期刊
NEURAL REGENERATION RESEARCH
卷 17, 期 7, 页码 1446-1453出版社
WOLTERS KLUWER MEDKNOW PUBLICATIONS
DOI: 10.4103/1673-5374.327331
关键词
arginine; brain injuries; traumatic; cerebral hemorrhage; dimethylarginine; nitric oxide; stroke; subarachnoid hemorrhage
This review discusses the role of L-arginine metabolism in patients with acute and critical neurological disorders, highlighting its importance in neuro-intensive care treatment.
Nitric oxide is an important mediator of vascular autoregulation and is involved in pathophysiological changes after acute neurological disorders. Nitric oxide is generated by nitric oxide synthases from the amino acid L-arginine. L-arginine can also serve as a substrate for arginases or lead to the generation of dimethylarginines, asymmetric dimethylarginine, and symmetric dimethylarginine, by methylation. Asymmetric dimethylarginine is an endogenous inhibitor of nitric oxide synthase and can lead to endothelial dysfunction. This review discusses the role of L-arginine metabolism in patients suffering from acute and critical neurological disorders often requiring neuro-intensive care treatment. Conditions addressed in this review include intracerebral hemorrhage, aneurysmal subarachnoid hemorrhage, and traumatic brain injury. Recent therapeutic advances in the field are described including current randomized controlled trials for traumatic brain injuries and hemorrhagic stroke.
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