Yachiyo Matsumura

ORCID: 0000-0003-0812-0691
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About
Contact & Profiles
Research Areas
  • Vestibular and auditory disorders
  • Hearing, Cochlea, Tinnitus, Genetics
  • Heart Rate Variability and Autonomic Control
  • Cardiovascular Syncope and Autonomic Disorders
  • Cardiovascular Health and Disease Prevention
  • Ear Surgery and Otitis Media
  • Obstructive Sleep Apnea Research
  • Psychosomatic Disorders and Their Treatments
  • Cardiovascular Disease and Adiposity
  • Heart rate and cardiovascular health
  • Blood Pressure and Hypertension Studies
  • Glaucoma and retinal disorders

Nara Medical University
2016-2024

The University of Texas Health Science Center at San Antonio
1989

Conclusions: The incident ratios of cochlear and/or vestibular endolymphatic hydrops (EH) were significantly higher in the affected ears patients with Meniere's disease (MD) than healthy controls. There no significant differences between controls and contralateral MDs. Objectives: aim was to compare incidence EH unilateral/bilateral MD using 3T magnetic resonance imaging (MRI) intravenous gadolinium. Methods: A total 41 diagnosed MD: 32 unilateral (uMD) nine bilateral (bMD). Fifteen...

10.3109/00016489.2016.1169556 article EN Acta Oto-Laryngologica 2016-04-15

Central effects of angiotensin II (ANG II) on arterial baroreflex control renal sympathetic nerve activity (RSNA) and heart rate (HR) were examined in conscious rabbits. Intravenous infusions ANG (5-320 ng.kg-1.min-1) significantly reduced the inhibition HR compared with phenylephrine (PE) (0.5-16 micrograms.kg-1.min-1), whereas reflex RSNA was unaltered. Background intravenous did not alter responses nor to increases (with PE) or decreases mean pressure nitroglycerin inferior vena cava...

10.1152/ajpregu.1989.256.3.r694 article EN AJP Regulatory Integrative and Comparative Physiology 1989-03-01

Over a 2-year period from 2013 to 2014, we performed clinical study at our center of 1,068 patients with chief complaint dizziness/equilibrium disorder. The ratio males females was 2: 3, the highest proportion men in their 60s. distribution bimodal, proportions 40s, 60s, and 70s. majority referrals were directly received department, but next most introductions otolaryngology practitioners. Peripheral vestibular disorder accounted for approximately 77% all cases, among which BPPV, Ménière's...

10.3757/jser.76.261 article EN Equilibrium Research 2017-01-01

10.3757/jser.82.120 article KO Equilibrium Research 2023-04-30

Acute low-tone sensorineural hearing loss (ALHL) has a relatively good prognosis; however, cases of recurrent cochlear symptoms and transition to Meniere's disease have also been reported. In this study, we investigated relapse ALHL from among patients with who visited our department.

10.3757/jser.79.148 article EN Equilibrium Research 2020-06-30

Background: The diagnosis and treatment of patients with psychogenic vertigo (PSY) is difficult because the lack reliable objective findings for this condition. We examined characteristics foam posturography in peripheral vestibular disorders (PVD) those PSY. In particular, we focused on Methods: Between January 2010 December 2011, 2-legged stance tasks were conducted vertigo/dizziness under 4 conditions: eyes opened with/without rubber closed rubber. terms velocity movement center pressure,...

10.1097/nrl.0000000000000352 article EN The Neurologist 2021-11-26
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