Yohei Otaka
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View article: Characteristics of patients with heart failure and normal ejection fraction.
Characteristics of patients with heart failure and normal ejection fraction. Open
A low skeletal muscle index was significantly more common in patients with HFnEF than in those with non-HFnEF. Intensive nutrition and exercise therapy to increase skeletal muscle mass may improve the prognosis in patients with HFnEF who r…
View article: Daily Household Electricity Consumption in Community-Dwelling Older Individuals With Cognitive Impairment: Prospective Cohort Study
Daily Household Electricity Consumption in Community-Dwelling Older Individuals With Cognitive Impairment: Prospective Cohort Study Open
Background Various digital biomarkers have been explored to detect cognitive impairment in community-dwelling older individuals, among which electricity consumption (EC) data obtained from smart meters are novel and promising because they …
View article: Effect of the Ankle–Foot Orthosis Dorsiflexion Angle on Gait Kinematics in Individuals with Hemiparetic Stroke
Effect of the Ankle–Foot Orthosis Dorsiflexion Angle on Gait Kinematics in Individuals with Hemiparetic Stroke Open
Ankle-foot orthoses (AFOs) are widely used to improve gait; nonetheless, it remains unclear how specific settings, particularly the dorsiflexion angle, affect gait kinematics in individuals with stroke. This study investigated the effect o…
View article: Immediate effect of physical activity on gut motility in healthy adults
Immediate effect of physical activity on gut motility in healthy adults Open
Constipation is a prevalent condition that negatively impacts health and quality of life. Inadequate physical activity is a known contributing factor, often associated with reduced gut motility. However, the physiological mechanism linking…
View article: Robot-assisted gait training for improved gait independence in individuals with acute hemiparetic stroke: study protocol for a randomized controlled pilot trial
Robot-assisted gait training for improved gait independence in individuals with acute hemiparetic stroke: study protocol for a randomized controlled pilot trial Open
Background Robot-assisted gait training (RAGT) has proven effective in addressing gait disorders in patients with stroke. However, its efficacy in patients with acute stroke has not yet been demonstrated. This pilot study is designed to ev…
View article: A connectome-based functional magnetic resonance imaging study of visuospatial analogical reasoning in stroke
A connectome-based functional magnetic resonance imaging study of visuospatial analogical reasoning in stroke Open
Clustering analysis highlighted a distinct pattern of low scores in patients with increased parietal connectivity, suggesting that parietal connectivity changes have the potential for characterizing patients with severe dysfunction.
View article: The proportion and clinical characteristics of patients with stroke who returned to work six months after discharge from a convalescent rehabilitation ward: a descriptive study
The proportion and clinical characteristics of patients with stroke who returned to work six months after discharge from a convalescent rehabilitation ward: a descriptive study Open
Background The economic burden on individuals with stroke is a major concern, and measures to mitigate the negative effects of stroke on labor productivity are imperative. However, few studies have explored the return to work (RTW) of indi…
View article: Corrigendum: Time-course for acquiring transfer independence in patients with subacute stroke: a prospective cohort study
Corrigendum: Time-course for acquiring transfer independence in patients with subacute stroke: a prospective cohort study Open
is missing (Corrigendum) This Corrigendum relates to the following article: https://doi.org/10.2340/jrm.v56.40055
View article: Gait analysis system for assessing abnormal patterns in individuals with hemiparetic stroke during robot-assisted gait training: a criterion-related validity study in healthy adults
Gait analysis system for assessing abnormal patterns in individuals with hemiparetic stroke during robot-assisted gait training: a criterion-related validity study in healthy adults Open
Introduction Gait robots have the potential to analyze gait characteristics during gait training using mounted sensors in addition to robotic assistance of the individual’s movements. However, no systems have been proposed to analyze gait …
View article: Time course for acquiring toileting independence in patients with subacute stroke: a prospective cohort study
Time course for acquiring toileting independence in patients with subacute stroke: a prospective cohort study Open
Objective: To determine the time course of longitudinal changes in the independence level of toileting-related subtasks in post-stroke patients. Design: Single-institution, prospective cohort study. Subjects/Patients: A total of 101 consec…
View article: Validity, reliability, and user perspectives of the newly developed joint angle measurement system with inertial measurement unit sensors
Validity, reliability, and user perspectives of the newly developed joint angle measurement system with inertial measurement unit sensors Open
Purpose We aimed to evaluate the applicability of the newly developed joint angle measurement system consisting of six-axis inertial measurement unit sensors and tablet-based application that measure and store angular velocity and accelera…
View article: Survey of changes in subjective symptoms among Japanese polio survivors over 10 years
Survey of changes in subjective symptoms among Japanese polio survivors over 10 years Open
Objective: To define long-term changes in subjective symptoms among polio survivors in Japan. Design: Prospective cohort study. Patients: Sixty-five polio survivors. Methods: Surveys were conducted on subjective symptoms including muscle w…
View article: Correlations between Dysphagia Severity Scale Scores and Clinical Indices in Individuals with Multiple System Atrophy
Correlations between Dysphagia Severity Scale Scores and Clinical Indices in Individuals with Multiple System Atrophy Open
Background Dysphagia significantly impacts prognosis in individuals with multiple system atrophy (MSA). While video‐based assessments are practical, their limited availability highlights the need for a simple tool such as the Dysphagia Sev…
View article: Investigation of independence in the tasks involving the use of public transportation in patients with subacute stroke
Investigation of independence in the tasks involving the use of public transportation in patients with subacute stroke Open
Objective: To clarify the percentage of stroke patients who are independent in performing tasks involved in public transportation use and problems faced while doing so. Design: Single-institution retrospective study. Patients: A total of 2…
View article: Effects of robot-assisted gait training within 1 week after stroke onset on degree of gait independence in individuals with hemiparesis: a propensity score-matched analysis in a single-center cohort study
Effects of robot-assisted gait training within 1 week after stroke onset on degree of gait independence in individuals with hemiparesis: a propensity score-matched analysis in a single-center cohort study Open
View article: Design and implementation of a community-based rehabilitation curriculum for training multidisciplinary rehabilitation teams to serve people aging with disabilities.
Design and implementation of a community-based rehabilitation curriculum for training multidisciplinary rehabilitation teams to serve people aging with disabilities. Open
The custom-designed CBR curriculum enabled multidisciplinary teams to practice community engagement at work. Equipped with CBR knowledge and skills, teams engaged with multiple sectors of the community to enhance patients' rehabilitation p…
View article: The impact of mobilization training time during the first postoperative week on the length of hospital stay in postoperative patients admitted to an intensive care unit
The impact of mobilization training time during the first postoperative week on the length of hospital stay in postoperative patients admitted to an intensive care unit Open
Objective: To determine the impact of mobilization training time during the first postoperative week on the length of hospital stay for postoperative patients admitted to an intensive care unit. Design: A retrospective cohort study. Patien…
View article: Hemodynamic Mechanisms Underlying Orthostatic Hypotension in Stroke Survivors: A Cross-Sectional Study
Hemodynamic Mechanisms Underlying Orthostatic Hypotension in Stroke Survivors: A Cross-Sectional Study Open
Background Orthostatic hypotension is an important consideration for stroke survivors, given its association with adverse outcomes, such as cardiovascular diseases and falls. Understanding the hemodynamic mechanisms underlying orthostatic …
View article: Association of In-Hospital Cardiac Rehabilitation on Hospital-Associated Disability for Octogenarian Patients With Acute Myocardial Infarction ― An Insight From the JROAD-DPC Database ―
Association of In-Hospital Cardiac Rehabilitation on Hospital-Associated Disability for Octogenarian Patients With Acute Myocardial Infarction ― An Insight From the JROAD-DPC Database ― Open
Our results revealed that higher amounts of in-hospital CR for patients with AMI should be performed, especially in octogenarians.
View article: Moving Standard Deviation of Trunk Acceleration as a Quantification Index for Physical Activities: Validation Study
Moving Standard Deviation of Trunk Acceleration as a Quantification Index for Physical Activities: Validation Study Open
Background Step count is used to quantify activity in individuals using accelerometers. However, challenges such as difficulty in detecting steps during slow or irregular gait patterns and the inability to apply this method to wheelchair (…
View article: A comparative study of changes in H<sub>max</sub>/M<sub>max</sub> under spinning permanent magnet stimulation, repetitive peripheral magnetic stimulation, and transcutaneous electrical nerve stimulation in healthy individuals
A comparative study of changes in H<sub>max</sub>/M<sub>max</sub> under spinning permanent magnet stimulation, repetitive peripheral magnetic stimulation, and transcutaneous electrical nerve stimulation in healthy individuals Open
SPM stimulation reduced Hmax/Mmax in healthy individuals and is a potential new treatment for spasticity.
View article: Time-course for acquiring transfer independence in patients with subacute stroke: a prospective cohort study
Time-course for acquiring transfer independence in patients with subacute stroke: a prospective cohort study Open
Objective: To clarify the time-course of longitudinal changes in the independence level of subtasks composing bed–wheelchair transfer among patients with stroke. Design: Single-institution prospective cohort study. Patients: A total of 137…
View article: Learning-to-learn as a metacognitive correlate of functional outcomes after stroke: a cohort study
Learning-to-learn as a metacognitive correlate of functional outcomes after stroke: a cohort study Open
Meta-learning is part of metacognitive functions that is positively associated with functional outcomes.
View article: Depressive Symptoms Are Associated With Reduced Unsupervised Training Participation in Inpatients With Subacute Stroke: A Secondary Data Analysis Study
Depressive Symptoms Are Associated With Reduced Unsupervised Training Participation in Inpatients With Subacute Stroke: A Secondary Data Analysis Study Open
Objective: To investigate the association between depressive symptoms and time spent in unsupervised training among inpatients with subacute stroke. Design: This study was a secondary analysis of an unpublished dataset from 34 inpatients w…
View article: Moving standard deviation of trunk acceleration as a quantification index for physical activities: Validation study (Preprint)
Moving standard deviation of trunk acceleration as a quantification index for physical activities: Validation study (Preprint) Open
BACKGROUND Step count is often used to quantify activity in individuals using accelerometers. However, slow and irregular gait patterns in the elderly or patients with motor impairments can hinder accurate step detection. Alternative devi…
View article: Effects of robot-assisted gait training using the Welwalk on gait independence for individuals with hemiparetic stroke: an assessor-blinded, multicenter randomized controlled trial
Effects of robot-assisted gait training using the Welwalk on gait independence for individuals with hemiparetic stroke: an assessor-blinded, multicenter randomized controlled trial Open
Background Gait disorder remains a major challenge for individuals with stroke, affecting their quality of life and increasing the risk of secondary complications. Robot-assisted gait training (RAGT) has emerged as a promising approach for…
View article: Characteristics of Japanese patients with systemic sclerosis with dysphagia: a single-center study
Characteristics of Japanese patients with systemic sclerosis with dysphagia: a single-center study Open
To determine the prevalence of dysphagia and examine the association among dysphagia, components of gastrointestinal (GI) involvement and clinical features. Fifty consecutive patients with systemic sclerosis (SSc) examined by videofluorosc…
View article: Prediction of Oral Intake at Discharge with Early Assessment of Swallowing Function within 24 h after Admission: A Retrospective Cohort Study
Prediction of Oral Intake at Discharge with Early Assessment of Swallowing Function within 24 h after Admission: A Retrospective Cohort Study Open
Dysphagia is one of the most common symptoms of stroke and can lead to other complications such as pneumonia, dehydration, and malnutrition. This retrospective cohort study evaluated the predictive value of a comprehensive swallowing asses…
View article: Kinematic analysis of preparation for transferring from wheelchair to bed
Kinematic analysis of preparation for transferring from wheelchair to bed Open
This study aimed to clarify the kinematics, particularly of the shoulder and hip joints, during preparation for manual wheelchair-to-bed transfer (i.e. when flipping up the arm and foot supports). This cross-sectional study included 32 abl…
View article: Highlighting Unseen Activity Through 48-Hour Continuous Measurement in Subacute Stroke Rehabilitation: Preliminary Cohort Study
Highlighting Unseen Activity Through 48-Hour Continuous Measurement in Subacute Stroke Rehabilitation: Preliminary Cohort Study Open
Background Motor impairments not only lead to a significant reduction in patient activity levels but also trigger a further deterioration in motor function due to deconditioning, which is an issue that is particularly pronounced during hos…