Abstract
Increasing evidence implicates endothelin in the pathophysiological development of cerebral vasospasm. This review summarizes background topics such as the structures and biosynthesis of endothelins, the types of endothelin and their receptors, as well as their biological effects. Basic science and clinical observations supportive of the role of endothelins in the spasm associated with stroke and subarachnoid hemorrhage are presented. Similar basic science and clinical observations are presented regarding the role of endothelins in impaired cerebral hemodynamics following traumatic brain injury, cryogenic cortical lesion injury and fluid percussion brain injury. The role of age in the contribution of endothelin to impaired cerebral hemodynamics following fluid percussion brain injury is discussed. Finally, potential mechanisms for endothelin contributions to vasospasm following fluid percussion brain injury such as impaired K+ channel function are described.
Keywords: cerebral circulation, newborn, k+ channels, endothelin, oxygen free radicals, brain injury
Current Pharmaceutical Design
Title: Endothelins and the Role of Endothelin Antagonists in the Management of Posttraumatic Vasospasm
Volume: 10 Issue: 18
Author(s): W. M. Armstead
Affiliation:
Keywords: cerebral circulation, newborn, k+ channels, endothelin, oxygen free radicals, brain injury
Abstract: Increasing evidence implicates endothelin in the pathophysiological development of cerebral vasospasm. This review summarizes background topics such as the structures and biosynthesis of endothelins, the types of endothelin and their receptors, as well as their biological effects. Basic science and clinical observations supportive of the role of endothelins in the spasm associated with stroke and subarachnoid hemorrhage are presented. Similar basic science and clinical observations are presented regarding the role of endothelins in impaired cerebral hemodynamics following traumatic brain injury, cryogenic cortical lesion injury and fluid percussion brain injury. The role of age in the contribution of endothelin to impaired cerebral hemodynamics following fluid percussion brain injury is discussed. Finally, potential mechanisms for endothelin contributions to vasospasm following fluid percussion brain injury such as impaired K+ channel function are described.
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Cite this article as:
Armstead M. W., Endothelins and the Role of Endothelin Antagonists in the Management of Posttraumatic Vasospasm, Current Pharmaceutical Design 2004; 10 (18) . https://dx.doi.org/10.2174/1381612043384178
DOI https://dx.doi.org/10.2174/1381612043384178 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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