List of publications associated with EVAHEART LVAS

--   46 publications listed below   --

  • Long-Term Durability Test for the Left Ventricular Assist System EVAHEART under the Physiologic Pulsatile Load. ASAIO J. 2018 Mar/Apr;64(2):168-174. (Kitano T, Iwasaki K.)

  • The Effect of Inflow Cannula Angle on the Intraventricular Flow Field of the Left Ventricular Assist Device-Assisted Heart: An In Vitro Flow Visualization Study. ASAIO J. 2018 Mar 30. doi: 10.1097 (May-Newman K, Marquez-Maya N, Montes R, Salim S.)

  • Left heart pressures can be the key to know the limitation of left ventricular assist device support against progression of aortic insufficiency. J Artif Organs. 2018 Feb 20. doi: 10.1007 (Iizuka K, Nishinaka T, Naito N, Akiyama D, Takewa Y, Yamazaki K, Tatsumi E.)

  • Rotational speed modulation used with continuous-flow left ventricular assist device provides good pulsatility. Interact Cardiovasc Thorac Surg. 2018 Jan 1;26(1):119-123 (Naito N, Nishimura T, Iizuka K, Takewa Y, Umeki A, Ando M, Ono M, Tatsumi E.)

  • The Effect of Inlet Cannula Length on the Intraventricular Flow Field: An In Vitro Flow Visualization Study Using the Evaheart Left Ventricular Assist Device. ASAIO Journal 2017 Sep/Oct;63(5):592-603. (Karen May-Newman, Juyeun Moon, Varsha Ramesh, Ricardo Montes, Josue Campos, Brian  Herold, Paul Isingoma, Tadashi Motomura)

  • The influence of pump rotation speed on hemodynamics and myocardial oxygen metabolism in left ventricular assist device support with aortic valve regurgitation. J Artif Organs 2017 Sep;20(3):194-199. (Iizuka K, Nishinaka T, Takewa Y, Yamazaki K, Tatsumi E.)

  • Three-dimensional replica of corrected transposition of the great arteries for successful heart transplantation. J Artif Organs. 2017 Sep;20(3):289-291. (Fujita T, Fukushima S, Fukushima N, Shiraishi I, Kobayashi J.)

  • Preservation of von Willebrand factor multimers and function in patients with an EVAHEART centrifugal-type, continuous-flow left ventricular assist device. The Journal of Heart and Lung Transplantation 2017 Jul;36(7):814-817. (Ichihara Y, Nishinaka T, Komagamine M, Yamada Y, Yamazaki K.)

  • Left Ventricular Assist Device Design Reduces von Willebrand Factor Degradation: A Comparative Study Between the HeartMate II and the EVAHEART Left Ventricular Assist System. Ann Thorac Surg. 2017 Apr;103(4):1239-1244. (Carlo R. Bartoli, Jooeun Kang, David Zhang, Jessica Howard, Michael Acker, Pavan Atluri, Tadashi Motomura)

  • Correlation between driveline features and driveline infection in left ventricular assist device selection. Artif Organs. 2017 Mar;20(1):34-41. (Imamura T, Murasawa T, Kawasaki H, Kashiwa K, Kinoshita O, Nawata K, Ono M.)

  • Changing pulsatility by delaying the rotational speed phasing of a rotary left ventricular assist device. J Artif Organs. 2017 Mar;20(1):18-25. (Date K, Nishimura T, Arakawa M, Takewa Y, Kishimoto S, Umeki A, Ando M, Mizuno T, Tsukiya T, Ono M, Tatsumi E.)

  • Cerebrovascular Accident Rate Is Different Between Centrifugal and Axial-Flow Pumps, but Survival and Driveline Infection Rates Are Similar. Transplant Proc. 2017 Jan - Feb;49(1):121-124. (Kimura M, Nawata K, Kinoshita O, Yamauchi H, Itoda Y, Imamura T, Hatano M, Kinugawa K, Ono M.)

  • Centrifugal Pump EVAHEART Prevents Development of Aortic Insufficiency Preserving Pulse Pressure. International Heart Journal Vol. 57 (2016) No. 1 p. 127-128.  (Teruhiko Imamura, Koichiro Kinugawa)

  • What Is the Optimal Setting for a Continuous-Flow Left Ventricular Assist Device in Severe Mitral Regurgitation? Artif Organs. 2016 Nov;40(11):1039-1045. (Naito N, Nishimura T, Takewa Y, Kishimoto S, Date K, Umeki A, Ando M, Ono M, Tatsumi E.)

  • Influence of a Rotational Speed Modulation System Used With an Implantable Continuous-Flow Left Ventricular Assist Device on von Willebrand Factor Dynamics. Artificial Organs 2016, 40(9): 877 – 883.  (Noritsugu Naito, Toshihide Mizuno, Takashi Nishimura, Satoru Kishimoto, Yoshiaki Takewa, Yuka Eura, Koichi Kokame, Toshiyuki Miyata, Kazuma Date, Akihide Umeki, Masahiko Ando, Minoru Ono, and Eisuke Tatsumi)

  • Influence of a Rotational Speed Modulation System Used With an Implantable Continuous-Flow Left Ventricular Assist Device on von Willebrand Factor Dynamics. Artif Organs. 2016 Sep;40(9):877-83. (Naito N, Mizuno T, Nishimura T, Kishimoto S, Takewa Y, Eura Y, Kokame K, Miyata T, Date K, Umeki A, Ando M, Ono M, Tatsumi E.)

  • Centrifugal Pump EVAHEART Prevents Development of Aortic Insufficiency Preserving Pulse Pressure. Int Heart J. 2016;57(1):127-8. (Imamura T, Kinugawa K.)

  • Pulsatile support using a rotary left ventricular assist device with an electrocardiography-synchronized rotational speed control mode for tracking heart rate variability. J Artif Organs. 2016 Jun;19(2):204-7. (Arakawa M, Nishimura T, Takewa Y, Umeki A, Ando M, Kishimoto Y, Kishimoto S, Fujii Y, Date K, Kyo S, Adachi H, Tatsumi E.)

  • Influence of a novel electrocardiogram-synchronized rotational-speed-change system of an implantable continuous-flow left ventricular assist device (EVAHEART) on hemolytic performance. J Artif Organs. 2014 Dec;17(4):373-7. (Kishimoto S, Date K, Arakawa M, Takewa Y, Nishimura T, Tsukiya T, Mizuno T, Katagiri N, Kakuta Y, Ogawa D, Nishimura M, Tatsumi E.)

  • EVAHEART: A Japanese multicenter study using J-MACS, The Journal of Heart and Lung Transplantation 2014; 33:599–608. 
    (Satoshi Saito,  Kenji Yamazaki, et al.)

  • Development of a novel drive mode to prevent aortic insufficiency during continuous-flow LVAD support by synchronizing rotational speed with heartbeat. Journal of Artificial Organs 2013 ; 16 (2) 129-137.
    (Yuichiro Kishimoto, Yoshiaki Takewa, Mamoru Arakawa, Akihide Umeki, et al.)

  • Change in myocardial oxygen consumption employing continuous-flow LVAD with cardiac beat synchronizing system, in acute ischemic heart failure models. Journal of Artificial Organs 2013; 16 (2) 119-128.
    (Akihide Umeki, Takashi Nishimura, Yoshiaki Takewa, Masahiko Ando, et al.)

  • Preliminary study on the development of a system dynamics model: the case of EVAHEART. Journal of Artificial Organs. Volume 16, Number 2, 2013 pp242-247. (Tsugiko Kato, Mitsuo Umez, Kiyotaka Iwasaki, et al.)

  • Japanese Experience of EVAHEART TM Left Ventricular Assist System. The Journal of Heart and Lung Transplantation; 2013 April; 32 (4)  Supplement, Pages S11-S12. (S. Saito, T. Nishinaka, Y. Ichihara, M. Komagamine, et al.)

  • Gastrointestinal Bleeding Was Rare with Centrifugal Type Continuous Flow Left Ventricular Assist Device EVAHEART. April 2013 The Journal of Heart and Lung Transplantation Vol. 32, Issue 4, Supplement, Pages S233-S234.
    (Y. Ichihara, T. Nishinaka, M. Komagamine, Y. Yamada, et al.)

  • A novel counterpulse drive mode of continuous-flow left ventricular assist devices can minimize intracircuit backward flow during pump weaning. Journal of Artificial Organs 2011: 14 (1) 74-79. (Masahiko Ando, Takashi Nishimura, Yoshiaki Takewa, Daisuke Ogawa, Kenji Yamazaki, Koichi Kashiwa, Shunei Kyo,Minoru Ono, Yoshiyuki Taenaka, Eisuke Tatsumi)

  • What is the ideal off-test trial for continuous-flow ventricular-assist-device explantation? Intracircuit back-flow analysis in a mock circulation model. Journal of Artificial Organs 2011; 14 (1) 70-73. (Masahiko Ando, Takashi Nishimura, Yoshiaki Takewa, Daisuke Ogawa, Kenji Yamazaki, Koichi Kashiwa, Shunei Kyo,Minoru Ono, Yoshiyuki Taenaka, Eisuke Tatsumi)

  • Long-Term Durable Implantable Centrifugal Blood Pump: EVAHEART Left Ventricular Assist System. Journal of Heart and Lung Transplantation 2011; 30 (4) S85-S85. (T. Nishinaka, K. Yamazaki, S. Saito, H. Tsukui, T. Nakatani, J. Kobayashi, G. Matsumiya, Y. Sawa, T. Nishimura, M. Ono, S. Kyo, S. Kitamura)

  • Next Generation Centrifugal Left Ventricular Assist Device EVAHEART. Journal: Journal of Cardiac Failure. J CARD FAIL2010: 16 (9) S144-S144. (Tomohiro Nishinaka)

  • Completely Pulsatile high flow circulatory support with a constant speed centrifugal blood pump: mechanisms and early clinical observations. General Thoracic and Cardiovascular Surgery 2007, Vol. 55, No. 4: 158-162. (Yamazaki K, Saito S, Kihara S, et al.)

  • Preclinical biocompatibility assessment of the EVAHEART ventricular assist device: coating comparison and platelet activation. J Biomed Mater Res A. 2007 Apr; 81(1):85-92. (Snyder TA, Tsukui H, Kihara S, et al.)

  • Bridge-to-bridge conversion from Nipro-LVAS to EVAHEART implantable LVAS in a patient with severe acute myocardial infarction. Journal of Artificial Organs. Volume 16, Number 2, 2013 pp263-265.
    (Masao Yoshitatsu, Takafumi Masai, Junya Yokoyama, et al.)

  • Bioengineering Advances and Cutting-edge Technology. 13th International Conference on Biomedical Engineering. IFMBE Proceedings Volume 23, 2009: 2143-2146. (M. Umezu)

  • Japanese Clinical Trial Results of Next Generation LVAS EVAHEART. Journal: Cvd Prevention and Control. 2009 (4) S29-S29.
    S17-4 (Kenji Yamazaki)

  • Japanese Clinical Trial Results of New Generation LVAS EVAHEART (Citations: 1). Journal: Journal of Cardiac Failure – J CARD FAIL 2009; 15 (7) S147-S147. (Kenji Yamazaki, Satoshi Saito, Tomohiro Nishinaka, Takeshi Nakatani, Soichiro Kitamura, Goro Matsumiya, Yoshiki Sawa,Takashi Nishimura, Minoru Ono, Shunei Kyo)

  • Japanese Clinical trial results of an Implantable Centrifugal Blood Pump “EVAHEART”, Journal Heart and Lung Transl 2008; 27(2), S246. (Yamazaki K, Saito S, Nishinaka T, et al.)

  • Mechanical circulatory support devices (MCSD) in Japan: current status and future directions. Artificial Organs 2005; 8(1):13–27.
    (Takatani S. Matsuda H, et al.)

  • A Comparative Study Between Flow Visualization and Computational Fluid Dynamic Analysis for the Sun Medical Centrifugal Blood Pump. Artificial Organs 2004; 28(5): 458-466. (Yamane T, Miyamoto Y, Tajima K, Yamazaki K.)

  • Distal thoracic aorta hemodynamics during exercise with continuous flow left ventricular assist system. Eur J Cardiothoracic Surg 2003; 24(6):926-31. (Kihara S, Yamazaki K, Litwak KN, et al.)

  • In vivo evaluation of a MPC polymer coated continuous flow left ventricular assist system. Artificial Organs 2003; 27(2):188-92.
    (Kihara S, Yamazaki K, Litwak KN, et al.)

  • EVAHEART: an implantable centrifugal blood pump for long-term circulatory support. Jpn J Thorac Cardiovasc Surg, 2002; 50(11):461-5. (Yamazaki K, Kihara S, Akimoto T, et al.)

  • The role of diastolic pump flow in centrifugal blood pump hemodynamics. Artificial Organs 2001; 25(9):724-7.
    (Akimoto T, Litwak KN, Yamazaki K, et al.)

  • Continuously Maintaining Positive Flow Avoids Endocardial Suction of a Rotary Blood Pump With Left Ventricular Bypass. Artificial Organs 2000 Aug; 24(8):606-10. (Akimoto T, Yamazaki K, Litwak P, et al.)

  • An implantable blood pump with a recirculating purge system (Cool-Seal system), Artificial Organs 1998; 22:466-474.
    (Yamazaki K, Litwak P, et al.)

  • An implantable centrifugal blood pump for long term circulatory support. ASAIO J, Sep-Oct 1997, 43(5) pM686-91.
    (Yamazaki K, Litwak P, Kormos RL, et al.)

  • The cool seal system: a practical solution to the shaft seal problem and heat related complications with implantable rotary blood pumps. ASAIO J,   Sep-Oct 1997, 43(5) pM567-71. (Yamazaki K, Mori T, Tomioka J, et al.)