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Research Output 1998 2019

  • 399 Citations
  • 10 h-Index
  • 68 Article
  • 25 Conference contribution
  • 1 Chapter
  • 1 Conference article
2019
Chimneys
Stents
Aortic Aneurysm
Renal Artery
Channel flow

In vitro flow and optical coherence tomography comparison of two bailout techniques after failed provisional stenting for bifurcation percutaneous coronary interventions

Adjedj, J., Picard, F., Mogi, S., Iwasaki, K., Aoumeur, H., Alansari, O., Agudze, E., Wijns, W. & Varenne, O., 2019 Jan 1, In : Catheterization and Cardiovascular Interventions. 93, 1, p. E8-E16

Research output: Contribution to journalArticle

Optical Coherence Tomography
Percutaneous Coronary Intervention
Stents
Rheology
Coronary Stenosis

One-point advice: Experimental comparison between the reimplantation method and remodeling method

Sasaki, K. & Iwasaki, K., 2019 Jan 25, Aortic Valve Preservation: Concepts and Approaches. Springer Singapore, p. 123-126 4 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Sophisticated hydrodynamic simulation of pulmonary circulation for the preclinical examination of right heart circulatory assist device

Tsuboko, Y., Shiraishi, Y., Yamada, A., Iwasaki, K., Umezu, M. & Yambe, T., 2019 Jan 1, In : IFMBE Proceedings. 68, 3, p. 717-720 4 p.

Research output: Contribution to journalConference article

Hydrodynamics
Heart valve prostheses
Polyesters
Catheters
Hemodynamics
Pulsatile Flow
Dilatation
Hemodynamics
Tomography
Patient Simulation
2018
2 Citations (Scopus)

A proctoring system to manage the learning curve associated with the introduction of transcatheter aortic valve implantation in Japan

On behalf of the OCEAN-TAVI Registry, 2018 Jun 1, In : Heart and Vessels. 33, 6, p. 630-639 10 p.

Research output: Contribution to journalArticle

Learning Curve
Japan
Transcatheter Aortic Valve Replacement
Social Adjustment
Propensity Score
4 Citations (Scopus)

Bench testing and coronary artery bifurcations: A consensus document from the European Bifurcation Club

Ormiston, J. A., Kassab, G., Finet, G., Chatzizisis, Y. S., Foin, N., Mickley, T. J., Chiastra, C., Murasato, Y., Hikichi, Y., Wentzel, J. J., Darremont, O., Iwasaki, K., Lefèvre, T., Louvard, Y., Beier, S., Hojeibane, H., Netravali, A., Wooton, J., Cowan, B., Webster, M. W. & 2 others, Medrano-Gracia, P. & Stankovic, G., 2018 Feb 1, In : EuroIntervention. 13, 15, p. e1794-e1803

Research output: Contribution to journalArticle

Coronary Vessels
Guidelines
United States Food and Drug Administration
Terminology
Stents
Off-Label Use
Iliac Vein
Stents
Labels
Equipment and Supplies
1 Citation (Scopus)

Long-Term Durability Test for the Left Ventricular Assist System EVAHEART under the Physiologic Pulsatile Load

Kitano, T. & Iwasaki, K., 2018 Jan 1, (Accepted/In press) In : ASAIO Journal. p. 168-174 7 p.

Research output: Contribution to journalArticle

Seals
Durability
Blood
Bearings (structural)
Wear of materials

Low-temperature culturing improves survival rate of tissue-engineered cardiac cell sheets

Sakaguchi, K., Hinata, Y., Kagawa, Y., Iwasaki, K., Tsuneda, S., Shimizu, T. & Umezu, M., 2018 Jul 1, In : Biochemistry and Biophysics Reports. 14, p. 89-97 9 p.

Research output: Contribution to journalArticle

Tissue
Temperature
Metabolism
Nutrients
Nude Rats
5 Citations (Scopus)

Quantitative assessment of paravalvular leakage after transcatheter aortic valve replacement using a patient-specific pulsatile flow model

Tanaka, Y., Saito, S., Sasuga, S., Takahashi, A., Aoyama, Y., Obama, K., Umezu, M. & Iwasaki, K., 2018 May 1, In : International Journal of Cardiology. 258, p. 313-320 8 p.

Research output: Contribution to journalArticle

Pulsatile Flow
Closing Volume
Aortic Valve Insufficiency
Aortic Valve
Arterial Pressure

Three-Dimensional Strain Measurements of a Tubular Elastic Model Using Tomographic Particle Image Velocimetry

Takahashi, A., Zhu, X., Aoyama, Y., Umezu, M. & Iwasaki, K., 2018 Sep 15, In : Cardiovascular Engineering and Technology. 9, 3, p. 395-404 10 p.

Research output: Contribution to journalArticle

Rheology
Strain measurement
Finite Element Analysis
Velocity measurement
Finite element method
2017
1 Citation (Scopus)

A three-dimensional strain measurement method in elastic transparent materials using tomographic particle image velocimetry

Takahashi, A., Suzuki, S., Aoyama, Y., Umezu, M. & Iwasaki, K., 2017 Sep 1, In : PLoS One. 12, 9, e0184782.

Research output: Contribution to journalArticle

Rheology
Strain measurement
Velocity measurement
Silicones
Blood Vessels
3 Citations (Scopus)

Investigation of the influence of fluid dynamics on thrombus growth at the interface between a connector and tube

Matsuhashi, Y., Sameshima, K., Yamamoto, Y., Umezu, M. & Iwasaki, K., 2017 Jul 28, (Accepted/In press) In : Journal of Artificial Organs. p. 1-10 10 p.

Research output: Contribution to journalArticle

Pulsatile flow
Optical tomography
Hydrodynamics
Fluid dynamics
Thrombosis
1 Citation (Scopus)

Prolonged inflation technique using a scoring balloon for severe calcified lesion: Creep phenomenon

Otsuka, Y., Koyama, T., Imoto, Y., Katsuki, Y., Kawahara, M., Nakamura, K., Kodama, S., Noguchi, H. & Iwasaki, K., 2017 Jan 1, In : International Heart Journal. 58, 6, p. 982-987 6 p.

Research output: Contribution to journalArticle

Economic Inflation
Stents
Coronary Atherectomy
Drug-Eluting Stents
Percutaneous Coronary Intervention
2 Citations (Scopus)
medical equipment
Optical tomography
tomography
Optical Coherence Tomography
Hemodynamics
5 Citations (Scopus)
Stents
Coronary Vessels
Economic Inflation
Arteries
Pathologic Constriction
2016
Hemodialyzers
Artificial Kidneys
Japan
Clinical Trials
Safety
1 Citation (Scopus)

Regulatory science of new technology: tendency of medical professionals’ interests on silicone breast implants

Nakazaki, T., Ikeda, K., Iwasaki, K. & Umezu, M., 2016 Feb 26, (Accepted/In press) In : Journal of Artificial Organs. p. 1-6 6 p.

Research output: Contribution to journalArticle

Breast Implants
Silicones
Technology
Social Distance
History
3 Citations (Scopus)
capsule endoscopy
Capsule Endoscopy
Endoscopy
Time series analysis
meta-analysis
2015
35 Citations (Scopus)

Biomechanical Modeling to Improve Coronary Artery Bifurcation Stenting: Expert Review Document on Techniques and Clinical Implementation

Antoniadis, A. P., Mortier, P., Kassab, G., Dubini, G., Foin, N., Murasato, Y., Giannopoulos, A. A., Tu, S., Iwasaki, K., Hikichi, Y., Migliavacca, F., Chiastra, C., Wentzel, J. J., Gijsen, F., Reiber, J. H. C., Barlis, P., Serruys, P. W., Bhatt, D. L., Stankovic, G., Edelman, E. R. & 3 others, Giannoglou, G. D., Louvard, Y. & Chatzizisis, Y. S., 2015 Aug 24, In : JACC: Cardiovascular Interventions. 8, 10, p. 1281-1296 16 p., 2103.

Research output: Contribution to journalArticle

Stents
Coronary Vessels
Percutaneous Coronary Intervention
Thrombosis
Therapeutics
6 Citations (Scopus)

Lessons from the real bench: Non-BRS

Ormiston, J., Darremont, O., Iwasaki, K., Murasato, Y., Hikichi, Y., Webber, B. & Webster, M., 2015 May 1, In : EuroIntervention. 11, p. V27-V30

Research output: Contribution to journalArticle

Stents
Dilatation
Electron Scanning Microscopy
Polymers
Catheters
18 Citations (Scopus)

The effect of tendon stem/progenitor cell (TSC) sheet on the early tendon healing in a rat Achilles tendon injury model

Komatsu, I., Wang, J. H. C., Iwasaki, K., Shimizu, T. & Okano, T., 2015 Dec 8, (Accepted/In press) In : Acta Biomaterialia.

Research output: Contribution to journalArticle

Tendon Injuries
Achilles Tendon
Tendons
Stem cells
Rats
2014
1 Citation (Scopus)

Investigation of mechanical load on proximal left anterior descending of coronary artery

Yamamoto, T., Iwasaki, K., Arai, J., Ohori, K. & Umezu, M., 2014, IFMBE Proceedings. Springer Verlag, Vol. 43. p. 805-808 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dynamic loads
Microscopes
14 Citations (Scopus)

Optimal kissing balloon inflation after single-stent deployment in a coronary bifurcation model

Murasato, Y., Iwasaki, K., Yamamoto, T., Yagi, T., Hikichi, Y., Suematsu, Y. & Yamamoto, T., 2014 Dec 1, In : EuroIntervention. 10, 8, p. 934-941 8 p.

Research output: Contribution to journalArticle

Economic Inflation
Stents
Dilatation
Guidelines

Projects to accelerate the practical use of innovative medical devices to collaborate with TWIns, Center for Advanced Biomedical Sciences, Waseda University and School of Engineering, The University of Tokyo

Niimi, S., Umezu, M., Iseki, H., Iwasaki, K., Kasanuki, H., Harada, N., Mitsuishi, M., Kitamori, T., Tei, Y., Nakaoka, R. & Haishima, Y., 2014, In : Bulletin of National Institute of Health Sciences. 132, p. 16-18 3 p.

Research output: Contribution to journalArticle

Tokyo
Equipment and Supplies
Medicine
Research
1 Citation (Scopus)
Anticoagulants
Blood
Polyvinyl Chloride
Polyvinyl chlorides
Syringes
2013

Clinical results of three-time-balloon-inflation method performed in elective PCI cases

Yamamoto, T., Iwasaki, K., Arai, J., Kitahara, S. & Umezu, M., 2013, In : Transactions of Japanese Society for Medical and Biological Engineering. 51, 6, p. 350-356 7 p.

Research output: Contribution to journalArticle

Stents
Balloons
Ultrasonics
Patents and inventions
1 Citation (Scopus)

Combined analysis of pathology and hemodynamics of human unruptured cerebral aneurysm with thin-walled region

Tobe, Y., Yagi, T., Iwabuchi, Y., Yamanashi, M., Takamura, K., Iwasaki, K., Umezu, M., Hayashi, Y., Yoshida, H., Nakajima, A., Nishitani, K., Okada, Y., Sugawara, M., Hiraguchi, S., Kubo, T. & Kitahara, S., 2013, ASME 2013 Summer Bioengineering Conference, SBC 2013. Vol. 1 A.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hemodynamics
Intracranial Aneurysm
Pathology
3 Citations (Scopus)

Numerical analysis of blood flow distribution in 4- and 3-branch vascular grafts

Konoura, C., Yagi, T., Nakamura, M., Iwasaki, K., Qian, Y., Okuda, S., Yoshitake, A., Shimizu, H., Yozu, R. & Umezu, M., 2013 Jun, In : Journal of Artificial Organs. 16, 2, p. 157-163 7 p.

Research output: Contribution to journalArticle

Grafts
Blood Vessels
Numerical analysis
Blood
Transplants
2 Citations (Scopus)

Preliminary study on the development of a system dynamics model: The case of EVAHEART

Kato, T., Umezu, M., Iwasaki, K., Kasanuki, H. & Takahashi, Y., 2013 Jun, In : Journal of Artificial Organs. 16, 2, p. 242-247 6 p.

Research output: Contribution to journalArticle

Dynamic models
Dynamical systems
Equipment and Supplies
Industry
Heart-Assist Devices
2012
2 Citations (Scopus)

Assessment of a novel stentless mitral valve using a pulsatile mitral valve simulator

Kasegawa, H., Iwasaki, K., Kusunose, S., Tatusta, R., Doi, T., Yasuda, H. & Umezu, M., 2012 Jan, In : Journal of Heart Valve Disease. 21, 1, p. 71-75 5 p.

Research output: Contribution to journalArticle

Mitral Valve
Pericardium
Hydrodynamics
Heart-Assist Devices
Atrial Pressure

Investigation on a relationship between hemodynamics and wall-thinning in an unruptured human cerebral aneurysm

Tobe, Y., Yagi, T., Takahashi, S., Iwabuchi, Y., Yamanashi, M., Iwasaki, K., Umezu, M., Hayashi, Y., Yoshida, H., Nishitani, K., Okada, Y., Sugawara, M., Hiraguchi, S., Kubo, T. & Kitahara, S., 2012, ASME 2012 Summer Bioengineering Conference, SBC 2012. p. 853-854 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hemodynamics
4 Citations (Scopus)

Journal of Artificial Organs 2011: The year in review

Sawa, Y., Tatsumi, E., Funakubo, A., Horiuchi, T., Iwasaki, K., Kishida, A., Masuzawa, T., Matsuda, K., Myoui, A., Nishimura, M., Nishimura, T., Tokunaga, S., Tomizawa, Y., Tomo, T., Tsukiya, T. & Yamaoka, T., 2012, In : Journal of Artificial Organs. 15, 1, p. 11-19 9 p.

Research output: Contribution to journalArticle

Artificial organs
11 Citations (Scopus)

Tensile strength of human pericardium treated with glutaraldehyde

Yamashita, H., Ozaki, S., Iwasaki, K., Kawase, I., Nozawa, Y. & Umezu, M., 2012, In : Annals of Thoracic and Cardiovascular Surgery. 18, 5, p. 434-437 4 p.

Research output: Contribution to journalArticle

Tensile Strength
Pericardium
Glutaral
Aortic Valve
Elasticity
2011
8 Citations (Scopus)

Journal of Artificial Organs 2010: The year in review

Sawa, Y., Tatsumi, E., Funakubo, A., Horiuchi, T., Iwasaki, K., Kishida, A., Masuzawa, T., Matsuda, K., Myoui, A., Nishimura, M., Nishimura, T., Tokunaga, S., Tomizawa, Y., Tomo, T., Tsukiya, T. & Yamaoka, T., 2011 Mar, In : Journal of Artificial Organs. 14, 1, p. 1-8 8 p.

Research output: Contribution to journalArticle

Artificial organs
Tissue engineering
2010
11 Citations (Scopus)

Comparing accuracy of cerebral aneurysm size measurements from three routine investigations: Computed tomography, magnetic resonance imaging, and digital subtraction angiography

Takao, H., Murayama, Y., Ishibashi, T., Saguchi, T., Ebara, M., Arakawa, H., Irie, K., Iwasaki, K., Umezu, M. & Abe, T., 2010, In : Neurologia Medico-Chirurgica. 50, 10, p. 893-899 7 p.

Research output: Contribution to journalArticle

Digital Subtraction Angiography
Intracranial Aneurysm
Aneurysm
Tomography
Magnetic Resonance Imaging

Experimental investigation to ensure a safety of the exchange of extracorporeal-type ventricular assist devices in long-term-use patients

Tanaka, T., Kume, R., Kusunose, S., Tatsuta, R., Igarashi, T., Ito, K., Iwasaki, K. & Umezu, M., 2010, IFMBE Proceedings. Vol. 31 IFMBE. p. 378-381 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Stainless Steel
Cables
Stainless steel
Heating
Water
7 Citations (Scopus)

Journal of artificial organs 2009: The year in review

Sawa, Y., Tatsumi, E., Funakubo, A., Horiuchi, T., Iwasaki, K., Kishida, A., Masuzawa, T., Matsuda, K., Myoui, A., Nishimura, M., Nishimura, T., Tomizawa, Y., Tomo, T., Yamaoka, T. & Watanabe, H., 2010 Apr, In : Journal of Artificial Organs. 13, 1, p. 1-9 9 p.

Research output: Contribution to journalArticle

Artificial organs
Animals
11 Citations (Scopus)

Recent perspective on coronary bifurcation intervention: Statement of the "bifurcation club in KOKURA"

Murasato, Y., Hikichi, Y., Nakamura, S., Kajiya, F., Iwasaki, K., Kinoshita, Y., Yamawaki, M., Shinke, T., Yamada, S., Yamashita, T., Choo, G. H., Nam, C. W., Kim, Y. H., Jepson, N. & Ferenc, M., 2010 Aug, In : Journal of Interventional Cardiology. 23, 4, p. 295-304 10 p.

Research output: Contribution to journalArticle

Stents
Thrombosis
Metals
Drug-Eluting Stents
Anatomy

Silicone vascular models for analysis of carotid artery stenting

Okamoto, Y., Inukai, H., Kobashi, H., Yamaga, H., Yagi, T., Iwasaki, K., Shiurba, R. & Umezu, M., 2010, IFMBE Proceedings. Vol. 31 IFMBE. p. 398-401 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Silicones
Stents
Mechanical properties
Silicone Elastomers
Geometry
2009
1 Citation (Scopus)

Biomedical Engineering Analysis of the Rupture Risk of Cerebral Aneurysms: Flow Comparison of Three Small Pre-ruptured Versus Six Large Unruptured Cases

Kamoda, A., Yagi, T., Sato, A., Qian, Y., Iwasaki, K., Umezu, M., Akutsu, T., Takao, H. & Murayama, Y., 2009, IFMBE Proceedings. Vol. 23. p. 1600-1603 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Biomedical engineering
Siphons
Angiography
Hemodynamics
Rapid prototyping
2 Citations (Scopus)

Calibration system for pulse spectrophotometry using a double-layer pulsation flow-cell

Oura, M., Kobayashi, N., Yamamori, S., Takeda, S., Iwasaki, K. & Umezu, M., 2009, Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009. p. 896-899 4 p. 5334889

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Spectrophotometry
Calibration
Density (optical)
Hemoglobin
Hemoglobins
Spectrophotometry
Calibration
Density (optical)
Hemoglobin
Hemoglobins

Development of Evaluation Test Method for the Possibility of Central Venous Catheter Perforation Caused by the Insertion Angle of a Guidewire and a Dilator

Uematsu, M., Arita, M., Iwasaki, K., Tanaka, T., Ohta, T., Umezu, M. & Tsuchiya, T., 2009, IFMBE Proceedings. Vol. 23. p. 1183-1186 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Catheters
Blood vessels
Tissue

Fabrication of Three-Dimensional Tissues with Perfused Microchannels

Sakaguchi, K., Shimizu, T., Iwasaki, K., Yamato, M., Umezu, M. & Okano, T., 2009, IFMBE Proceedings. Vol. 23. p. 1213-1216 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microchannels
Tissue
Fabrication
Collagen
Endothelial cells
2 Citations (Scopus)

In-vitro Evaluation Method to Measure the Radial Force of Various Stents

Okamoto, Y., Tanaka, T., Kobashi, H., Iwasaki, K. & Umezu, M., 2009, IFMBE Proceedings. Vol. 23. p. 1053-1056 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Stents
Force measurement
Geometry
9 Citations (Scopus)

Journal of artificial organs 2008: The year in review

Sawa, Y., Tatsumi, E., Funakubo, A., Horiuchi, T., Iwasaki, K., Kishida, A., Masuzawa, T., Matsuda, K., Nishimura, M., Nishimura, T., Tomizawa, Y., Yamaoka, T. & Watanabe, H., 2009 Mar, In : Journal of Artificial Organs. 12, 1, p. 1-7 7 p.

Research output: Contribution to journalArticle

Blood vessel prostheses
Artificial Skin
Artificial organs
Pacemakers
Dialysis
1 Citation (Scopus)

Microscale Visualization of Erythrocyte Deformation by Colliding with a Rigid Surface Using a High-Speed Impinging Jet

Wakasa, S., Yagi, T., Akimoto, Y., Tokunaga, N., Iwasaki, K. & Umezu, M., 2009, IFMBE Proceedings. Vol. 23. p. 1422-1425 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Visualization
Membranes
Buckling
Siloxanes
Hemoglobin