Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Ehsan Kazemivalipour"'
Autor:
Ehsan Kazemivalipour, Alireza Sadeghi-Tarakameh, Boris Keil, Yigitcan Eryaman, Ergin Atalar, Laleh Golestanirad
Publikováno v:
PLoS ONE, Vol 18, Iss 1, p e0280655 (2023)
BackgroundSince the advent of magnetic resonance imaging (MRI) nearly four decades ago, there has been a quest for ever-higher magnetic field strengths. Strong incentives exist to do so, as increasing the magnetic field strength increases the signal-
Externí odkaz:
https://doaj.org/article/6c3f3fd53b8547788756b45d988be0b0
Autor:
Laleh Golestanirad, Ehsan Kazemivalipour, Boris Keil, Sean Downs, John Kirsch, Behzad Elahi, Julie Pilitsis, Lawrence L Wald
Publikováno v:
PLoS ONE, Vol 14, Iss 8, p e0220043 (2019)
Patients with deep brain stimulation (DBS) implants can significantly benefit from magnetic resonance imaging (MRI), however access to MRI is restricted in these patients because of safety concerns due to RF heating of the leads. Recently we introduc
Externí odkaz:
https://doaj.org/article/36dd7defe2074481b7f507300fc1232f
Autor:
Markus W. May, Sam‐Luca J. D. Hansen, Mirsad Mahmutovic, Alina Scholz, Nicolas Kutscha, Bastien Guerin, Jason P. Stockmann, Robert L. Barry, Ehsan Kazemivalipour, Rene Gumbrecht, Ralph Kimmlingen, Markus Adriany, Yulin Chang, Christina Triantafyllou, Susanne Knake, Lawrence L. Wald, Boris Keil
Publikováno v:
Magnetic Resonance in Medicine. 88:1419-1433
To extend the coverage of brain coil arrays to the neck and cervical-spine region to enable combined head and neck imaging at 7 Tesla (T) ultra-high field MRI.The coil array structures of a 64-channel receive coil and a 16-channel transmit coil were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1300fc1ab27ed6928203da657caf5ba3
https://doi.org/10.1002/mrm.29288
https://doi.org/10.1002/mrm.29288
Autor:
Ehsan Kazemivalipour, Alireza Sadeghi-Tarakameh, Boris Keil, Yigitcan Eryaman, Ergin Atalar, Laleh Golestanirad
BackgroundSince the advent of magnetic resonance imaging (MRI) nearly four decades ago, there has been a quest for ever-higher magnetic field strengths. Strong incentives exist to do so, as increasing the magnetic field strength increases the signal-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb74a08b15a4e1b5302c2ec3e70198d5
https://doi.org/10.1101/2022.12.13.520303
https://doi.org/10.1101/2022.12.13.520303
Publikováno v:
Magnetic Resonance Materials in Physics, Biology and Medicine
Objective: Accelerating the co-simulation method for the design of transmit array (TxArray) coils is studied using equivalent circuit models. Materials and methods: Although the co-simulation method dramatically reduces the complexity of the design o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::584ce32791338a3e2c613c479749b29c
https://doi.org/10.1007/s10334-020-00858-0
https://doi.org/10.1007/s10334-020-00858-0
Autor:
John E. Kirsch, Laleh Golestanirad, Julie G. Pilitsis, Joshua M. Rosenow, Ehsan Kazemivalipour, Ergin Atalar, Hideta Habara, David A. Lampman
Publikováno v:
Magn Reson Med
Magnetic Resonance in Medicine
Magnetic Resonance in Medicine
Purpose Patients with deep brain stimulation (DBS) implants benefit highly from MRI, however, access to MRI is restricted for these patients because of safety hazards associated with RF heating of the implant. To date, all MRI studies on RF heating o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9b6f53289a04a2f46917411d8b68537
https://doi.org/10.1002/mrm.28049
https://doi.org/10.1002/mrm.28049
Publikováno v:
Physics in Medicine & Biology
Phys Med Biol
Phys Med Biol
Patients with active implants such as deep brain stimulation (DBS) devices have limited access to magnetic resonance imaging (MRI) due to risks associated with RF heating of implants in MRI environment. With an aging population and increased prevalen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a04975ab0d46f5c71fe7fc4372584058
https://hdl.handle.net/11693/77186
https://hdl.handle.net/11693/77186
Autor:
Joshua M. Rosenow, John E. Kirsch, Laleh Golestanirad, Jasmine Vu, Stella Lin, Ehsan Kazemivalipour, Ergin Atalar, Behzad Elahi, Bhumi Bhusal, Bach T. Nguyen
Publikováno v:
EMBC
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS
Date of Conference: 20-24 July 2020 Conference Name: 42nd Annual International Conferences of the IEEE Engineering in Medicine and Biology Society, EMBC 2020 Patients with deep brain stimulation (DBS) implants are often denied access to magnetic reso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec8e7ad2098626b816bcf3b2f90483ed
https://doi.org/10.1109/embc44109.2020.9175737
https://doi.org/10.1109/embc44109.2020.9175737
Autor:
Ehsan Kazemivalipour, Joshua M. Rosenow, Bhumi Bhusal, Laleh Golestani Rad, Behzad Elahi, Boris Keil
Patients with active implants such as deep brain stimulation (DBS) devices, have limited access to magnetic resonance imaging (MRI) due to risks of RF heating. With an aging population, the prevalence of neurodegenerative and vascular disease increas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b772c0a6270a7e01393610d1130c25bb
https://doi.org/10.1101/2020.06.25.170159
https://doi.org/10.1101/2020.06.25.170159
Publikováno v:
Magnetic Resonance in Medicine
PURPOSE To obtain efficient operation modes of transmit array (TxArray) coils using a general design technique based on the eigenmode analysis of the scattering matrix. METHODS We introduce the concept of modal reflected power and excitation eigenmod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5619b4977bfd42dcf24e1c4845935c20
https://pubmed.ncbi.nlm.nih.gov/33034125
https://pubmed.ncbi.nlm.nih.gov/33034125