Takakazu Oka
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View article: Effects of recumbent isometric yoga on the daily functioning level of patients with myalgic encephalomyelitis/chronic fatigue syndrome: a randomized, controlled trial
Effects of recumbent isometric yoga on the daily functioning level of patients with myalgic encephalomyelitis/chronic fatigue syndrome: a randomized, controlled trial Open
Background Although seated isometric yoga has been shown to reduce the fatigue and pain of patients with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS), some patients who are for the most part bedridden have difficulty practic…
View article: Effects of recumbent isometric yoga on the orthostatic cardiovascular response of patients with myalgic encephalomyelitis/chronic fatigue syndrome
Effects of recumbent isometric yoga on the orthostatic cardiovascular response of patients with myalgic encephalomyelitis/chronic fatigue syndrome Open
Background Our previous studies demonstrated that the regular practice of recumbent isometric yoga reduced the fatigue of patients with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). Some patients with ME/CFS have postural or…
View article: Disabling symptoms associated with increased axillary temperature in patients with functional hyperthermia
Disabling symptoms associated with increased axillary temperature in patients with functional hyperthermia Open
View article: Anxiety, depression, and brain overwork in the general population of Mongolia
Anxiety, depression, and brain overwork in the general population of Mongolia Open
In Mongolia, there is limited data on the prevalence and correlates of common mental health conditions. This study addresses this data gap by exploring anxiety, depression, and brain overwork. The aim of this study was to determine normati…
View article: Psychometric properties of the Mongolian version of shitsu-taikan-sho (alexisomia) in young adults
Psychometric properties of the Mongolian version of shitsu-taikan-sho (alexisomia) in young adults Open
Objective: Alexisomia is characterized by difficulty in identifying and describing bodily feelings. Shitsu-taikan-sho scale (STSS) is a self-report tool that assesses alexisomia. This study aimed to validate the Mongolian version of STSS i…
View article: Functional hyperthermia and comorbid psychiatric disorders
Functional hyperthermia and comorbid psychiatric disorders Open
View article: A patient who recovered from post-COVID myalgic encephalomyelitis/chronic fatigue syndrome: a case report
A patient who recovered from post-COVID myalgic encephalomyelitis/chronic fatigue syndrome: a case report Open
Background Some patients infected with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) complain of persistent fatigue, dyspnea, pain, and cognitive dysfunction. These symptoms are often described as “long COVID”. Whether a…
View article: Clinical effects of wasabi extract containing 6-MSITC on myalgic encephalomyelitis/chronic fatigue syndrome: an open-label trial
Clinical effects of wasabi extract containing 6-MSITC on myalgic encephalomyelitis/chronic fatigue syndrome: an open-label trial Open
View article: Effects of practicing yoga on alexisomia: an open-label trial
Effects of practicing yoga on alexisomia: an open-label trial Open
View article: The epidemiology series of brain-related disorders in Mongolia: nationwide registry-based epidemiological study on CNS tumours in Mongolia, 2015–2019
The epidemiology series of brain-related disorders in Mongolia: nationwide registry-based epidemiological study on CNS tumours in Mongolia, 2015–2019 Open
No epidemiological study on central nervous system tumours is available for Mongolia. The aim of this study was to determine the incidence, mortality and survival of people diagnosed with central nervous system tumours in Mongolia. It repo…
View article: Health-related benefits and adverse events associated with yoga classes among participants that are healthy, in poor health, or with chronic diseases
Health-related benefits and adverse events associated with yoga classes among participants that are healthy, in poor health, or with chronic diseases Open
Background Our previous study demonstrated that 42% of yoga class participants in Japan had chronic diseases requiring medication. This raises the question as to whether those with chronic diseases would benefit from practicing yoga or if …
View article: Health-related benefits and adverse events associated with yoga classes among subjects that are healthy, in poor health, or with chronic diseases.
Health-related benefits and adverse events associated with yoga classes among subjects that are healthy, in poor health, or with chronic diseases. Open
Background: Our previous study demonstrated that 42% of yoga class participants in Japan had chronic diseases that required medication. This raises the question as to whether those with chronic diseases could benefit from practicing yoga o…
View article: Shitsu-taikan-sho (alexisomia): a historical review and its clinical importance
Shitsu-taikan-sho (alexisomia): a historical review and its clinical importance Open
View article: Changes in circulating microRNA after recumbent isometric yoga practice by patients with myalgic encephalomyelitis/chronic fatigue syndrome: an explorative pilot study
Changes in circulating microRNA after recumbent isometric yoga practice by patients with myalgic encephalomyelitis/chronic fatigue syndrome: an explorative pilot study Open
View article: The longitudinal effects of seated isometric yoga on blood biomarkers, autonomic functions, and psychological parameters of patients with chronic fatigue syndrome: a pilot study
The longitudinal effects of seated isometric yoga on blood biomarkers, autonomic functions, and psychological parameters of patients with chronic fatigue syndrome: a pilot study Open
View article: Changes in fatigue, autonomic functions, and blood biomarkers due to sitting isometric yoga in patients with chronic fatigue syndrome
Changes in fatigue, autonomic functions, and blood biomarkers due to sitting isometric yoga in patients with chronic fatigue syndrome Open
View article: The histaminergic system is involved in psychological stress-induced hyperthermia in rats
The histaminergic system is involved in psychological stress-induced hyperthermia in rats Open
The histaminergic system modulates numerous physiological functions such as wakefulness, circadian rhythm, feeding, and thermoregulation. However, it is not yet known if this system is also involved in psychological stress-induced hyperthe…
View article: Development of a recumbent isometric yoga program for patients with severe chronic fatigue syndrome/myalgic encephalomyelitis: A pilot study to assess feasibility and efficacy
Development of a recumbent isometric yoga program for patients with severe chronic fatigue syndrome/myalgic encephalomyelitis: A pilot study to assess feasibility and efficacy Open
View article: Psychogenic fever: how psychological stress affects body temperature in the clinical population
Psychogenic fever: how psychological stress affects body temperature in the clinical population Open
Psychogenic fever is a stress-related, psychosomatic disease especially seen in young women. Some patients develop extremely high core body temperature (Tc) (up to 41°C) when they are exposed to emotional events, whereas others show persis…
View article: Prior chronic stress induces persistent polyI:C-induced allodynia and depressive-like behavior in rats: Possible involvement of glucocorticoids and microglia
Prior chronic stress induces persistent polyI:C-induced allodynia and depressive-like behavior in rats: Possible involvement of glucocorticoids and microglia Open
View article: A large-scale survey of adverse events experienced in yoga classes
A large-scale survey of adverse events experienced in yoga classes Open
The results of this large-scale survey demonstrated that approximately 30% of yoga class attendees had experienced some type of adverse event. Although the majority had mild symptoms, the survey results indicated that attendees with chroni…