منابع مشابه
Vagal Stimulation in Dogs
We determined the effects of changing the spatial dispersion of acetylcholine release on the phase-dependent chronotropic responses to vagal stimulation in anesthetized dogs. We stimulated the vagus nerves with one brief burst of electrical pulses each cardiac cycle, and we changed the timing of the stimulus by a small, constant amount each cardiac cycle to scan the entire cycle. To vary the he...
متن کاملVagal nerve stimulation—the Norwegian experience
The purpose of this open retrospective study was to analyze the efficacy and tolerability of vagal nerve stimulation (VNS) in a Norwegian cohort of referral patients with refractory epileptic seizures. A total of 47 patients have been assessed after a mean follow-up time of 2.7 years. Mean age was 34.4 years, mean duration of epilepsy was 25.3 years. Forty-two patients (89%) had localization-re...
متن کاملHeart period variability during vagal nerve stimulation
Vagal nerve stimulation is an emerging therapy for epilepsy, yet little is known regarding the effects of this stimulation on heart period variability. We selected 10 patients (two female, eight male) who were receiving high-frequency, high-intensity left vagal nerve stimulation for intractable epilepsy. Electrocardiogram data were recorded for a 7 min baseline, 2.5 min of stimulation and a 7 m...
متن کاملEffect of vagal stimulation in acute asthma
Introduction American lung association report,there were 1.8 million emergency department visits and 3,816 deaths per year attributable to asthma [1]. according to (GINA2012) the role of complementary and alternative medicine in adult asthma treatment are limited because these approaches have been insufficiently researched and their effect are largely unproven [2]. The parasympathetic nervous s...
متن کاملVagal nerve stimulation in heart failure.
It has been estimated that the prevalence of heart failure with a reduced ejection fraction exceeds 20 million patients worldwide— about 2% of the general population in the Western world—and that the annual incidence is . 2 million patients per year. The mortality of heart failure exceeds that of many malignancies. Significant healthcare improvements have been made with regard to pharmaceutical...
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ژورنال
عنوان ژورنال: Annals of Surgery
سال: 1970
ISSN: 0003-4932
DOI: 10.1097/00000658-197003000-00005