1.Effects of Daily Physical Activity on Oxidative Stress in Middle-Aged and Elderly People.
KAI TANABE ; KAZUMI MASUDA ; JUN SUGAWARA ; RYUICHI AJISAKA ; MITSUO MATSUDA ; ICHIRO KONO ; SHINYA KUNO
Japanese Journal of Physical Fitness and Sports Medicine 2002;51(3):325-336
The effect of daily physical activity on oxidative stress is still an unknown issue, especially in middle-aged and elderly individuals. In this study, we examined the relationships of oxidative stress and antioxidant capacity with daily physical activity, taking into consideration the dietary antioxidant vitamin intake (vitamin B2, C and E) of middle-aged and elderly people (66.0±7.0 years, n= 21; 10 males and 11 females, including 5 male trained runners) . Daily physical activity was measured using both a calorie counter and a questionnaire over a period of two weeks. The plasma concentration of thiobarbituric acid reactive substance ( [TBARS] ) and both oxidized and reduced glutathione concentrations ( [GSSG] and [GSH] ) in whole blood were determined in blood samples obtained at rest and immediately after two periods of acute exercise: maximal cycle ergometric exercise and steady state cycle exercise at 80% of ventilatory threshold (VT) for 30 minutes. At a given statistically controlled dietary antioxidant vitamin intake level (vitamin B2, C and E), the amount of daily physical activity was associated with neither [TBARS], [GSH] and the ratio of [GSSG] / [GSH] at rest, nor changes in levels of these substances after both exercise tests. These data suggest that the amount of daily physical activity may have little influence on oxidative stress or antioxidant capacity at rest and after acute cycle ergometric exercise. Further investigation would be necessary to clarify how much volume or intensity of physical activity induces increased oxidative stress, from the aspect of habitual physical training and nutrition.
2.THE TIME COURSE OF STRENGTH GAIN DUE TO MUSCLE RECRUITMENT AND HYPERTROPHIC FACTORS IN MIDDLE-AGED AND ELDERLY WOMEN
RYUTA KINUGASA ; SHINO KAWASHIMA ; KAZUMI MASUDA ; RYUICHI AJISAKA ; MITSUO MATSUDA ; SHINYA KUNO
Japanese Journal of Physical Fitness and Sports Medicine 2003;52(Supplement):105-118
3.Simple partial status epilepticus presenting with jargon aphasia and focal hyperperfusion demonstrated by ictal pulsed arterial spin labeling MRI
Hana MAIZULIANA ; Hitoshi IKEDA ; Toshio HIYOSHI ; Takuji NISHIDA ; Kazumi MATSUDA ; Inoue YUSHI
Neurology Asia 2018;23(1):77-83
We report a case of 74-year-old lady, presented with recurrent jargon aphasia as simple partial status epilepticus (SPSE) which lasted for a few days to a few weeks, following a brain abscess removal from the left temporo-parieto-occipital region at the age of 71 years. The ictal activity on electroencephalogram was documented at left posterior quadrant, where marked hyperperfusion was clearly visualized by perfusion image acquired with magnetic resonance imaging (MRI) using pulsed arterial spin-labeling (PASL). Jargon aphasia as a primary feature of simple partial status epilepticus is so uncommon that only few cases have been reported. Furthermore, this report suggests that MRI using PASL is a promising method not only to localize the seizure foci but also to follow up the corresponding regional cerebral blood flow changes noninvasively.