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It is widely accepted that most general anaesthetic agents depress the central nervous system (CNS) by potentiation or activation of the GABAA receptor-mediated Cl– conductance. These agents also reportedly inhibit voltage-sensitive Ca2+ channels (VSCCs), thus depressing excitatory transmission in the CNS. However, in this regard there are few functional(More)
Massage therapy promotes psychosocial relaxation, reduces stress and has been reported to improve the immune function. As such, massage therapy is currently used in palliative care for the relief of anxiety and pain. Although psychosocial status has been evaluated using subjective psychological tests, such as State-Trait Anxiety Inventory (STAI), subjective(More)
Measurement of stress hormones is a common objective method for assessment of mental stress. However, the stress of blood sampling alone may also increase stress hormone levels. In the present study, we sampled salivary biomarkers from healthy volunteers under noninvasive conditions and determined their efficacy to assess mental stress. Specifically, we(More)
Neurotropin is a nonprotein extract isolated from inflamed skin of rabbits inoculated with vaccinia virus, and used for treatment of neuropathic pain. In the present study, we have determined whether neurotropin could exert antinociceptive action using the central neuropathic pain model that we recently established. Rats were randomly allocated to 3 groups:(More)
A rectus sheath block can provide postoperative analgesia for midline incisions. However, information regarding the pharmacokinetics of local anesthetics used in this block is lacking. In this study, we detail the time course of ropivacaine concentrations after this block. Thirty-nine patients undergoing elective lower abdominal surgery were assigned to 3(More)
We report two patients with rare hepatic angiomyolipoma and demonstrate the special tumour haemodynamics with contrast-enhanced harmonic ultrasound. This reliably identified the efferent vessel of the hepatic angiomyolipoma to be the hepatic vein in both cases, which corresponded well with that seen on conventional angiography and CT angiography. This(More)
Urotensin II (UII) has been reported to modulate rapid eye movement (REM) sleep via activation of brainstem cholinergic neurons and REM sleep is regulated by locus coerleus (LC)-cerebrocortical noradrenergic neurons. We hypothesized that UII may activate LC-cerebrocortical noradrenergic neurons. To test this hypothesis, we have examined the effects of UII(More)
UNLABELLED We previously reported that H2-antagonist medication given for longer than 4 wk may produce complete tolerance to preanesthetic H2 antagonist therapy. In this study, we evaluated the efficacy of preanesthetic proton pump inhibitor (PPI; oral rabeprazol) use in patients receiving regular H2-antagonist (oral famotidine) therapy for more than 4 wk.(More)
BACKGROUND Orexins (OXs) regulate wakefulness, and a lack of OX Type-I receptors cause narcolepsy. OX selectively increases norepinephrine (NE) release from rat cerebral cortical slices, and brain noradrenergic neurons are involved in the sleep-wakefulness cycle. Ketamine increases NE release from the rat cerebral cortex. We hypothesized that OX would(More)
The prevalence of hypertension in middle age correlates with impaired autonomic regulation and as norepinephrinergic neurons decline with increasing age, and this reduction may contribute to this impairment. Central hypocretin-activated norepinephrinergic neurons contribute to sympathetic regulation. In the present study we compared sympathoadrenal effects(More)