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The effect of three endothelin (ET) agonists [ET-1, ET-3, and sarafotoxin (STX6C)] on the nerve stimulation-induced release of norepinephrine (NE) and neuropeptide Y-immunoreactive compounds (NPY-ir) from the perfused mesenteric arterial bed of the rat as well as the effect on perfusion pressure were examined. ET-1, ET-3, and STX6C all produced a(More)
Endothelin and its receptors have been identified in the spinal cord. Intrathecal administration of endothelin-3 produces hypotension in anesthetized rats. The present study was designed to identify whether endothelin-3 is released upon changes in sympathetic nervous activity. Endothelin-3-like immunoreactivity in spinal superfusates was directly correlated(More)
1. A variety of prostanoids were examined for their ability to alter the periarterial nerve stimulation-induced release of noradrenaline (NA) and neuropeptide Y immunoreactive compounds (NPY-ir) from the perfused mesenteric arterial bed of the rat. 2. Periarterial nerve stimulation (16 Hz) increased the overflow of NA, NPY-ir and perfusion pressure. 3. The(More)
BACKGROUND Opioid analgesics are frequently prescribed for chronic pain. One expected consequence of long-term opioid use is the development of physical dependence. Although previous resting state functional magnetic resonance imaging (fMRI) studies have demonstrated signal changes in reward-associated areas following morphine administration, the effects of(More)
BACKGROUND Despite the use of web-based information resources by both anesthesia departments and applicants, little research has been done to assess these resources and determine whether they are meeting applicant needs. Evidence is needed to guide anesthesia informatics research in developing high-quality anesthesia residency program Web sites (ARPWs). (More)
The pressor response to cocaine is a consequence of mesenteric vasoconstriction and hindquarters vasodilation as a result of activation of alpha 1- and beta-adrenergic receptors, respectively. In the present study, evidence for additional, nonadrenergic effects of cocaine-induced changes in regional blood flow was obtained using pulsed Doppler flowmetry in(More)
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