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A New Non-Invasive Continuous Cardiac Output Trend Solely Utilizing Routine Cardiovascular Monitors. 
Ishihara H, Okawa H, Tanabe K, Tsubo T, Sugo Y, Akiyama T, Takeda S. J Clin Monit Comput 2004; 18: 313–320.


A Non-invasive Continuous Cardiac Output Measurement Method Utilizing ECG and SpO2 Pulse Wave.  
Sugo Y, Akiyama T, Takeda S, Ishihara H. JJMI 2005; 75: 63-69 (in Japanese with English Abstract).


A Novel Continuous Cardiac Output Monitor Based on Pulse Wave Transit Time.  
Sugo Y, Ukawa T, Takeda S, Ishihara H, Kazama T, Takeda Z. Conf Proc IEEE Eng Med Biol Soc. 2010; 2853-6.


Non-invasive cardiac output monitoring with pulse oximetry - esCCO-.   
Sato N. J Clin Anesth. 2011; Vol.35 No.12: 1825-1830 (in Japanese).


Comparison between CCO and non-invasive continuous cardiac output using pulse wave transit time.  
Tsutsui M. Masui. 2012 Sep;61(9):1011-7 (in Japanese with English abstract).


Multicenter Study Verifying a Method of Noninvasive Continuous Cardiac Output Measurement Using Pulse Wave Transit Time: A Comparison with Intermittent Bolus Thermodilution Cardiac Output.  
Yamada T, Tsutsui M, Sugo Y, Sato T, Akazawa T, Sato N, Yamashita K, Ishihara H, Takeda J.Anesth Analg. 2012 Mar 30.


The ability of a new continuous cardiac output monitor to measure trends in cardiac output following implementation of a patient information calibration and an automated exclusion algorithm.  
Ishihara H, Sugo Y, Tsutsui M, Yamada T, Sato T, Akazawa T, Sato N, Yamashita K, Takeda J.J Clin Monit Comput. 2012 Dec;26(6):465-71.


The Comparison of a Novel Continuous Cardiac Output Monitor Based on Pulse Wave Transit Time and Echo Doppler during Exercise.  
Sugo Y, Sakai T, Terao M, Ukawa T, Ochiai R.Conf Proc IEEE Eng Med Biol Soc.2012 Aug;2012:236-9.


Comparison of esCCO and transthoracic echocardiography for non-invasive measurement of cardiac output intensive care.  
Bataille B, Bertuit M, Mora M, Mazerolles M, Cocquet P, Masson B, Moussot PE, Ginot J, Silva S, Larché J.Br J Anaesth. 2012 Dec;109(6):879-86.


Comment on article "Comparison of esCCO and transthoracic echocardiography for non-invasive measurement of cardiac output intensive care."  
Dhonneur G.Br J Anaesth. 2013 Jan;110(1):137-8.


Comment on article "Comparison of esCCO and transthoracic echocardiography for non-invasive measurement of cardiac output intensive care."  
Faraoni D, Barvais L.Br J Anaesth. 2013 Jan;110(1):139-40.


Inclusion of the Pre-ejection Period in the Pulse Wave Transit Time in a Cardiac Output Monitoring Method.  
Sugo Y, Ochiai R. Therapeutic Research.2012;Vol. 33 No. 10 (in Japanese with English Abstract).


The agreement and trend ability of a Non-invasive Continuous Cardiac Output Measurement Method Utilizing ECG and SpO2 Pulse Wave against Echo Doppler during Exercise.  
Sugo Y,Sakai T,Terao T,Ukawa T,Ochiai R. JJMI. 2013 ; Vol. 83 No.3 (in Japanese with English abstract).


Usefulness of a noninvasive cardiac output measurement using pulse wave transit time in coronary care unit.  
Mansencal N, Delobelle J, Balagny P, Badie J, Ihaddaden M, Arslan M, Dubourg O.Int J Cardiol. 2013 May 25.


Evaluation of the estimated continuous cardiac output monitoring system in adults and children undergoing kidney transplant surgery: a pilot study.  
Terada T, Maemura Y, Yoshida A, Muto R, Ochiai R.J Clin Monit Comput. 2013 Aug 21.


Accuracy of Noninvasive Estimated Continuous Cardiac Output (esCCO) Compared to Thermodilution Cardiac Output: A Pilot Study in Cardiac Patients.  
Ball TR, Tricinella AP, Kimbrough BA, Luna S, Gloyna DF, Villamaria FJ, Culp WC Jr.J Cardiothorac Vasc Anesth. 2013 Aug 28.


Pulse wave transit time measurements of cardiac output in patients undergoing partial hepatectomy: Comparison of the esCCO system with thermodilution.   
Tsutsui M et al. Anesth Analg. 2013 Dec;117(6):1307-12.


Can we obtain a noninvasive and continuous estimation of cardiac output? Comparison between three noninvasive methods.  
Raissuni Z, Zores F, Henriet O, Dallest S, Roul G. Int Heart J. 2013;54(6):395-400.


The diagnostic accuracy of estimated continuous cardiac output compared with transthoracic echocardiography.  
Fischer MO, Balaire X, Le Mauff de Kergal C, Boisselier C, Gérard JL, Hanouz JL, Fellahi JL. Can J Anaesth. 2014 Jan;61(1):19-26.


Clinical validation of pulse contour and pulse wave transit time-based continuous cardiac output analyses in Thai patients undergoing cardiac surgery.  
Wacharasint P, Kunakorn P, Pankongsap P, Preechanukul R. J Med Assoc Thai. 2014 Jan;97 Suppl 1:S55-60.


Non-invasive estimated continuous cardiac output (escCO) during severe sepsis and septic shock resuscitation.  
Permpikul C, Leelayuthachai T. J Med Assoc Thai. 2014 Mar;97 Suppl 3:S184-8.


Impact of changes in systemic vascular resistance on a novel non-invasive continuous cardiac output measurement system based on pulse wave transit time: a report of two cases.  
Ishihara H, Tsutsui M. J Clin Monit Comput. 2014 Aug;28(4):423-7.


Comparison between continuous non-invasive estimated cardiac output by pulse wave transit time and thermodilution method.  
Sinha AC, Singh PM, Grewal N, Aman M, Dubowitz G. Ann Card Anaesth. 2014 Oct-Dec;17(4):273-7.


Year in review in journal of clinical monitoring and computing 2014: cardiovascular and hemodynamic monitoring.  
Bendjelid K, Rex S, Scheeren T, Critchley L. J Clin Monit Comput. 2015 Apr;29(2):203-7.


Validation during exercise of a new device for cardiac output measurement using pulse wave transit time (comparison EsCCO® vs. Physioflow®).  
Stalter A, Lanot N, Bridon G, Julian V, Péreira B, Richard R. Ann Cardiol Angeiol (Paris). 2015 Jan 21.


The Ability of esCCO™ and ECOM™ Monitors to Measure Trends in Cardiac Output During Alveolar Recruitment Maneuver After Cardiac Surgery: A Comparison with the Pulmonary Thermodilution Method.   
Thonnerieux M, Alexander B, Binet C, Obadia JF, Bastien O, Desebbe O. Anesth Analg. 2015 Aug;121(2):383-91.


Pulse Wave Transit Time Measurements of Cardiac Output in Septic Shock Patients: A Comparison of the Estimated Continuous Cardiac Output System with Transthoracic Echocardiography.  
Feissel M, Aho LS, Georgiev S, Tapponnier R, Badie J, Bruyère R, Quenot JP. PLoS One. 2015 Jun 30;10(6):e0130489.


Ability of esCCO to track changes in cardiac output.   
Biais M, Berthezène R, Petit L, Cottenceau V, Sztark F. Br J Anaesth. 2015 Sep;115(3):403-10.


Comparison of the ability of two continuous cardiac output monitors to measure trends in cardiac output: estimated continuous cardiac output measured by modified pulse wave transit time and an arterial pulse contour-based cardiac output device.  
Terada T, Oiwa A, Maemura Y, Robert S, Kessoku S, Ochiai R. J Clin Monit comput. 2015 Sep 14.


Volkov PA, Sevalkin SA, Churadze BT, Volkova YT, Gur'yanov VA. Anesteziol Reanimatol. 2015 Jul-Aug;60(4):19-23 (in Russian with English abstract).


Comparison of Estimated Continuous Cardiac Output and Transoesophageal Echocardiography Cardiac Output for Noninvasively Measuring Cardiac Output in Paediatric Patients Undergoing Kidney Transplant Surgery: A Pilot Study.  
Terada T, Oiwa A, Maemura Y, Ochiai R. Int J Cardiovasc Res.2015 Oct 9.


Comparison of estimated continuous cardiac output with echocardiography in patients with systolic heart failure.  
Musluhittin E. Erkus, Ibrahim H. Altiparmak, Ahmet Kucuk, Funda Yalcin, Recep Demirbag, Zekeriya Kaya. Int J Res Med Sci. 2016 Feb;4(2):369-373.


Estimated continuous cardiac output based on pulse wave transit time in off-pump coronary artery bypass grafting: a comparison with transpulmonary thermodilution.  
Smetkin AA, Hussain A, Fot EV, Zakharov VI, Izotova NN, Yudina AS, Dityateva ZA, Gromova YV, Kuzkov VV, Bjertnæs LJ, Kirov MY. J Clin Monit Comput. 2016 Mar 7.


Cardiac Output Measurements Based on the Pulse Wave Transit Time and Thoracic Impedance Exhibit Limited Agreement With Thermodilution Method During Orthotopic Liver Transplantation.  
Magliocca A, Rezoagli E, Anderson TA, Burns SM, Ichinose F, Chitilian HV. Anesth Analg. 2018 Jan;126(1):85-92.


Comparison of the ability of esCCO and Volume View to measure trends in cardiac output in patients undergoing cardiac surgery.  
Dache S, Van Rompaey N, Joosten A, Desebbe O, Saxena S, Eynden FV, Van Aelbrouck C, Huybrechts I, Obbergh LV, Barvais L. Anaesthesiol Intensive Ther. 2017;49(3):175-180.


Ability of pulse wave transit time to detect changes in stroke volume and to estimate cardiac output compared to thermodilution technique in isoflurane-anaesthetised dogs.  
H. Sano, J.P. Chambers. Vet Anaesth Analg. 2017 Apr 26.


Akselrod BA, Tolstova LA, Pshenichniy TA, Fedulova SV. Anesteziol Reanimatol. 2017 Sep;61:178-182  (in Russian with English abstract).


[Meta-analyses on measurement precision of non-invasive hemodynamic monitoring technologies in adults].  
Pestel G, Fukui K, Higashi M, Schmidtmann I, Werner C. Anaesthesist. 2018 Jun;67(6):409-425 (in German with English abstract).


Cardiac output and stroke volume variation measured by the pulse wave transit time method: a comparison with an arterial pressure-based cardiac output system.   
Suzuki T, Suzuki Y, Okuda J, Minoshima R, Misonoo Y, Ueda T, Kato J, Nagata H, Yamada T, Morisaki H. 2018 Jun 14. [Epub ahead of print.]


Improving Perioperative Outcomes Through Minimally Invasive and Non-invasive Hemodynamic Monitoring Techniques.  
Yamada T, Vacas S, Gricourt Y, Cannesson M. Front Med (Lausanne). 2018 May 17;5:144.


Investigation of percentage changes in pulse wave transit time induced by mini-fluid challenges to predict fluid responsiveness in ventilated dogs.  
Sano H, Fujiyama M, Wightman P, Cave NJ, Gieseg MA, Johnson CB, Chambers P. J Vet Emerg Crit Care (San Antonio). 2019 Jun 20.


Comparison of the Pulse Wave Transit Time Method and an Arterial Pressure-Based Cardiac Output System for Measuring Cardiac Output Trends During Laparotomy Without Postural Change.  
Terada T, Kessoku S, Suzuki A, Kurosawa A, Nakagomi S, Oiwa A, Arai M, Sakamoto N, Idemitsu W, Ochiai R. Asian J Anesthesiol. 2019 Oct 29;2019(2019).


New non-invasive approach to detect cardiac contractility using the first sound of phonocardiogram.  
Yamashita K. Acute Med Surg. 2020 Jan 22;7(1):e483.


Pulse-wave transit time with ventilator-induced variation for the prediction of fluid responsiveness.  
Yamashita K. Acute Med Surg. 2020 Jan 27;7(1).e484.


Experience of using a non-invasive pulse-wave transit time-based cardiac output monitoring in patients undergoing robot-assisted surgery with pneumoperitoneum in a head-down position.  
Misato Kurota. Yamagata Med J 2020;38(1):38-42.


A comparative study of the effi cacy and hemodynamic changes of combined spinal epidural anesthesia and spinal anesthesia for total vaginal hysterectomy.  
Nataliya Matolinets, Roma Hayduk, Fabian Kettl. Proc Shevchenko Sci Soc Med Sci 2019,Vol.57, 2.


Evaluating a Dynamic Trend in the Estimated Continuous Cardiac Output Calibrated With Invasive and Non-Invasive Methods.  
Takashi Terada, Ryoichi Ochiai. Asian Journal of Anesthesiology 58(1): 45-49, Mar.2020.


Prediction of Fluid Responsiveness by Means of Stroke Volume Variation Measured by Pulse Wave Transit Time-Based Cardiac Output Monitoring.  
Sakamoto Noriaki. Terada Takashi. Ochiai Ryoichi. Toho Journal of Medicine. 2020.03;6(1):41-47.


Comparison of the ability of two continuous cardiac output monitors to detect stroke volume index: Estimated continuous cardiac output estimated by modified pulse wave transit time and measured by an arterial pulse contour-based cardiac output device.  
Terada T, Ochiai R. Technology and Health Care, 2020 Sep 4.


Is Noninvasive Continuous Cardiac Output Technique Based on Pulse Wave Transit Time Applicable in Cardiac Output Monitoring during Thoracic Aortic Aneurysm Surgery?  
Kajitani, Misa / Ochiai, Ryoichi.  
Toho Journal of Medicine. 5(3). p.85-92.


Comparison of Cardiac Output and Stroke Volume Calculated by Pulse Wave Transit Time at the Fingertip Versus at the Toe.  
Hasegawa, Makoto / Ochiai, Ryoichi / Kotake, Yoshifumi.  
Toho Journal of Medicine. 7(1). p.39-47.


Evaluation of pulse wave transit time analysis for non-invasive cardiac output quantification in pregnant patients.  
Emmanuel Schneck, Pascal Drubel, Rainer Schürg, Melanie Markmann, Thomas Kohl, Michael Henrich, Michael Sander & Christian Koch.  
Scientific Reports  Article number: 1857 (2020). 


Accuracy of Estimated Continuous Cardiac Output Monitoring Using Pulse Wave Transit Time Compared to Arterial Pressure-based CO Measurement during Major Surgeries.  
Malini Premkumar Joshi, Resham Rathod, Shilpushp Jagannath Bhosale, Atul Prabhakar Kulkarni.  
Indian Journal of Critical Care Medicine (2022): 10.5005/jp-journals-10071-24158.


Continuous Estimation of Cardiac Output in Critical Care: A Noninvasive Method Based on Pulse Wave Transit Time Compared with Transpulmonary Thermodilution.  
Ulrike Ehlers, Rolf Erlebach,Giovanna Brandi,Federica Stretti,Richard Valek,  
Stephanie Klinzing,and Reto Schuepbach.  
Critical Care Research and Practice Volume 2020.


Correlation of Cardiac Output Measured by Thermodilution and Non-Invasive Continuous Monitoring. 
Maria Cecilia González, Ariel Dogliotti,Arnaldo Dubin, Carlos Lovesio. 


The Effect of Surgical Patient Positions on Plet Variability Index, Perfusion Index and Noninvasive Continuous Cardiac Output Measurement Method in Voluntary Breathing Volunteers.  
Mahmut Alp KARAHAN.   
Ahmet ATLAS, Veli PEHLİVAN, Erdoğan DURAN, Başak PEHLİVAN, Melike ABAN, Orhan BİNİCİ, Nuray ALTAY.  
Harran Üniversitesi Tıp Fakültesi Dergisi Yıl 2020, Cilt 17, Sayı 1, 98-103, 29.04.2020.


Tinglan Zuo, Felix Semenovich Glumcher, Evgeny Yurievich Demin.  
Health Prob Civil. 2021; 15(1): 54-60.


Optimization of the target strategy of perioperative infusion therapy based on monitoring data of central hemodynamics in order to prevent complications.  
Dmytro Dmytriiev, Oleksandr Nazarchuk,Mykola Melnychenko and Bohdan Levchenk.  
Front Med (Lausanne).2022 Oct 3;9:935331. 


Perioperative hemodynamic protective assessment of adaptive support ventilation usage in pediatric surgical patientsv.  
Dmytro Dmytriiev et al.  
Acute Crit Care. 2022 Nov; 37(4): 636–643.


Major monitoring and cardiac output during cesarean delivery.  
Yuki Nakano, Jun Takeshita & Kazuya Tachibana.   
Journal of Anesthesia volume 36, pages574–576 (2022).


Total Intravenous Anesthesia Using Remimazolam and Continuous Cardiac Output Monitoring for Dental Anesthesia in a Patient With Takayasu's Arteritis: A Case Report.  
Takaishi, Kazumi; Takata, Marina; Aoki, Risa; Fujiwara, Shigeki Joseph Luke; Kawahito; Kitahata, Hiroshi.  
A & A Practice 16(8):p e01599, August 2022.


Association between maternal cardiac output and fetal acidaemia in Caesarean delivery under spinal anaesthesia with norepinephrine infusion: a retrospective cohort study.  
Yusuke Ikeda, Takayasu Sugiyama, Yuki Shiko, Azusa Nagai, Shohei Noguchi, Yohei Kawasaki, Yusuke Mazda.  
British Journal of Anaesthesia Volume 130, Issue 1, January 2023, Pages e4-e7.


Hemodynamic Changes during Pneumoperitoneum and Reverse Trendelenburg Position in Bariatric Surgery: An Observational Study using Noninvasive Cardiac Output Monitoring.  
Deepak Poudel, Ravinder Kumar Pandey, Amar Pal Bhalla, Ankur Sharma, Bikash Ranjan Ray, Jyotsna Punj, Vanlalnghaka Darlong, Sandeep Aggarwal.  
Journal of Bariatric Surgery ¦ Volume 1 ¦ Issue 2 ¦ September-December 2022 P.105-110.


Comparison of hemodynamics during induction of general anesthesia with remimazolam   
and target-controlled propofol in middle-aged and elderly patients: a single-center, randomized, controlled trial.  
Sekiguchi R, Kinoshita M, Kawanishi R, Kakuta N, Sakai Y, Tanaka K.  
BMC Anesthesiol. 2023 Jan 10;23(1):14.


Accuracy of a noninvasive estimated continuous cardiac output measurement   
under different respiratory conditions: a prospective observational study.  
Masashi Takakura, Tasuku Fujii, Tomoya Taniguchi, Shogo Suzuki & Kimitoshi Nishiwaki.   
Journal of Anesthesia volume 37, pages394–400 (2023).


The Validation of Cardiac Index and Stroke-Volume Variation Measured by the Pulse-Wave Transit Time-Analysis Versus Conventional Pulse-Contour Analysis After Off-Pump Coronary Artery Bypass Grafting: Observational Study.  
Evgeniia V. Fot MD, Alexey A. Smetkin MD, Dmitriy A. Volkov MD, Tatyana N. Semenkova MD, Konstantin V. Paromov MD, Vsevolod V. Kuzkov MD, PhD, Mikhail Y. Kirov MD, PhD.   
The Journal of Cardiothoracic and Vascular Anesthesia 000(2023) 1-8.


Comparison of parameter types for the  calibration of noninvasive continuous cardiac  output monitoring of patients undergoing lumbar spinal surgery in the prone position.  
Seung Cheol Lee, Gang Hyun Lee, Tae Young Lee and Sang Yoong Park.  
Technology and Health Care, vol. Pre-press, no. Pre-press, pp. 1-11, 2023.


A method for calculating left ventricular end-diastolic volume as an index of left ventricular preload from the pre-ejection period, ejection time, blood pressure, and stroke volume: a prospective, observational study.  
Mitsuyo Hayabuchi, Yuka Matsuki, Shuhei Kidoguchi and Kenji Shigemi.  
Hayabuchi et al. BMC Anesthesiology (2023) 23:143.


Estimated continuous cardiac output based on pulse wave transit time in critically ill children: a report of two cases.  
Humberto Magalhães Silva , Raisa Sanches Uzun , Isabel de Siqueira Ferraz , Marcelo Barciela Brandão , Tiago Henrique de Souza.  
Crit Care Sci. 2023;35(1):107-111. 


Comparative evaluation of stroke volume variation measured by pulse wave transit time and arterial pressure wave 
Ryoichi Ochiai, Takashi Terada and Noriaki Sakamoto 
Technol Health Care. 2023 Jul 13


The relation between bias of Estimated Continuous Cardiac Output against Arterial pressure-based cardiac output and arteriosclerosis index, hemoglobin 
Kaneyuki Kawamae, Misato Kurota. 
BULLETIN OF YAMAGATA UNIVERSITY  (Medical Science) (ISSN 0288-030X) 2023;41(2):68-73


Hemodynamic impact of ephedrine on hypotension during general anesthesia:a prospective cohort study on middle-aged and older patients 
Yuta Uemura, Michiko Kinoshita, Yoko Sakai and Katsuya Tanaka 
BMC Anesthesiol. 2023 Aug 22;23(1):283


Hemodynamic Protective Assessment of BurnNavi-Guided Fluid Management in Burned Patients: Pilot Study 
Mykola Melnychenko, Dmytro Dmytriiev, Oleksandr Nazarchuk,Ludmila Sidorenko, Roman Chornopyshchuk, Vasyl Nagaichuk,and Svetlana Sidorenko. 
ICNBME 2023, IFMBE Proceedings 92, pp. 421–430, 2024


Pulse Wave Analysis to Estimate Cardiac Output: Comment  
Scott Hughey, M.D.; Jacob Cole, M.D.; Gregory Booth, M.D. 
Anesthesiology August 2021, Vol. 135, 370–371.