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去甲肾上腺素 (ｎｏｒｅｐｉｎｅｐｈｒｉｎｅ ,ＮＥ)为传统的缩血管物质 ,把ＮＥ注射到血管周围可使血管产生强烈的痉挛。由新鲜血液诱发的脑血管痉挛可被ＮＥ的拮抗剂部分阻断 ,因此 ,不少学者提出ＮＥ等单胺类递质可能是蛛网膜下腔出血(ｓｕｂａｒａｃｈｎｏｉｄｈｅｍｏｒ?
Norepinephrine (NE) is a traditional vasoconstrictor substance. Injection of NE into the blood vessels can produce strong spasms in the blood vessels. Cerebral vasospasm induced by fresh blood can be partially blocked by antagonists of NE, so many scholars have suggested that monoamine neurotransmitters such as NE may be subarachnoidhemor?