background: this research investigated the response of vascular active factors, vascular endothelial growth factor (vegf) and angiotensin-ii (at-ii) to ovarian stimulation during 24 hours in patients with polycystic ovary syndrome (pcos). materials and methods: in this clinical trial study, 52 patients with pcos and 8 control cases were stimulated with human chorionic gonadotropin (hcg) on the ...

pyridostigmine bromide (pb) is a reversible cholinesterase inhibitor. the aim of this study was to determine the effect of orally administration of single dose sustained-released tablet of pyridostigmine bromide (pbsr) on the frequency domain indices of heart rate variability (hrv). thirty-two healthy young men were participated in this study. they were divided into 2 groups; the pyridostigmine...

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abstract background: stressors in the intensive care unit (icu) impair patients’ comfort, excite the stress response, and increase oxygen consumption in their body. non‑medical interventions are recommended by several studies as a treatment to improve comfort in the icu patients. sensory stimulation is one of the most important interventions. since arterial blood oxygen saturation is an importa...

abstract introduction: interferential current is one of the most popular kinds of electrical stimulation that are used in electrotherapy. despite its clinical popularity, there have been limited studies to investigate how this stimulation protocol affects the nerve fibers. this study was aimed to develop a realistic model for the stimulation of nerve fibers by interferential currents and using ...

background: an imbalance of the cerebrovascular response during functional activation of the brain has been postulated as a factor in the pathophysiology of migraine. the purpose of this study was to determine the transcranial doppler sonography (tds) diagnostic value for the cerebral flow velocity changes in the interictal phase of classic migraine. methods: this study was carried out on 46 pa...

introduction: in this study we compared transcranial magnetic stimulation (tms) elicited motor evoked potentials (meps) in a postural (bilateral low back extension: blbe) and a respiratory (forced expiration during breath holding: febh) task.methods: using tms of the left motor cortex, simultaneous patterns of corticospinal facilitation of the contralateral erector spinae (es) and rectus abdomi...

in this paper, a control strategy is proposed for control of ankle movement on animals using intraspinal microstimulation (isms). the proposed method is based on fuzzy logic control. fuzzy logic control is a methodology of intelligent control that mimics human decision-making process. this type of control method can be very useful for the complex uncertain systems that their mathematical model ...

the technology of neural stimulation in recent years has become the focus of the research and treatment, although it has been around for many years. the potential use of stimulating the brain and nerves ranges from the spinal cord stimulation to the implantations of cochlear and bionic eyes with a large discrepancy between the clinical readiness for these various uses. electrical high-frequency...

Transcutaneous vagus nerve stimulation (tVNS) has been reported on its effect to reorganize the sensory neural network in central nervous system, similar as observations traditional invasive stimulation.