Masaoki Iwanami

Summary

Affiliation: Dokkyo University School of Medicine
Country: Japan

Publications

  1. ncbi A comparison of middle latency auditory-evoked response in obstructive sleep apnea syndrome before and after treatment
    T Miyamoto
    Department of Neurology, Dokkyo University School of Medicine, Tochigi, Japan
    Psychiatry Clin Neurosci 55:251-2. 2001
  2. ncbi 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
  3. ncbi Reduced cardiac 123I-MIBG scintigraphy in idiopathic REM sleep behavior disorder
    T Miyamoto
    Department of Neurology, Dokkyo Medical University School of Medicine, Tochigi 321 0293, Japan
    Neurology 67:2236-8. 2006
  4. ncbi 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
  5. ncbi 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
  6. ncbi 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
  7. ncbi 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
  8. ncbi 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
  9. ncbi 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
  10. ncbi 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

Detail Information

Publications18

  1. ncbi A comparison of middle latency auditory-evoked response in obstructive sleep apnea syndrome before and after treatment
    T Miyamoto
    Department of Neurology, Dokkyo University School of Medicine, Tochigi, Japan
    Psychiatry Clin Neurosci 55:251-2. 2001
    ..There was also improvement of the electrical field distribution of MLR on the scalp. The results suggest that the decreased vigilance level in OSAS patients is reversible with treatment...
  2. ncbi 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...
  3. ncbi Reduced cardiac 123I-MIBG scintigraphy in idiopathic REM sleep behavior disorder
    T Miyamoto
    Department of Neurology, Dokkyo Medical University School of Medicine, Tochigi 321 0293, Japan
    Neurology 67:2236-8. 2006
    ..The results are consistent with the hypothesis that idiopathic RBD in older patients is a forme fruste of Lewy body disease...
  4. ncbi 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...
  5. ncbi 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)...
  6. ncbi 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...
  7. ncbi 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...
  8. ncbi 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
    ..Furthermore, snoring in PD patients was associated with disease severity, an impaired motor function and a decreased quality of life, although it was not associated with EDS...
  9. ncbi 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...
  10. ncbi 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
    ....
  11. ncbi 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...
  12. ncbi 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...
  13. ncbi [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...
  14. ncbi 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...
  15. ncbi 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...
  16. ncbi 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...
  17. ncbi [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...
  18. ncbi [Paraneoplastic cerebellar degeneration and Lambert-Eaton myasthenic syndrome associated with anti P/Q-type voltage-gated calcium channel antibody in a patient with primary double lung cancer]
    Masaoki Iwanami
    Department of Neurology, Dokkyo Medical University, 880 kitobayashi Kitakobayashi, Mibu cho, Shimotsuga gun, Tochigi 321 0293, Japan
    Brain Nerve 61:1083-7. 2009
    ..Physicians need to be aware that patients may develop PCD and LEMS associated with anti-VGCC antibody caused by small cell lung cancer, and a mass survey should be conducted and careful examinations performed...