Research Topics
| F YasumaSummaryCountry: Japan Publications
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Detail Information
Publications
Assessment of pulse rate variability by the method of pulse frequency demodulationJunichiro Hayano
Core Laboratory, Nagoya City University Graduate School of Medical Sciences, Nagoya 467 8601, Japan
Biomed Eng Online 4:62. 2005..Here we report a pulse frequency demodulation (PFDM) technique as a method for extracting instantaneous pulse rate function directly from pulse wave signal and its usefulness for assessing pulse rate variability (PRV)...
Impact of acute hypoxia on heart rate and blood pressure variability in conscious dogsF Yasuma
First Department of Internal Medicine, Nagoya University School of Medicine, Nagoya 466 8550, Japan
Am J Physiol Heart Circ Physiol 279:H2344-9. 2000....
Augmentation of respiratory sinus arrhythmia in response to progressive hypercapnia in conscious dogsF Yasuma
First Department of Internal Medicine, Nagoya University School of Medicine, Nagoya 466 8550, Japan
Am J Physiol Heart Circ Physiol 280:H2336-41. 2001....
Row-a-boat phenomenon: respiratory compensation in advanced Duchenne muscular dystrophyF Yasuma
Department of Internal Medicine, Suzuka National Hospital, Suzuka, Japan
Chest 119:1836-9. 2001..However, the role of RBP has not been clarified...
Differential effects of hypoxia and hypercapnia on respiratory sinus arrhythmia in conscious dogsF Yasuma
First Department of Internal Medicine, Nagoya University School of Medicine, Japan
Jpn Circ J 65:738-42. 2001..The different effects of the two respiratory stimuli on RSA magnitude were noted at any level of ventilation and support the original hypothesis...
Cheyne-Stokes respiration in congestive heart failure: continuous positive airway pressure of 5-8 cm H2O for 1 year in five casesFumihiko Yasuma
Department of Internal Medicine, Suzuka National Hospital, Suzuka, Japan
Respiration 72:198-201. 2005....
Respiratory sinus arrhythmia: why does the heartbeat synchronize with respiratory rhythm?Fumihiko Yasuma
Department of Internal Medicine, Suzuka National Hospital, 3 2 1 Kasado, Suzuka 513 8501, Japan
Chest 125:683-90. 2004..RSA or heart rate variability in synchrony with respiration is a biological phenomenon, which may have a positive influence on gas exchange at the level of the lung via efficient ventilation/perfusion matching...
Long-term treatment of ischemic dilated cardiomyopathy with continuous positive airway pressureF Yasuma
Department of Internal Medicine, Suzuka National Hospital, Mie
Intern Med 40:1121-7. 2001..Long-term CPAP treatment, which is rarely applied for congestive heart failure in Japan, is useful in alleviating the adverse effects of CSR and, thereby, maintaining a good quality of life in these patients...
Changes in chemosensitivity with continuous positive airway pressure of 5 cm H2O for cheyne-stokes respiration in congestive heart failureFumihiko Yasuma
Respiration 74:475-7. 2007
Dilated cardiomyopathy in Kugelberg-Welander disease: coexisting sleep disordered breathing and its treatment with continuous positive airway pressureFumihiko Yasuma
Department of Internal Medicine, Suzuka National Hospital, 3-2-1 Kasado, Suzuka, Mie 513-8501
Intern Med 43:951-4. 2004..Considering the paucity of therapeutic options in most degenerative neuromuscular disorders, ameliorations in not only sleep quality but also cardiac function with continuous positive airway pressure have clinical implications...
Hypothesis: respiratory sinus arrhythmia is an intrinsic resting function of cardiopulmonary systemJunichiro Hayano
Department of Internal Medicine and Pathophysiology, Nagoya City University Graduate School of Medical Sciences, Japan
Cardiovasc Res 58:1-9. 2003..Our hypothesis seems more consistent with both physiological and clinical evidence about RSA than that presuming RSA is an index of cardiac vagal activity...
[Selective volitional respiration control loss (inverse Ondiene's curse syndrome) in amyotrophic lateral sclerosis]Masaaki Konagaya
Department of Neurology, Suzuka National Hospital, 3 2 1 Kasado, Suzuka, Mie 513 8501, Japan
No To Shinkei 56:685-8. 2004..Positive reaction of respiration to hypercapnia was observed. Then, it seemed to be preserved respiratory neurons in the medulla oblongata and bulbospinal tract, and remarkable impairement of the corticospinal tract...
Impact of real-world stress on cardiorespiratory resting function during sleep in daily lifeMasahito Sakakibara
Department of Humanities, Tokai Gakuen University, Nagoya, Japan
Psychophysiology 45:667-70. 2008..Among college students, anxiety about college examinations may be accompanied by suppression of the cardiorespiratory resting function during sleep...
Effects of nasal surgery on sleep quality in obstructive sleep apnea syndrome with nasal obstructionSeiichi Nakata
Department of Otorhinolaryngology, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
Am J Rhinol 22:59-63. 2008..A prospective study was performed in OSAS patients who underwent isolated nasal surgery in a tertiary referral center...
Continuous positive airway pressure improves daytime baroreflex sensitivity and nitric oxide production in patients with moderate to severe obstructive sleep apnea syndromeAkiko Noda
Nagoya University School of Health Sciences, Nagoya, Japan
Hypertens Res 30:669-76. 2007..CPAP may therefore reduce the risk of cardiovascular complications due to endothelial dysfunction or increased sympathetic activity...
[Effects of continuous positive airway pressure on Cheyne-Stokes breathing in congestive heart failure]Fumihiko Yasuma
Department of Internal Medicine, Suzuka National Hospital, 3-2-1 Kasado, Suzuka, 513-8501, Japan
Nihon Kokyuki Gakkai Zasshi 40:801-5. 2002..05). We conclude that CPAP is an effective treatment for CHF with Cheyne-Stokes breathing, improving sleep disordered breathing, sleep quality and cardiac function, and providing a new non-pharmacological approach for CHF...
Long-term efficacy of acetazolamide on Cheyne-Stokes respiration in congestive heart failureFumihiko Yasuma
Am J Respir Crit Care Med 174:479; author reply 479-80. 2006
Should cardiologists treat Cheyne-Stokes respiration and congestive heart failure with oxygen, bi-level/continuous positive airway pressures or drugs alone?Fumihiko Yasuma
Circ J 70:802; author reply 803. 2006
REM sleep is impaired by a small amount of alcohol in young women sensitive to alcoholSeiko Miyata
Department of Pathophysiological Laboratory Sciences Nagoya University Graduate School of Medicine, 1-1-20 Daiko Minami, Higashi, Nagoya, Aichi 461-8673
Intern Med 43:679-84. 2004..CONCLUSION: REM sleep was adversely affected by a small amount of alcohol in alcohol-sensitive healthy young women. Alcohol sensitivity might play some important role in impaired REM sleep by an ingestion of a small amount of alcohol...
Aortic pressure augmentation as a marker of cardiovascular risk in obstructive sleep apnea syndromeAkiko Noda
Nagoya University School of Health Sciences, Higashi kuNagoya, Japan
Hypertens Res 31:1109-14. 2008..109, r=0.530, p<0.001). OSAS may thus have an adverse effect on vascular function that can be ameliorated by appropriate treatment...
