Shigehiko Ogoh

Summary

Publications

  1. pmc Acute vascular effects of carbonated warm water lower leg immersion in healthy young adults
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Physiol Rep 4:. 2016
  2. doi request reprint Coupling between arterial and venous cerebral blood flow during postural change
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe, Japan
    Am J Physiol Regul Integr Comp Physiol 311:R1255-R1261. 2016
  3. doi request reprint Effect of an acute increase in central blood volume on cerebral hemodynamics
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Am J Physiol Regul Integr Comp Physiol 309:R902-11. 2015
  4. doi request reprint The effect of an acute increase in central blood volume on the response of cerebral blood flow to acute hypotension
    Shigehiko Ogoh
    Toyo University, Saitama, Japan
    J Appl Physiol (1985) 119:527-33. 2015
  5. doi request reprint Effects of acute hypoxia on cerebrovascular responses to carbon dioxide
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Exp Physiol 99:849-58. 2014
  6. doi request reprint Regional redistribution of blood flow in the external and internal carotid arteries during acute hypotension
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Am J Physiol Regul Integr Comp Physiol 306:R747-51. 2014
  7. pmc Face cooling with mist water increases cerebral blood flow during exercise: effect of changes in facial skin blood flow
    Taiki Miyazawa
    Center for Biomedical Engineering Research, Toyo University Kawagoe, Japan
    Front Physiol 3:308. 2012
  8. doi request reprint Differential effect of sympathetic activation on tissue oxygenation in gastrocnemius and soleus muscles during exercise in humans
    Masahiro Horiuchi
    Department of Biomedical Engineering, Toyo University, Kujirai 2100, Kawagoe City, Saitama 350 8585, Japan
    Exp Physiol 99:348-58. 2014
  9. ncbi request reprint Cerebral hypoperfusion modifies the respiratory chemoreflex during orthostatic stress
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Clin Sci (Lond) 125:37-44. 2013
  10. doi request reprint Effect of acute hypoxia on blood flow in vertebral and internal carotid arteries
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, 2100 Kujirai, Kawagoe shi, Saitama 350 8585, Japan
    Exp Physiol 98:692-8. 2013

Detail Information

Publications32

  1. pmc Acute vascular effects of carbonated warm water lower leg immersion in healthy young adults
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Physiol Rep 4:. 2016
    ..These findings suggest that CO2-rich water-induced large increases in skin blood flow may improve endothelial-mediated vasodilator function while causing less heat stress...
  2. doi request reprint Coupling between arterial and venous cerebral blood flow during postural change
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe, Japan
    Am J Physiol Regul Integr Comp Physiol 311:R1255-R1261. 2016
    ..551, P = 0.004; seated, r = 0.612, P < 0001). These results support that VV compensates for the reduction in IJV blood flow when seated and that VV may influence VA blood flow...
  3. doi request reprint Effect of an acute increase in central blood volume on cerebral hemodynamics
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Am J Physiol Regul Integr Comp Physiol 309:R902-11. 2015
    ....
  4. doi request reprint The effect of an acute increase in central blood volume on the response of cerebral blood flow to acute hypotension
    Shigehiko Ogoh
    Toyo University, Saitama, Japan
    J Appl Physiol (1985) 119:527-33. 2015
    ..574). These findings suggest that an acute change in systemic blood distribution modifies dynamic cerebral autoregulation during acute hypotension. ..
  5. doi request reprint Effects of acute hypoxia on cerebrovascular responses to carbon dioxide
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Exp Physiol 99:849-58. 2014
    ..These effects could limit the degree of hypocapnic vasoconstriction and may help to regulate cerebral blood flow and cerebral O2 homeostasis during acute periods of hypoxia...
  6. doi request reprint Regional redistribution of blood flow in the external and internal carotid arteries during acute hypotension
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Am J Physiol Regul Integr Comp Physiol 306:R747-51. 2014
    ..The peripheral vasculature of the ECA may, thus, be considered an important vascular bed for intracranial cerebral blood flow regulation...
  7. pmc Face cooling with mist water increases cerebral blood flow during exercise: effect of changes in facial skin blood flow
    Taiki Miyazawa
    Center for Biomedical Engineering Research, Toyo University Kawagoe, Japan
    Front Physiol 3:308. 2012
    ..095, P = 0.709). MAP was also increased by FC (Rest, +6.2 ± 1.4 mmHg; Exercise, +4.2 ± 1.2 mmHg). These findings suggest that the FC-induced increase in CBF during exercise could not be explained only by change in SkBF(face)...
  8. doi request reprint Differential effect of sympathetic activation on tissue oxygenation in gastrocnemius and soleus muscles during exercise in humans
    Masahiro Horiuchi
    Department of Biomedical Engineering, Toyo University, Kujirai 2100, Kawagoe City, Saitama 350 8585, Japan
    Exp Physiol 99:348-58. 2014
    ..Moreover, the blunting of sympathetic vasoconstriction during exercise is strongly related to metabolic demand; an effect that appears independent of fibre type composition...
  9. ncbi request reprint Cerebral hypoperfusion modifies the respiratory chemoreflex during orthostatic stress
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Clin Sci (Lond) 125:37-44. 2013
    ..An orthostatically induced decrease in CBF probably attenuated the ‘washout’ of CO(2) from the brain causing hyperpnoea following activation of the central chemoreflex...
  10. doi request reprint Effect of acute hypoxia on blood flow in vertebral and internal carotid arteries
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, 2100 Kujirai, Kawagoe shi, Saitama 350 8585, Japan
    Exp Physiol 98:692-8. 2013
    ..These findings suggest that acute hypoxia elicits an increase in posterior cerebral blood flow, possibly to maintain essential homeostatic functions of the brainstem...
  11. doi request reprint The effect of phenylephrine on arterial and venous cerebral blood flow in healthy subjects
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Clin Physiol Funct Imaging 31:445-51. 2011
    ....
  12. doi request reprint Limited value of novel pulmonary embolism biomarkers in patients with coronary atherosclerosis
    Henrik Gutte
    Department of Clinical Physiology, Nuclear Medicine and PET, Rigshospitalet, Copenhagen University Hospital
    Clin Physiol Funct Imaging 31:452-7. 2011
    ..Recent research supports the efficacy of various plasma biomarkers in diagnosing pulmonary embolism (PE) including E-selectin, MMP-9, MPO, sVCAM-1, sICAM-1, adiponectin, hs-CRP and tPAI-1...
  13. doi request reprint Kinetics of exercise-induced neural activation; interpretive dilemma of altered cerebral perfusion
    Taiki Miyazawa
    Department of Biomedical Engineering, Toyo University, 2100 Kujirai, Kawagoe shi, Saitama 350 8585, Japan
    Exp Physiol 97:219-27. 2012
    ..These findings highlight the inverse relationship between cerebral blood flow and cerebral oxygenation as determined by NIRS, which has interpretive implications for the kinetics underlying exercise-induced neural activation...
  14. doi request reprint A decrease in spatially resolved near-infrared spectroscopy-determined frontal lobe tissue oxygenation by phenylephrine reflects reduced skin blood flow
    Shigehiko Ogoh
    From the Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama Research Institute of Physical Fitness, Japan Women s College of Physical Education, Tokyo Department of Environmental Physiology for Exercise, Osaka City University Graduate School of Medicine Faculty of Health Sciences, Morinomiya University of Medical Sciences, Osaka, Japan Department of Anesthesia, The Copenhagen Muscle Research Center, University of Copenhagen, Copenhagen, Denmark and Zurich Center for Integrative Human Physiology, University of Zurich, Zurich, Switzerland
    Anesth Analg 118:823-9. 2014
    ..We hypothesized that extracranial vasoconstriction explains the effect of phenylephrine on ScO2...
  15. doi request reprint Near-infrared spectroscopy determined cerebral oxygenation with eliminated skin blood flow in young males
    Ai Hirasawa
    Graduate School of Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    J Clin Monit Comput 30:243-50. 2016
    ..105). These findings suggest that the algorithm with the individual correction factor allows for evaluation of changes in an accurate cerebral oxygenation without influence of extracranial blood flow by NIRS applied to the forehead...
  16. doi request reprint Acute effect of coffee drinking on dynamic cerebral autoregulation
    Hiroyuki Sasaki
    Department of Biomedical Engineering, Toyo University, 2100 Kujirai, Kawagoe, Saitama, 350 8585, Japan
    Eur J Appl Physiol 116:879-84. 2016
    ..However, the effect of coffee drinking on dynamic cerebral blood flow (CBF) regulation remains unclear. The aim of this study was to test our hypothesis that coffee drinking enhances dynamic cerebral autoregulation...
  17. pmc Blood flow distribution during heat stress: cerebral and systemic blood flow
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Saitama, Japan
    J Cereb Blood Flow Metab 33:1915-20. 2013
    ..001). These findings indicate that heat stress modified the effect of Q on blood flows at each artery; the increased Q due to heat stress was redistributed to extracranial vascular beds. ..
  18. doi request reprint Enhanced open-loop but not closed-loop cardiac baroreflex sensitivity during orthostatic stress in humans
    Toshinari Akimoto
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama Japan
    Am J Physiol Regul Integr Comp Physiol 301:R1591-8. 2011
    ..Moreover, under closed-loop conditions, spontaneous baroreflex analyses without external stimulation may not represent open-loop cardiac baroreflex characteristics during orthostatic stress...
  19. doi request reprint Elevated aerobic fitness sustained throughout the adult lifespan is associated with improved cerebral hemodynamics
    Damian M Bailey
    From the Neurovascular Research Laboratory, University of South Wales, UK D M B, C J M, J V B, D H, K J N the Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan S O and the School of Health and Exercise Sciences, University of British Columbia Okanagan, Kelowna, Canada P N A
    Stroke 44:3235-8. 2013
    ..The present study examined to what extent cerebral hemodynamics are improved when training is sustained throughout the adult lifespan...
  20. pmc Influence of baroreflex-mediated tachycardia on the regulation of dynamic cerebral perfusion during acute hypotension in humans
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    J Physiol 588:365-71. 2010
    ..028) and beta-1 adrenergic blockade conditions (P = 0.015), and was related with the attenuated tachycardia response (P = 0.015). These data indicate an important role of the cardiac baroreflex in dynamic CA...
  21. doi request reprint Estimation of cerebral vascular tone during exercise; evaluation by critical closing pressure in humans
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, 2100 Kujirai, Kawagoe shi, Saitama 350 8585, Japan
    Exp Physiol 95:678-85. 2010
    ..564) or adrenaline concentrations (right, P = 0.138; left, P = 0.108). We consider that an exercise-induced increase in cerebral vascular tone serves to protect the blood-brain barrier from the exercise-induced hypertension...
  22. doi request reprint Impact of age on critical closing pressure of the cerebral circulation during dynamic exercise in humans
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, 2100 Kujirai, Kawagoe shi, Saitama 350 8585, Japan
    Exp Physiol 96:417-25. 2011
    ..Thus, ageing is associated with greater increases in cerebral vascular tone during low- and moderate-intensity dynamic exercise...
  23. doi request reprint The effect of oxygen on dynamic cerebral autoregulation: critical role of hypocapnia
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, 2100 Kujirai, Kawagoe shi, Saitama 350 8585, Japan
    J Appl Physiol (1985) 108:538-43. 2010
    ..Because hypocapnia is a consequence of hypoxic-induced chemoreflex activation, it may provide a teleological means to effectively maintain dynamic CA in the face of prevailing arterial hypoxemia...
  24. doi request reprint Dynamic cerebral autoregulation is unrelated to decrease in external carotid artery blood flow during acute hypotension in healthy young men
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Exp Physiol 101:1040-9. 2016
    ..The sympathetic nervous system via the ECA vascular bed does not contribute to dynamic CA during acute hypotension...
  25. doi request reprint Blood flow in internal carotid and vertebral arteries during graded lower body negative pressure in humans
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Saitama, Japan
    Exp Physiol 100:259-66. 2015
    ..These findings provide the possibility that posterior cerebral blood flow decreases only during severe orthostatic stress and is therefore more likely to be linked with orthostatic tolerance...
  26. doi request reprint Dynamic cerebral autoregulation during and after handgrip exercise in humans
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, 2100 Kujirai, Kawagoe shi, Saitama 350 8585, Japan
    J Appl Physiol (1985) 108:1701-5. 2010
    ..737). This finding indicates that static exercise and related elevations in blood pressure do not alter dynamic CA...
  27. doi request reprint Hyperthermia modulates regional differences in cerebral blood flow to changes in CO2
    Shigehiko Ogoh
    Department of Biomedical Engineering, Toyo University, Saitama, Japan
    J Appl Physiol (1985) 117:46-52. 2014
    ..04 ± 1.17 vs. 2.23 ± 1.03%/mmHg; P = 0.039) but that in the ECA was enhanced (0.45 ± 0.47 vs. 0.95 ± 0.61%/mmHg; P = 0.032). These results indicate that hyperthermia is capable of altering dynamic cerebral blood flow regulation. ..
  28. ncbi request reprint Thermodilution-determined Internal Jugular Venous Flow
    Peter Rasmussen
    1Zurich Center of Integrative Human Physiology, University of Zurich, Switzerland 2Institute of Human Movement Sciences and Sport, ETH Zurich, Switzerland 3Medical Intensive Care Unit, University Hospital of Zurich, Switzerland 4Department of Anesthesia, The Copenhagen Muscle Research Center, Rigshospitalet, University of Copenhagen, Denmark 5Department of Biomedical Engineering, Toyo University, Japan 6Research Institute of Physical Fitness, Japan Women s College of Physical Education, Tokyo, Japan
    Med Sci Sports Exerc . 2016
    ..internal jugular venous (IJV) flow and/or that CBF is influenced by posture. Here we test the hypothesis that IJV flow, as determined by retrograde thermodilution increases during exercise when body position is maintained...
  29. doi request reprint Influence of skin blood flow and source-detector distance on near-infrared spectroscopy-determined cerebral oxygenation in humans
    Ai Hirasawa
    Graduate School of Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Clin Physiol Funct Imaging 35:237-44. 2015
    ..Therefore, new algorithms need to be developed for unbiased NIRS detection of cerebral oxygenation. ..
  30. doi request reprint Skin blood flow influences cerebral oxygenation measured by near-infrared spectroscopy during dynamic exercise
    Taiki Miyazawa
    Center for Biomedical Engineering Research, Toyo University, 2100 Kujirai, Kawagoe, Saitama, 350 8585, Japan
    Eur J Appl Physiol 113:2841-8. 2013
    ..To determine the selectivity of NIRS to assess cerebral oxygenation and neural activation during exercise, we examined the influence of changes in forehead skin blood flow (SkBF(head)) on NIRS signals during dynamic exercise...
  31. doi request reprint Cerebral blood flow during exercise: mechanisms of regulation
    Shigehiko Ogoh
    Dept of Biomedical Engineering, Toyo Univ, 2100 Kujirai, Kawagoe shi, Saitama 350 8585, Japan
    J Appl Physiol (1985) 107:1370-80. 2009
    ..In addition, we examine how CBF regulation during exercise is altered by exercise training, hypoxia, and aging and suggest avenues for future research...
  32. doi request reprint Heterogeneous Regulation of Brain Blood Flow during Low-Intensity Resistance Exercise
    A I Hirasawa
    1Advanced Triage Team, Kyorin University, Mitaka shi, Tokyo, JAPAN 2Research Institute of Physical Fitness, Japan Women s College of Physical Education, Setagaya Ku, Tokyo, JAPAN 3Neurovascular Research Laboratory, Faculty of Life Sciences and Education, University of South Wales, Wales, UNITED KINGDOM 4Department of Biomedical Engineering, Faculty of Science and Engineering, Toyo University, Kawagoe shi, Saitama, Japan
    Med Sci Sports Exerc 48:1829-34. 2016
    ..The present study was designed to explore to what extent low-intensity resistance exercise-induced acute hypertension influences intracranial cerebral perfusion...