Masayuki Miyamoto

Summary

Affiliation: Dokkyo University School of Medicine
Country: Japan

Publications

  1. ncbi request reprint Brainstem function in rapid eye movement sleep behavior disorder: the evaluation of brainstem function by proton MR spectroscopy (1H-MRS)
    M Miyamoto
    Department of Neurology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    Psychiatry Clin Neurosci 54:350-1. 2000
  2. doi request reprint The REM sleep behavior disorder screening questionnaire: validation study of a Japanese version
    Tomoyuki Miyamoto
    Department of Neurology, Center of Sleep Medicine, Dokkyo Medical University School of Medicine, Mibu, Tochigi, Japan
    Sleep Med 10:1151-4. 2009
  3. doi request reprint Preclinical substantia nigra dysfunction in rapid eye movement sleep behaviour disorder
    Masayuki Miyamoto
    Department of Neurology, Centre of Sleep Medicine, Dokkyo Medical University School of Medicine, Tochigi, Japan
    Sleep Med 13:102-6. 2012
  4. ncbi request reprint Diurnal variation in daytime sleepiness of patients with sleep apnea syndrome
    Masayuki Miyamoto
    Department of Neurology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    Psychiatry Clin Neurosci 56:319-20. 2002
  5. ncbi request reprint Hypnotic prescriptions in a university hospital: Analysis of data from the computer-ordering system
    Masayuki Miyamoto
    Department of Neurology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    Psychiatry Clin Neurosci 56:305-6. 2002
  6. ncbi request reprint Parasomnia as an occasion for the diagnosis of Parkinson's disease
    M Miyamoto
    Department of Neurology, Dokkyo University School of Medicine, Tochigi, Japan
    Psychiatry Clin Neurosci 55:273-4. 2001
  7. doi request reprint Correlation between depressive symptoms and nocturnal disturbances in Japanese patients with Parkinson's disease
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321 0293, Japan
    Parkinsonism Relat Disord 15:15-9. 2009
  8. doi request reprint Excessive daytime sleepiness and sleep episodes in Japanese patients with Parkinson's disease
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321 0293, Japan
    J Neurol Sci 271:47-52. 2008
  9. ncbi request reprint Snoring is associated with an impaired motor function, disease severity and the quality of life but not with excessive daytime sleepiness in patients with Parkinson's disease
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, Japan
    Intern Med 52:863-9. 2013
  10. pmc Probable rapid eye movement sleep behavior disorder, nocturnal disturbances and quality of life in patients with Parkinson's disease: a case-controlled study using the rapid eye movement sleep behavior disorder screening questionnaire
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321 0293, Japan
    BMC Neurol 13:18. 2013

Collaborators

Detail Information

Publications39

  1. ncbi request reprint Brainstem function in rapid eye movement sleep behavior disorder: the evaluation of brainstem function by proton MR spectroscopy (1H-MRS)
    M Miyamoto
    Department of Neurology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    Psychiatry Clin Neurosci 54:350-1. 2000
    ....
  2. doi request reprint The REM sleep behavior disorder screening questionnaire: validation study of a Japanese version
    Tomoyuki Miyamoto
    Department of Neurology, Center of Sleep Medicine, Dokkyo Medical University School of Medicine, Mibu, Tochigi, Japan
    Sleep Med 10:1151-4. 2009
    ..Detection of RBD using a Japanese version of the RBDSQ would be useful in the stepwise diagnostic process. We investigated the validity and reliability of a Japanese version of this instrument, the RBDSQ-J...
  3. doi request reprint Preclinical substantia nigra dysfunction in rapid eye movement sleep behaviour disorder
    Masayuki Miyamoto
    Department of Neurology, Centre of Sleep Medicine, Dokkyo Medical University School of Medicine, Tochigi, Japan
    Sleep Med 13:102-6. 2012
    ..It is hypothesized that SN hyperechogenicity in healthy subjects and patients with idiopathic rapid eye movement (REM) sleep behaviour disorder (iRBD) patients is a marker of vulnerability for Parkinson's disease...
  4. ncbi request reprint Diurnal variation in daytime sleepiness of patients with sleep apnea syndrome
    Masayuki Miyamoto
    Department of Neurology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    Psychiatry Clin Neurosci 56:319-20. 2002
    ..4 +/- 3.6 min, 4.7 +/- 5.5 min, 5.2 +/- 4.4 min, 5.3 +/- 5.4 min, and 9.3 +/- 7.2 min, respectively (ANOVA, P < 0.05). Daytime sleepiness in patients with SAS was more pronounced in the morning than in the afternoon and evening...
  5. ncbi request reprint Hypnotic prescriptions in a university hospital: Analysis of data from the computer-ordering system
    Masayuki Miyamoto
    Department of Neurology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    Psychiatry Clin Neurosci 56:305-6. 2002
    ..Physicians in all specialty areas tended to prescribe short-acting benzodiazepine hypnotics. The issuance of hypnotic prescriptions should be investigated to determine the prevalence of insomnia in various medical specialties...
  6. ncbi request reprint Parasomnia as an occasion for the diagnosis of Parkinson's disease
    M Miyamoto
    Department of Neurology, Dokkyo University School of Medicine, Tochigi, Japan
    Psychiatry Clin Neurosci 55:273-4. 2001
    ..Thus, we considered that the pathophysiological mechanism of RBD in this case was based not only on the dysfunction of the brainstem mechanism of RWA, but also on the impairment of dopaminergic neuron...
  7. doi request reprint Correlation between depressive symptoms and nocturnal disturbances in Japanese patients with Parkinson's disease
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321 0293, Japan
    Parkinsonism Relat Disord 15:15-9. 2009
    ....
  8. doi request reprint Excessive daytime sleepiness and sleep episodes in Japanese patients with Parkinson's disease
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321 0293, Japan
    J Neurol Sci 271:47-52. 2008
    ..ESS score of >or=10 had 75% sensitivity and 82.4% specificity for sleep episodes. These results suggest that sleepiness in PD is dependent on disease itself and dopaminergic treatment rather than nocturnal disturbances...
  9. ncbi request reprint Snoring is associated with an impaired motor function, disease severity and the quality of life but not with excessive daytime sleepiness in patients with Parkinson's disease
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, Japan
    Intern Med 52:863-9. 2013
    ..The aim of this study was to investigate the relationship between snoring and its clinical correlates in patients with PD...
  10. pmc Probable rapid eye movement sleep behavior disorder, nocturnal disturbances and quality of life in patients with Parkinson's disease: a case-controlled study using the rapid eye movement sleep behavior disorder screening questionnaire
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321 0293, Japan
    BMC Neurol 13:18. 2013
    ..Increasing evidence provides a clear association between rapid eye movement sleep behavior disorders (RBD) and Parkinson's disease (PD), but the clinical features that determine the co-morbidity of RBD and PD are not yet fully understood...
  11. doi request reprint Fatigue in Japanese patients with Parkinson's disease: a study using Parkinson fatigue scale
    Yasuyuki Okuma
    Department of Neurology, Juntendo University Shizuoka Hospital, 1129 Nagaoka, Izunokuni, Shizuoka 410 2295, Japan
    Mov Disord 24:1977-83. 2009
    ..Since fatigue is significantly related to QOL reduction, therapeutic interventions including treatment of sleep disturbance are important...
  12. doi request reprint Odor identification test as an indicator of idiopathic REM sleep behavior disorder
    Tomoyuki Miyamoto
    Department of Neurology, Center of Sleep Medicine, Dokkyo Medical University School of Medicine, Tochigi, Japan
    Mov Disord 24:268-73. 2009
    ..The results suggest that OSIT-J, which is a short and simple nonlexical olfactory identification test, can be useful as a clinical indicator for iRBD with Lewy body formation and is appropriate in the Japanese elderly population...
  13. doi request reprint Comparison of severity of obstructive sleep apnea and degree of accumulation of cardiac 123I-MIBG radioactivity as a diagnostic marker for idiopathic REM sleep behavior disorder
    Tomoyuki Miyamoto
    Department of Neurology, Center of Sleep Medicine, Dokkyo Medical University School of Medicine, Shimotsuga, Tochigi 321 0293, Japan
    Sleep Med 10:577-80. 2009
    ..We investigated cardiac (123)I-metaiodobenzylguanidine (MIBG) scintigraphic assessment as a supportive diagnostic indicator for idiopathic REM sleep behavior disorder (RBD) complicated by moderate to severe obstructive sleep apnea (OSA)...
  14. doi request reprint Olfactory dysfunction in idiopathic REM sleep behavior disorder
    Tomoyuki Miyamoto
    Department of Neurology, Center of Sleep Medicine, Dokkyo Medical University School of Medicine, Tochigi 321 0293, Japan
    Sleep Med 11:458-61. 2010
    ..Olfactory dysfunction is frequently observed in patients with idiopathic REM sleep behavior disorder (iRBD) such as Parkinson's disease or dementia with Lewy bodies...
  15. doi request reprint Dream-enacting behaviour is associated with impaired sleep and severe headache-related disability in migraine patients
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, Japan
    Cephalalgia 33:868-78. 2013
    ..However, the relationship between migraine and REM sleep behaviour disorder (RBD) remains unclear...
  16. pmc 123I-MIBG cardiac scintigraphy provides clues to the underlying neurodegenerative disorder in idiopathic REM sleep behavior disorder
    Tomoyuki Miyamoto
    Department of Neurology, Center of Sleep Medicine, Dokkyo Medical University School of Medicine, Tochigi, Japan
    Sleep 31:717-23. 2008
    ..We tested whether the degree of accumulation of cardiac 123I-MIBG scintigraphy can distinguish the clinical syndromes associated with Lewy body-related disease from the syndrome of PSP (a tauopathy) and MSA...
  17. doi request reprint Nocturnal disturbances and restlessness in Parkinson's disease: using the Japanese version of the Parkinson's disease sleep scale-2
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, Tochigi, Japan
    J Neurol Sci 318:76-81. 2012
    ..The aim of this study was to assess the validity and the reliability of the Japanese version of the Parkinson's disease sleep scale (PDSS)-2 and to use this scale to identify nocturnal symptoms and their impact on patient's quality of life...
  18. ncbi request reprint Narcolepsy without cataplexy: 2 subtypes based on CSF hypocretin-1/orexin-A findings
    Yasunori Oka
    Department of Neurology, Kyoto University Graduate School of Medicine, 54 Shogoin Kawaharacho, Sakyo ku, 606 8507 Kyoto, Japan
    Sleep 29:1439-43. 2006
    ..Our aim was to examine whether clinical characteristics vary with CSF hypocretin-1 levels among narcoleptic patients without cataplexy...
  19. doi request reprint The core body temperature rhythm is altered in progressive supranuclear palsy
    Keisuke Suzuki
    Dept of Neurology, Dokkyo Medical University, Kitakobayashi 880, Mibu, Shimotsuga, Tochigi, Japan
    Clin Auton Res 19:65-8. 2009
    ..We measured circadian rhythmicity in rectal temperature change and found that the amplitude of body temperature was significantly reduced in patients with progressive supranuclear palsy compared to those with Parkinson disease...
  20. doi request reprint Relevance of substantia nigra hyperechogenicity and reduced odor identification in idiopathic REM sleep behavior disorder
    Masaoki Iwanami
    Department of Neurology, Center of Sleep Medicine, Dokkyo Medical University School of Medicine, Japan
    Sleep Med 11:361-5. 2010
    ....
  21. doi request reprint Circadian variation of core body temperature in Parkinson disease patients with depression: a potential biological marker for depression in Parkinson disease
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, Tochigi, Japan
    Neuropsychobiology 56:172-9. 2007
    ..For early diagnosis or clarification of the pathologic condition of comorbidity of depression and PD, the present study investigated the presence of circadian rhythm abnormalities in patients with depression...
  22. pmc Correlation between severity of obstructive sleep apnea and prevalence of silent cerebrovascular lesions
    Momoka Nishibayashi
    Department of Neurology, Center of Sleep Medicine, Dokkyo Medical University, Tochigi, Japan
    J Clin Sleep Med 4:242-7. 2008
    ..We investigated the prevalence of silent cerebrovascular lesions in patients with obstructive sleep apnea (OSA) and the correlation between OSA severity and prevalence of silent cerebrovascular lesions in Japanese patients...
  23. ncbi request reprint [Sleep disturbances in patients with Parkinson disease]
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, Shimotsuga, Tochigi, Japan
    Brain Nerve 64:342-55. 2012
    ..In this review, we discuss the current understanding of sleep disturbances in PD and the existing treatments...
  24. ncbi request reprint [Pathophysiology of restless legs syndrome]
    Masayuki Miyamoto
    Department of Neurology, Dokkyo Medical University School of Medicine, Kitakobayashi 880, Mibu, Tochigi 321 0293, Japan
    Brain Nerve 61:523-32. 2009
    ..In conclusion, disturbances in the central dopaminergic system, disturbances in iron metabolism, and genetics seem to be the primary factors in the pathophysiology of RLS...
  25. ncbi request reprint Hypothermia, hypotension, hypersomnia, and obesity associated with hypothalamic lesions in a patient positive for the anti-aquaporin 4 antibody: a case report and literature review
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, Tochigi, Japan
    Arch Neurol 69:1355-9. 2012
    ..To describe a patient positive for the anti-aquaporin 4 antibody with hypothalamic lesions showing hypothermia, hypotension, hypersomnia, and obesity...
  26. ncbi request reprint Characteristics of sleep disturbances in Japanese patients with Parkinson's disease. A study using Parkinson's disease sleep scale
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, Tochigi, Japan
    Mov Disord 22:1245-51. 2007
    ..We speculate that the reduction of neurotransmitters involved in the sleep-wakefulness mechanism and degeneration of neurons progress together in parallel with deterioration of motor function...
  27. ncbi request reprint Methylphenidate hydrochloride for excessive daytime sleepiness in a patient with myotonic dystrophy
    Tomoyuki Miyamoto
    Department of Neurology, Dokkyo University School of Medicine, Shimotsuga, Tochigi, Japan
    Psychiatry Clin Neurosci 56:271-2. 2002
    ..These observations suggest that EDS and impairment of cognitive and information processing seen in a patient with MyD may be caused by a central nervous system disorder...
  28. doi request reprint Evaluation of contributing factors to restless legs syndrome in migraine patients
    Shiho Suzuki
    Department of Neurology, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321 0293, Japan
    J Neurol 258:2026-35. 2011
    ..These findings may provide a better understanding of RLS pathogenesis in migraine...
  29. ncbi request reprint Clinical correlates of serum insulin-like growth factor-1 in patients with Parkinson's disease, multiple system atrophy and progressive supranuclear palsy
    Ayaka Numao
    Department of Neurology, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321 0293, Japan
    Parkinsonism Relat Disord 20:212-6. 2014
    ..Recently, increased serum insulin-like growth factor-1 (IGF-1) levels have been reported in patients with Parkinson's disease (PD) and multiple system atrophy (MSA)...
  30. ncbi request reprint Weight loss approach during routine follow-up is effective for obstructive sleep apnea hypopnea syndrome subjects receiving nasal continuous positive airway pressure treatment
    Hiroko Fujii
    Department of Public Health, Dokkyo Medical University School of Medicine, Kitakobayashi, Mibu, Shimotsuga, Tochigi
    Ind Health 48:511-6. 2010
    ..7 (1.6) % vs. 0.6 (0.5) %, p=0.032). The present study shows that a weight loss program may be useful in reducing weight for male obese OSAHS subjects treated with CPAP...
  31. pmc Sleep disturbances associated with Parkinson's disease
    Keisuke Suzuki
    Department of Neurology, Center of Sleep Medicine, Dokkyo Medical University School of Medicine, 880 Kitakobayashi, Mibu, Shimotsuga, Tochigi 321 0293, Japan
    Parkinsons Dis 2011:219056. 2011
    ..In the present paper, we review the current literature concerning sleep disorders in PD...
  32. ncbi request reprint Dilated fourth ventricle on brain computed tomography scan in the diagnosis of Chiari I malformation with syringomyelia
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, Tochigi, Japan
    Intern Med 47:185-6. 2008
  33. ncbi request reprint Nocturnal hypersalivation caused by distigmine bromide in a patient with multiple system atrophy
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, Tochigi
    Intern Med 47:983-4. 2008
  34. pmc Idiopathic REM Sleep Behavior Disorder: Implications for the Pathogenesis of Lewy Body Diseases
    Tomoyuki Miyamoto
    Department of Neurology, Center of Sleep Medicine, School of Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Shimotsuga, Tochigi 321 0293, Japan
    Parkinsons Dis 2011:941268. 2011
    ..Conclusions. Reduced cardiac (123)I-metaiodobenzylguanidine uptake, which is independent of parkinsonism, may be more closely associated with idiopathic REM sleep behavior disorder than olfactory impairment...
  35. ncbi request reprint Circadian rhythm abnormalities in the acute phase of cerebral infarction correlate with poor prognosis in the chronic phase
    Hidehiro Takekawa
    Department of Neurology, Dokkyo Medical University, Kitakobayashi 880, Tochigi 321 0293, Japan
    Auton Neurosci 131:131-6. 2007
    ..001) in the acute phase of ischemic stroke. Our findings suggest the biological rhythms of rectal temperature and wrist activity during the acute stroke phase might be a possible prognostic indicator of their chronic phase...
  36. doi request reprint Neuroimaging of rapid eye movement sleep behavior disorder: transcranial ultrasound, single-photon emission computed tomography, and positron emission tomography scan data
    Masayuki Miyamoto
    Department of Neurology, Center of Sleep Medicine, Dokkyo Medical University, Tochigi, Japan
    Sleep Med 14:739-43. 2013
    ..This review focuses on neuroimaging studies of rapid eye movement sleep behavior disorder (RBD) patients using techniques such as TCS, SPECT, and PET scans. ..
  37. ncbi request reprint [Nacrolepsy manifesting initially as cataplexy and sleep paralysis: usefulness of CSF hypocretin-1 examination for early diagnosis]
    Yuka Kobayashi
    Department of Neurology, Dokkyo University School of Medicine
    Rinsho Shinkeigaku 42:233-6. 2002
    ..A delay in diagnosis, however, may produce personal and social problems for narcoleptic patients. We believe that an examination of CSF hypocretin-1 aids in the early diagnosis of narcolepsy...
  38. ncbi request reprint Alteration of circadian periodicity in core body temperatures of patients with acute stroke
    Hidehiro Takekawa
    Department of Neurology, Dokkyo University School of Medicine, Shimotsuga, Tochigi, Japan
    Psychiatry Clin Neurosci 56:221-2. 2002
    ..The study's findings suggest that impaired physical activity and disturbance of consciousness affect body temperature rhythm in patients with acute stroke...
  39. ncbi request reprint Insulinoma with early-morning abnormal behavior
    Keisuke Suzuki
    Department of Neurology, Dokkyo Medical University, Tochigi, Japan
    Intern Med 46:405-8. 2007
    ..Hypoglycemia caused by insulinoma should be considered as one of the mechanisms underlying abnormal nocturnal behaviors since the symptoms are very similar to those of sleep-related epilepsy, parasomnia, and night delirium...