Hirohiko Hirano
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View article: Association of SARC-F with muscle mass, strength, and quality derived from bioelectrical impedance spectroscopy for sarcopenia assessment
Association of SARC-F with muscle mass, strength, and quality derived from bioelectrical impedance spectroscopy for sarcopenia assessment Open
The SARC-F is a 5-item questionnaire screening for patients at risk of sarcopenia. The electrical properties of tissues derived from bioelectrical impedance spectroscopy (BIS), including phase angle (PhA) and intracellular-extracellular wa…
View article: Association of Aging Trajectories in the Japan Science and Technology Agency Index of Competence With Instrumental Activities of Daily Living Among Community‐Dwelling Older Japanese Adults: The Otassha Study
Association of Aging Trajectories in the Japan Science and Technology Agency Index of Competence With Instrumental Activities of Daily Living Among Community‐Dwelling Older Japanese Adults: The Otassha Study Open
Aim The Japan Science and Technology Agency Index of Competence (JST‐IC) was developed to measure competence at much higher levels than the Tokyo Metropolitan Institute of Gerontology Index of Competence (TMIG‐IC), which evaluates higher‐l…
View article: Validity of Walking Speed Measurements Using an Ankle Accelerometer in Older Individuals
Validity of Walking Speed Measurements Using an Ankle Accelerometer in Older Individuals Open
View article: Comparative analysis of the maximal respiratory pressure and peak expiratory flow rate in diagnosing probable respiratory sarcopenia – The Otassha Study
Comparative analysis of the maximal respiratory pressure and peak expiratory flow rate in diagnosing probable respiratory sarcopenia – The Otassha Study Open
Aim The availability of diverse assessment methods, based on different devices and conditions, for respiratory sarcopenia is crucial for developing community health initiatives. Thus, in this study, we aimed to compare the concordance in d…
View article: Making the Right to Oral Health a Reality for Older Adults
Making the Right to Oral Health a Reality for Older Adults Open
View article: Association between the use of information and communication technology and cognitive decline stratified by social isolation: The Otassha study
Association between the use of information and communication technology and cognitive decline stratified by social isolation: The Otassha study Open
View article: Cross-sectional association between social isolation and nutritional status among older urban adults: The Itabashi Longitudinal Study on Aging
Cross-sectional association between social isolation and nutritional status among older urban adults: The Itabashi Longitudinal Study on Aging Open
Social isolation has been associated with malnutrition among older urban adults in Japan. Future longitudinal studies of the nutritional status of socially isolated individuals are essential.
View article: ASSOCIATION OF LIVING ALONE AND SOCIAL ISOLATION WITH ALL-CAUSE AND CARDIOVASCULAR MORTALITY: THE OTASSHA STUDY
ASSOCIATION OF LIVING ALONE AND SOCIAL ISOLATION WITH ALL-CAUSE AND CARDIOVASCULAR MORTALITY: THE OTASSHA STUDY Open
Living alone is considered a risk factor for all-cause and cardiovascular mortality, but this association may be confounded by social isolation status. This study examined how living alone while also being socially isolated affects older a…
View article: PHYSICAL, COGNITIVE AND MENTAL CHARACTERISTICS AND DIGITAL HEALTH TECHNOLOGY USE AMONG PREFRAIL OLDER ADULTS
PHYSICAL, COGNITIVE AND MENTAL CHARACTERISTICS AND DIGITAL HEALTH TECHNOLOGY USE AMONG PREFRAIL OLDER ADULTS Open
Remote interventions for prefrail older people are more feasible than for frail older people, but the benefits of using digital health technologies (DHT) have not been comprehensively investigated. This cross-sectional study examined wheth…
View article: AGING TRAJECTORY OF THE JAPAN SCIENCE AND TECHNOLOGY AGENCY INDEX OF COMPETENCE (JST-IC): THE OTASSHA STUDY
AGING TRAJECTORY OF THE JAPAN SCIENCE AND TECHNOLOGY AGENCY INDEX OF COMPETENCE (JST-IC): THE OTASSHA STUDY Open
The Japan Science and Technology Agency Index of Competence (JST-IC) was developed to measure higher levels of competence than measured by the Tokyo Metropolitan Institute of Gerontology Index of Competence (TMIG-IC), which evaluates highe…
View article: Increased risk of falls in older adults with hearing loss and slow gait: results from the Otassha Study
Increased risk of falls in older adults with hearing loss and slow gait: results from the Otassha Study Open
View article: Consensus statement on “Oral frailty” from the Japan Geriatrics Society, the Japanese Society of Gerodontology, and the Japanese Association on Sarcopenia and Frailty
Consensus statement on “Oral frailty” from the Japan Geriatrics Society, the Japanese Society of Gerodontology, and the Japanese Association on Sarcopenia and Frailty Open
The concept of oral frailty was first proposed in Japan in 2014 by the “Joint Working Committee on Oral Frailty,” consisting of three academic societies—the Japan Geriatrics Society, the Japanese Society of Gerodontology, and the Japanese …
View article: Validating respiratory sarcopenia diagnostic criteria by mortality based on a position paper by four professional organizations: Insights from the Otassha study
Validating respiratory sarcopenia diagnostic criteria by mortality based on a position paper by four professional organizations: Insights from the Otassha study Open
Aim The Japanese Society for Respiratory Care and Rehabilitation, Japanese Association on Sarcopenia and Frailty, Japanese Society of Respiratory Physical Therapy, and Japanese Association of Rehabilitation Nutrition proposed the definitio…
View article: Regular exercise reduces the risk of all-cause mortality in socially isolated older adults: the Otassha Study
Regular exercise reduces the risk of all-cause mortality in socially isolated older adults: the Otassha Study Open
Introduction Social isolation is associated with increased mortality risk. On the other hand, some older adults prefer to be alone. Additionally, predictors of isolation are mostly unchanged across interventions. Therefore, knowledge of ho…
View article: Aging trajectories of subscales in higher-level functional capacity among community-dwelling older Japanese adults: the Otassha study
Aging trajectories of subscales in higher-level functional capacity among community-dwelling older Japanese adults: the Otassha study Open
View article: Corrigendum: Sex-specific factors associated with acceptance of smartwatches among urban older adults: the Itabashi longitudinal study on aging
Corrigendum: Sex-specific factors associated with acceptance of smartwatches among urban older adults: the Itabashi longitudinal study on aging Open
[This corrects the article DOI: 10.3389/fpubh.2024.1261275.].
View article: Associations between information and communication technology use and frailty in community-dwelling old-old adults: results from the ILSA-J
Associations between information and communication technology use and frailty in community-dwelling old-old adults: results from the ILSA-J Open
Objectives Frailty is a significant cause of adverse health events including long-term care and hospitalization. Although information and communication technology (ICT) has become an integral part of modern life, it remains unclear whether…
View article: Feasibility of Oral Function Evaluation According to Dementia Severity in Older Adults with Alzheimer’s Disease
Feasibility of Oral Function Evaluation According to Dementia Severity in Older Adults with Alzheimer’s Disease Open
Oral function evaluation in older adults with dementia is important for determining appropriate and practical dietary support plans; however, it can be challenging due to their difficulties in comprehending instructions and cooperating dur…
View article: Social isolation, regardless of living alone, is associated with mortality: the Otassha study
Social isolation, regardless of living alone, is associated with mortality: the Otassha study Open
Introduction Social isolation has been recognized as a contributing factor to negative health outcomes. Although living alone is associated with health-related outcomes, existing findings are inconsistent. It is not the act of living alone…
View article: Sex-specific factors associated with acceptance of smartwatches among urban older adults: the Itabashi longitudinal study on aging
Sex-specific factors associated with acceptance of smartwatches among urban older adults: the Itabashi longitudinal study on aging Open
Smartwatches (SW) are wearable devices that support daily life and monitor an individual’s health and activity status. This information is utilized to promote behavior modification, which could help prevent chronic diseases and manage the …
View article: Three-year trajectories of social networks, face-to-face interactions, and non-face-to-face interactions among community-dwelling older adults in Japan during the COVID-19 pandemic: Otassha study
Three-year trajectories of social networks, face-to-face interactions, and non-face-to-face interactions among community-dwelling older adults in Japan during the COVID-19 pandemic: Otassha study Open
During the three years of the pandemic, no changes were observed in the social networks of community-dwelling older Japanese individuals.
View article: Predicting the incidence of mild cognitive impairment with a computer-based cognitive assessment tool in community-dwelling older adults: The Otassha study
Predicting the incidence of mild cognitive impairment with a computer-based cognitive assessment tool in community-dwelling older adults: The Otassha study Open
This study examined the ability of a computer-based cognitive assessment tool (CompBased-CAT) to predict mild cognitive impairment (MCI) in community-dwelling older adults. A two-year longitudinal study was conducted using data from 2016 t…
View article: Associations of polypharmacy with frailty severity and each frailty phenotype in community‐dwelling older adults: Itabashi Longitudinal Study on Aging
Associations of polypharmacy with frailty severity and each frailty phenotype in community‐dwelling older adults: Itabashi Longitudinal Study on Aging Open
Aim Although polypharmacy and frailty are concerns in older adults, there is limited understanding of their association, particularly regarding frailty severity and its phenotypes within this population. This study aimed to examine the ass…
View article: Increased <sup>18</sup>F‐THK5351 Uptake at Bilateral Primary Motor Cortex in Patients with Progressive Pseudobulbar Palsy
Increased <sup>18</sup>F‐THK5351 Uptake at Bilateral Primary Motor Cortex in Patients with Progressive Pseudobulbar Palsy Open
Background . Although patients can present with progressive pseudobulbar palsy due to neurodegenerative diseases, detection of the precise location of radiological abnormalities can be difficult. 18 F‐THK5351 was initially developed as a t…
View article: Association Between Ego-Resilience and Social Isolation Among Urban Older People
Association Between Ego-Resilience and Social Isolation Among Urban Older People Open
Social isolation among older adults affects their physical and mental health. Ego-resilience is associated with flexible adaptation to various environments and acceptable behaviors. However, its association with social isolation among olde…
View article: Relationship between a gum‐chewing routine and oral, physical, and cognitive functions of community‐dwelling older adults: A Kashiwa cohort study
Relationship between a gum‐chewing routine and oral, physical, and cognitive functions of community‐dwelling older adults: A Kashiwa cohort study Open
Aim As associations between oral function and general health have been reported in community‐dwelling older adults, easily implementable preventive measures are urgently required. We focused on the health benefits of gum chewing, as no stu…
View article: A neighbour to consult with is important in dementia‐friendly communities: associated factors of self‐efficacy allowing older adults to continue living alone in community settings
A neighbour to consult with is important in dementia‐friendly communities: associated factors of self‐efficacy allowing older adults to continue living alone in community settings Open
To establish a society in which people with dementia can live with hope and dignity, 'The Basic Act on Dementia to Promote an Inclusive Society' was enacted in Japan in June 2023.1 However, there is no sufficient or comprehensive assessmen…
View article: Validation of self‐reported articulatory oral motor skill against objectively measured repetitive articulatory rate in community‐dwelling older Japanese adults: The Otassha Study
Validation of self‐reported articulatory oral motor skill against objectively measured repetitive articulatory rate in community‐dwelling older Japanese adults: The Otassha Study Open
Aim To assess the validity of self‐reported articulatory oral motor skill against objectively measured repetitive articulatory rate (oral diadochokinesis [oral‐DDK]) as a gold standard index for articulatory oral motor skill in community‐d…
View article: Social interaction trajectories and all-cause mortality in older adults: the Otassha study
Social interaction trajectories and all-cause mortality in older adults: the Otassha study Open
Introduction This longitudinal study aimed to identify aging trajectory patterns of social interaction by sex and determine the association between these patterns and all-cause mortality. Methods Participants were 4,065 community-dwelling …
View article: Oral frailty five‐item checklist to predict adverse health outcomes in community‐dwelling older adults: A Kashiwa cohort study
Oral frailty five‐item checklist to predict adverse health outcomes in community‐dwelling older adults: A Kashiwa cohort study Open
Aim To enable easy assessment of oral frailty; that is, an overlapping slight decline in multifaceted oral function, in any setting, we developed the oral frailty five‐item checklist (OF‐5), and examined its predictive validity for increas…