論文

国際論文

2023年 Xuetong Xu, Kaoru Hattori, Ryusuke Ai, K. Iwasaki, In-vitro analysis of neo-sinus flow dynamics after transcatheter aortic valve replacement using particle image velocimetry technique,Journal of Biorheology, https://doi.org/10.17106/jbr.37.162, 2023
Hayato Morimura, Yusei Okamoto, Jumpei Takada, Minoru Tabata, K. Iwasaki, Repairable ex vivo model of functional and degenerative mitral regurgitation, European Journal of Cardio-Thoracic Surgery, https://doi.org/10.1093/ejcts/ezad371, 2023
J. Takada, K. Hamada, X. Zhu, Y. Tsuboko, K. Iwasaki, Biaxial tensile testing system for measuring mechanical properties of both sides of biological tissues, Journal of the Mechanical Behavior of Biomedical Materials, https://doi.org/10.1016/j.jmbbm.2023.106028, 2023
J. Itoh, M. Itou, U. Kuwashima, S. Imai, K. Okazaki, K. Iwasaki, Favorable clinical outcomes of simultaneous ACL reconstruction and UKA or HTO: A systematic surveillance, Journal of Joint Surgery and Research, https://doi.org/10.1016/j.jjoisr.2023.09.001, 2023
T. Okamura, K. Iwasaki, H. Lu, X. Zhu, T. Fujimura, N. Kitaba, K. Murakami, R. Nakamura, H. Mitsui, Y. Tsuboko, Y. Miyazaki, T. Matsuyama, Importance of optimal rewiring guided by 3-dimensional optical frequency domain imaging during double-kissing culotte stenting demonstrated through a novel bench model, Scientific Reports, https://doi.org/10.1038/s41598-023-40606-7, 2023
M. Itoh, J. Itou, K. Okazaki, K. Iwasaki, Estimation Failure Risk by 0.5-mm Differences in Autologous Hamstring Graft Diameter in Anterior Cruciate Ligament Reconstruction: A Meta-analysis, The American Journal of Sports Medicine, https://doi.org/10.1177/03635465221150654, 2023
M. Itoh, J. Itou, S. Imai, K. Okazaki, K. Iwasaki, A survey on the usage of decellularized tissues in orthopaedic clinical trials, Bone & Joint Research, https://doi.org/10.1302/2046-3758.123.BJR-2022-0383.R1, 2023
M. Yuba, K. Iwasaki, Performance evaluation methods for improvements at post-market of artificial intelligence/machine learning-based computer-aided detection/diagnosis/triage in the United States, PLOS Digital Health, https://doi.org/10.1371/journal.pdig.0000209, 2023
2022年 M. Seki, T. Kunihara, J. Takada, K. Sasaki, R. Kumazawa, H. Seki, S. Sasuga, H. Fukuda, M. Umezu, K. Iwasaki, Comparison of hemodynamics and root configurations between remodeling and reimplantation methods for valve-sparing aortic root replacement: a pulsatile flow study, Surgery Today 2022, https://doi.org/10.1007/s00595-022-02622-4, 2022
M. Yuba,K. Iwasaki, Systematic analysis of the test design and performance of AI/ML-based medical devices approved for triage/detection/diagnosis in the USA and Japan, Scientific Reports, https://doi.org/10.1038/s41598-022-21426-7, 2022
M. Ono,K. Iwasaki, Comprehensive Analysis of Clinical Studies and Regulations of Therapeutic Applications in the United States and Japan, Therapeutic Innovation & Regulatory Science, https://doi.org/10.1007/s43441-022-00442-9, 2022
H. Yamaga, Y. Tsuboko, T. Terada, K. Iwasaki, Comprehensive Risk Analysis of the Wingspan Stent in Relation to Target Vessels, Jounal of Neuroendovascular Therapy, oa.2021-0099, https://www.jstage.jst.go.jp/article/jnet/advpub/0/advpub_oa.2021-0099/_article/-char/ja/, 2022
K. Shukuzawa, T. Fujii, M. Sumi, J. Kozaki, M. Umezu, T. Ohki,K. Iwasaki, Gap distribution mapping to visualize regions associated with type I endoleak in a fenestrated thoracic stent graft, European Journal of Cardio-Thoracic Surgery, ezac361, https://academic.oup.com/ejcts/advance-article/doi/10.1093/ejcts/ezac361/6649731, 2022
M. Ono, O. Yamaguchi, T. Ohtani, K. Kinugawa, Y. Saiki, Y. Sawa, A. Shiose, H. Tsutsui, N. Fukushima, G. Matsumiya, M. Yanase, K. Yamazaki, K. Yamamoto, M. Akiyama, T. Imamura, K. Iwasaki, M. Endo, Y. Ohnishi, T. Okumura, K. Kashiwa, O. Kinoshita, K. Kubota, O. Seguchi, K. Toda, H. Nishioka, T. Nishinaka, T. Nishimura, T. Hashimoto, M. Hatano, H. Higashi, T. Higo, T. Fujino, Y. Hori, T. Miyoshi, M. Yamanaka, T. Ohno, T. Kimura, S. Kyo, Y. Sakata, T. Nakatani, on behalf of the JCS/JSCVS/JATS/JSVS Joint Working Group, JCS/JSCVS/JATS/JSVS 2021 Guideline on Implantable Left Ventricular Assist Device for Patients With Advanced Heart Failure, Circulation Journal 86(6), 1024-1058, https://doi.org/10.1253/circj.CJ-21-0880, 2022
M. Itoh, H. Imasu, K. Takano, M. Umezu, K. Okazaki, K. Iwasaki, Time-series biological responses toward decellularized bovine tendon graft and autograft for 52 consecutive weeks after rat anterior cruciate ligament reconstruction, Scientific Reports 12, 6751, https://doi.org/10.1038/s41598-022-10713-y, 2022
K. Nakao, M. Umezu, K. Iwasaki, Biodesign program introduction in Japan: promotion of entrepreneurship and viewpoints of education on medical technology innovation, Journal of Artificial Organs, https://doi.org/10.1007/s10047-022-01317-4, 2022
Y. Tobe, J. Homma, K. Sakaguchi, H. Sekine, K. Iwasaki, T. Shimizu, Perfusable vascular tree like construction in 3D cell-dense tissues using artificial vascular bed, Microvascular Research 141, 104321, https://doi.org/10.1016/j.mvr.2022.104321, 2022
K. Takeda, Y. Tsuboko, K. Iwasaki*, Latest outcomes of transcatheter left atrial appendage closure devices and direct oral anticoagulant therapy in patients with atrial fibrillation over the past five years: A systematic review and meta-analysis, Cardiovascular Intervention and Therapeutics, doi: 10.1007/s12928-022-00839-1 , 2022
T. Hayashi, M. Murakami, S. Saito, K. Iwasaki*, Characteristics of anatomical difficulty for cryoballoon ablation: insights from CT, Open Heart 9:e001724, http://dx.doi.org/10.1136/openhrt-2021-001724, 2022
2021年 Y. Kinoshita, K. Iwasaki, T. Suzuki, Verification of the differences of scoring effect in current scoring balloons, Cardiovascular Intervention and Therapeutics, https://doi.org/10.1007/s12928-021-00807-1, 2021
M. Nakayama, N. Tanaka, T. Uchiyama, T. Ohkawauchi, Y. Tsuboko, K. Iwasaki, Y. Kawase, H. Matsuo, Stability of Flow Velocity and Intracoronary Resistance in the Intracoronary Electrocardiogram-triggered Pressure Ratio, Scientific Reports 11: 13824, https://doi.org/10.1038/s41598-021-93181-0, 2021
X. Zhu, M. Umezu, K. Iwasaki, Finite element analysis of cutting balloon expansion in a calcified artery model of circular angle 180°: Effects of balloon-to-diameter ratio and number of blades facing calcification on potential calcification fracturing and perforation reduction, PLOS ONE 16(5): e0251404, doi: 10.1371/journal.pone.0251404, 2021
S. Arimura, J. Takada, G. Nishimura, N. Nakama, E. Kawasaki, M. Matsuhama, K. Iwasaki, H. Kasegawa, T. Kunihara, The efficacy of sinus plication in aortic valvuloplasty for bicuspid aortic valve: experiments in a pulsatile flow simulation model, European Journal of Cardio-Thoracic Surgery 00(2021)1-6, doi:10.1093/ejcts/ezab115, 2021
K. Hattori, N. Nakama, J. Takada, G. Nishimura, R. Moriwaki, E. Kawasaki, M. Nagao, Y. Goto, H. Niinami, K. Iwasaki, Bicuspid aortic valve morphology and aortic valvular outflow jets: An experimental analysis using an MRI-compatible pulsatile flow circulation system, Scientific Reports 11:2066, doi: 10.1038/s41598-021-81845-w, 2021
E.K. Matsuoka, T. Hasebe, R. Ishii, N. Miyazaki, K. Soejima, K. Iwasaki, Comparative performance analysis of interventional devices for the treatment of ischemic disease in below-the-knee lesions: a systematic review and meta-analysis, Cardiovascular Intervention and Therapeutics, doi: 10.1007/s12928-021-00758-7, 2021
X. Zhu, M. Umezu, K. Iwasaki*, Finite element analysis of the cutting balloon with an adequate balloon-to-artery ratio for fracturing calcification while preventing perforation, Circulation Reports 3(1):1-8, doi: 10.1253/circrep. CR-20-0070, 2021
2020年 K. Sasaki, T. Kunihara, H. Kasegawa, M. Seki, H. Seki, J. Takada, S. Sasuga, R. Kumasawa, M. Umezu, K. Iwasaki, Aortic root geometry following valve-sparing root replacement with reimplantation or remodeling: Experimental investigation under static continuous pressure, J Artif Organs, doi: 10.1007/s10047-020-01242-4, 2020
S. Takahashi, K. Iwasaki*, H. Shirato, M. Ho, M. Umezu, Comparison of supportive regulatory measures for pediatric medical device development in Japan and the United States, Journal of Artificial Organs 24:90-101, doi: 10.1007/s10047-020-01216-6, 2020
M. Nakayama, T. Uchiyama, N. Tanaka, T. Ohkawauchi, S. Miwa, N. Hijikata, Y. Kobori, H. Matsuo, K. Iwasaki, Diagnostic performance and pressure stability of a novel myocardial ischemic diagnostic index - the intracoronary-electrocardiogram-triggered distal pressure/aortic pressure ratio -, Circulation Reports 2(11):665-673, doi:10.1253/circrep.CR-20-0099, 2020
K. Sakaguchi, H. Takahashi, Y. Tobe, D. Sasaki, K. Matsuura, K. Iwasaki, T. Shimizu, M. Umezu, Measuring the contractile force of multilayered human cardiac cell sheets, Tissue Engineering Part C: Methods 26(9):485-492, doi: 10.1089/ten.tec.2020.0164, 2020
Y. Murasato, M. Nishihara, T. Mori, K. Meno, K. Shibao, K. Takenaka, K. Iwasaki, Feasibility and efficacy of the ultrashort side branch dedicated balloon in coronary bifurcation stenting, EuroIntervention, doi: 10.4244/EIJ-D-20-00334, 2020
M. Nakayama, T. Uchiyama, N. Hijikata, Y. Kobori, N. Tanaka, K. Iwasaki, Effect of QTU prolongation on hyperemic instantaneous wave-free ratio value: a prospective single-center study, Heart Vessels 35:909-917, https://doi.org/10.1007/s00380-020-01562-8, 2020
M. Nakayama, N. Tanaka, J. Yamashita, K. Iwasaki, Confirmation of maximal hyperemia by the incremental dose of intracoronary papaverine, Cardiovascular Intervention and Therapeutics 35(4):371-378, doi: 10.1007/s12928-020-00641-x, 2020
2019年 C. Iwaishi, K. Iwasaki, A comprehensive analysis of postmarket surveillance study orders: device characteristics, study statuses, outcomes, and potential contributions, Therapeutic Innovation & Regulatory Science 54:953-963, https://doi.org/10.1007/s43441-020-00128-0, 2019
M. Nakayama, K. Iwasaki, M. Yuhara, T. Morishima, Y. Kobori, T. Uchiyama, Intracoronary Electrocardiogram -Identification of the culprit artery in asymptomatic myocardial infarction-, Circulation Reports 1(8):352-353, doi:10.1253/circrep. CR-19-0036, 2019
K. Shukuzawa, T. Akaoka, M. Umezu, T. Ohki, K. Iwasaki, Deployment of stent graft in an excessively higher position above the renal artery induces a flow channel to the aneurysm in chimney endovascular aortic aneurysm repair: an in vitro study, Journal of Artificial Organs 22:200-206, https://doi.org/10.1007/s10047-019-01090-x, 2019
2018年 M. Yamawaki, K. Obama, S. Sasuga, A. Takahashi, Y. Ito, M. Umezu, K. Iwasaki, Underfilled balloon-expandable transcatheter aortic valve implantation with ad hoc post-dilation –pulsatile flow simulation using a patient-specific three dimensional printing model-, Circulation Journal, doi: 10.1253/circj.CJ-18-0582, 2018
J. Adjedj, F. Picard, S. Mogi, K. Iwasaki, H. Aoumeur, O. Alansari, E. Agudze, W. Wijns, O. Varenne, In vitro flow and optical coherence tomography comparison of two bailout techniques after failed provisional stenting for bifurcation percutaneous coronary interventions, Catheter Cardiovasc Interv., doi:10.1002/ccd.27718, 2018
K. Sakaguchi, Y. Hinata, Y. Kagawa, K. Iwasaki, S. Tsuneda, T. Shimizu, M. Umezu, Low-temperature culturing improve survival rate of tissue-engineered cardiac cell sheets, B B Report 14, 89-97, 2018
A. Takahashi, X. Zhu, Y. Aoyama, M. Umezu, K. Iwasaki*, Three-dimensional strain measurements of a tubular elastic model using tomographic particle image velocimetry, Cardiovasc Eng Tech, https://doi.org/10.1007/s13239-018-0350-5, 2018
Y. Tanaka, S. Saito, S. Sasuga, A. Takahashi, Y. Aoyama, K. Obama, M. Umezu, K. Iwasaki*, Quantitative assessment of paravalvular leakage after transcatheter aortic valve replacement using a patient-specific pulsatile flow model, Int J Cardiol 258, 313–320, 2018
T. Shida, M. Umezu, K. Iwasaki*, Investigation of adverse events associated with an off-label use of arterial stents and CE-Marked iliac vein stents in the iliac vein: Insights into developing a better iliac vein stent, J Artif Organs, DOI:10.1007/s10047-018-1023-8, 2018
2017年 M. Yamawaki, K. Iwasaki, M. Araki, T. Ito, Y. Ito, N. Tada, K. Takagi, F. Yamanaka, Y. Watanabe, M. Yamamoto, S. Shirai, K. Hayashida, A proctoring system to manage the learning curve associated with the introduction of transcatheter aortic valve implantation in Japan, Heart and Vessel, https://doi.org/10.1007/s00380-017-1098-9, 2017
Y. Matsuhashi, K. Sameshima, Y. Yamamoto, M. Umezu, K. Iwasaki*, Real-time visualization of thrombus formation at the interface between connectors and tubes in medical devices by using optical coherence tomography, PLoS ONE 12(12), e0188729 https://doi.org/10.1371/journal.pone.0188729, 201
J. Ormiston, G. Kassab, G. Finet, Y.S. Chatzizisis, N. Foin, T.J. Mickley, C. Chiastra, Y. Murasato, Y. Hikichi, J.J. Wentzel, O. Darremont, K. Iwasaki, T. Lefevre, Y. ouvard, S. Beier, H. Hojeibane, J. Wooton, A. Netravali, B. Cowan, M.W. Webster, G. Stankovic, Bench testing and coronary artery bifurcations: A consensus document from the European Bifurcation Club, EuroIntervention, DOI:10.4244 /EIJ-D-17-00270, 2017
A. Takahashi, S. Suzuki, Y. Aoyama, M. Umezu, K. Iwasaki*, A three-dimensional strain measurement method in elastic transparent materials using tomographic particle image velocimetry, PLoS ONE 12(9), e0184782 doi: 10.1371/journal.pone.0184782, 2017
T. Kitano, K. Iwasaki, Long-term durability test for the left ventricular assist system EVAHEART under the physiologic pulsatile load, ASAIO J 64(2), 168-174, 2018
Y. Matsuhashi, K. Sameshima, Y. Yamamoto, M. Umezu, K. Iwasaki*, Investigation of the fluid dynamics influence on a thrombus-growth at the interface between a connector and a tube, J Artif Organs 20(4), 239-302, 2017
Y. Otsuka, Y. Imoto, Y. Katsuki M. Kawahara K. Nakamura S. Kodama, H. Noguchi, K. Iwasaki, Prolonged inflation technique using a scoring balloon for severe calcified lesion –creep phenomenon –, Int Heart J 6, 982-987, 2017
M. Saito, K. Iwasaki*, Analysis of the safety evaluation for premarketing clinical trials of hemodialyzer and of postmarketing safety reports of hemodialyzer in Japan and the US: insights into the construction of a sophisticated premarketing evaluation, J Artif Organs 20(1), 62-70, 2017
2016年 K. Iijima, M. Umezu, K. Iwasaki*, Time series analysis of the effectiveness and safety of capsule endoscopy between the premarketing and postmarketing settings: A meta-analysis, PLoS ONE 11(6), e0153662 doi:10.1371/journal.pone.0153662, 2016
I. Komatsu, J. H-C. Wang, K. Iwasaki, T. Shimizu, T. Okano, The effect of tendon stem/progenitor cell(TSC) sheet on the early tendon healing in a rat Achilles tendon injury model, Acta Biomaterilia, 42, 136-146, 2016
Y. Hikichi, M. Umezu, K. Node, K. Iwasaki*, Reduction in incomplete stent apposition area caused by jailed struts after single stenting at left main bifurcation lesions: micro-CT analysis using a three-dimensional elastic bifurcated coronary artery model, Cardiovasc Interv and Ther, 2017; 32(1): 12–17. Published online 2016 Mar 11. doi: 10.1007/s12928-016-0380-6
T. Nakazaki, K. Ikeda, K. Iwasaki, M. Umezu, Regulatory science of new technology: tendency of medical professional’s interests on silicone breast implants, J Artif Organs 19, 283–288, 2016
2015年 A.P. Antoniadis, P. Mortier, G. Kassab, G. Dubini, N. Foin, Y. Murasato, A.A. Giannopoulos, S. Tu, K. Iwasaki, Y. Hikichi, F. Migliavacca, C. Chiastra, J.J. Wentzel, F. Gijsen, J.H. Reiber, P. Barlis, P.W. Serruys, D.L. Bhatt, G. Stankovic, E.R. Edelman, G.D. Giannoglou, Y. Louvard, Y.S. Chatzizisis, Biomechanical modeling to improve coronary artery bifurcation stenting: Expert review document on techniques and clinical implementation, JACC: Cardiovasc Interv 8(10), 1281-1296, 2015
J. Ormiston, O. Darremont, K. Iwasaki, Y. Murasato, Y. Hikichi, B. Webber, M. Webster, Lessons from the real bench: Non-BRS, EuroIntervention 11 Suppl V:V27-30, doi: 10.4244/EIJV11SVA6, 2015
2014年 M. Nagai, K. Iwasaki*, M. Umezu, M. Ozaki, Simultaneous comparison of thrombogenic reactions to different combinations of anticoagulants, activated clotting times, and materials, J Biomed Mater Res B Appl Biomater 102(8), 1605-1612, 2014
Y. Murasato, K. Iwasaki, T. Yamamoto, T. Yagi, Y. Hikichi, Y. Suematsu, T. Yamamoto, Optimal kissing balloon inflation after single-stent deployment in a coronary bifurcation model, EuroIntervention 2014 10(8), 934-41, 2014
2013年 C. Konoura, T. Yagi, M. Nakamura, K. Iwasaki, Y. Qian, S. Okuda, A. Yoshitake, H. Shimizu, R. Yozu, M. Umezu, Numerical analysis of blood flow distribution in 4- and 3-branch vascular grafts, J Artif Organs 16(2), 157-163, 2013
T. Kato, M. Umezu, K. Iwasaki, H. Kasanuki, Y. Takahashi, Preliminary study on the development of a system dynamics model: the case of EVAHEART, J Artif Organs 16(2), 242-247, 2013
2012年 H. Yamashita, S. Ozaki, K. Iwasaki, I. Kawase, Y. Nozawa, M. Umezu, Tensile strength of human pericardium treated with glutaraldehyde, Ann Thorac Cardiovasc Surg 18(5), 434-437, 2012
2011年 A.C. Paz, K. Kojima, K. Iwasaki, J.D. Ross, M. Umezu, C.A. Vacanti, Tissue engineered trachea using decellularized aorta, J Bioengineer & Biomedical Sci S2:001, 2011
H. Kasegawa, K. Iwasaki, S. Kusunose, R. Tatsuta, T. Doi, H. Yasuda, M. Umezu, Assessment of a novel stentless mitral valve using a pulsatile mitral valve simulator, The J Heart Valve Dis 21(1), 71-75, 2011
2010年 H. Takao, Y. Murayama, T. Ishibashi, T. Saguchi, M. Ebara, H. Arakawa, K. Irie, K. Iwasaki, M. Umezu, T. Abe, Comparing accuracy of cerebral aneurysm size measurements from three routine investigations: computed tomography, magnetic resonance imaging, and digital subtraction angiography, Neurol Med Chir (Tokyo) 50(10), 893-899, 2010
Y. Murasato, Y. Hikichi, S. Nakamura, F. Kajiya, K. Iwasaki, Y. Kinoshita, M. Yamawaki, T. Shinke, T. Yamashita, Choo GH, Nam CW, Kim YH, Jepson N, Ferenc M, Recent perspective on coronary bifurcation intervention: statement of the “Bifurcation Club in KOKURA”, J Interv Cardiol 23(4), 295-304, 2010
2008年 K. Iwasaki, K. Kojima, S. Kodama, CA. Paz, M. Chambers, M. Umezu, CA. Vacanti, Bioengineered three-layered robust and elastic artery using hemodynamically-equivalent pulsatile bioreactor, Circulation 118, pp.S52-S57, 2008
2007年 M. Umezu, K. Yamazaki, S. Yamazaki, K. Iwasaki, T. Miyakoshi, T. Kitano, T. Tokono, Japanese-made implantable centrifugal type ventricular assist system (LVAS): EVAHEART, Biocybernetics and Biomedical Engineering 27(1-2), 111-119, 2007
K. Ito, T. Sudo, T. Shima, Y. Kouno, Y. Ohnishi, T. Tanaka, K. Iwasaki, T. Fujimoto, M.Umezu, Characteristics of spiral vortex pump driven by two different drivers, Biocybernetics and Biomedical Engineering 27(1-2), 121-132, 2007
2006年 T. Yagi, W. Yang, D. Ishikawa, K. Iwasaki, M. Umezu, Stereoscopic particle image velocimetry for application in three-dimensional flow within a spiral vortex pulsatile blood pump, Biocybernetics and Biomedical Engineering 26(2), 39-48, 2006
2004年 T. Fujimoto, D. Kawaguchi, Y. Shiraishi, K. Iwasaki, M. Arita, T. Tanaka, M. Umezu, Effect of the elastic conditions around a stentless valvular bioprosthesis on opening behavior, J Artif Organs 7(3), 133-136, 2004
2003年 K. Iwasaki*, M. Umezu, K. Iijima, A. Inoue, K. Imachi, CX. Ye, Development of a polymer bileaflet valve to realize a low-cost pulsatile blood pump, Artif Organs, 27(1), 78-83, 2003
Y. Abe, T. Chinzei, T. Isoyama, T. Ono, S. Mochizuki, I. Saito, K. Iwasaki, M. Ishimaru, A. Baba, A. Kouno, T. Ozeki, T. Tohyama, K. Imachi, Third model of the undulation pump total artificial heart, ASAIO J 49(1), 123-127, 2003
Y. Abe, T. Chinzei, T. Isoyama, S. Kobayashi, T. Ono, I. Saito, K. Iwasaki, M. Ishimaru, A. Baba, A. Kouno, T. Ozeki, T. Tohyama, K. Imachi, Advance in animal experiments with the undulation pump total artificial heart: 50 and 54 day survival periods with 1/R control, ASAIO J 49(3), 325-332, 2003
I. Saito, T. Chinzei, Y. Abe, M. Ishimaru, S. Mochizuki, T. Ono, T. Isoyama, K. Iwasaki, A. Kouno, A. Baba, T. Ozeki, K. Takiura, T. Tohyama, H. Nakagawa, K. Imachi, Progress in the control system of the undulation pump total artificial heart, Artif Organs 27(1), 27-33, 2003
2002年 K. Iwasaki*, M.Umezu, K.Iijima, K.Imachi, Implications for the establishment of accelerated fatigue test protocols for prosthetic heart valves, Artif Organs 26(5), pp.420-429, 2002
K. Iwasaki*, M. Umezu, Y. Abe, T. Chinzei, T. Isoyama, I. Saito, M. Ishimaru, K. Imachi, The improved jellyfish valve: Durability enhancement with sufficient blood compatibility, ASAIO J 48(5), 532-537, 2002
I. Saito, T. Chinzei, S. Mochizuki, Y. Abe, T. Isoyama, K. Iwasaki, T. Suzuki, T. Karita, T. Ono, A. Kouno, M. Ishimaru , A. Baba, T. Ozeki, T. Tohyama, S. Kobayashi, K. Imachi, Ripple reduction control of the undulation pump total artificial heart, Artif Organs 26(1), 2002
M. Umezu, M. Arita, K. Iwasaki, Y. Shiraishi, S. Tono, K. Uchida, Left Ventricle simulator for surgeons’ support, Biocybernetics and Biomedical Engineering 22(4), 47-53, 2002
T. Fujimoto, Y. Tsutsumi, Y. Shiraishi, K. Iwasaki, M. Yoshida, M. Umezu, J. Begg, J. Woodward, In vitro evaluating system for prosthetic heart valves in a case of the Jyros Valve, Biocybernetics and Biomedical Engineering 22(4), 41-46, 2002
2001年 K. Iwasaki*, M. Umezu, K. Imachi, K. Iijima, T. Fujimoto, Design improvement of the Jellyfish valve for long-term use in artificial hearts, Int J Artif Organs 24(7), 463-469, 2001
M. Arita, K. Iwasaki, M. Umezu, M. Yoshida, T. Fujimoto, H. Suma, T. Isoyama, Method of ranking of heart valve characteristics at mitral position based on statistical model analysis, J Artif Organs 4(2), 131-137, 2001
K. Imachi, T. Chinzei, Y. Abe, K. Mabuchi, H. Matsuura, T. Karita, K. Iwasaki, S. Mochizuki, YP. Son, I. Saito, A. Kouno, A new hypothesis on the mechanism of calcification formed on a blood contacted polymer surface, J Artif Organs 4(1), 74-82, 2001
Y. Abe, T.Chinzei, T. Isoyama, T. Ono, S. Mochizuki, I. Saito, K. Iwasaki, M. Ishimaru, T. Karita, A. Kouno, K. Baba, K. Imachi, One month survival with the undulation pump total artificial heart in a goat, Artificial Organs 25(1), 69-71, 2001
Y. Abe, T. Chinzei, T. soyama, T. Ono, S. Mochizuki, I. Saito, K. Iwasaki, M. Ishimaru, A. Baba, A. Kouno, T. Karita, K. Baba, K. Imachi, Progress in the development of the undulation pump total artificial heart, Jounal of Congestive Heart Failure and Circulatory Support 1(4), 167-170, 2001
K. Imachi, T. Chinzei, Y. Abe, T. Isoyama, T. Ono, S. Mochizuki, I. Saito, M. Ishimaru, K. Iwasaki, A. Baba, T. Karita, T. Ozeki, A. Kouno, Design of atrial cuff for the undulation pump total artificial heart, Jounal of Congestive Heart Failure and Circulatory Support 1(4), 195-200, 2001
K. Iwasaki*, M. Umezu, K. Imachi, Y. Abe, T. Chinzei, T. Isoyama, I. Saito, T. Fujimoto, Extension of durability of jellyfish valve for long-term use in artificial hearts, Journal of Congestive Heart Failure and Circulatory Support 1(4), 293-297, 2001
I. Saito, Y. Abe, T. Chinzei, T. Ono, T. Isoyama, S. Mochizuki, K. Iwasaki, A. Kouno, T. Karita, M. Ishimaru, A. Baba. K. Imachi, Miniature undulation pump for the study of renal circulation, Journal of Congestive Heart Failure and Circulatory Support 1(4), 321-325, 2001
T. Isoyama, T. Chinzei, Y. Abe, T. Ono, S. Mochizuki, I. Saito, M. Ishimaru, K. Iwasaki, A. Baba, T. Karita, T. Ozeki, A. Kouno, K. Imachi, Flow-transformed pulsatile total artificial heart using axial flow blood pump, Jounal of Congestive Heart Failure and Circulatory Support 1(4), 327-330, 2001
2000年 Y. Abe, T. Ono, T. Isoyama, S. Mochizuki, K. Iwasaki, T. Chinzei, I. Saito, A. Kouno, K. Imachi, Development of a miniature undulation pump for the distributed artificial heart, Artif Organs 24(8), 656-658, 2000
Y. Abe, T. Chinzei, T. Isoyama, T. Ono, S. Mochizuki, I. Saito, K. Iwasaki, M. Ishimaru, A. Baba, A. Kouno, T. Ozeki, T. Tohyama, K. Baba, K. Imachi, A step forward for the undulation pump total artificial heart, J Artif Organs 3(2), 70-74, 2000

Peer-reviewed Proceeding

2020年 Y. Tobe, K. Sakaguchi, J. Homma, K. Sano, E. Kobayashi, H. Sekine, K. Iwasaki, T. Shimizu, M. Umezu, Reconstruction of a vascular bed with perfusable blood vessels using a decellularized porcine small intestine for clinical application, IFMBE Proceedings, Accepted, 2020
2018年 Y. Tsuboko, Y. Shiraishi, A. Yamada, K. Iwasaki, M. Umezu, T. Yambe, Sophisticated hydrodynamic simulation of pulmonary circulation for the preclinical examination of right heart circulatory assist device, IFMBE proceedings, DOI 10.1007/978-981-10-9023-3_130, 2018
2016年 N. Motomura, A. Saito, Y. Kurosaki, K. Sato, K. Iwasaki, M. Takanashi, S. Tamura, T. Obase, K. Ueda, Newly designed tissue / cell storage bag for cryopreserved homograft by application of CO2 laser welding technique, IIR Workshop, 2016
2014年 T. Yamamoto, K. Iwasaki, J. Arai, K. Ohori, M. Umezu, Investigation of Mechanical Load on Proximal Left Anterior Descending of Coroary Artery, IFMBE Proceedings 43, 805-808, 2014
2010年 T. Tanaka, R. Kume, S. Kusunose, R. Tatsuta, T. Igarashi, K. Ito, K. Iwasaki, M. Umezu, Experimental investigation to ensure a safety of the exchange of extracorporeal-type ventricular assist devices in long-term-use patients, C.T. Lim and J.C.H. Goh (Eds.): WCB 2010, IFMBE Proceedings 31, 378–381, 2010
Y. Okamoto, H. Inukai, H. Kobashi, H. Yamaga, T. Yagi, K. Iwasaki, R. Shiurba, M. Umezu, Silicone Vascular Models for Analysis of Carotid Artery Stenting, C.T. Lim and J.C.H. Goh (Eds.): WCB 2010, IFMBE Proceedings 31, 398–401, 2010
2009年 M. Oura, N. Kobayashi, S. Yamamori, S. Takeda, K. Iwasaki, M. Umezu, Calibration System for Pulse Spectrophotometry Using a Double-Layer Pulsation Flow-Cell, IEEE EMBS, 896-899, 2009
K. Iwasaki, S. Tsubouchi, Y. Hama, M. Umezu, Successful reproduction of in-vivo fracture of an endovascular stent in superficial femoral artery utilizing a novel multi-loading durability test system, 13th International Conference on Biomedical Engineering, IFMBE Proceedings 23(4), 1443-1446, 2009
Y. Okamoto, T. Tanaka, H. Kobashi, K. Iwasaki, M. Umezu, In-vitro evaluation method to measure radial force of various stents, 13th International Conference on Biomedical Engineering, IFMBE Proceedings 23(3), 1053-1056, 2009
M. Uematsu, M. Arita, K. Iwasaki, T. Tanaka, T. Ohta, M. Umezu, T. Tsuchiya, Development of evaluation test method for the possibility of central venous catheter perforation caused by the insertion angle of a guidewire and a dilator, 13th International Conference on Biomedical Engineering, IFMBE Proceedings 23(3), 1183-1186, 2009
T. Yagi, S. Wakasa, N. Tokunaga, Y. Akimoto, T. Akutsu, K. Iwasaki, M. Umezu, New challenge for studying flow-induced blood damage: Macroscale modeling and microscale verification, 13th International Conference on Biomedical Engineering, IFMBE Proceedings 23(4), 1430-1433, 2009
S. Wakasa, T. Yagi, Y. Akimoto, N. Tokunaga, K. Iwasaki, M. Umezu, Microscale visualization of erythrocyte deformation by colliding with a rigid surface using a high-speed impinging jet, Proceedings of the 13th International Conference on Biomedical Engineering, 1422-1425, 2009
A. Kamoda, T. Yagi, A. Sato, Y. Qian, K. Iwasaki, M. Umezu, Biomedical engineering analysis of the rupture risk of cerebral aneurysms: Flow comparison of three small pre-ruptured versus six large unruptured cases, Proceedings of the 13th International Conference on Biomedical Engineering, 1600-1603, 2009
K. Sakaguchi, T. Shimizu, K. Iwasaki, M. Yamato, M. Umezu, T. Okano, Fabrication of three-dimensional tissues with perfused microchannels, Proceedings of the 13th International Conference on Biomedical Engineering, 1213-1216, 2009
2008年 M. Oura, N. Kobayashi, S. Takeda, K. Iwasaki, M. Umezu, Development of a compact mock circulation system and a new flow-cell model for pulse spectrophotometry, IEEE EMBS, 670-673, 2008
2007年 T. Tanaka, T. Shima, M. Furusato, Y. Kokuzawa, K. Ito, K.Iwasaki, Y. Qian, M. Umezu, Tensile test to ensure a safety of cannula connection in clinical ventricular assist device(VAD), Life System Modeling and Simulation, 546-552, 2007
M. Furusato, T. Shima, Y. Kokuzawa, K. Ito, T. Tanaka, K. Iwasaki, Y. Qian, M. Umezu, Z. Yan, Z. Ling, A reproduction of inflow restriction in the mock circulatory system to evaluate a hydrodynamic performance of a ventricular assist device in practical conditions, Life System Modeling and Simulation, pp.553-558, 2007
Y. Kokuzawa, T. Shima, M. Furusato, K. Ito, T. Tanaka, T. Igarashi, T. Nishinaka, K. Iwasaki, M. Umezu, Investigation of a hydrodynamic performance of a ventricular assist device after its long-term use in clinical application, Life System Modeling and Simulation, 429-435, 2007
T. Yagi, W. Yang, K. Iwasaki, M. Umezu, Three-dimensional fluid mechanics of the sinus of Valsalva with a bileaflet mechanical heart valve, CD-ROM (4 pages) Proceedings of ASME 2007 Summer Bioengineering Conference, 2007
2006年 M. Uematsu, H. Ando, A. Morita, S. Uesugi, K. Iwasaki, M. Umezu, Development of “Patient Robot”; Measurement system of myocardial behaviors for the quantitative evaluation of the surgical robot technology, The first IEEE/RAS-EMBS International Conference on Biomedical Robotics and Biomechatronics, CD-ROM (4 pages), 2006
T. Yagi, D. Ishikawa, H. Sudo, W. Yang, K. Iwasaki, M. Umezu, Real-time planar spectral analysis of instantaneous high-frequency stress on blood cells downstream of an artificial heart valve, Proceedings of the 12th International Symposium on Flow Visualization, CD-ROM (4 pages), 2006
W. Yang, T. Yagi, D. Ishikawa, H. Sudo, K. Iwasaki, M. Umezu, JY.Tu, 3D quantitative flow visualization of a spiral vortex pulsatile blood pump using stereoscopic PIV, Proceedings of the 12th International Symposium on Flow Visualization, CD-ROM (4 pages), 2006
T. Yagi, W. Yang, D. Ishikawa, H. Sudo, K. Iwasaki, M.Umezu, Multiplane scanning Stereo-PIV measurements of flow inside a spiral vortex pulsatile blood pump, Proceedings of the 13th International Symposium on Applications of Laser Techniques to Fluid Mechanics, CD-ROM (4 pages), 2006
2005年 K. Iwasaki, S. Ozaki, T. Kawai, S. Yamaguchi, M. Eto, Y. Ohba, M. Umezu, Innovative bioreactor technologies produced a completely decellularized and pre-endothelialized functional aortic valve, Proceedings of the 12th International Conference on Biomedical Engineering, CD-ROM (4 pages), 2005
T. Sudo, K. Iwasaki, Y. Ohnishi, T. Shima, T. Tanaka, K. Ito, M. Umezu, Development of an inexpensive first-aid type ventricular assist device driven by IABP consoles, Proceedings of the 12th International Conference on Biomedical Engineering, CD-ROM (4 pages), 2005
T. Yagi, W. Yang, D. Ishikawa, H. Sudo, K. Iwasaki, M. Umezu, An experimental investigation of three-dimensional flow structures within the spiral vortex ventricular assist device using stereoscopic PIV, Proceedings of the 12th International Conference on Biomedical Engineering, CD-ROM (4 pages), 2005
T. Yagi, D. Ishikawa, H. Sudo, T. Akutsu, W. Yang, K. Iwasaki, M. Umezu, An investigation of instantaneous high-frequency turbulent stress in the vicinity of artificial heart valves using wavelet transform analysis of dynamic PIV measurements, Proceedings of the 12th International Conference on Biomedical Engineering, CD-ROM (4 pages), 2005
D. Sone, Y. Yada, K. Iwasaki, I. Saito, M. Umezu, Y. Abe, K. Imachi, Influence of drive conditions on hemodynamic performance of undulation type artificial heart, Proceedings of the 12th International Conference on Biomedical Engineering, CD-ROM (4 pages), 2005
2004年 M. Umezu, J. Kawai, J. Suehiro, M. Arita, Y. Shiraishi, K. Iwasaki, T. Tanaka, H. Niinami, Biomedical engineering approach to evaluate anastomosis methods for coronary artery bypass grafting, Journal of Shanghai University 10, 25-28, 2004
Y. Ohnishi, K. Iwasaki, H. Mizuta, T. Sudo, S. Muto, T. Shima, T. Tanaka, K. Ito, M. Umezu, In vitro hydrodynamic test and in vitro hemolysis test for development of inexpensive spiral vortex ventricular assisting system using IABP console, Journal of Shanghai University 10, 32-36, 2004
H. Doi, M. Arita, M. Okuda, R. Noda, K. Iwasaki, T. Tanaka, H. Kasegawa H. M. Umezu, In vitro mitral simulator to evaluate effectiveness of valvoplasty technique, Journal of Shanghai University 10, 29-31, 2004
M. Umezu, K. Yamazaki, S. Yamazaki, H. Kurasawa, K. Iwasaki, Present status of Japanese implantable centrifugal type ventricular assist system(LVAS): Evaheart, Proceedings of the first Shanghai congress on heart assist and mechanical circulatory support, 27-29, 2004
2002年 K. Iwasaki, M. Umezu, CX. Ye, A. Nugent, T. Nakamura, M. Arita, Y. Qian, T. Tanaka, K. Imachi, K. Ishihara, V. Chang V, Spiral Vortex ventricular assist device: Improvement by engineering analysis and simulation, Proceedings of the Asian Simulation Conference / the 5th International Conference on System Simulation and Scientific Computing, International Academic Publishers World Publishing Corporation, 1035-1039, 2002
T. Tsujimoto, K. Iwasaki, W. Saeki, K. Yoshida, M. Arita, M. Umezu, Y. Qian, CX. Ye, K. Imachi, K. Ishihara, T. Tanaka, A challenge to develop an inexpensive “Spiral Vortex pump”, Proceedings of the Asian Simulation Conference / the 5th International Conference on System Simulation and Scientific Computing, International Academic Publishers World Publishing Corporation, 1040-1043, 2002

国内論文

2021年 <岩﨑清隆/u>, クラスIV治療機器開発と事業化を促進する基盤創生:早稲田大学ツインズでの取り組みとレギュラトリーサイエンス人材の育成、医療機器学 6, 303-309, 2021
K. Iwasaki, παντα ρει 生体外で血栓性を評価する試験システムの開発への挑戦と社会実装、日本バイオレオロジー学会誌(B & R,電子版)第35巻,第1号,p.1, 2021
2020年 岩﨑清隆, 人工心臓脱血管カニューレの非臨床評価法, 人工臓器, 49(3), 186-190, 2020
2018年 T. Inoue, M. Mouri, H. Noguchi, K. Iwasaki, M. Umezu, Analysis of the gap between submitted and determined reimbursement prices of innovative medical devices in Japan, Pharmaceutical and Medical Device Regulatory Science (医薬品医療機器レギュラトリーサイエンス), 49(4), 258-267, 2018
2016年 R. Kitawaki, M. Umezu, K. Iwasaki, H. Kasanuki, Analysis of Medical Device Recalls Owing to Output Information from Software, レギュラトリーサイエンス学会誌 6 (3), 281-293, 2016
Y. Matsui, M. Umezu, H. Kasanuki, K. Iwasaki,Systematic analysis of the incidence of coronary stent fracture and adverse events in Japan,レギュラトリーサイエンス学会誌 6(1), 2016, 1-10, 2016
2015年 A. Onomura, T. Yamamoto, H. Iseki, K. Iwasaki, M. Umezu, Adantages by vagus nerve stimulation therapy in patient in medically refractory epilepsy based on analysis of direct medical cost of one general hospital in Japan, レギュラトリーサイエンス学会誌 5(2), 111-120, 2015
岩﨑清隆,先進医療機器とレギュラトリーサイエンス, 日本機械学会誌,118(1155), pp.31-34, 2015年2月
2014年 F. Aoki, K. Iwasaki, M. Umezu, H. Kasanuki, Awareness of Electromagnetic Interference in Patients with Cardiac Implantable Electronic Devices: An Analysis of Hospital Explanations and Other Factors,レギュラトリーサイエンス学会誌 4(2), 87-102, 2014
M. Echigo, H. Kasanuki, K. Iwasaki, M. Umezu, Application of the International Medical Alarm Standard in Clinical Practice.Pharmaceutical and Medical Device Regulatory Science(医薬品医療機器レギュラトリーサイエンス), 45(3), 232-242, 2014
山本匡,岩﨑清隆,新井淳,北原茂美,梅津光生,冠動脈ステントの3回拡張法と臨床実践での評価,生体医工学,51(6), 350-356, 2014
朴栄光,岩﨑清隆,梅津光生,血管吻合トレーニングを科学する:OPCABトレーニングシミュレータによる吻合部内腔携帯とエネルギーの損失の検討,呼吸と循環62(11),1060-1068, 2014年11月
岩﨑清隆,組織無細胞化技術による再生医療,日本機械学会誌,117(1142),pp.28-31,2014年1月
2013年 岩﨑清隆,梅津光生,冠動脈ステントの疲労破壊:破損耐久性の可視化,可視化情報学会誌,33(131),139-144, 2013年10月
N. Okura, K. Iwasaki, H. Kasanuki, Post-market risk assessment based on malfunction reports of implantable arrhythmia devices in Japan, Pharmaceutical and Medical Device Regulatory Science (医薬品医療機器レギュラトリーサイエンス), 44(4), 352-356, 2013
中谷武嗣,許俊鋭,澤芳樹,戸田宏一,岩﨑清隆,梅津光生,山根隆志,荒井裕国,磯部光章,小野稔,山崎健二,DuraHeart左心補助人工心臓システムの市販後における改良に関する報告,人工臓器42(3),262-274, 2013年
2012年 加瀬川均,岩﨑清隆,梅津光生,新しい僧帽弁ステントレス生体弁Normoの開発,人工臓器41(3), 176-179, 2012
2011年 北野智哉,宮越貴之,小林信治,得能敏正,山崎健二,岩﨑清隆,梅津光生,埋込み型補助人工心臓システムEVAHEARTの耐久性評価,生体医工学49(6),pp.918-924,2011年
岩﨑清隆,野口祐介,岸上翔,八木下雄一,梅津光生,血管拡張ステントの加速耐久試験に関する研究,豊田研究報告第64号,117-120,2011年
岡本吉弘,田中智美,小橋宏行,犬飼孟,山家弘雄,岩﨑清隆,梅津光生,ヒト頚動脈病変の形状及び硬さを模擬した2層シリコーン狭窄血管モデルを用いたステントに必要な拡張力に関する検討,医工学治療 23(3),197-205,2011年
2010年 上野高史,光武良亮,横山晋二,板家直樹,川崎友裕,挽地裕,岩﨑清隆,ステントの至適拡張方法の検討:From bench to bedside,人工臓器 39 (3),222-226,2010年
岩﨑清隆,梅津光生,医工融合に基づく先進医療研究の展開,可視化情報,30(1),pp.3-6,2010年
2009年 坂口勝久,沢田里智,清水達也,岩﨑清隆,大和雅之,梅津光生,岡野光夫,3次元心筋組織構築のためのバイオリアクターの開発,ライフサポート 21(3),104-109,2009年
田中隆,古里正光,石澤祐馬,伊藤一彦,岩﨑清隆,銭逸,梅津光生,臨床用補助人工心臓交換時の安全性に関する実験的研究,体外循環技術 36(2),108-114,2009年
2008年 山﨑健二,梅津光生,太田英輔,富岡淳,岩﨑清隆,石原一彦,本邦初の次世代型補助人工心臓EVAHEART-自宅療養・就労復帰が可能となった,油空圧技術 47(8),17-21,2008年
2005年 植松美幸,白石泰之,関根一光,山家智之,西條芳文,安藤隼人,朴栄光,武田朴,岩﨑清隆,梅津光生,左心房形成術における切除線決定のための診断法に関する基礎的検討,日本エム・イー学会,大阪,生体医工学 43(4),653-660,2005年
2004年 岩﨑清隆,梅津光生,人工弁,人工臓器―最近の進歩,人工臓器33(3),178-186,2004
尾崎重之,菊地眞,岩﨑清隆,守本祐司,人工弁の最近の進歩,バイオマテリアル22(2),89-98,2004年
2002年 岩﨑清隆,内田浩司,有田誠,加瀬川均,梅津光生,ブタ僧帽弁を組み込んだ手術支援シミュレータの開発―機械式循環モデルの有効活用例―,BME 16(8),20-27,2002年
2000年 岩﨑清隆,梅津光生,井街 宏,藤本哲男,高分子製人工弁の加速耐久試験法確立に向けての力学的検討,人工臓器29(2),489-495,2000年
岩﨑清隆,梅津光生,井街 宏,藤本哲男,人工弁加速耐久試験のISO基準の拡張: 高分子製人工弁への適用に関する検討,人工臓器 29(2),385-389,2000年
梅津光生,堀切芳一,岩﨑清隆,藤本哲男,冠動脈ステントの力学的挙動試験,人工臓器 29(1),99-104, 2000年
藤本哲男,比留間信義,堤祐一,岩﨑清隆,白石康之,梅津光生,John Begg,John Woodard,高速ビデオカメラを用いた人工弁の回転に関する検討,人工臓器 29(1),117-120, 2000年
1999年 岩﨑清隆: 耐久性向上を目指した高分子製人工心臓弁の開発とその総合的評価,ライフサポート 11(2),12-14,1999年
1998年 岩﨑清隆,梅津光生,藤本哲男,井街 宏,有限要素法を用いたひずみ解析によるJellyfish弁のカルシウム沈着発生位置の検討,人工臓器 27(2),545-550,1998年