Kyushu University Academic Staff Educational and Research Activities Database
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Toru Maruyama Last modified date:2021.10.22

Professor / Institute of Health Science, Kyushu University
Counseling and Health Center

Graduate School
Other Organization
Administration Post

 Reseacher Profiling Tool Kyushu University Pure
Center for Health Science and Counseling (CHC), Kyushu University .
Academic Degree
Country of degree conferring institution (Overseas)
Yes Doctor
Field of Specialization
Health Science, Internal Medicine, Cardiology
Total Priod of education and research career in the foreign country
Outline Activities
1990-1991: Lecturer, Oita Medical College新型
1991-1992: Lecturer, Institute of Biomedical Regulation (Beppu), Kyushu University
1992-2000: Lecturer, Department of Medicine, Kyushu University
2000-2012: Associate Professor, Institute of Health Science, Kysuhu University
2013-2017: Professor, Faculty of Arts and Science, Kyushu University
2018- Chairman, Professor, Campuc-Life Health Center, Kyushu University
Research Interests
  • Non-invasive vital monitoring in patients with asymptomatic atrial fibrillation
    Analysis of deformability in erythrocytes obtained from patients with cardiovascular diseases
    keyword : arrhythmia, human erythrocytes, deformability
  • Internal Medicine, Cardilogy, Health science, Circulatory Physiology, Arrhythmology, Hemorheology
    keyword : electrophysiology, circulatory physiology, arrhythmia, cardiovascular medicine
    1990.04~2022.03Main research fields include cardiac electrophysiology, hemodynamics and exercise- and sress-induced adaptation of circulatory and cardiac performance..
Academic Activities
1. Maruyama T, Fukata M, Fujino T, Physiological and pathophysiological significance of erythrocyte senescence, density and deformability: Important but unnoticed trinity, J Biorheol 2020; 34: 61-70., 2020.12.
1. Maruyama T, Yamamoto N, Kajitani K, Tsuchimoto R, Masaki Y, Nagano J, Irie M, Ichimiya A, Yamamoto K, Uezono K , Correlations between Anthropometrics and Electrocardiographic Variables in Japanese University Students: Investigation by Annual Health Screening

, Cardiology and Angiology: An International Journal 2017; 6: 1-12 , 2018.05.
2. Toru Maruyama, Depressive symptoms and overwork among physicians employed at university hospital in Japan., J Health Soc Sci, 2, 3, 243-256, 2017.03.
3. Maruyama T, Kishikawa T, Ito H, Kaji Y, Sasaki Y, Ishihara Y:, Augmentation of pulmonary vein backflow velocity during left atrial contraction: A novel phenomenon responsible for progression of atrial fibrillation in hypertensive patients., Cardiology, 109, 33-40, 2008.09.
4. Yasuda Y, Maruyama T, Nakamura H, Arita T, Ueda N, Harada M, Pathophysiological basis for monitoring of whole heart conductance by 2-lead system., Circ J, 70, 4, 495-501, 2006.04.
5. Yanagi N, Maruyama T, Arita M, Kaji Y, Niho Y., Alterations in electrical and mechanical activity in Langendorff-perfused guinea pig hearts exposed to decreased external sodium concentration with or without hypotonic insult., Pathophysiology, volume 7: page 251-261, 2001.01.
6. Shimoike E, Kaji Y, Ueda N, Maruyama T, Kanaya S, Niho Y., In vivo and in vitro study of radiofrequency application using a new long linear probe: Implication for the maze operation., Journal of Thoracic and Cardiovascular Surgery, 10.1067/mtc.2000.106985, 120, 1, 164-172, volume 120: page 164-172., 2000.01.
7. Maruyama T, Yanaga T, Makino N., Pacing-induced palmar sweating evaluated by unique hygrometer: Possible implications of sympathetic activation during tachycardia., Clinical Physiology, 10.1046/j.1365-2281.2000.00219.x, 20, 2, 85-88, volume 20: page 85-88., 2000.01.
8. Ejima J, Ijichi T, Ohnishi Y, Maruyama T, Kaji Y, Kanaya S, Fujino T, Uyesaka N, Ohmura T., Relationship of high-density lipoprotein cholesterol and red blood cell filterability: Cross-sectional study of healthy subjects., Clinical Hemorheology and Microcirculation, 22, 1, 1-7, volume 22: page 1-7., 2000.01.
9. Maruyama T, Tajima Y, Kumanomido A, Masutomo K, Adachi M, Hata T, Makino N, Yanaga T., An evaluation of ECG event recording in patients with papitation, using simultaneous 24-h ECG monitoring as a reference., Journal of Ambulatory Monitoring, volume 6: page 187-197., 1993.01.
10. Maruyama T, Cascio WE, Knisley SB, Buchanan JW, Gettes LS., Effects of ryanodine and BAY K 8644 on membrane properties and conduction during simulated ischemia., Ameriacan Journal of Physiology, volume 261: page H2008-H2015., 1991.01.
1. Toru Maruyama, Practical Anticoagulation Stability and CHADS2 Score in Warfarin-Treated Patients with Atrial Fibrillation, 第63回日本不整脈心電学会学術大会, 2016.07.
Membership in Academic Society
  • Japanese Society on Thrombosis and Hemostasis
  • Japanese Heart Rhythm Society
  • Japanese Circulation Society
  • Japanese Society of Physiology
  • Japanese Society of Pathophysiology
  • Japanese Society of Cardiology
  • Japanese Society of Industrial Health
  • Japanese Society of Biorheology
  • Japanese Membrane Society
  • Japanese Society of Diabetology
  • Japanese Society of Clinical Physiology
  • Japanese Society of Clinical Physiology
Professional and Outreach Activities
International Board of Heart Rhythm Examiners (IBHRE) (2008-2018).