upper extremity [UE] imaging. In addition, Siemens optimized protocol/sequences were used on a 3T scanner and the resulting images from T1 VIBE and T2 DESS were compared to that obtained at 7T qualitatively and quantitatively [SWI was only qualitatively compared]. …”
Publicado 2017
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1510por Lassen, Martin L., Muzik, Otto, Beyer, Thomas, Hacker, Marcus, Ladefoged, Claes Nøhr, Cal-González, Jacobo, Wadsak, Wolfgang, Rausch, Ivo, Langer, Oliver, Bauer, Martin“…Five healthy volunteers underwent dynamic (R)-[(11)C]verapamil imaging on the same day using a GE-Advance (PET-only) and a Siemens Biograph mMR system (PET/MR). PET-emission data were reconstructed using a transmission-based attenuation correction (AC) map (PET-only), whereas a standard MR-DIXON as well as a low-dose CT AC map was applied to PET/MR emission data. …”
Publicado 2017
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1511por Kaplan, Daniel James, Campbell, Kirk A., Alaia, Michael Joseph, Strauss, Eric Jason, Jazrawi, Laith M., Chang, Gregory, Burke, Christopher“…METHODS: Patients with suspected patellofemoral maltracking and asymptomatic volunteers were scanned using GRE (Siemens LiveView WIP; Malvern, PA, USA) at 3T in the axial plane at the patella level through a range of flexion-extension (0-30°). …”
Publicado 2017
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1512por Tower‐Rader, Albree, Betancor, Jorge, Popovic, Zoran B., Sato, Kimi, Thamilarasan, Maran, Smedira, Nicholas G., Lever, Harry M., Desai, Milind Y.“…Average resting LV‐GLS was measured offline on 2‐, 3‐, 4‐chamber views using Velocity Vector Imaging (Siemens, Malvern, PA). Outcome was a composite of cardiac death and appropriate internal defibrillator (implantable cardioverter defibrillator) discharge. …”
Publicado 2017
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1513por O’ Doherty, Jim, Chalampalakis, Zacharias, Schleyer, Paul, Nazir, Muhummad Sohaib, Chiribiri, Amedeo, Marsden, Paul K.“…RESULTS: We performed a decaying-source experiment to investigate the high count-rate performance of a PET-MR system (Siemens mMR) over the expected range of activities during a clinical study. …”
Publicado 2017
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1514por Mansor, Syahir, Pfaehler, Elisabeth, Heijtel, Dennis, Lodge, Martin A., Boellaard, Ronald, Yaqub, Maqsood“…This effect was much smaller for the Siemens Biograph system. When exploring SUV (max), SUV (peak), or SUV (mean) of the spheres in the NEMA IQ phantom, it was observed that precision depended on phantom repositioning, reconstruction algorithm, and scan duration, with SUV (max) being most and SUV (peak) least sensitive to phantom repositioning. …”
Publicado 2017
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1515por Biffen, Stevie C., Warton, Christopher M. R., Lindinger, Nadine M., Randall, Steven R., Lewis, Catherine E., Molteno, Christopher D., Jacobson, Joseph L., Jacobson, Sandra W., Meintjes, Ernesta M.“…High-resolution T1-weighted images were acquired, using a sequence optimized for morphometric neuroanatomical analysis, on a Siemens 3T Allegra MRI scanner from 71 right-handed, 9- to 11-year-old children [9 fetal alcohol syndrome (FAS), 19 partial FAS (PFAS), 24 non-syndromal heavily exposed (HE) and 19 non-exposed controls]. …”
Publicado 2018
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1516por Jones, Alicia R, McNeil, Alan, Yates, Christopher, Krishnamurthy, Bala, Hamblin, Peter S“…The Roche Diagnostics Elecsys and Siemens Centaur assays have been validated for CSF βhCG, and so we advocate using one of these methods. …”
Publicado 2018
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1517por Zhao, Wei, Esquinas, Pedro L., Hou, Xinchi, Uribe, Carlos F., Gonzalez, Marjorie, Beauregard, Jean-Mathieu, Dewaraja, Yuni K., Celler, Anna“…Twenty-one phantom experiments (Siemens Symbia SPECT/CT) and 12 Monte Carlo simulations (GATE v6.1) using three therapy isotopes ((131)I, (177)Lu, and (188)Re) have been performed. …”
Publicado 2018
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1518por Ratai, Eva-Maria, Zhang, Zheng, Fink, James, Muzi, Mark, Hanna, Lucy, Greco, Erin, Richards, Todd, Kim, Daniel, Andronesi, Ovidiu C., Mintz, Akiva, Kostakoglu, Lale, Prah, Melissa, Ellingson, Benjamin, Schmainda, Kathleen, Sorensen, Gregory, Barboriak, Daniel, Mankoff, David, Gerstner, Elizabeth R.“…Seventeen participants from four sites had analyzable 3D MRSI datasets acquired on Philips, GE or Siemens scanners at either 1.5T or 3T. MRSI data were analyzed using LCModel to quantify metabolites N-acetylaspartate (NAA), creatine (Cr), choline (Cho), and lactate (Lac). …”
Publicado 2018
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1519por Huded, Chetan P., Masri, Ahmad, Kusunose, Kenya, Goodman, Andrew L., Grimm, Richard A., Gillinov, A. Marc, Johnston, Douglas R., Rodriguez, L. Leonardo, Popovic, Zoran B., Svensson, Lars G., Griffin, Brian P., Desai, Milind Y.“…Resting Zva ([systolic arterial pressure+mean aortic valve gradient]/[LV‐stroke volume index]) and LV‐GLS (measured offline using Velocity Vector Imaging, Siemens) were obtained from the baseline resting echocardiogram. …”
Publicado 2018
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1520por Zhao, Na, Yuan, Li-Xia, Jia, Xi-Ze, Zhou, Xu-Feng, Deng, Xin-Ping, He, Hong-Jian, Zhong, Jianhui, Wang, Jue, Zang, Yu-Feng“…In the current study, 21 healthy young subjects were enrolled and scanned with blood oxygenation level dependent (BOLD) RS-fMRI in 3 visits (V1 – V3), with V1 and V2 scanned on a GE MR750 scanner and V3 on a Siemens Prisma. RS-fMRI data were collected under two conditions, eyes open (EO) and eyes closed (EC), each lasting 8 minutes. …”
Publicado 2018
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