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List of works by Masaaki Hirayama

A radiological analysis of heart sympathetic functions with meta-[123I]iodobenzylguanidine in neurological patients with autonomic failure

scientific article published on 01 September 1994

A scintigraphical qualitative analysis of peripheral vascular sympathetic function with meta-[123I]iodobenzylguanidine in neurological patients with autonomic failure

scientific article published on 01 June 1995

Age of onset influences clinical features of chronic inflammatory demyelinating polyneuropathy

scientific article published on 01 February 2001

Alcoholic neuropathy is clinicopathologically distinct from thiamine-deficiency neuropathy.

scientific article published in July 2003

Altered venous capacitance as a cause of postprandial hypotension in multiple system atrophy

scientific article published on 29 November 2006

An axonal form of Charcot-Marie-Tooth disease showing distinctive features in association with mutations in the peripheral myelin protein zero gene (Thr124Met or Asp75Val).

scientific article

Association between changes in visual evoked magnetic fields and non-motor features in Parkinson's disease.

scientific article

Association of leptin with orthostatic blood pressure changes in Parkinson's disease.

scientific article

Ataxic vs painful form of paraneoplastic neuropathy

scientific article published on 01 August 2007

Auditory brainstem responses in patients with autonomic failure with Parkinson's disease and multiple system atrophy

scientific article published on 01 September 1999

Axillary nerve injury caused by intradeltoid muscular injection: A case report ⬇️

scientific article published on 01 September 2001

Beneficial biological effects and the underlying mechanisms of molecular hydrogen - comprehensive review of 321 original articles.

scientific article

CAG repeat number correlates with the rate of brainstem and cerebellar atrophy in Machado-Joseph disease ⬇️

scientific article published on September 1, 1998

Characteristic laryngoscopic findings in Parkinson's disease patients after subthalamic nucleus deep brain stimulation and its correlation with voice disorder.

scientific article

Chronic inflammatory demyelinating polyneuropathy presenting with features of GBS.

scientific article published in March 2002

Clinical and Imaging Features of Multiple System Atrophy: Challenges for an Early and Clinically Definitive Diagnosis

scientific article published on 09 August 2018

Clinical and electrophysiologic correlates of IVIg responsiveness in CIDP.

scientific article

Clinical and physiological characteristics of autonomic failure with Parkinson's disease.

scientific article published on 01 June 1999

Compound heterozygous mutations in the muscle chloride channel gene (CLCN1) in a Japanese family with Thomsen’s disease ⬇️

scientific article published on 01 January 2013

Cortical and subcortical brain atrophy in Parkinson's disease with visual hallucination.

scientific article published on 21 October 2013

Discrimination of spinal and bulbar muscular atrophy from amyotrophic lateral sclerosis using sensory nerve action potentials

scientific article published on 01 February 2012

Disinhibitory shift of recovery curve of somatosensory-evoked response in elderly: A magnetoencephalographic study.

scientific article published on 28 September 2014

Distinct manifestation of cognitive deficits associate with different resting-state network disruptions in non-demented patients with Parkinson's disease.

scientific article published in February 2018

Dobutamine stress test unmasks cardiac sympathetic denervation in Parkinson's disease

scientific article published on 01 August 2007

Does cardiovascular autonomic dysfunction contribute to fatigue in Parkinson's disease? ⬇️

scientific article published on 03 May 2011

Electrophysiological features of late-onset transthyretin Met30 familial amyloid polyneuropathy unrelated to endemic foci

scientific article published on 24 September 2008

Erratum to: A randomized double-blind multi-center trial of hydrogen water for Parkinson's disease: protocol and baseline characteristics.

scientific article published on 20 February 2017

Gastrointestinal dysfunction in Parkinson's disease detected by electrogastroenterography

scientific article published on 01 January 1995

Hyposmia and cardiovascular dysautonomia correlatively appear in early-stage Parkinson's disease.

scientific article published on 20 February 2014

Impaired pain processing in Parkinson's disease and its relative association with the sense of smell ⬇️

scientific article published on July 17, 2012

Impaired peripheral vasoconstrictor response to orthostatic stress in patients with multiple system atrophy

scientific article published on 29 May 2015

Intestinal Collinsella may mitigate infection and exacerbation of COVID-19 by producing ursodeoxycholate

scientific article published on 23 November 2021

Intestinal Dysbiosis and Lowered Serum Lipopolysaccharide-Binding Protein in Parkinson's Disease

scientific article published on 5 November 2015

Molecular hydrogen alleviates motor deficits and muscle degeneration in mdx mice.

scientific article published on 15 February 2016

Molecular hydrogen ameliorates several characteristics of preeclampsia in the Reduced Uterine Perfusion Pressure (RUPP) rat model.

scientific article published on 24 October 2016

Molecular hydrogen is protective against 6-hydroxydopamine-induced nigrostriatal degeneration in a rat model of Parkinson's disease.

scientific article

Neuronal intranuclear hyaline inclusion disease showing motor-sensory and autonomic neuropathy

scientific article published on 01 November 2005

Noninvasive monitoring of plasma L-dopa concentrations using sweat samples in Parkinson's disease.

scientific article published on 13 January 2015

Orthostatic hypotension caused by a localised dorsal medullary tumour.

scientific article published on July 1996

Painful alcoholic polyneuropathy with predominant small-fiber loss and normal thiamine status.

scientific article

Paraneoplastic encephalitis associated with myasthenia gravis and malignant thymoma

scientific article published on 09 January 2012

Postgastrectomy polyneuropathy with thiamine deficiency

scientific article

Postprandial hypotension: hemodynamic differences between multiple system atrophy and peripheral autonomic neuropathy

scientific article published on 01 April 1993

Primary lateral sclerosis presenting parkinsonian symptoms without nigrostriatal involvement.

scientific article

Progression and prognosis in pure autonomic failure (PAF): comparison with multiple system atrophy.

scientific article published in July 2005

Progression of Parkinson's disease is associated with gut dysbiosis: Two-year follow-up study

scientific article published in November 2017

Quantification of hydrogen production by intestinal bacteria that are specifically dysregulated in Parkinson's disease

scientific article published in PLoS ONE

Randomized, double-blind, multicenter trial of hydrogen water for Parkinson's disease

scientific article published on 12 September 2018

Recovery function of somatosensory evoked brain response in patients with carpal tunnel syndrome: A magnetoencephalographic study.

scientific article published on 28 May 2016

Recovery of flow-mediated vasodilatation after repetitive measurements is involved in early vascular impairment: comparison with indices of vascular tone

scientific article

Relationship between respiratory failure and plasma noradrenaline levels in amyotrophic lateral sclerosis.

scientific article published in August 1997

Restoration of a Conduction Block after the Long-term Treatment of CIDP with Anti-neurofascin 155 Antibodies: Follow-up of a Case over 23 Years

scientific article published on 28 February 2018

Role of cardiac sympathetic nerves in preventing orthostatic hypotension in Parkinson's disease

scientific article published on 14 January 2014

Serum Tyrosine-to-Phenylalanine Ratio is Low in Parkinson's Disease.

scientific article published on 2 April 2016

Severe hyposmia and aberrant functional connectivity in cognitively normal Parkinson's disease

scientific article published on 5 January 2018

Short chain fatty acids-producing and mucin-degrading intestinal bacteria predict the progression of early Parkinson's disease

scientific article published on 01 June 2022

Sjögren's syndrome associated painful sensory neuropathy without sensory ataxia

scientific article

Sweating dysfunctions in Parkinson's disease.

scientific article published on December 2006

The profile of motor unit number estimation (MUNE) in spinal and bulbar muscular atrophy

scientific article published on 03 December 2009

The significance of carpal tunnel syndrome in transthyretin Val30Met familial amyloid polyneuropathy.

scientific article

Treatment of postprandial hypotension with selective alpha 1 and beta 1 adrenergic agonists

scientific article published on 01 November 1993

Widespread cortical and subcortical brain atrophy in Parkinson's disease with excessive daytime sleepiness.

scientific article published on 18 August 2011

X-linked recessive bulbospinal neuronopathy. A clinicopathological study

scientific article published on 01 February 1989

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