K Katayama

Summary

Affiliation: Nagoya University
Country: Japan

Publications

  1. doi request reprint Hypoxic effects on sympathetic vasomotor outflow and blood pressure during exercise with inspiratory resistance
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, 464 8601, Japan
    Am J Physiol Regul Integr Comp Physiol 304:R374-82. 2013
  2. doi request reprint The effect of acute exercise in hypoxia on flow-mediated vasodilation
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Furocho Chikusaku, Nagoya, Japan
    Eur J Appl Physiol 113:349-57. 2013
  3. doi request reprint Inspiratory muscle fatigue increases sympathetic vasomotor outflow and blood pressure during submaximal exercise
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
    Am J Physiol Regul Integr Comp Physiol 302:R1167-75. 2012
  4. ncbi request reprint Effect of intermittent hypoxia on oxygen uptake during submaximal exercise in endurance athletes
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya 464 8601, Japan
    Eur J Appl Physiol 92:75-83. 2004
  5. ncbi request reprint Ventilatory and cardiovascular responses to hypercapnia after 20 days of head-down bed rest
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
    Aviat Space Environ Med 75:312-6. 2004
  6. ncbi request reprint Acceleration with exercise during head-down bed rest preserves upright exercise responses
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya 464 8601, Japan
    Aviat Space Environ Med 75:1029-35. 2004
  7. ncbi request reprint Changes in ventilatory responses to hypercapnia and hypoxia after intermittent hypoxia in humans
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya 464 8601, Japan
    Respir Physiol Neurobiol 146:55-65. 2005
  8. ncbi request reprint Effect of a repeated series of intermittent hypoxic exposures on ventilatory response in humans
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
    High Alt Med Biol 6:50-9. 2005
  9. ncbi request reprint Effect of arterial oxygenation on quadriceps fatigability during isolated muscle exercise
    Keisho Katayama
    The John Rankin Laboratory of Pulmonary Medicine, Department of Health, University of Wisconsin Madison, 4245 Medical Science Center, 1300 University Ave, Madison, WI 53706, USA
    Am J Physiol Regul Integr Comp Physiol 292:R1279-86. 2007
  10. ncbi request reprint Intermittent hypoxia does not increase exercise ventilation at simulated moderate altitude
    K Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Furocho, Chikusaku, Nagoya 464 8601, Japan
    Int J Sports Med 28:480-7. 2007

Detail Information

Publications45

  1. doi request reprint Hypoxic effects on sympathetic vasomotor outflow and blood pressure during exercise with inspiratory resistance
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, 464 8601, Japan
    Am J Physiol Regul Integr Comp Physiol 304:R374-82. 2013
    ..8 bursts/min, MBP, 123.6 ± 4.5 mmHg). These results suggest that an enhancement of inspiratory muscle activity under hypoxic condition leads to large increases in muscle sympathetic vasomotor outflow and BP during dynamic leg exercise...
  2. doi request reprint The effect of acute exercise in hypoxia on flow-mediated vasodilation
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Furocho Chikusaku, Nagoya, Japan
    Eur J Appl Physiol 113:349-57. 2013
    ..05) higher than after normoxic exercise. These results suggest that aerobic exercise in hypoxia has a significant impact on endothelial-mediated vasodilation...
  3. doi request reprint Inspiratory muscle fatigue increases sympathetic vasomotor outflow and blood pressure during submaximal exercise
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
    Am J Physiol Regul Integr Comp Physiol 302:R1167-75. 2012
    ..2%; DBP, -0.4%, from spontaneous breathing during exercise). These results suggest that inspiratory muscle fatigue induces increases in muscle sympathetic vasomotor outflow and BP during dynamic leg exercise at mild intensity...
  4. ncbi request reprint Effect of intermittent hypoxia on oxygen uptake during submaximal exercise in endurance athletes
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya 464 8601, Japan
    Eur J Appl Physiol 92:75-83. 2004
    ..The results from the present study suggest that the enhanced running economy resulting from intermittent hypoxia could, in part, contribute to improved endurance performance in trained athletes...
  5. ncbi request reprint Ventilatory and cardiovascular responses to hypercapnia after 20 days of head-down bed rest
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
    Aviat Space Environ Med 75:312-6. 2004
    ..The aim of this study was to clarify the influence of prolonged HDBR on ventilatory and cardiovascular responses to hypercapnia...
  6. ncbi request reprint Acceleration with exercise during head-down bed rest preserves upright exercise responses
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya 464 8601, Japan
    Aviat Space Environ Med 75:1029-35. 2004
    ..e., prolonged head-down bed rest (HDBR), on respiratory and cardiovascular responses to upright exercise...
  7. ncbi request reprint Changes in ventilatory responses to hypercapnia and hypoxia after intermittent hypoxia in humans
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya 464 8601, Japan
    Respir Physiol Neurobiol 146:55-65. 2005
    ....
  8. ncbi request reprint Effect of a repeated series of intermittent hypoxic exposures on ventilatory response in humans
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
    High Alt Med Biol 6:50-9. 2005
    ..These results suggest that humans who have had previous hypoxic exposure adapt sooner to hypoxic condition due to an increase in the magnitude of hyperventilation in the first few days of a series of reexposures to hypoxia...
  9. ncbi request reprint Effect of arterial oxygenation on quadriceps fatigability during isolated muscle exercise
    Keisho Katayama
    The John Rankin Laboratory of Pulmonary Medicine, Department of Health, University of Wisconsin Madison, 4245 Medical Science Center, 1300 University Ave, Madison, WI 53706, USA
    Am J Physiol Regul Integr Comp Physiol 292:R1279-86. 2007
    ..2%) or hyperoxia (6.7%). These results demonstrate that quadriceps muscle fatigability during isolated muscle exercise is exacerbated in acute hypoxia, and these effects are independent of the relative exercise intensity...
  10. ncbi request reprint Intermittent hypoxia does not increase exercise ventilation at simulated moderate altitude
    K Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Furocho, Chikusaku, Nagoya 464 8601, Japan
    Int J Sports Med 28:480-7. 2007
    ..These results suggest that the change in resting hypoxic chemosensitivity after short-term intermittent hypoxia does not affect ventilation during exercise at moderate altitude...
  11. doi request reprint Effect of two durations of short-term intermittent hypoxia on ventilatory chemosensitivity in humans
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Graduate School of Education and Human Development, Nagoya University, Furocho, Chikusaku, Nagoya, 464 8601, Japan
    Eur J Appl Physiol 105:815-21. 2009
    ..These results suggest that 1 h of daily exposure is as equally effective as 3 h of daily exposure to severe hypoxia for a short period for enhancing ventilatory chemosensitivity to hypoxia...
  12. doi request reprint Muscle deoxygenation during sustained and intermittent isometric exercise in hypoxia
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Japan
    Med Sci Sports Exerc 42:1269-78. 2010
    ..Therefore, we hypothesized that the difference in muscle deoxygenation between normoxia and hypoxia would be small during sustained exercise compared with intermittent exercise and that this may contribute to the inconsistent findings...
  13. doi request reprint Hypoxia augments muscle sympathetic neural response to leg cycling
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
    Am J Physiol Regul Integr Comp Physiol 301:R456-64. 2011
    ..They also suggest that the MSNA response during dynamic exercise in hypoxia could be different from the change in plasma NE concentrations...
  14. ncbi request reprint Intermittent hypoxia improves endurance performance and submaximal exercise efficiency
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya 464 8601, Japan
    High Alt Med Biol 4:291-304. 2003
    ....
  15. ncbi request reprint Effect of intermittent hypoxia on cardiovascular adaptations and response to progressive hypoxia in humans
    K Katayama
    Japan Society for the Promotion of Science, Nagoya University, Nagoya 464 8601, Japan
    High Alt Med Biol 2:501-8. 2001
    ....
  16. doi request reprint Substrate utilization during exercise and recovery at moderate altitude
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
    Metabolism 59:959-66. 2010
    ..It is also suggested that moderate hypoxia influences the changes in circulating metabolites and hormones in terms of substrate metabolism during exercise and the recovery...
  17. ncbi request reprint Enhanced chemosensitivity after intermittent hypoxic exposure does not affect exercise ventilation at sea level
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Japan
    Eur J Appl Physiol 87:187-91. 2002
    ..These results suggest that the changes in resting hypoxic and peripheral hypercapnic chemosensitivities following short-term intermittent hypoxia have little effect on exercise ventilation at sea level...
  18. ncbi request reprint Intermittent hypoxia increases ventilation and Sa(O2) during hypoxic exercise and hypoxic chemosensitivity
    K Katayama
    Research Center of Health, Physical Fitness and Sports, Research Institute of Environmental Medicine, Nagoya University, Nagoya 464-8601, Japan
    J Appl Physiol 90:1431-40. 2001
    ....
  19. ncbi request reprint Ventilatory chemosensitive adaptations to intermittent hypoxic exposure with endurance training and detraining
    K Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya 464 8601, Japan
    J Appl Physiol 86:1805-11. 1999
    ..After detraining, HVR returned to the pretraining level in both groups. These results suggest that ventilatory chemosensitivity to hypoxia is more variable by endurance training and detraining than that to hypercapnia...
  20. ncbi request reprint Cardiovascular response to hypoxia after endurance training at altitude and sea level and after detraining
    K Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya 464 8601, Japan
    J Appl Physiol 88:1221-7. 2000
    ..It also suggests that there is an interaction between the changes in DeltaSBP/DeltaSa(O(2)) and HVR after endurance training or detraining...
  21. doi request reprint Effects of deconditioning on the initial ventilatory and circulatory responses at the onset of exercise in man
    K Ishida
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
    Adv Exp Med Biol 669:319-22. 2010
    ..Initial ventilatory and heart rate responses to voluntary exercise were attenuated after bed rest but showed no change after suspension or during passive movements, suggesting the minimal role of peripheral neural reflex...
  22. ncbi request reprint Ventilatory and circulatory responses at the onset of voluntary exercise and passive movement in children
    Y Sato
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Japan
    Eur J Appl Physiol 83:516-23. 2000
    ..These results suggest that the cardiorespiratory responses at the onset of voluntary exercise and passive movement may be modified during the growth process...
  23. ncbi request reprint Initial ventilatory and circulatory responses to dynamic exercise are slowed in the elderly
    K Ishida
    Laboratory for Exercise Physiology, Research Center of Health, Physical Fitness and Sports, Japan
    J Appl Physiol 89:1771-7. 2000
    ..Similar tendencies were observed in the passive movements. It is concluded that the elderly show slower ventilatory response and attenuated circulatory response at the onset of dynamic voluntary exercise and passive movements...
  24. ncbi request reprint The effect of the amount of eccentric exercise on ventilatory response at the onset of exercise
    Norio Hotta
    Graduate School of Medicine, Nagoya University, Nagoya, Japan
    J Physiol Sci 57:193-7. 2007
    ....
  25. ncbi request reprint Cycle ergometer exercise to counteract muscle atrophy during unilateral lower limb suspension
    Hiroshi Akima
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya City, Aichi Prefecture, Japan
    Aviat Space Environ Med 80:652-6. 2009
    ..We investigated whether intense interval training on a cycle ergometer would prevent muscle changes during unilateral lower limb suspension (ULLS)...
  26. ncbi request reprint Endurance exercise training increases peripheral vascular response in human fingers
    K Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Chikusa ku, Nagoya, 464 8601, Japan
    Jpn J Physiol 48:365-71. 1998
    ..Therefore these results suggest that endurance exercise training induces an increase in peripheral vascular response to alteration of transmural pressure in the human finger...
  27. ncbi request reprint Effect of menstrual cycle and gender on ventilatory and heart rate responses at the onset of exercise
    Hiroshi Matsuo
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Furo cho, Chikusa ku, 464 8601 Nagoya City, Japan
    Eur J Appl Physiol 90:100-8. 2003
    ..We conclude that ventilatory and HR responses at the onset of voluntary exercise and passive movement are not affected by the menstrual cycle or gender...
  28. doi request reprint Electromyographic analysis of hip adductor muscles during incremental fatiguing pedaling exercise
    Kohei Watanabe
    Graduate School of Education and Human Development, Nagoya University, 1 Furo, Chikusa, Nagoya Aichi, 464 8601, Japan
    Eur J Appl Physiol 106:815-25. 2009
    ..We concluded that AM and AL muscles were gradually recruited over time during fatiguing pedaling exercise, but their temporal change and activation phases were not completely the same...
  29. ncbi request reprint Chronic intermittent hypoxia increases the CO2 reserve in sleeping dogs
    Keisho Katayama
    The John Rankin Laboratory of Pulmonary Medicine, Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin, Madison, WI 53706, USA
    J Appl Physiol 103:1942-9. 2007
    ..We conclude that 3-wk CIH reduced the sensitivity of the ventilatory response to transient hypocapnia and thereby increased the CO(2) reserve, i.e., the propensity for apnea was reduced...
  30. ncbi request reprint Cardiorespiratory responses to hypoxia and hypercapnia at rest in vocalists
    Miharu Miyamura
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, 464 8601 Japan
    Jpn J Physiol 53:17-24. 2003
    ....
  31. ncbi request reprint Ventilatory and circulatory responses at the onset of voluntary exercise and passive movement in sprinters
    Kohei Sato
    Graduate School of Medicine, Nagoya University, Nagoya, Japan
    Eur J Appl Physiol 92:196-203. 2004
    ..It is concluded that sprinters show slowed heart rate response at the onset of voluntary exercise, and attenuated ventilatory and slowed heart rate responses at the onset of passive movement as compared with untrained subjects...
  32. ncbi request reprint Ventilatory and circulatory responses at the onset of dominant and non-dominant limb exercise
    Norio Hotta
    Graduate School of Medicine, Nagoya University, Nagoya, Japan
    Eur J Appl Physiol 101:347-58. 2007
    ....
  33. ncbi request reprint Is man able to breathe once a minute for an hour?: the effect of yoga respiration on blood gases
    Miharu Miyamura
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya 464 8601, Japan
    Jpn J Physiol 52:313-6. 2002
    ..The results suggest that lower chemosensitivity to hypercapnia in yoga practitioners may be due to an adaptation to low arterial pH and high PaCO2 for long periods...
  34. ncbi request reprint Cross education of muscular strength during unilateral resistance training and detraining
    Norihiro Shima
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Japan
    Eur J Appl Physiol 86:287-94. 2002
    ..These results suggest that the mechanisms underlying cross education of muscular strength may be explained by central neural factors during training, but not solely so during detraining...
  35. ncbi request reprint Vestibulo-cardiorespiratory responses at the onset of chair rotation in endurance runners
    Kohei Sato
    Graduate School of Medicine, Nagoya University, Nagoya, Japan
    Jpn J Physiol 55:11-8. 2005
    ..The results from the present study suggest that an increase in vestibulo-ventilatory response would be attributed to an adaptation to long-term endurance training...
  36. ncbi request reprint Oxygen uptake kinetics following 20 days of unilateral lower limb suspension
    Norio Hotta
    Graduate School of Medicine, Nagoya University, Nagoya, Japan
    J Physiol Sci 56:347-53. 2006
    ..It is suggested that deconditioning as a result of limb disuse affects oxygen uptake response...
  37. ncbi request reprint Ventilatory and circulatory responses at the onset of exercise after eccentric exercise
    Norio Hotta
    Graduate School of Medicine, Nagoya University, Nagoya, Japan
    Eur J Appl Physiol 97:598-606. 2006
    ....
  38. ncbi request reprint Intensive cycle training with artificial gravity maintains muscle size during bed rest
    Hiroshi Akima
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Aichi, Japan
    Aviat Space Environ Med 76:923-9. 2005
    ..The present study aimed to investigate the effect of intensive cycle training with short-arm centrifuge-induced hypergravity during bed rest on muscle size and function...
  39. doi request reprint The respiratory response to passive and active arm movements is enhanced in delayed onset muscle soreness
    Norio Hotta
    Research Institute of Environmental Medicine, Nagoya University, Nagoya, Japan
    Eur J Appl Physiol 105:483-91. 2009
    ..It was concluded that initial hyperpnea, which occurred during arm exercise in DOMS, was enhanced, and from examining the result of PAS, enhanced initial exercise hyperpnea may be due in part to an exaggerated peripheral neural reflex...
  40. ncbi request reprint Effects of intermittent hypoxic training and detraining on ventilatory chemosensitive adaptations in endurance athletes
    Keisho Katayama
    Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
    Adv Exp Med Biol 551:299-304. 2004
  41. ncbi request reprint Comments on Point:Counterpoint "Positive effects of intermittent hypoxia (live high:train low) on exercise performance are/are not mediated primarily by augmented red cell volume"
    Keisho Katayama
    J Appl Physiol 99:2460. 2005
  42. ncbi request reprint Effect of centrifuge-induced artificial gravity and ergometric exercise on cardiovascular deconditioning, myatrophy, and osteoporosis induced by a -6 degrees head-down bedrest
    Satoshi Iwase
    Dept Physiol II, Aichi Med Univ, Aichi, Japan
    J Gravit Physiol 11:P243-4. 2004
    ..The combination of high/low G-load with low/high intensity exercise will determine the optimal protocol for prevention of cardiovascular deconditioning, myatrophy, and osteoporosis...
  43. ncbi request reprint Ventilatory and heart rate responses at the onset of chair rotation in man
    Miharu Miyamura
    The Faculty of Wellness, Tokai Gakuen University, Nagoya 468 8514, Japan
    Jpn J Physiol 54:499-503. 2004
    ..These results suggest that the activation of horizontal semicircular canals is one causal factor of ventilatory response at the onset of exercise with rotational movement in healthy subjects, but heart rate response is not...
  44. ncbi request reprint Effect of cycling experience and pedal cadence on the near-infrared spectroscopy parameters
    Tetsuo Takaishi
    Institute of Natural Sciences, Nagoya City University, Mizuho ku, Nagoya 467 8501, Japan
    Med Sci Sports Exerc 34:2062-71. 2002
    ..To examine further applicability of this method, we investigated the effects of cycling experience and pedal cadence on the NIRS parameters...
  45. ncbi request reprint Changes in blood volume and oxygenation level in a working muscle during a crank cycle
    Tetsuo Takaishi
    Institute of Natural Sciences, Nagoya City University, Nagoya 467 8501, Japan
    Med Sci Sports Exerc 34:520-8; discussion 529. 2002
    ..This study examined circulatory and metabolic changes in a working muscle during a crank cycle in a pedaling exercise with near-infrared spectroscopy (NIRS)...