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O Kawaguchi

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Toshiaki Shishido; Masaru Sugimachi; O Kawaguchi; H Miyano; Toru Kawada; W Matsuura; Ikeda Yasuhiro; Kenji Sunagawa
Novel method to estimate ventricular contractility using intraventricular pulse wave velocity.
Toru Kawada; Ikeda Yasuhiro; Hiroshi Takaki; Masaru Sugimachi; O Kawaguchi; Toshiaki Shishido; Takayuki Sato; W Matsuura; H Miyano; Kenji Sunagawa
Development of a servo-controller of heart rate using a cycle ergometer.
Toshiaki Shishido; Masaru Sugimachi; O Kawaguchi; H Miyano; Toru Kawada; W Matsuura; Ikeda Yasuhiro; Takayuki Sato; Joe Alexander; Kenji Sunagawa
A new method to measure regional myocardial time-varying elastance using minute vibration.

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1999: Toshiaki Shishido; Masaru Sugimachi; O Kawaguchi; H Miyano; Toru Kawada; W Matsuura; Ikeda Yasuhiro; Kenji Sunagawa
Novel method to estimate ventricular contractility using intraventricular pulse wave velocity.
The American journal of physiology 1999;277(6 Pt 2):H2409-15.
1999: Toru Kawada; Ikeda Yasuhiro; Hiroshi Takaki; Masaru Sugimachi; O Kawaguchi; Toshiaki Shishido; Takayuki Sato; W Matsuura; H Miyano; Kenji Sunagawa
Development of a servo-controller of heart rate using a cycle ergometer.
Heart and vessels 1999;14(4):177-84.
1998: Toshiaki Shishido; Masaru Sugimachi; O Kawaguchi; H Miyano; Toru Kawada; W Matsuura; Ikeda Yasuhiro; Takayuki Sato; Joe Alexander; Kenji Sunagawa
A new method to measure regional myocardial time-varying elastance using minute vibration.
The American journal of physiology 1998;274(4 Pt 2):H1404-15.
1997: T Takasago; Y Goto; O Kawaguchi; K Hata; A Saeki; TW Taylor; T Nishioka; Hiroyuki Suga
2,3-Butanedione monoxime suppresses excitation-contraction coupling in the canine blood-perfused left ventricle.
The Japanese journal of physiology 1997;47(2):205-15.
1996: Ikeda Yasuhiro; Toru Kawada; Masaru Sugimachi; O Kawaguchi; Toshiaki Shishido; Takayuki Sato; H Miyano; W Matsuura; Joe Alexander; Kenji Sunagawa
Neural arc of baroreflex optimizes dynamic pressure regulation in achieving both stability and quickness.
The American journal of physiology 1996;271(3 Pt 2):H882-90.
1996: Toru Kawada; Ikeda Yasuhiro; Masaru Sugimachi; Toshiaki Shishido; O Kawaguchi; T Yamazaki; Joe Alexander; Kenji Sunagawa
Bidirectional augmentation of heart rate regulation by autonomic nervous system in rabbits.
The American journal of physiology 1996;271(1 Pt 2):H288-95.
1995: Ikeda Yasuhiro; Masaru Sugimachi; T Yamasaki; O Kawaguchi; Toshiaki Shishido; Toru Kawada; Joe Alexander; Kenji Sunagawa
Explorations into development of a neurally regulated cardiac pacemaker.
The American journal of physiology 1995;269(6 Pt 2):H2141-6.
1994: O Kawaguchi; Y Goto; S Futaki; Y Ohgoshi; H Yaku; H Suga
The effects of dynamic cardiac compression on ventricular mechanics and energetics. Role of ventricular size and contractility.
The Journal of thoracic and cardiovascular surgery 1994;107(3):850-9.
1994: K Hata; Y Goto; O Kawaguchi; T Takasago; A Saeki; T Nishioka; H Suga
Hypercapnic acidosis increases oxygen cost of contractility in the dog left ventricle.
The American journal of physiology 1994;266(2 Pt 2):H730-40.
1993: O Kawaguchi; Y Goto; S Futaki; Y Ohgoshi; H Yaku; K Hata; T Takasago; A Saeki; H Suga
Ejecting deactivation does not affect O2 consumption-pressure-volume area relation in dog hearts.
The American journal of physiology 1993;265(3 Pt 2):H934-42.
1993: T Takasago; Y Goto; O Kawaguchi; K Hata; A Saeki; T Nishioka; H Suga
Ryanodine wastes oxygen consumption for Ca2+ handling in the dog heart. A new pathological heart model.
The Journal of clinical investigation 1993;92(2):823-30.
1993: H Yaku; Y Goto; Y Ohgoshi; O Kawaguchi; K Oga; T Oka; H Suga
Determinants of myocardial oxygen consumption in fibrillating dog hearts. Comparison between normothermia and hypothermia.
The Journal of thoracic and cardiovascular surgery 1993;105(4):679-88.
1993: H Suga; Y Goto; O Kawaguchi; K Hata; T Takasago; A Saeki; TW Taylor
Ventricular perspective on efficiency.
Basic research in cardiology 1993;88 Suppl 2():43-65.
1992: K Hata; Y Goto; S Futaki; Y Ohgoshi; H Yaku; O Kawaguchi; T Takasago; A Saeki; TW Taylor; T Nishioka
Mechanoenergetic effects of pimobendan in canine left ventricles. Comparison with dobutamine.
Circulation 1992;86(4):1291-301.
1992: H Yaku; Y Goto; S Futaki; Y Ohgoshi; O Kawaguchi; H Suga
Myocardial oxygen consumption of fibrillating ventricle in hypothermia. Successful account by new mechanical indexes--equivalent pressure-volume area and equivalent heart rate.
The Journal of thoracic and cardiovascular surgery 1992;104(2):364-73.
1992: Y Goto; S Futaki; O Kawaguchi; K Hata; T Takasago; A Saeki; T Nishioka; H Suga
Left ventricular contractility and energetic cost in disease models--an approach from the pressure-volume diagram.
Japanese circulation journal 1992;56(7):716-21.
1992: H Yaku; Y Goto; S Futaki; Y Ohgoshi; O Kawaguchi; K Hata; T Takasago; H Suga
Comparable efficiencies of chemomechanical energy transduction between beating and fibrillating dog hearts.
The American journal of physiology 1992;262(6 Pt 2):H1734-43.
1992: O Kawaguchi; Y Goto; S Futaki; Y Ohgoshi; H Yaku; H Suga
Mechanical enhancement and myocardial oxygen saving by synchronized dynamic left ventricular compression.
The Journal of thoracic and cardiovascular surgery 1992;103(3):573-81.
1992: H Yaku; Y Goto; S Futaki; Y Ohgoshi; O Kawaguchi; H Suga
Ventricular fibrillation does not depress postfibrillatory contractility in blood-perfused dog hearts.
The Journal of thoracic and cardiovascular surgery 1992;103(3):514-20.
1992: H Yaku; Y Goto; S Futaki; Y Ohgoshi; O Kawaguchi; K Hata; T Takasago; H Suga
Energetics of the fibrillating ventricle.
Frontiers of medical and biological engineering : the international journal of the Japan Society of Medical Electronics and Biological Engineering 1992;4(2):87-93.
1992: Y Ohgoshi; Y Goto; O Kawaguchi; H Yaku; H Takaoka; K Hata; T Takasago; H Suga
Epinephrine and calcium have similar oxygen costs of contractility.
Heart and vessels 1992;7(3):123-32.
1992: T Takasago; Y Goto; S Futaki; Y Ohgoshi; H Yaku; O Kawaguchi; K Hata; A Saeki; TW Taylor; T Nishioka
Ejecting volume, filling volume and stroke volume gains: new indexes of inotropism and lusitropism.
Heart and vessels 1992;7(2):57-65.
1991: H Yaku; Y Goto; S Futaki; Y Ohgoshi; O Kawaguchi; H Suga
Equivalent pressure-volume area accounts for oxygen consumption of fibrillating heart.
The American journal of physiology 1991;261(5 Pt 2):H1534-44.
1991: Y Ohgoshi; Y Goto; S Futaki; H Taku; O Kawaguchi; H Suga
Increased oxygen cost of contractility in stunned myocardium of dog.
Circulation research 1991;69(4):975-88.
1991: S Futaki; Y Goto; Y Ohgoshi; H Yaku; O Kawaguchi; H Suga
Denopamine (beta 1-selective adrenergic receptor agonist) and isoproterenol (non-selective beta-adrenergic receptor agonist) equally increase heart rate and myocardial oxygen consumption in dog heart.
Japanese circulation journal 1991;55(10):972-82.
1991: H Suga; Y Goto; S Futaki; O Kawaguchi; H Yaku; K Hata; T Takasago
Systolic pressure-volume area (PVA) as the energy of contraction in Starling's law of the heart.
Heart and vessels 1991;6(2):65-70.
1991: H Suga; Y Goto; S Futaki; O Kawaguchi; H Yaku; K Hata; T Takasago
Calcium kinetics and energetics in myocardium. Simulation study.
Japanese heart journal 1991;32(1):57-67.
1991: H Yaku; Y Goto; S Futaki; Y Ohgoshi; O Kawaguchi; H Suga
Multicompartment model for mechanics and energetics of fibrillating ventricle.
The American journal of physiology 1991;260(1 Pt 2):H292-9.
1991: H Yaku; Y Goto; S Futaki; Y Ohgoshi; O Kawaguchi; K Hata; T Takasago; H Suga
Equivalent heart rate during ventricular fibrillation in the dog heart: mechanoenergetic analysis.
The Japanese journal of physiology 1991;41(6):945-59.
1990: H Suga; Y Goto; H Yaku; S Futaki; Y Ohgoshi; O Kawaguchi
Simulation of mechanoenergetics of asynchronously contracting ventricle.
The American journal of physiology 1990;259(5 Pt 2):R1075-82.
1990: Y Ohgoshi; Y Goto; S Futaki; H Yaku; O Kawaguchi; H Suga
New method to determine oxygen cost for contractility.
The Japanese journal of physiology 1990;40(1):127-38.
1990: Y Goto; S Futaki; Y Ohgoshi; H Yaku; O Kawaguchi; H Suga
Assessment of left ventricular regional work under ischemia.
Frontiers of medical and biological engineering : the international journal of the Japan Society of Medical Electronics and Biological Engineering 1990;2(3):201-5.
1990: S Futaki; Y Goto; Y Ohgoshi; H Yaku; O Kawaguchi; H Takaoka; H Suga
Comparison between Bretschneider's total myocardial energy demand (Et) and our total mechanical energy (PVA) as a predictor of cardiac oxygen consumption in dogs.
The Japanese journal of physiology 1990;40(6):809-25.