Kenichi Funamoto

Summary

Affiliation: Tohoku University
Country: Japan

Publications

  1. doi request reprint Numerical experiment for ultrasonic-measurement-integrated simulation of three-dimensional unsteady blood flow
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, 2 1 1 Katahira, Aoba ku, Sendai 980 8577, Japan
    Ann Biomed Eng 36:1383-97. 2008
  2. doi request reprint Poly(vinyl alcohol) gel ultrasound phantom with durability and visibility of internal flow
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, 2 1 1 Katahira, Aoba ku, Sendai, 980 8577, Japan
    J Med Ultrason (2001) 42:17-23. 2015
  3. doi request reprint Reproduction of pressure field in ultrasonic-measurement-integrated simulation of blood flow
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, 2 1 1 Katahira, Aoba ku, Sendai 980 8577, Japan
    Int j numer method biomed eng 29:726-40. 2013
  4. pmc A novel microfluidic platform for high-resolution imaging of a three-dimensional cell culture under a controlled hypoxic environment
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, Sendai 980 8577, Japan
    Lab Chip 12:4855-63. 2012
  5. doi request reprint Numerical validation of MR-measurement-integrated simulation of blood flow in a cerebral aneurysm
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, 2 1 1 Katahira, Aoba ku, Sendai, 980 8577, Japan
    Ann Biomed Eng 37:1105-16. 2009
  6. doi request reprint Numerical experiment of transient and steady characteristics of ultrasonic-measurement-integrated simulation in three-dimensional blood flow analysis
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, Aoba ku, Sendai, Japan
    Ann Biomed Eng 37:34-49. 2009
  7. doi request reprint Numerical analysis of effects of measurement errors on ultrasonic-measurement-integrated simulation
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, Sendai 980 8577, Japan
    IEEE Trans Biomed Eng 58:653-63. 2011
  8. doi request reprint Hemodynamic analysis of growing intracranial aneurysms arising from a posterior inferior cerebellar artery
    Shin Ichiro Sugiyama
    Department of Neuroanesthesia, Kohnan Hospital, Sendai, Japan
    World Neurosurg 78:462-8. 2012
  9. doi request reprint Local hemodynamics at the rupture point of cerebral aneurysms determined by computational fluid dynamics analysis
    Shunsuke Omodaka
    Departments of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
    Cerebrovasc Dis 34:121-9. 2012
  10. ncbi request reprint Fundamental study of ultrasonic-measurement-integrated simulation of real blood flow in the aorta
    Kenichi Funamoto
    Graduate School of Engineering, Tohoku University, 6 6 01 Aaramaki Aoba, Aoba ku, Sendai 980 8579, Japan
    Ann Biomed Eng 33:415-28. 2005

Collaborators

Detail Information

Publications21

  1. doi request reprint Numerical experiment for ultrasonic-measurement-integrated simulation of three-dimensional unsteady blood flow
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, 2 1 1 Katahira, Aoba ku, Sendai 980 8577, Japan
    Ann Biomed Eng 36:1383-97. 2008
    ..Hence, this feedback method is a possible solution to overcome the insufficient time resolution of ultrasonic measurement...
  2. doi request reprint Poly(vinyl alcohol) gel ultrasound phantom with durability and visibility of internal flow
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, 2 1 1 Katahira, Aoba ku, Sendai, 980 8577, Japan
    J Med Ultrason (2001) 42:17-23. 2015
    ..The aim of this study was to develop a durable ultrasound phantom with visibility of the internal flow...
  3. doi request reprint Reproduction of pressure field in ultrasonic-measurement-integrated simulation of blood flow
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, 2 1 1 Katahira, Aoba ku, Sendai 980 8577, Japan
    Int j numer method biomed eng 29:726-40. 2013
    ..It is thus concluded that the UMI simulation with pressure compensation allows for the reproduction of both velocity and pressure fields of blood flow...
  4. pmc A novel microfluidic platform for high-resolution imaging of a three-dimensional cell culture under a controlled hypoxic environment
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, Sendai 980 8577, Japan
    Lab Chip 12:4855-63. 2012
    ..This microfluidic device presents itself as a promising platform for the investigation of cellular behaviour in a 3D gel scaffold under varying hypoxic conditions...
  5. doi request reprint Numerical validation of MR-measurement-integrated simulation of blood flow in a cerebral aneurysm
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, 2 1 1 Katahira, Aoba ku, Sendai, 980 8577, Japan
    Ann Biomed Eng 37:1105-16. 2009
    ..Furthermore, the MR-MI simulation yielded wall shear stress distribution on the cerebral aneurysm of the standard solution accurately and in detail...
  6. doi request reprint Numerical experiment of transient and steady characteristics of ultrasonic-measurement-integrated simulation in three-dimensional blood flow analysis
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, Aoba ku, Sendai, Japan
    Ann Biomed Eng 37:34-49. 2009
    ..Increasing the velocity information by using multiple probes enhanced the UMI simulation by achieving ten times faster convergence and more reduction of error...
  7. doi request reprint Numerical analysis of effects of measurement errors on ultrasonic-measurement-integrated simulation
    Kenichi Funamoto
    Institute of Fluid Science, Tohoku University, Sendai 980 8577, Japan
    IEEE Trans Biomed Eng 58:653-63. 2011
    ..Through these considerations, UMI simulation can provide accurate and detailed information on hemodynamics with suppression of four major measurement errors...
  8. doi request reprint Hemodynamic analysis of growing intracranial aneurysms arising from a posterior inferior cerebellar artery
    Shin Ichiro Sugiyama
    Department of Neuroanesthesia, Kohnan Hospital, Sendai, Japan
    World Neurosurg 78:462-8. 2012
    ..This study aimed to investigate whether there were differences in hemodynamic characteristics between the two growing aneurysms...
  9. doi request reprint Local hemodynamics at the rupture point of cerebral aneurysms determined by computational fluid dynamics analysis
    Shunsuke Omodaka
    Departments of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
    Cerebrovasc Dis 34:121-9. 2012
    ..This study investigated the local hemodynamic features at the aneurysm rupture point...
  10. ncbi request reprint Fundamental study of ultrasonic-measurement-integrated simulation of real blood flow in the aorta
    Kenichi Funamoto
    Graduate School of Engineering, Tohoku University, 6 6 01 Aaramaki Aoba, Aoba ku, Sendai 980 8579, Japan
    Ann Biomed Eng 33:415-28. 2005
    ..Finally, an example of UMI simulation with feedback from real color Doppler measurement also shows a good agreement with measurement...
  11. ncbi request reprint Detection and correction of aliasing in ultrasonic measurement of blood flows with Ultrasonic-Measurement-Integrated simulation
    Kenichi Funamoto
    Graduate School of Engineering, Tohoku University, Sendai, Japan
    Technol Health Care 13:331-44. 2005
    ..Although correction B gives the most accurate result, correction A seems more robust and, therefore, a beneficial choice considering the other artifacts in the measurement...
  12. doi request reprint Effects of inflow velocity profile on two-dimensional hemodynamic analysis by ordinary and ultrasonic-measurement-integrated simulations
    Takaumi Kato
    Graduate School of Biomedical Engineering, Tohoku University, Sendai, 980 8579, Japan
    Med Biol Eng Comput 54:1331-9. 2016
    ..Condition A resulted in a larger error than the other conditions in both the 2D-O and 2D-UMI simulations. ..
  13. doi request reprint Computational simulation of convection-enhanced drug delivery in the non-human primate brainstem: a simple model predicting the drug distribution
    Shin Ichiro Sugiyama
    Tohoku University Graduate School of Medicine, Sendai, Japan
    Neurol Res 35:773-81. 2013
    ..Especially when targeting brainstem lesions, prediction of drug distribution prior to CED will be necessary. This study evaluated the computational simulation of CED in the primate brainstem using a simplified model...
  14. doi request reprint Frictional characteristics of erythrocytes on coated glass plates subject to inclined centrifugal forces
    Takashi Kandori
    Graduate School of Engineering, Tohoku University, 6 6 Aramaki Aoba, Aoba ku, Sendai 980 8579, Japan
    J Biomech Eng 130:051007. 2008
    ..The results for the MPC-coated plate in saline are similar to that in plasma but somewhat smaller, implying that the friction characteristics for the MPC-coated plate are essentially independent of plasma protein...
  15. pmc Computational Hemodynamic Analysis for the Diagnosis of Atherosclerotic Changes in Intracranial Aneurysms: A Proof-of-Concept Study Using 3 Cases Harboring Atherosclerotic and Nonatherosclerotic Aneurysms Simultaneously
    Shin Ichiro Sugiyama
    Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan Graduate School of Biomedical Engineering, Tohoku University, Sendai, Japan Department of Neuroanesthesia, Kohnan Hospital, Sendai, Japan
    Comput Math Methods Med 2016:2386031. 2016
    ..This proof-of-concept study demonstrated that CFD analysis provided detailed information on the exchange and residence of blood that is useful for the diagnosis of atherosclerotic changes in intracranial aneurysms...
  16. ncbi request reprint Photoplethysmography and ultrasonic-measurement-integrated simulation to clarify the relation between two-dimensional unsteady blood flow field and forward and backward waves in a carotid artery
    Shusaku Sone
    Graduate School of Biomedical Engineering, Tohoku University, Sendai, 980 8579, Japan
    Med Biol Eng Comput . 2016
    ..In conclusion, the proposed methodology using PPG and 2D-UMI simulation was shown to be a potential tool to clarify the relation between 2D unsteady blood flow field and the forward and backward waves in a carotid artery...
  17. doi request reprint Numerical analysis of hemodynamic changes in the left atrium due to atrial fibrillation
    Ryo Koizumi
    Graduate School of Engineering, Tohoku University, Japan
    J Biomech 48:472-8. 2015
    ..The relative residence time (RRT), which is an indicator of stagnation of blood flow, increased in the upper part of the LAA during AF. This result implies that there is a local thrombus-prone site in LAA when AF occurs. ..
  18. doi request reprint Influence of surface model extraction parameter on computational fluid dynamics modeling of cerebral aneurysms
    Shunsuke Omodaka
    Department of Neurosurgery, Tohoku University Graduate School of Medicine, 1 1 Seiryo machi, Aoba ku, Sendai, Miyagi 980 8574, Japan
    J Biomech 45:2355-61. 2012
    ..The pattern of WSS distribution changed remarkably in one case. Threshold image intensity differences can produce profound effects on CFD. Our results suggest the uniform setting of C(thre) value is important for objective CFD...
  19. pmc Reduced Uterine Perfusion Pressure (RUPP) Model of Preeclampsia in Mice
    Tomofumi Fushima
    Division of Clinical Pharmacology and Therapeutics, Tohoku University Graduate School of Pharmaceutical Sciences and Faculty of Pharmaceutical Sciences, Sendai, Japan
    PLoS ONE 11:e0155426. 2016
    ..This novel RUPP model in mice should be useful for investigating the pathogenesis of PE in genetically engineered mice and for evaluating new therapies for PE. ..
  20. doi request reprint Development and feasibility study of a two-dimensional ultrasonic-measurement-integrated blood flow analysis system for hemodynamics in carotid arteries
    Takaumi Kato
    Graduate School of Biomedical Engineering, Tohoku University, Sendai, 980 8579, Japan
    Med Biol Eng Comput 52:933-43. 2014
    ....
  21. doi request reprint Volumetric and angiogenic evaluation of antitumor effects with acoustic liposome and high-frequency ultrasound
    Tetsuya Kodama
    Graduate School of Biomedical Engineering, Tohoku University, Sendai, Miyagi, Japan
    Cancer Res 71:6957-64. 2011
    ....