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Affiliation |
IWATE University Health Administration Center |
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Position |
Professor |
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Laboratory Fax number |
+81-19-621-6075 |
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Mail Address |
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ONODA Toshiyuki
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Degree 【 display / non-display 】
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Iwate Medical University - Doctor (Medical Science) 1993.03.27
Campus Career 【 display / non-display 】
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2017.04-Now
IWATE University Health Administration Center Professor [Duty]
Course Subject 【 display / non-display 】
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2017
Ethics for Agriculture
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2017
Health Management
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2017
Public Health
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2018
Ethics for Agriculture
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2018
Health Management
Published Papers 【 display / non-display 】
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The Potential of a Stroke Registry Using Diagnosis Procedure Combination Data from All Hospitals in a Japanese Prefecture
Shinichi Omama , Kozo Tanno , Yoshihiro Inoue , Kuniaki Ogasawara , Takeshi Fukuda , Yuetsu Oikawa , Toshiyuki Onoda , Masaki Ohsawa , Kiyomi Sakata
Cerebrovascular diseases ( KARGER INTERNATIONAL ) 51 ( 4 ) 447 - 452 2022.01 [Refereed]
Academic Journal Multiple authorship
Of the 71 hospitals with 9,992 beds in the Iwate Prefecture in 2018, 50 hospitals with 8,316 beds participated in the DPC system. The proportion of registered cases from participating hospitals was 95.2% (44,779/47,018) for all stroke types (95.6% men and 94.9% women), 94.3% for cerebral infarction, 97.0% for intracerebral hemorrhage, and 98.7% for subarachnoid hemorrhage. Attending doctors and researchers registered 486 and 41 CVD cases from the core and noncore hospitals, respectively, whereas 455 and 46 CVD cases were extracted from the DPC data of these hospitals, respectively. This yielded 86.6% sensitivity, 99.3% specificity, 92.5% positive predictive value, and 98.7% negative predictive value for the core hospital; these values were 92.7%, 98.6%, 82.6%, and 99.5%, respectively, for the noncore hospital.
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Association between Milk Intake and Incident Stroke among Japanese Community Dwellers: The Iwate-KENCO Study.
Tanno K. , Yonekura Y, Okuda N , Kuribayashi T , Yabe E, Tsubota M, Omama S , Onoda T , et al.
Nutrients 13 ( 11 ) 3781 2021.10 [Refereed]
Academic Journal Multiple authorship
We aimed to evaluate the association between the milk consumption and incident stroke in a Japanese population, where milk consumption is lower than that of Western countries. In total, 14,121 participants (4253 men and 9868 women) aged 40–69 years, free from cardiovascular diseases(CVD) were prospectively followed for 10.7 years. Participants were categorized into four groups according to the milk intake frequency obtained from a brief-type self-administered diet questionnaire.
The adjusted HRs of total stroke, ischemic stroke and haemorrhagic stroke associated with milk intake frequency were calculated using the Cox proportional hazards model. During the follow-up, 478 stroke cases were detected (208 men and 270 women). Compared to women with a milk intake of <2 cups/week, those with an intake of 7 to <12 cups/week had a significantly low risk of ischemic stroke in a model adjusting CVD risk factors; the HR (95% CI) was 0.53 (0.32–0.88). No significant associations were found in men. This study suggested that milk intake of 7 to <12 cups/week
decreased the risk of ischemic stroke in Japanese women. Milk intake of about 1 to <2 cups/day may
be effective in the primary prevention of ischemic stroke in a population with low milk intake. -
Slightly Elevated Serum Ionic Fluoride Levels Inhibit Insulin Secretion and Increase Glucose Levels in a General Japanese Population: a Cross-sectional Study
Itai K , Onoda T , Nohara M , Kuribayashi T , Tanno K , Ohsawa M , Mori M , Okayama A
Biological Trace Element Research 199 ( 8 ) 2819 - 2825 2021.08
Academic Journal Multiple authorship
A cross-sectional study was performed to investigate the relationships between serum fluoride levels, glucose levels, and insulin secretion in a general population. A total of 330 healthy subjects (167 men; 163 women) aged between 40 and 69 years were examined. Lifestyle information was obtained using questionnaires. Blood samples were collected in the early morning, and biochemical parameters and glucose indices were measured. Serum ionic fluoride (SIF) levels were assessed using a highly sensitive method. Relationships between glucose indices and SIF levels were investigated using a multiple linear regression analysis. SIF levels positively correlated with fasting plasma glucose (FPG) and glycohemoglobin (HbA1c) levels in both sexes. In women, SIF levels negatively correlated with homeostasis model assessment insulin secretion (HOMA-β) levels. In men, the proportion of regular drinkers negatively correlated with HOMA-β, but not SIF levels. Although SIF levels < 1 μmol/L were associated with reduced insulin secretion and increased FPG levels, the risk of diabetes was not elevated. These results suggest that increased SIF levels caused by a large fluoride intake and compromised renal function combined with poor lifestyle choices elevate the risk of diabetes. Further studies are warranted to elucidate the effects of fluoride on glucose metabolism.
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Occurrence of Cerebrovascular Diseases Decreased after the Great East Japan Earthquake and Tsunami of 2011
Omama S, Yoshida Y, Ogasawara K, Ogawa A, Ishibashi Y, Nakamura M, Tanno K, Ohsawa M, Onoda T, Itai K, Sakata K.
Cerebrovascular diseases extra ( S. Karger AG ) 10 ( 3 ) 105 - 115 2020.10
Academic Journal Multiple authorship
The occurrence of CVDs in the flooded coastal areas did not increase in the year of the Great East Japan Earthquake and Tsunami; furthermore, it decreased for men according to the severity of flood damage in the subsequent years; this can be attributed to supportive activities for the tsunami victims and the migration of the population.
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Ten-Year Cerebrovascular Disease Trend Occurrence by Population-based Stroke Registry in an Aging Japan Local Prefecture
Shinichi Omama , Kuniaki Ogasawara , Yoshihiro Inoue , Yasuhiro Ishibashi , Masaki Ohsawa , Toshiyuki Onoda , Kazuyoshi Itai , Kozo Tanno , Kiyomi Sakata
journal of stroke and cerebrovascular diseases ( National stroke association ) 29 ( 3 ) 2020.03 [Refereed]
International Conference Proceedings Multiple authorship
The cerebrovascular diseases rate and number of incidence decreased during the last decade and will decrease in the future, but the incidence in the oldest-old will increase. Specific nursing care and social measures to treat cerebrovascular diseases in the oldest-old will be needed.