1995
DOI: 10.1097/00132586-199506000-00031
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Effect of Oral Clonidine and Intrathecal Fentanyl on Tetracaine Spinal Block

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Cited by 11 publications
(19 citation statements)
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“…This effect would possibly be related to a higher side-effect rate shown by some authors 13 , but not confirmed by this study or by other authors 3,6 . As to analgesic and motor block onset, our results are in line with other studies 12,13,29,30 , which obtained similar results with spinal clonidine. Clonidine's hemodynamic effects, usually hypotension and bradycardia, result from the activation of a 2 pre-synaptic receptors of peripheral nervous terminations, as well as from its action on brain stem and spinal cord, decreasing sympathetic outflow 1,14,33,34 .…”
Section: Discussionsupporting
confidence: 93%
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“…This effect would possibly be related to a higher side-effect rate shown by some authors 13 , but not confirmed by this study or by other authors 3,6 . As to analgesic and motor block onset, our results are in line with other studies 12,13,29,30 , which obtained similar results with spinal clonidine. Clonidine's hemodynamic effects, usually hypotension and bradycardia, result from the activation of a 2 pre-synaptic receptors of peripheral nervous terminations, as well as from its action on brain stem and spinal cord, decreasing sympathetic outflow 1,14,33,34 .…”
Section: Discussionsupporting
confidence: 93%
“…Clonidine's hemodynamic effects, usually hypotension and bradycardia, result from the activation of a 2 pre-synaptic receptors of peripheral nervous terminations, as well as from its action on brain stem and spinal cord, decreasing sympathetic outflow 1,14,33,34 . Peripheral activation of a 2 receptors, which inhibit norepinephrine's exocytosis, partially explains clonidine-induced hypotension and bradycardia [30][31][32] . Central activation of a 2 receptors in the vasomotor center decreases sympathetic outflow and circulating catecholamines, which together with the exacerbation of parasympathetic activity, induces blood pressure decrease 35,36 .…”
Section: Discussionmentioning
confidence: 99%
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